diff --git a/static/css/theme-toggle.css b/static/css/theme-toggle.css
new file mode 100644
index 0000000..b51f91f
--- /dev/null
+++ b/static/css/theme-toggle.css
@@ -0,0 +1,146 @@
+/* Responsive Theme Toggle Button Styles */
+/* Common styles for the theme toggle button regardless of device */
+#themeToggle,
+.theme-toggle-btn {
+    position: fixed;
+    z-index: 1000;
+    background: transparent;
+    border-width: 1px;
+    border-style: solid;
+    font-family: 'VT323', monospace;
+    transition: all 0.3s ease;
+    cursor: pointer;
+    white-space: nowrap;
+    text-transform: uppercase;
+    outline: none;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+/* Default positioning and styling for desktop */
+@media screen and (min-width: 768px) {
+    #themeToggle,
+    .theme-toggle-btn {
+        top: 15px;
+        left: 15px;
+        padding: 6px 12px;
+        font-size: 14px;
+        border-radius: 3px;
+        letter-spacing: 0.5px;
+    }
+
+        /* Add theme icon for desktop view */
+        #themeToggle:before,
+        .theme-toggle-btn:before {
+            content: "☀/☾";
+            margin-right: 5px;
+            font-size: 14px;
+        }
+
+        /* Hover effects for desktop */
+        #themeToggle:hover,
+        .theme-toggle-btn:hover {
+            transform: translateY(-2px);
+            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
+        }
+}
+
+/* Mobile-specific styling - MODIFIED to keep left positioning */
+@media screen and (max-width: 767px) {
+    #themeToggle,
+    .theme-toggle-btn {
+        top: 60px;
+        left: 10px; /* Keep on left side */
+        padding: 8px;
+        font-size: 12px;
+        border-radius: 50%;
+        width: 40px;
+        height: 40px;
+    }
+
+        /* Use just icon for mobile to save space */
+        #themeToggle:before,
+        .theme-toggle-btn:before {
+            content: "☀/☾";
+            margin-right: 0;
+            font-size: 16px;
+        }
+
+        /* Hide text on mobile */
+        #themeToggle span,
+        .theme-toggle-btn span {
+            display: none;
+        }
+
+    /* Adjust position when in portrait mode on very small screens */
+    @media screen and (max-height: 500px) {
+        #themeToggle,
+        .theme-toggle-btn {
+            top: 5px;
+            left: 5px; /* Keep on left side */
+            width: 35px;
+            height: 35px;
+            font-size: 10px;
+        }
+    }
+}
+
+/* The rest of the CSS remains unchanged */
+/* Active state for the button */
+#themeToggle:active,
+.theme-toggle-btn:active {
+    transform: translateY(1px);
+    box-shadow: 0 0 2px rgba(0, 0, 0, 0.3);
+}
+
+/* Bitcoin theme specific styling (orange) */
+body:not(.deepsea-theme) #themeToggle,
+body:not(.deepsea-theme) .theme-toggle-btn {
+    color: #f2a900;
+    border-color: #f2a900;
+}
+
+    body:not(.deepsea-theme) #themeToggle:hover,
+    body:not(.deepsea-theme) .theme-toggle-btn:hover {
+        background-color: rgba(242, 169, 0, 0.1);
+        box-shadow: 0 4px 8px rgba(242, 169, 0, 0.3);
+    }
+
+/* DeepSea theme specific styling (blue) */
+body.deepsea-theme #themeToggle,
+body.deepsea-theme .theme-toggle-btn {
+    color: #0088cc;
+    border-color: #0088cc;
+}
+
+    body.deepsea-theme #themeToggle:hover,
+    body.deepsea-theme .theme-toggle-btn:hover {
+        background-color: rgba(0, 136, 204, 0.1);
+        box-shadow: 0 4px 8px rgba(0, 136, 204, 0.3);
+    }
+
+/* Transition effect for smoother theme switching */
+#themeToggle,
+.theme-toggle-btn,
+#themeToggle:before,
+.theme-toggle-btn:before {
+    transition: all 0.3s ease;
+}
+
+    /* Accessibility improvements */
+    #themeToggle:focus,
+    .theme-toggle-btn:focus {
+        box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.3);
+        outline: none;
+    }
+
+body:not(.deepsea-theme) #themeToggle:focus,
+body:not(.deepsea-theme) .theme-toggle-btn:focus {
+    box-shadow: 0 0 0 3px rgba(242, 169, 0, 0.3);
+}
+
+body.deepsea-theme #themeToggle:focus,
+body.deepsea-theme .theme-toggle-btn:focus {
+    box-shadow: 0 0 0 3px rgba(0, 136, 204, 0.3);
+}
diff --git a/static/js/BitcoinProgressBar.js b/static/js/BitcoinProgressBar.js
index 7b72774..d4ca81a 100644
--- a/static/js/BitcoinProgressBar.js
+++ b/static/js/BitcoinProgressBar.js
@@ -2,11 +2,14 @@
  * BitcoinMinuteRefresh.js - Simplified Bitcoin-themed floating uptime monitor
  * 
  * This module creates a Bitcoin-themed terminal that shows server uptime.
+ * Now includes DeepSea theme support.
  */
 
 const BitcoinMinuteRefresh = (function () {
     // Constants
     const STORAGE_KEY = 'bitcoin_last_refresh_time'; // For cross-page sync
+    const BITCOIN_COLOR = '#f7931a';
+    const DEEPSEA_COLOR = '#0088cc';
 
     // Private variables
     let terminalElement = null;
@@ -16,6 +19,117 @@ const BitcoinMinuteRefresh = (function () {
     let uptimeInterval = null;
     let isInitialized = false;
     let refreshCallback = null;
+    let currentThemeColor = BITCOIN_COLOR; // Default Bitcoin color
+
+    /**
+     * Apply the current theme color 
+     */
+    function applyThemeColor() {
+        // Check if theme toggle is set to DeepSea
+        const isDeepSeaTheme = localStorage.getItem('useDeepSeaTheme') === 'true';
+        currentThemeColor = isDeepSeaTheme ? DEEPSEA_COLOR : BITCOIN_COLOR;
+
+        // Don't try to update DOM elements if they don't exist yet
+        if (!terminalElement) return;
+
+        // Update terminal colors
+        if (isDeepSeaTheme) {
+            terminalElement.style.borderColor = DEEPSEA_COLOR;
+            terminalElement.style.color = DEEPSEA_COLOR;
+            terminalElement.style.boxShadow = `0 0 5px rgba(0, 136, 204, 0.3)`;
+
+            // Update header border
+            const headerElement = terminalElement.querySelector('.terminal-header');
+            if (headerElement) {
+                headerElement.style.borderColor = DEEPSEA_COLOR;
+            }
+
+            // Update terminal title
+            const titleElement = terminalElement.querySelector('.terminal-title');
+            if (titleElement) {
+                titleElement.style.color = DEEPSEA_COLOR;
+                titleElement.style.textShadow = '0 0 5px rgba(0, 136, 204, 0.8)';
+            }
+
+            // Update uptime timer border
+            const uptimeTimer = terminalElement.querySelector('.uptime-timer');
+            if (uptimeTimer) {
+                uptimeTimer.style.borderColor = `rgba(0, 136, 204, 0.5)`;
+            }
+
+            // Update uptime separators
+            const separators = terminalElement.querySelectorAll('.uptime-separator');
+            separators.forEach(sep => {
+                sep.style.textShadow = '0 0 8px rgba(0, 136, 204, 0.8)';
+            });
+
+            // Update uptime title
+            const uptimeTitle = terminalElement.querySelector('.uptime-title');
+            if (uptimeTitle) {
+                uptimeTitle.style.textShadow = '0 0 5px rgba(0, 136, 204, 0.8)';
+            }
+
+            // Update minimized view
+            const miniLabel = terminalElement.querySelector('.mini-uptime-label');
+            if (miniLabel) {
+                miniLabel.style.color = DEEPSEA_COLOR;
+            }
+        } else {
+            // Reset to Bitcoin theme
+            terminalElement.style.borderColor = BITCOIN_COLOR;
+            terminalElement.style.color = BITCOIN_COLOR;
+            terminalElement.style.boxShadow = `0 0 5px rgba(247, 147, 26, 0.3)`;
+
+            // Update header border
+            const headerElement = terminalElement.querySelector('.terminal-header');
+            if (headerElement) {
+                headerElement.style.borderColor = BITCOIN_COLOR;
+            }
+
+            // Update terminal title
+            const titleElement = terminalElement.querySelector('.terminal-title');
+            if (titleElement) {
+                titleElement.style.color = BITCOIN_COLOR;
+                titleElement.style.textShadow = '0 0 5px rgba(247, 147, 26, 0.8)';
+            }
+
+            // Update uptime timer border
+            const uptimeTimer = terminalElement.querySelector('.uptime-timer');
+            if (uptimeTimer) {
+                uptimeTimer.style.borderColor = `rgba(247, 147, 26, 0.5)`;
+            }
+
+            // Update uptime separators
+            const separators = terminalElement.querySelectorAll('.uptime-separator');
+            separators.forEach(sep => {
+                sep.style.textShadow = '0 0 8px rgba(247, 147, 26, 0.8)';
+            });
+
+            // Update uptime title
+            const uptimeTitle = terminalElement.querySelector('.uptime-title');
+            if (uptimeTitle) {
+                uptimeTitle.style.textShadow = '0 0 5px rgba(247, 147, 26, 0.8)';
+            }
+
+            // Update minimized view
+            const miniLabel = terminalElement.querySelector('.mini-uptime-label');
+            if (miniLabel) {
+                miniLabel.style.color = BITCOIN_COLOR;
+            }
+        }
+    }
+
+    /**
+     * Listen for theme changes
+     */
+    function setupThemeChangeListener() {
+        // Listen for theme change events from localStorage
+        window.addEventListener('storage', function (e) {
+            if (e.key === 'useDeepSeaTheme') {
+                applyThemeColor();
+            }
+        });
+    }
 
     /**
      * Add dragging functionality to the terminal
@@ -200,6 +314,7 @@ const BitcoinMinuteRefresh = (function () {
      * Add CSS styles for the terminal
      */
     function addStyles() {
+        // Use the currentThemeColor variable instead of hardcoded colors
         const styleElement = document.createElement('style');
         styleElement.id = 'bitcoin-terminal-styles';
         styleElement.textContent = `
@@ -210,14 +325,14 @@ const BitcoinMinuteRefresh = (function () {
         right: 20px;
         width: 230px;
         background-color: #000000;
-        border: 1px solid #f7931a;
-        color: #f7931a;
+        border: 1px solid ${currentThemeColor};
+        color: ${currentThemeColor};
         font-family: 'VT323', monospace;
         z-index: 9999;
         overflow: hidden;
         padding: 8px;
         transition: all 0.3s ease;
-        box-shadow: 0 0 5px rgba(247, 147, 26, 0.3);
+        box-shadow: 0 0 5px rgba(${currentThemeColor === DEEPSEA_COLOR ? '0, 136, 204' : '247, 147, 26'}, 0.3);
       }
       
       /* Terminal Header */
@@ -616,6 +731,9 @@ const BitcoinMinuteRefresh = (function () {
         // Store the refresh callback
         refreshCallback = refreshFunc;
 
+        // Get current theme status
+        applyThemeColor();
+
         // Create the terminal element if it doesn't exist
         if (!document.getElementById('bitcoin-terminal')) {
             createTerminalElement();
@@ -623,8 +741,14 @@ const BitcoinMinuteRefresh = (function () {
             // Get references to existing elements
             terminalElement = document.getElementById('bitcoin-terminal');
             uptimeElement = document.getElementById('uptime-timer');
+
+            // Apply theme to existing element
+            applyThemeColor();
         }
 
+        // Set up listener for theme changes
+        setupThemeChangeListener();
+
         // Try to get stored server time information
         try {
             serverTimeOffset = parseFloat(localStorage.getItem('serverTimeOffset') || '0');
@@ -766,11 +890,12 @@ const BitcoinMinuteRefresh = (function () {
         updateServerTime: updateServerTime,
         toggleTerminal: toggleTerminal,
         hideTerminal: hideTerminal,
-        showTerminal: showTerminal
+        showTerminal: showTerminal,
+        updateTheme: applyThemeColor // <-- Add this new method
     };
 })();
 
-// Auto-initialize when document is ready if a refresh function is available in the global scope
+// Auto-initialize when document is ready
 document.addEventListener('DOMContentLoaded', function () {
     // Check if manualRefresh function exists in global scope
     if (typeof window.manualRefresh === 'function') {
@@ -778,4 +903,7 @@ document.addEventListener('DOMContentLoaded', function () {
     } else {
         console.log("BitcoinMinuteRefresh: No refresh function found, will need to be initialized manually");
     }
+
+    // Update theme based on current setting
+    setTimeout(() => BitcoinMinuteRefresh.updateTheme(), 100);
 });
diff --git a/static/js/main.js b/static/js/main.js
index e1fc580..2e6c14d 100644
--- a/static/js/main.js
+++ b/static/js/main.js
@@ -1,4 +1,7 @@
-"use strict";
+// Add this flag at the top of your file, outside the function
+let isApplyingTheme = false;
+
+"use strict";
 
 /**
  * ArrowIndicator - A clean implementation for managing metric value change indicators
@@ -176,6 +179,11 @@ class ArrowIndicator {
             });
         }
 
+        // Current theme affects arrow colors
+        const theme = getCurrentTheme();
+        const upArrowColor = THEME.SHARED.GREEN;
+        const downArrowColor = THEME.SHARED.RED;
+
         // Get normalized values and compare with previous metrics
         for (const key of metricKeys) {
             if (newMetrics[key] === undefined) continue;
@@ -714,15 +722,16 @@ function handleVisibilityChange() {
 
 // Helper function to show connection issues to the user
 function showConnectionIssue(message) {
+    const theme = getCurrentTheme();
     let $connectionStatus = $("#connectionStatus");
     if (!$connectionStatus.length) {
-        $("body").append('<div id="connectionStatus" style="position: fixed; top: 10px; right: 10px; background: rgba(255,0,0,0.7); color: white; padding: 10px; border-radius: 5px; z-index: 9999;"></div>');
+        $("body").append(`<div id="connectionStatus" style="position: fixed; top: 10px; right: 10px; background: rgba(255,0,0,0.7); color: white; padding: 10px; border-radius: 5px; z-index: 9999;"></div>`);
         $connectionStatus = $("#connectionStatus");
     }
     $connectionStatus.html(`<i class="fas fa-exclamation-triangle"></i> ${message}`).show();
 
-    // Show manual refresh button when there are connection issues
-    $("#refreshButton").show();
+    // Show manual refresh button with theme color
+    $("#refreshButton").css('background-color', theme.PRIMARY).show();
 }
 
 // Helper function to hide connection issue message
@@ -766,7 +775,7 @@ function manualRefresh() {
     });
 }
 
-// Initialize Chart.js with Unit Normalization
+// Modify the initializeChart function to use blue colors for the chart
 function initializeChart() {
     try {
         const ctx = document.getElementById('trendGraph').getContext('2d');
@@ -780,10 +789,12 @@ function initializeChart() {
             return null;
         }
 
+        // Get the current theme colors
+        const theme = getCurrentTheme();
+
         // Check if Chart.js plugin is available
         const hasAnnotationPlugin = window['chartjs-plugin-annotation'] !== undefined;
 
-        // Inside the initializeChart function, modify the dataset configuration:
         return new Chart(ctx, {
             type: 'line',
             data: {
@@ -796,29 +807,29 @@ function initializeChart() {
                         const chart = context.chart;
                         const { ctx, chartArea } = chart;
                         if (!chartArea) {
-                            return '#f7931a';
+                            return theme.PRIMARY;
                         }
                         // Create gradient for line
                         const gradient = ctx.createLinearGradient(0, 0, 0, chartArea.bottom);
-                        gradient.addColorStop(0, '#ffa64d');  // Lighter orange
-                        gradient.addColorStop(1, '#f7931a');  // Bitcoin orange
+                        gradient.addColorStop(0, theme.CHART.GRADIENT_START);
+                        gradient.addColorStop(1, theme.CHART.GRADIENT_END);
                         return gradient;
                     },
                     backgroundColor: function (context) {
                         const chart = context.chart;
                         const { ctx, chartArea } = chart;
                         if (!chartArea) {
-                            return 'rgba(247,147,26,0.1)';
+                            return `rgba(${theme.PRIMARY_RGB}, 0.1)`;
                         }
                         // Create gradient for fill
                         const gradient = ctx.createLinearGradient(0, 0, 0, chartArea.bottom);
-                        gradient.addColorStop(0, 'rgba(255, 166, 77, 0.3)');  // Lighter orange with transparency
-                        gradient.addColorStop(0.5, 'rgba(247, 147, 26, 0.2)'); // Bitcoin orange with medium transparency
-                        gradient.addColorStop(1, 'rgba(247, 147, 26, 0.05)');  // Bitcoin orange with high transparency
+                        gradient.addColorStop(0, `rgba(${theme.PRIMARY_RGB}, 0.3)`);
+                        gradient.addColorStop(0.5, `rgba(${theme.PRIMARY_RGB}, 0.2)`);
+                        gradient.addColorStop(1, `rgba(${theme.PRIMARY_RGB}, 0.05)`);
                         return gradient;
                     },
                     fill: true,
-                    tension: 0.3,  // Slightly increase tension for smoother curves
+                    tension: 0.3,
                 }]
             },
             options: {
@@ -848,10 +859,10 @@ function initializeChart() {
                     y: {
                         title: {
                             display: true,
-                            text: 'HASHRATE (TH/S)', // Already uppercase
-                            color: '#f7931a', // Bitcoin orange
+                            text: 'HASHRATE (TH/S)',
+                            color: theme.PRIMARY,
                             font: {
-                                family: "'VT323', monospace", // Terminal font
+                                family: "'VT323', monospace",
                                 size: 16,
                                 weight: 'bold'
                             }
@@ -905,7 +916,7 @@ function initializeChart() {
                 plugins: {
                     tooltip: {
                         backgroundColor: 'rgba(0, 0, 0, 0.8)',
-                        titleColor: '#f7931a',
+                        titleColor: theme.PRIMARY,
                         bodyColor: '#FFFFFF',
                         titleFont: {
                             family: "'VT323', monospace",
@@ -937,10 +948,10 @@ function initializeChart() {
                                 type: 'line',
                                 yMin: 0,
                                 yMax: 0,
-                                borderColor: '#ffd700', // Gold color
+                                borderColor: theme.CHART.ANNOTATION,
                                 borderWidth: 3,
                                 borderDash: [8, 4],
-                                shadowColor: 'rgba(255, 215, 0, 0.5)',
+                                shadowColor: `rgba(${theme.PRIMARY_RGB}, 0.5)`,
                                 shadowBlur: 8,
                                 shadowOffsetX: 0,
                                 shadowOffsetY: 0,
@@ -948,7 +959,7 @@ function initializeChart() {
                                     enabled: true,
                                     content: '24HR AVG: 0 TH/S',
                                     backgroundColor: 'rgba(0,0,0,0.8)',
-                                    color: '#ffd700',
+                                    color: theme.CHART.ANNOTATION,
                                     font: {
                                         family: "'VT323', monospace",
                                         size: 16,
@@ -1237,20 +1248,21 @@ function updateChartWithNormalizedData(chart, data) {
             chart.data.datasets[0].data = [normalizedValue];
         }
 
-        // If using 3hr average due to low hashrate device detection, add visual indicator
+        // In updateChartWithNormalizedData function
         if (useHashrate3hr) {
             // Add indicator text to the chart
             if (!chart.lowHashrateIndicator) {
                 // Create the indicator element if it doesn't exist
                 const graphContainer = document.getElementById('graphContainer');
                 if (graphContainer) {
+                    const theme = getCurrentTheme();
                     const indicator = document.createElement('div');
                     indicator.id = 'lowHashrateIndicator';
                     indicator.style.position = 'absolute';
                     indicator.style.bottom = '10px';
                     indicator.style.right = '10px';
                     indicator.style.background = 'rgba(0,0,0,0.7)';
-                    indicator.style.color = '#f7931a';
+                    indicator.style.color = theme.PRIMARY;
                     indicator.style.padding = '5px 10px';
                     indicator.style.borderRadius = '3px';
                     indicator.style.fontSize = '12px';
@@ -1261,6 +1273,8 @@ function updateChartWithNormalizedData(chart, data) {
                     chart.lowHashrateIndicator = indicator;
                 }
             } else {
+                // Update color based on current theme
+                chart.lowHashrateIndicator.style.color = getCurrentTheme().PRIMARY;
                 // Show the indicator if it already exists
                 chart.lowHashrateIndicator.style.display = 'block';
             }
@@ -1902,8 +1916,512 @@ function resetDashboardChart() {
     }
 }
 
-// Document ready initialization
+// Replace your entire function with this version
+function applyDeepSeaTheme() {
+    // Check if we're already applying the theme to prevent recursion
+    if (isApplyingTheme) {
+        console.log("Theme application already in progress, avoiding recursion");
+        return;
+    }
+
+    // Set the guard flag
+    isApplyingTheme = true;
+
+    try {
+        console.log("Applying DeepSea theme...");
+
+        // Create or update CSS variables for the DeepSea theme
+        const styleElement = document.createElement('style');
+        styleElement.id = 'deepSeaThemeStyles'; // Give it an ID so we can check if it exists
+
+        // Enhanced CSS with your requested changes
+        styleElement.textContent = `
+            /* Base theme variables */
+            :root {
+                --primary-color: #0088cc !important;
+                --bitcoin-orange: #0088cc !important; 
+                --bitcoin-orange-rgb: 0, 136, 204 !important;
+                --bg-gradient: linear-gradient(135deg, #0a0a0a, #131b20) !important;
+                --accent-color: #00b3ff !important;
+                --header-bg: linear-gradient(to right, #0088cc, #005580) !important;
+                --card-header-bg: linear-gradient(to right, #0088cc, #006699) !important;
+                --progress-bar-color: #0088cc !important;
+                --link-color: #0088cc !important;
+                --link-hover-color: #00b3ff !important;
+            
+                /* Standardized text shadow values */
+                --blue-text-shadow: 0 0 10px rgba(0, 136, 204, 0.8), 0 0 5px rgba(0, 136, 204, 0.5);
+                --yellow-text-shadow: 0 0 10px rgba(255, 215, 0, 0.8), 0 0 5px rgba(255, 215, 0, 0.5);
+                --green-text-shadow: 0 0 10px rgba(50, 205, 50, 0.8), 0 0 5px rgba(50, 205, 50, 0.5);
+                --red-text-shadow: 0 0 10px rgba(255, 85, 85, 0.8), 0 0 5px rgba(255, 85, 85, 0.5);
+                --white-text-shadow: 0 0 10px rgba(255, 255, 255, 0.8), 0 0 5px rgba(255, 255, 255, 0.5);
+                --cyan-text-shadow: 0 0 10px rgba(0, 255, 255, 0.8), 0 0 5px rgba(0, 255, 255, 0.5);
+            }
+        
+            /* Blue elements - main theme elements */
+            .card-header, .card > .card-header,
+            .container-fluid .card > .card-header {
+                background: linear-gradient(to right, #0088cc, #006699) !important;
+                border-bottom: 1px solid #0088cc !important;
+                text-shadow: var(--blue-text-shadow) !important;
+                color: #fff !important;
+            }
+        
+            .card {
+                border: 1px solid #0088cc !important;
+                box-shadow: 0 0 5px rgba(0, 136, 204, 0.3) !important;
+            }
+        
+            /* Navigation and interface elements */
+            .nav-link {
+                border: 1px solid #0088cc !important;
+                color: #0088cc !important;
+            }
+        
+            .nav-link:hover, .nav-link.active {
+                background-color: #0088cc !important;
+                color: #fff !important;
+                box-shadow: 0 0 10px rgba(0, 136, 204, 0.5) !important;
+            }
+        
+            #terminal-cursor {
+                background-color: #0088cc !important;
+                box-shadow: 0 0 5px rgba(0, 136, 204, 0.8) !important;
+            }
+        
+            #lastUpdated {
+                color: #0088cc !important;
+            }
+        
+            /* Chart and progress elements */
+            .bitcoin-progress-inner {
+                background: linear-gradient(90deg, #0088cc, #00b3ff) !important;
+            }
+        
+            .bitcoin-progress-container {
+                border: 1px solid #0088cc !important;
+                box-shadow: 0 0 8px rgba(0, 136, 204, 0.5) !important;
+            }
+        
+            h1, .text-center h1 {
+                color: #0088cc !important;
+                text-shadow: var(--blue-text-shadow) !important;
+            }
+        
+            .nav-badge {
+                background-color: #0088cc !important;
+            }
+        
+            /* ===== COLOR SPECIFIC STYLING ===== */
+        
+            /* YELLOW - SATOSHI EARNINGS & BTC PRICE */
+            /* All Satoshi earnings in yellow with consistent text shadow */
+            #daily_mined_sats,
+            #monthly_mined_sats,
+            #estimated_earnings_per_day_sats,
+            #estimated_earnings_next_block_sats,
+            #estimated_rewards_in_window_sats,
+            #btc_price, /* BTC Price in yellow */
+            .card:contains('SATOSHI EARNINGS') span.metric-value {
+                color: #ffd700 !important; /* Bitcoin gold/yellow */
+                text-shadow: var(--yellow-text-shadow) !important;
+            }
+        
+            /* More specific selectors for Satoshi values */
+            span.metric-value[id$="_sats"] {
+                color: #ffd700 !important;
+                text-shadow: var(--yellow-text-shadow) !important;
+            }
+        
+            /* Retaining original yellow for specific elements */
+            .est_time_to_payout:not(.green):not(.red) {
+                color: #ffd700 !important;
+                text-shadow: var(--yellow-text-shadow) !important;
+            }
+        
+            /* GREEN - POSITIVE USD VALUES */
+            /* USD earnings that are positive should be green */
+            .metric-value.green,
+            span.green,
+            #daily_revenue:not([style*="color: #ff"]),
+            #monthly_profit_usd:not([style*="color: #ff"]),
+            #daily_profit_usd:not([style*="color: #ff"]) {
+                color: #32CD32 !important; /* Lime green */
+                text-shadow: var(--green-text-shadow) !important;
+            }
+        
+            /* Status indicators remain green */
+            .status-green {
+                color: #32CD32 !important;
+                text-shadow: var(--green-text-shadow) !important;
+            }
+        
+            .online-dot {
+                background: #32CD32 !important;
+                box-shadow: 0 0 10px #32CD32, 0 0 20px #32CD32 !important;
+            }
+        
+            /* RED - NEGATIVE USD VALUES & WARNINGS */
+            /* Red for negative values and warnings */
+            .metric-value.red,
+            span.red,
+            .status-red,
+            #daily_power_cost {
+                color: #ff5555 !important;
+                text-shadow: var(--red-text-shadow) !important;
+            }
+        
+            .offline-dot {
+                background: #ff5555 !important;
+                box-shadow: 0 0 10px #ff5555, 0 0 20px #ff5555 !important;
+            }
+        
+            /* WHITE - Network stats and worker data */
+            #block_number,
+            #difficulty,
+            #network_hashrate,
+            #pool_fees_percentage,
+            #workers_hashing,
+            #last_share,
+            #blocks_found,
+            #last_block_height {
+                color: #ffffff !important;
+                text-shadow: var(--white-text-shadow) !important;
+            }
+        
+            /* CYAN - Time ago in last block */
+            #last_block_time {
+                color: #00ffff !important; /* Cyan */
+                text-shadow: var(--cyan-text-shadow) !important;
+            }
+        
+            /* BLUE - Pool statistics */
+            #pool_total_hashrate {
+                color: #0088cc !important;
+                text-shadow: var(--blue-text-shadow) !important;
+            }
+        
+            /* Hashrate values are white */
+            #hashrate_24hr,
+            #hashrate_3hr,
+            #hashrate_10min,
+            #hashrate_60sec {
+                color: white !important;
+                text-shadow: var(--white-text-shadow) !important;
+            }
+        
+            /* Pool luck/efficiency colors - PRESERVE EXISTING */
+            #pool_luck.very-lucky {
+                color: #32CD32 !important; /* Very lucky - bright green */
+                text-shadow: var(--green-text-shadow) !important;
+            }
+        
+            #pool_luck.lucky {
+                color: #90EE90 !important; /* Lucky - light green */
+                text-shadow: 0 0 10px rgba(144, 238, 144, 0.8), 0 0 5px rgba(144, 238, 144, 0.5) !important;
+            }
+        
+            #pool_luck.normal-luck {
+                color: #F0E68C !important; /* Normal - khaki */
+                text-shadow: 0 0 10px rgba(240, 230, 140, 0.8), 0 0 5px rgba(240, 230, 140, 0.5) !important;
+            }
+        
+            #pool_luck.unlucky {
+                color: #ff5555 !important; /* Unlucky - red */
+                text-shadow: var(--red-text-shadow) !important;
+            }
+        
+            /* Congrats message */
+            #congratsMessage {
+                background: #0088cc !important;
+                box-shadow: 0 0 15px rgba(0, 136, 204, 0.7) !important;
+            }
+        
+            /* Animations */
+            @keyframes waitingPulse {
+                0%, 100% { box-shadow: 0 0 10px #0088cc, 0 0 15px #0088cc !important; opacity: 0.8; }
+                50% { box-shadow: 0 0 20px #0088cc, 0 0 35px #0088cc !important; opacity: 1; }
+            }
+        
+            @keyframes glow {
+                0%, 100% { box-shadow: 0 0 10px #0088cc, 0 0 15px #0088cc !important; }
+                50% { box-shadow: 0 0 15px #0088cc, 0 0 25px #0088cc !important; }
+            }
+        `;
+
+        // Check if our style element already exists
+        const existingStyle = document.getElementById('deepSeaThemeStyles');
+        if (existingStyle) {
+            existingStyle.parentNode.removeChild(existingStyle);
+        }
+
+        // Add our new style element to the head
+        document.head.appendChild(styleElement);
+
+        // Update page title
+        document.title = document.title.replace("BTC-OS", "DeepSea");
+        document.title = document.title.replace("Bitcoin", "DeepSea");
+
+        // Update header text
+        const headerElement = document.querySelector('h1');
+        if (headerElement) {
+            headerElement.innerHTML = headerElement.innerHTML.replace("BTC-OS", "DeepSea");
+            headerElement.innerHTML = headerElement.innerHTML.replace("BITCOIN", "DEEPSEA");
+        }
+
+        console.log("DeepSea theme applied with color adjustments");
+    } finally {
+        // Always reset the guard flag when done, even if there's an error
+        isApplyingTheme = false;
+    }
+}
+
+// Make the function accessible globally so main.js can check for it
+window.applyDeepSeaTheme = applyDeepSeaTheme;
+
 $(document).ready(function () {
+    // Apply theme based on stored preference - moved to beginning for better initialization
+    try {
+        const useDeepSea = localStorage.getItem('useDeepSeaTheme') === 'true';
+        if (useDeepSea) {
+            applyDeepSeaTheme();
+        }
+        // Setup theme change listener
+        setupThemeChangeListener();
+    } catch (e) {
+        console.error("Error handling theme:", e);
+    }
+
+    // Modify the initializeChart function to use blue colors for the chart
+    function initializeChart() {
+        try {
+            const ctx = document.getElementById('trendGraph').getContext('2d');
+            if (!ctx) {
+                console.error("Could not find trend graph canvas");
+                return null;
+            }
+
+            if (!window.Chart) {
+                console.error("Chart.js not loaded");
+                return null;
+            }
+
+            // Get the current theme colors
+            const theme = getCurrentTheme();
+
+            // Check if Chart.js plugin is available
+            const hasAnnotationPlugin = window['chartjs-plugin-annotation'] !== undefined;
+
+            return new Chart(ctx, {
+                type: 'line',
+                data: {
+                    labels: [],
+                    datasets: [{
+                        label: 'HASHRATE TREND (TH/s)',
+                        data: [],
+                        borderWidth: 2,
+                        borderColor: function (context) {
+                            const chart = context.chart;
+                            const { ctx, chartArea } = chart;
+                            if (!chartArea) {
+                                return theme.PRIMARY;
+                            }
+                            // Create gradient for line
+                            const gradient = ctx.createLinearGradient(0, 0, 0, chartArea.bottom);
+                            gradient.addColorStop(0, theme.CHART.GRADIENT_START);
+                            gradient.addColorStop(1, theme.CHART.GRADIENT_END);
+                            return gradient;
+                        },
+                        backgroundColor: function (context) {
+                            const chart = context.chart;
+                            const { ctx, chartArea } = chart;
+                            if (!chartArea) {
+                                return `rgba(${theme.PRIMARY_RGB}, 0.1)`;
+                            }
+                            // Create gradient for fill
+                            const gradient = ctx.createLinearGradient(0, 0, 0, chartArea.bottom);
+                            gradient.addColorStop(0, `rgba(${theme.PRIMARY_RGB}, 0.3)`);
+                            gradient.addColorStop(0.5, `rgba(${theme.PRIMARY_RGB}, 0.2)`);
+                            gradient.addColorStop(1, `rgba(${theme.PRIMARY_RGB}, 0.05)`);
+                            return gradient;
+                        },
+                        fill: true,
+                        tension: 0.3,
+                    }]
+                },
+                options: {
+                    responsive: true,
+                    maintainAspectRatio: false,
+                    animation: {
+                        duration: 0 // Disable animations for better performance
+                    },
+                    scales: {
+                        x: {
+                            display: true,
+                            ticks: {
+                                maxTicksLimit: 8, // Limit number of x-axis labels
+                                maxRotation: 0,   // Don't rotate labels
+                                autoSkip: true,   // Automatically skip some labels
+                                color: '#FFFFFF',
+                                font: {
+                                    family: "'VT323', monospace", // Terminal font
+                                    size: 14
+                                }
+                            },
+                            grid: {
+                                color: '#333333',
+                                lineWidth: 0.5
+                            }
+                        },
+                        y: {
+                            title: {
+                                display: true,
+                                text: 'HASHRATE (TH/S)',
+                                color: theme.PRIMARY,
+                                font: {
+                                    family: "'VT323', monospace",
+                                    size: 16,
+                                    weight: 'bold'
+                                }
+                            },
+                            ticks: {
+                                color: '#FFFFFF',
+                                maxTicksLimit: 6, // Limit total number of ticks
+                                precision: 1,     // Control decimal precision
+                                autoSkip: true,   // Skip labels to prevent overcrowding
+                                autoSkipPadding: 10, // Padding between skipped labels
+                                font: {
+                                    family: "'VT323', monospace", // Terminal font
+                                    size: 14
+                                },
+                                callback: function (value) {
+                                    // For zero, just return 0
+                                    if (value === 0) return '0';
+
+                                    // For very large values (1M+)
+                                    if (value >= 1000000) {
+                                        return (value / 1000000).toFixed(1) + 'M';
+                                    }
+                                    // For large values (1K+)
+                                    else if (value >= 1000) {
+                                        return (value / 1000).toFixed(1) + 'K';
+                                    }
+                                    // For values between 10 and 1000
+                                    else if (value >= 10) {
+                                        return Math.round(value);
+                                    }
+                                    // For small values, limit decimal places
+                                    else if (value >= 1) {
+                                        return value.toFixed(1);
+                                    }
+                                    // For tiny values, use appropriate precision
+                                    else {
+                                        return value.toPrecision(2);
+                                    }
+                                }
+                            },
+                            grid: {
+                                color: '#333333',
+                                lineWidth: 0.5,
+                                drawBorder: false,
+                                zeroLineColor: '#555555',
+                                zeroLineWidth: 1,
+                                drawTicks: false
+                            }
+                        }
+                    },
+                    plugins: {
+                        tooltip: {
+                            backgroundColor: 'rgba(0, 0, 0, 0.8)',
+                            titleColor: theme.PRIMARY,
+                            bodyColor: '#FFFFFF',
+                            titleFont: {
+                                family: "'VT323', monospace",
+                                size: 16,
+                                weight: 'bold'
+                            },
+                            bodyFont: {
+                                family: "'VT323', monospace",
+                                size: 14
+                            },
+                            padding: 10,
+                            cornerRadius: 0,
+                            displayColors: false,
+                            callbacks: {
+                                title: function (tooltipItems) {
+                                    return tooltipItems[0].label.toUpperCase();
+                                },
+                                label: function (context) {
+                                    // Format tooltip values with appropriate unit
+                                    const value = context.raw;
+                                    return 'HASHRATE: ' + formatHashrateForDisplay(value).toUpperCase();
+                                }
+                            }
+                        },
+                        legend: { display: false },
+                        annotation: hasAnnotationPlugin ? {
+                            annotations: {
+                                averageLine: {
+                                    type: 'line',
+                                    yMin: 0,
+                                    yMax: 0,
+                                    borderColor: theme.CHART.ANNOTATION,
+                                    borderWidth: 3,
+                                    borderDash: [8, 4],
+                                    shadowColor: `rgba(${theme.PRIMARY_RGB}, 0.5)`,
+                                    shadowBlur: 8,
+                                    shadowOffsetX: 0,
+                                    shadowOffsetY: 0,
+                                    label: {
+                                        enabled: true,
+                                        content: '24HR AVG: 0 TH/S',
+                                        backgroundColor: 'rgba(0,0,0,0.8)',
+                                        color: theme.CHART.ANNOTATION,
+                                        font: {
+                                            family: "'VT323', monospace",
+                                            size: 16,
+                                            weight: 'bold'
+                                        },
+                                        padding: { top: 4, bottom: 4, left: 8, right: 8 },
+                                        borderRadius: 0,
+                                        position: 'start'
+                                    }
+                                }
+                            }
+                        } : {}
+                    }
+                }
+            });
+        } catch (error) {
+            console.error("Error initializing chart:", error);
+            return null;
+        }
+    }
+
+    // Add this function to the document ready section
+    function setupThemeChangeListener() {
+        // Listen for storage events to detect theme changes from other tabs/windows
+        window.addEventListener('storage', function (event) {
+            if (event.key === 'useDeepSeaTheme') {
+                // Update chart with new theme colors
+                if (trendChart) {
+                    // Trigger chart update with new colors
+                    trendChart.destroy();
+                    trendChart = initializeChart();
+                    updateChartWithNormalizedData(trendChart, latestMetrics);
+                }
+
+                // Update other UI elements that depend on theme colors
+                updateRefreshButtonColor();
+
+                // Trigger a custom event that other components can listen to
+                $(document).trigger('themeChanged');
+            }
+        });
+    }
+
+    setupThemeChangeListener();
+
     // Remove the existing refreshUptime container to avoid duplicates
     $('#refreshUptime').hide();
 
@@ -2046,6 +2564,14 @@ $(document).ready(function () {
         }
     }
 
+    // Update BitcoinProgressBar theme when theme changes
+    $(document).on('themeChanged', function () {
+        if (typeof BitcoinMinuteRefresh !== 'undefined' &&
+            typeof BitcoinMinuteRefresh.updateTheme === 'function') {
+            BitcoinMinuteRefresh.updateTheme();
+        }
+    });
+
     // Set up event source for SSE
     setupEventSource();
 
@@ -2053,8 +2579,8 @@ $(document).ready(function () {
     updateServerTime();
     setInterval(updateServerTime, 30000);
 
-    // Add a manual refresh button for fallback
-    $("body").append('<button id="refreshButton" style="position: fixed; bottom: 20px; left: 20px; z-index: 1000; background: #f7931a; color: black; border: none; padding: 8px 16px; display: none; border-radius: 4px; cursor: pointer;">Refresh Data</button>');
+    // Update the manual refresh button color
+    $("body").append('<button id="refreshButton" style="position: fixed; bottom: 20px; left: 20px; z-index: 1000; background: #0088cc; color: white; border: none; padding: 8px 16px; display: none; border-radius: 4px; cursor: pointer;">Refresh Data</button>');
 
     $("#refreshButton").on("click", function () {
         $(this).text("Refreshing...");
diff --git a/static/js/theme.js b/static/js/theme.js
new file mode 100644
index 0000000..b4dec2a
--- /dev/null
+++ b/static/js/theme.js
@@ -0,0 +1,404 @@
+// Bitcoin Orange theme (default)
+const BITCOIN_THEME = {
+    PRIMARY: '#f2a900',
+    PRIMARY_RGB: '242, 169, 0',
+    SHARED: {
+        GREEN: '#32CD32',
+        RED: '#ff5555',
+        YELLOW: '#ffd700'
+    },
+    CHART: {
+        GRADIENT_START: '#f2a900',
+        GRADIENT_END: 'rgba(242, 169, 0, 0.2)',
+        ANNOTATION: '#ffd700'
+    }
+};
+
+// DeepSea theme (blue alternative)
+const DEEPSEA_THEME = {
+    PRIMARY: '#0088cc',
+    PRIMARY_RGB: '0, 136, 204',
+    SHARED: {
+        GREEN: '#32CD32',
+        RED: '#ff5555',
+        YELLOW: '#ffd700'
+    },
+    CHART: {
+        GRADIENT_START: '#0088cc',
+        GRADIENT_END: 'rgba(0, 136, 204, 0.2)',
+        ANNOTATION: '#00b3ff'
+    }
+};
+
+// Global theme constants
+const THEME = {
+    BITCOIN: BITCOIN_THEME,
+    DEEPSEA: DEEPSEA_THEME,
+    SHARED: BITCOIN_THEME.SHARED
+};
+
+// Function to get the current theme based on localStorage setting
+function getCurrentTheme() {
+    const useDeepSea = localStorage.getItem('useDeepSeaTheme') === 'true';
+    return useDeepSea ? DEEPSEA_THEME : BITCOIN_THEME;
+}
+
+// Make globals available
+window.THEME = THEME;
+window.getCurrentTheme = getCurrentTheme;
+
+// Use window-scoped variable to prevent conflicts
+window.themeProcessing = false;
+
+// Fixed applyDeepSeaTheme function with recursion protection
+function applyDeepSeaTheme() {
+    // Check if we're already applying the theme to prevent recursion
+    if (window.themeProcessing) {
+        console.log("Theme application already in progress, avoiding recursion");
+        return;
+    }
+
+    // Set the guard flag
+    window.themeProcessing = true;
+
+    try {
+        console.log("Applying DeepSea theme...");
+
+        // Create or update CSS variables for the DeepSea theme
+        const styleElement = document.createElement('style');
+        styleElement.id = 'deepSeaThemeStyles'; // Give it an ID so we can check if it exists
+
+        // Enhanced CSS with your requested changes
+        styleElement.textContent = `
+            /* Base theme variables */
+            :root {
+                --primary-color: #0088cc !important;
+                --bitcoin-orange: #0088cc !important; 
+                --bitcoin-orange-rgb: 0, 136, 204 !important;
+                --bg-gradient: linear-gradient(135deg, #0a0a0a, #131b20) !important;
+                --accent-color: #00b3ff !important;
+                --header-bg: linear-gradient(to right, #0088cc, #005580) !important;
+                --card-header-bg: linear-gradient(to right, #0088cc, #006699) !important;
+                --progress-bar-color: #0088cc !important;
+                --link-color: #0088cc !important;
+                --link-hover-color: #00b3ff !important;
+            
+                /* Standardized text shadow values */
+                --blue-text-shadow: 0 0 10px rgba(0, 136, 204, 0.8), 0 0 5px rgba(0, 136, 204, 0.5);
+                --yellow-text-shadow: 0 0 10px rgba(255, 215, 0, 0.8), 0 0 5px rgba(255, 215, 0, 0.5);
+                --green-text-shadow: 0 0 10px rgba(50, 205, 50, 0.8), 0 0 5px rgba(50, 205, 50, 0.5);
+                --red-text-shadow: 0 0 10px rgba(255, 85, 85, 0.8), 0 0 5px rgba(255, 85, 85, 0.5);
+                --white-text-shadow: 0 0 10px rgba(255, 255, 255, 0.8), 0 0 5px rgba(255, 255, 255, 0.5);
+                --cyan-text-shadow: 0 0 10px rgba(0, 255, 255, 0.8), 0 0 5px rgba(0, 255, 255, 0.5);
+            }
+        
+            /* Blue elements - main theme elements */
+            .card-header, .card > .card-header,
+            .container-fluid .card > .card-header {
+                background: linear-gradient(to right, #0088cc, #006699) !important;
+                border-bottom: 1px solid #0088cc !important;
+                text-shadow: var(--blue-text-shadow) !important;
+                color: #fff !important;
+            }
+        
+            .card {
+                border: 1px solid #0088cc !important;
+                box-shadow: 0 0 5px rgba(0, 136, 204, 0.3) !important;
+            }
+        
+            /* Navigation and interface elements */
+            .nav-link {
+                border: 1px solid #0088cc !important;
+                color: #0088cc !important;
+            }
+        
+            .nav-link:hover, .nav-link.active {
+                background-color: #0088cc !important;
+                color: #fff !important;
+                box-shadow: 0 0 10px rgba(0, 136, 204, 0.5) !important;
+            }
+        
+            #terminal-cursor {
+                background-color: #0088cc !important;
+                box-shadow: 0 0 5px rgba(0, 136, 204, 0.8) !important;
+            }
+        
+            #lastUpdated {
+                color: #0088cc !important;
+            }
+        
+            /* Chart and progress elements */
+            .bitcoin-progress-inner {
+                background: linear-gradient(90deg, #0088cc, #00b3ff) !important;
+            }
+        
+            .bitcoin-progress-container {
+                border: 1px solid #0088cc !important;
+                box-shadow: 0 0 8px rgba(0, 136, 204, 0.5) !important;
+            }
+        
+            h1, .text-center h1 {
+                color: #0088cc !important;
+                text-shadow: var(--blue-text-shadow) !important;
+            }
+        
+            .nav-badge {
+                background-color: #0088cc !important;
+            }
+            
+            /* Theme toggle button styling */
+            #themeToggle, 
+            button.theme-toggle, 
+            .toggle-theme-btn {
+                background: transparent !important;
+                border: 1px solid #0088cc !important;
+                color: #0088cc !important;
+                transition: all 0.3s ease !important;
+            }
+
+            #themeToggle:hover, 
+            button.theme-toggle:hover, 
+            .toggle-theme-btn:hover {
+                background-color: rgba(0, 136, 204, 0.1) !important;
+                box-shadow: 0 0 10px rgba(0, 136, 204, 0.3) !important;
+            }
+        
+            /* ===== COLOR SPECIFIC STYLING ===== */
+        
+            /* YELLOW - SATOSHI EARNINGS & BTC PRICE */
+            /* All Satoshi earnings in yellow with consistent text shadow */
+            #daily_mined_sats,
+            #monthly_mined_sats,
+            #estimated_earnings_per_day_sats,
+            #estimated_earnings_next_block_sats,
+            #estimated_rewards_in_window_sats,
+            #btc_price, /* BTC Price in yellow */
+            .card:contains('SATOSHI EARNINGS') span.metric-value {
+                color: #ffd700 !important; /* Bitcoin gold/yellow */
+                text-shadow: var(--yellow-text-shadow) !important;
+            }
+        
+            /* More specific selectors for Satoshi values */
+            span.metric-value[id$="_sats"] {
+                color: #ffd700 !important;
+                text-shadow: var(--yellow-text-shadow) !important;
+            }
+        
+            /* Retaining original yellow for specific elements */
+            .est_time_to_payout:not(.green):not(.red) {
+                color: #ffd700 !important;
+                text-shadow: var(--yellow-text-shadow) !important;
+            }
+        
+            /* GREEN - POSITIVE USD VALUES */
+            /* USD earnings that are positive should be green */
+            .metric-value.green,
+            span.green,
+            #daily_revenue:not([style*="color: #ff"]),
+            #monthly_profit_usd:not([style*="color: #ff"]),
+            #daily_profit_usd:not([style*="color: #ff"]) {
+                color: #32CD32 !important; /* Lime green */
+                text-shadow: var(--green-text-shadow) !important;
+            }
+        
+            /* Status indicators remain green */
+            .status-green {
+                color: #32CD32 !important;
+                text-shadow: var(--green-text-shadow) !important;
+            }
+        
+            .online-dot {
+                background: #32CD32 !important;
+                box-shadow: 0 0 10px #32CD32, 0 0 20px #32CD32 !important;
+            }
+        
+            /* RED - NEGATIVE USD VALUES & WARNINGS */
+            /* Red for negative values and warnings */
+            .metric-value.red,
+            span.red,
+            .status-red,
+            #daily_power_cost {
+                color: #ff5555 !important;
+                text-shadow: var(--red-text-shadow) !important;
+            }
+        
+            .offline-dot {
+                background: #ff5555 !important;
+                box-shadow: 0 0 10px #ff5555, 0 0 20px #ff5555 !important;
+            }
+        
+            /* WHITE - Network stats and worker data */
+            #block_number,
+            #difficulty,
+            #network_hashrate,
+            #pool_fees_percentage,
+            #workers_hashing,
+            #last_share,
+            #blocks_found,
+            #last_block_height {
+                color: #ffffff !important;
+                text-shadow: var(--white-text-shadow) !important;
+            }
+        
+            /* CYAN - Time ago in last block */
+            #last_block_time {
+                color: #00ffff !important; /* Cyan */
+                text-shadow: var(--cyan-text-shadow) !important;
+            }
+        
+            /* BLUE - Pool statistics */
+            #pool_total_hashrate {
+                color: #0088cc !important;
+                text-shadow: var(--blue-text-shadow) !important;
+            }
+        
+            /* Hashrate values are white */
+            #hashrate_24hr,
+            #hashrate_3hr,
+            #hashrate_10min,
+            #hashrate_60sec {
+                color: white !important;
+                text-shadow: var(--white-text-shadow) !important;
+            }
+        
+            /* Pool luck/efficiency colors - PRESERVE EXISTING */
+            #pool_luck.very-lucky {
+                color: #32CD32 !important; /* Very lucky - bright green */
+                text-shadow: var(--green-text-shadow) !important;
+            }
+        
+            #pool_luck.lucky {
+                color: #90EE90 !important; /* Lucky - light green */
+                text-shadow: 0 0 10px rgba(144, 238, 144, 0.8), 0 0 5px rgba(144, 238, 144, 0.5) !important;
+            }
+        
+            #pool_luck.normal-luck {
+                color: #F0E68C !important; /* Normal - khaki */
+                text-shadow: 0 0 10px rgba(240, 230, 140, 0.8), 0 0 5px rgba(240, 230, 140, 0.5) !important;
+            }
+        
+            #pool_luck.unlucky {
+                color: #ff5555 !important; /* Unlucky - red */
+                text-shadow: var(--red-text-shadow) !important;
+            }
+        
+            /* Congrats message */
+            #congratsMessage {
+                background: #0088cc !important;
+                box-shadow: 0 0 15px rgba(0, 136, 204, 0.7) !important;
+            }
+        
+            /* Animations */
+            @keyframes waitingPulse {
+                0%, 100% { box-shadow: 0 0 10px #0088cc, 0 0 15px #0088cc !important; opacity: 0.8; }
+                50% { box-shadow: 0 0 20px #0088cc, 0 0 35px #0088cc !important; opacity: 1; }
+            }
+        
+            @keyframes glow {
+                0%, 100% { box-shadow: 0 0 10px #0088cc, 0 0 15px #0088cc !important; }
+                50% { box-shadow: 0 0 15px #0088cc, 0 0 25px #0088cc !important; }
+            }
+        `;
+
+        // Check if our style element already exists
+        const existingStyle = document.getElementById('deepSeaThemeStyles');
+        if (existingStyle) {
+            existingStyle.parentNode.removeChild(existingStyle);
+        }
+
+        // Add our new style element to the head
+        document.head.appendChild(styleElement);
+
+        // Update page title
+        document.title = document.title.replace("BTC-OS", "DeepSea");
+        document.title = document.title.replace("Bitcoin", "DeepSea");
+
+        // Update header text
+        const headerElement = document.querySelector('h1');
+        if (headerElement) {
+            headerElement.innerHTML = headerElement.innerHTML.replace("BTC-OS", "DeepSea");
+            headerElement.innerHTML = headerElement.innerHTML.replace("BITCOIN", "DEEPSEA");
+        }
+
+        // Update theme toggle button
+        const themeToggle = document.getElementById('themeToggle');
+        if (themeToggle) {
+            themeToggle.style.borderColor = '#0088cc';
+            themeToggle.style.color = '#0088cc';
+        }
+
+        console.log("DeepSea theme applied with color adjustments");
+    } finally {
+        // Always reset the guard flag when done, even if there's an error
+        window.themeProcessing = false;
+    }
+}
+
+// Make the function accessible globally
+window.applyDeepSeaTheme = applyDeepSeaTheme;
+
+// Toggle theme with hard page refresh
+function toggleTheme() {
+    const useDeepSea = localStorage.getItem('useDeepSeaTheme') !== 'true';
+
+    // Save the new theme preference
+    saveThemePreference(useDeepSea);
+
+    // Show a brief loading message to indicate theme change is happening
+    const loadingMessage = document.createElement('div');
+    loadingMessage.style.position = 'fixed';
+    loadingMessage.style.top = '0';
+    loadingMessage.style.left = '0';
+    loadingMessage.style.width = '100%';
+    loadingMessage.style.height = '100%';
+    loadingMessage.style.backgroundColor = 'rgba(0, 0, 0, 0.5)';
+    loadingMessage.style.display = 'flex';
+    loadingMessage.style.justifyContent = 'center';
+    loadingMessage.style.alignItems = 'center';
+    loadingMessage.style.zIndex = '9999';
+    loadingMessage.style.color = useDeepSea ? '#0088cc' : '#f2a900';
+    loadingMessage.style.fontFamily = "'VT323', monospace";
+    loadingMessage.style.fontSize = '24px';
+    loadingMessage.innerHTML = '<div style="background-color: rgba(0, 0, 0, 0.8); padding: 20px; border-radius: 5px;">APPLYING ' + (useDeepSea ? 'DEEPSEA' : 'BITCOIN') + ' THEME...</div>';
+    document.body.appendChild(loadingMessage);
+
+    // Short delay before refreshing to allow the message to be seen
+    setTimeout(() => {
+        // Hard reload the page
+        window.location.reload();
+    }, 300);
+}
+
+// Set theme preference to localStorage
+function saveThemePreference(useDeepSea) {
+    try {
+        localStorage.setItem('useDeepSeaTheme', useDeepSea);
+    } catch (e) {
+        console.error("Error saving theme preference:", e);
+    }
+}
+
+// Check for theme preference in localStorage
+function loadThemePreference() {
+    try {
+        const themePreference = localStorage.getItem('useDeepSeaTheme');
+        if (themePreference === 'true') {
+            applyDeepSeaTheme();
+        } else {
+            // Make sure the toggle button is styled correctly for Bitcoin theme
+            const themeToggle = document.getElementById('themeToggle');
+            if (themeToggle) {
+                themeToggle.style.borderColor = '#f2a900';
+                themeToggle.style.color = '#f2a900';
+            }
+        }
+    } catch (e) {
+        console.error("Error loading theme preference:", e);
+    }
+}
+
+// Apply theme on page load
+document.addEventListener('DOMContentLoaded', loadThemePreference);
+
+// For pages that load content dynamically, also check when the window loads
+window.addEventListener('load', loadThemePreference);
\ No newline at end of file
diff --git a/templates/base.html b/templates/base.html
index 384f836..0ded6ea 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -17,8 +17,25 @@
     <!-- Common CSS -->
     <link rel="stylesheet" href="/static/css/common.css">
 
+    <!-- Custom CSS -->
+    <link rel="stylesheet" href="/static/css/theme-toggle.css">
+
+    <!-- Theme JS (added to ensure consistent application of theme) -->
+    <script src="/static/js/theme.js"></script>
+
     <!-- Page-specific CSS -->
     {% block css %}{% endblock %}
+
+    <style>
+        .footer {
+            margin-top: 30px;
+            padding: 10px 0;
+            color: grey;
+            font-size: 0.9rem;
+            text-shadow: 0 0 5px rgba(100, 100, 100, 0.3);
+            border-top: 1px solid rgba(128, 128, 128, 0.2);
+        }
+    </style>
 </head>
 <body>
     <div class="container-fluid">
@@ -34,6 +51,11 @@
         <!-- Top right link -->
         <a href="https://x.com/DJObleezy" id="topRightLink" target="_blank" rel="noopener noreferrer">MADE BY @DJO₿LEEZY</a>
 
+        <!-- Theme toggle button (new) -->
+        <button id="themeToggle" class="theme-toggle-btn">
+            <span>Toggle Theme</span>
+        </button>
+
         {% block last_updated %}
         <p class="text-center" id="lastUpdated" style="color: #f7931a; text-transform: uppercase;"><strong>LAST UPDATED:</strong> {{ current_time }}<span id="terminal-cursor"></span></p>
         {% endblock %}
@@ -57,6 +79,11 @@
         {% block congrats_message %}
         <div id="congratsMessage" style="display:none; position: fixed; top: 20px; left: 50%; transform: translateX(-50%); z-index: 1000; background: #f7931a; color: #000; padding: 10px; border-radius: 5px; box-shadow: 0 0 15px rgba(247, 147, 26, 0.7);"></div>
         {% endblock %}
+
+        <!-- Footer -->
+        <footer class="footer text-center">
+            <p>Not affiliated with Ocean.xyz</p>
+        </footer>
     </div>
 
     <!-- External JavaScript libraries -->
@@ -64,6 +91,32 @@
     <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/chartjs-plugin-annotation@1.1.0"></script>
 
+    <!-- Theme toggle initialization -->
+    <script>
+        document.addEventListener('DOMContentLoaded', function () {
+            // Initialize theme toggle button based on current theme
+            const themeToggle = document.getElementById('themeToggle');
+            if (themeToggle) {
+                // Check current theme
+                const isDeepSea = localStorage.getItem('useDeepSeaTheme') === 'true';
+
+                // Update button style based on theme
+                if (isDeepSea) {
+                    themeToggle.style.borderColor = '#0088cc';
+                    themeToggle.style.color = '#0088cc';
+                } else {
+                    themeToggle.style.borderColor = '#f2a900';
+                    themeToggle.style.color = '#f2a900';
+                }
+
+                // Add click event listener
+                themeToggle.addEventListener('click', function () {
+                    toggleTheme(); // This will now trigger a page refresh
+                });
+            }
+        });
+    </script>
+
     <!-- Page-specific JavaScript -->
     {% block javascript %}{% endblock %}
 
diff --git a/templates/blocks.html b/templates/blocks.html
index d9c63fe..172e861 100644
--- a/templates/blocks.html
+++ b/templates/blocks.html
@@ -4,6 +4,7 @@
 
 {% block css %}
 <link rel="stylesheet" href="/static/css/blocks.css">
+<link rel="stylesheet" href="/static/css/theme-toggle.css">
 {% endblock %}
 
 {% block header %}BLOCKCHAIN MONITOR v 0.1{% endblock %}
diff --git a/templates/boot.html b/templates/boot.html
index e14668f..ba6b5bf 100644
--- a/templates/boot.html
+++ b/templates/boot.html
@@ -6,25 +6,122 @@
     <title>Ocean.xyz Pool Miner - Initializing...</title>
     <link href="https://fonts.googleapis.com/css2?family=VT323&display=swap" rel="stylesheet">
     <link rel="stylesheet" href="/static/css/boot.css">
+    <link rel="stylesheet" href="/static/css/theme-toggle.css">
+    <!-- Add Theme JS -->
+    <script src="/static/js/theme.js"></script>
     <style>
-        /* Added styles for configuration form */
+        /* Config form styling - fixed width and hidden by default */
         #config-form {
             display: none;
-            margin-top: 20px;
-            background-color: rgba(0, 0, 0, 0.7);
+            width: 500px;
+            max-width: 90%;
+            margin: 30px auto;
+            padding: 20px;
+            background-color: #0d0d0d;
             border: 1px solid #f7931a;
-            padding: 15px;
-            max-width: 600px;
-            margin-left: auto;
-            margin-right: auto;
             box-shadow: 0 0 10px rgba(247, 147, 26, 0.5);
+            border-radius: 4px;
         }
 
-        .config-title {
+        /* Boot text color - updated with theme toggling */
+        body:not(.deepsea-theme) #terminal,
+        body:not(.deepsea-theme) #output,
+        body:not(.deepsea-theme) #prompt-container,
+        body:not(.deepsea-theme) #prompt-text,
+        body:not(.deepsea-theme) #user-input,
+        body:not(.deepsea-theme) #loading-message {
             color: #f7931a;
-            font-size: 22px;
+            text-shadow: 0 0 5px rgba(247, 147, 26, 0.4);
+        }
+
+        /* DeepSea theme text color */
+        body.deepsea-theme #terminal,
+        body.deepsea-theme #output,
+        body.deepsea-theme #prompt-container,
+        body.deepsea-theme #prompt-text,
+        body.deepsea-theme #user-input,
+        body.deepsea-theme #loading-message {
+            color: #0088cc;
+            text-shadow: 0 0 5px rgba(0, 136, 204, 0.4);
+        }
+
+        /* DeepSea cursor color */
+        body.deepsea-theme .cursor,
+        body.deepsea-theme .prompt-cursor {
+            background-color: #0088cc;
+            box-shadow: 0 0 5px rgba(0, 136, 204, 0.8);
+        }
+
+        /* Boot-specific DeepSea theme adjustments */
+        body.deepsea-theme #bitcoin-logo {
+            color: #0088cc;
+            border-color: #0088cc;
+            text-shadow: 0 0 10px rgba(0, 136, 204, 0.5);
+            box-shadow: 0 0 15px rgba(0, 136, 204, 0.5);
+        }
+
+        body.deepsea-theme #config-form {
+            border: 1px solid #0088cc;
+            box-shadow: 0 0 10px rgba(0, 136, 204, 0.5);
+        }
+
+        body.deepsea-theme .config-title {
+            color: #0088cc;
+            text-shadow: 0 0 8px rgba(0, 136, 204, 0.8);
+        }
+
+        body.deepsea-theme .form-group label {
+            color: #0088cc;
+        }
+
+        body.deepsea-theme .form-group input,
+        body.deepsea-theme .form-group select {
+            border: 1px solid #0088cc;
+        }
+
+            body.deepsea-theme .form-group input:focus,
+            body.deepsea-theme .form-group select:focus {
+                box-shadow: 0 0 5px #0088cc;
+            }
+
+        body.deepsea-theme .btn {
+            background-color: #0088cc;
+        }
+
+            body.deepsea-theme .btn:hover {
+                background-color: #00b3ff;
+            }
+
+        body.deepsea-theme .btn-secondary {
+            background-color: #333;
+            color: #0088cc;
+        }
+
+        body.deepsea-theme .tooltip .tooltip-text {
+            border: 1px solid #0088cc;
+        }
+
+        body.deepsea-theme .form-group select {
+            background-image: linear-gradient(45deg, transparent 50%, #0088cc 50%), linear-gradient(135deg, #0088cc 50%, transparent 50%);
+        }
+
+        /* DeepSea skip button */
+        body.deepsea-theme #skip-button {
+            background-color: #0088cc;
+            box-shadow: 0 0 8px rgba(0, 136, 204, 0.5);
+        }
+
+            body.deepsea-theme #skip-button:hover {
+                background-color: #00b3ff;
+                box-shadow: 0 0 12px rgba(0, 136, 204, 0.7);
+            }
+
+        /* Original Bitcoin styling preserved by default */
+        .config-title {
+            font-size: 24px;
             text-align: center;
-            margin-bottom: 15px;
+            margin-bottom: 20px;
+            color: #f7931a;
             text-shadow: 0 0 8px rgba(247, 147, 26, 0.8);
         }
 
@@ -38,17 +135,19 @@
                 color: #f7931a;
             }
 
-            .form-group input {
+            .form-group input,
+            .form-group select {
                 width: 100%;
-                background-color: #111;
-                border: 1px solid #f7931a;
                 padding: 8px;
-                color: white;
+                background-color: #0d0d0d;
+                border: 1px solid #f7931a;
+                color: #fff;
                 font-family: 'VT323', monospace;
                 font-size: 18px;
             }
 
-                .form-group input:focus {
+                .form-group input:focus,
+                .form-group select:focus {
                     outline: none;
                     box-shadow: 0 0 5px #f7931a;
                 }
@@ -60,19 +159,17 @@
         }
 
         .btn {
+            padding: 8px 16px;
             background-color: #f7931a;
+            color: #000;
             border: none;
-            color: black;
-            padding: 8px 15px;
+            cursor: pointer;
             font-family: 'VT323', monospace;
             font-size: 18px;
-            cursor: pointer;
-            min-width: 120px;
-            text-align: center;
         }
 
             .btn:hover {
-                background-color: #ffa642;
+                background-color: #ffa32e;
             }
 
         .btn-secondary {
@@ -80,79 +177,10 @@
             color: #f7931a;
         }
 
-            .btn-secondary:hover {
-                background-color: #444;
-            }
-
-        /* Make skip button more mobile-friendly */
-        #skip-button {
-            position: fixed;
-            bottom: 20px;
-            right: 20px;
-            z-index: 1000;
-            padding: 12px 20px;
-            font-size: 18px;
-            border-radius: 8px;
-        }
-
-        @media (max-width: 768px) {
-            #skip-button {
-                bottom: 10px;
-                right: 10px;
-                padding: 15px 25px;
-                font-size: 20px; /* Larger font size for better tap targets */
-                border-radius: 10px;
-                width: auto;
-            }
-
-            .form-actions {
-                flex-direction: column;
-                gap: 10px;
-            }
-
-            .btn {
-                width: 100%;
-                padding: 12px;
-                font-size: 20px;
-            }
-        }
-
-        /* Tooltip styles */
-        .tooltip {
-            position: relative;
-            display: inline-block;
-            margin-left: 5px;
-            cursor: help;
-        }
-
-            .tooltip .tooltip-text {
-                visibility: hidden;
-                width: 200px;
-                background-color: #000;
-                color: #fff;
-                text-align: center;
-                border: 1px solid #f7931a;
-                padding: 5px;
-                position: absolute;
-                z-index: 1;
-                bottom: 125%;
-                left: 50%;
-                margin-left: -100px;
-                opacity: 0;
-                transition: opacity 0.3s;
-                font-size: 14px;
-            }
-
-            .tooltip:hover .tooltip-text {
-                visibility: visible;
-                opacity: 1;
-            }
-
-        /* Form success/error message */
         #form-message {
-            margin-top: 10px;
-            padding: 8px;
-            text-align: center;
+            margin-top: 15px;
+            padding: 10px;
+            border-radius: 3px;
             display: none;
         }
 
@@ -168,60 +196,63 @@
             color: #ff0000;
         }
 
-        /* Add these styles to match the timezone dropdown with your other inputs */
+        .tooltip {
+            position: relative;
+            display: inline-block;
+            margin-left: 5px;
+            width: 14px;
+            height: 14px;
+            background-color: #333;
+            color: #fff;
+            border-radius: 50%;
+            text-align: center;
+            line-height: 14px;
+            font-size: 10px;
+            cursor: help;
+        }
+
+            .tooltip .tooltip-text {
+                visibility: hidden;
+                width: 200px;
+                background-color: #000;
+                color: #fff;
+                text-align: center;
+                border-radius: 3px;
+                padding: 5px;
+                position: absolute;
+                z-index: 1;
+                bottom: 125%;
+                left: 50%;
+                margin-left: -100px;
+                opacity: 0;
+                transition: opacity 0.3s;
+                font-size: 14px;
+                border: 1px solid #f7931a;
+            }
+
+            .tooltip:hover .tooltip-text {
+                visibility: visible;
+                opacity: 1;
+            }
+
+        /* Style the select dropdown with custom arrow */
         .form-group select {
-            width: 100%;
-            background-color: #111;
-            border: 1px solid #f7931a;
-            padding: 8px;
-            color: white;
-            font-family: 'VT323', monospace;
-            font-size: 18px;
+            appearance: none;
             -webkit-appearance: none;
             -moz-appearance: none;
-            appearance: none;
-            cursor: pointer;
-        }
-
-        /* Add a custom dropdown arrow */
-        .form-group select {
             background-image: linear-gradient(45deg, transparent 50%, #f7931a 50%), linear-gradient(135deg, #f7931a 50%, transparent 50%);
-            background-position: calc(100% - 15px) 50%, calc(100% - 10px) 50%;
+            background-position: calc(100% - 15px) calc(1em + 0px), calc(100% - 10px) calc(1em + 0px);
             background-size: 5px 5px, 5px 5px;
             background-repeat: no-repeat;
-            padding-right: 25px; /* Space for the arrow */
-        }
-
-            .form-group select:focus {
-                outline: none;
-                box-shadow: 0 0 5px #f7931a;
-            }
-
-            /* Style the option groups */
-            .form-group select optgroup {
-                background-color: #111;
-                color: #f7931a;
-                font-family: 'VT323', monospace;
-            }
-
-            /* Style the options */
-            .form-group select option {
-                background-color: #222;
-                color: white;
-                padding: 8px;
-            }
-
-        /* Improve mobile appearance */
-        @media (max-width: 768px) {
-            .form-group select {
-                padding: 12px;
-                padding-right: 30px; /* More space for the dropdown arrow */
-                font-size: 20px;
-            }
+            padding-right: 30px;
         }
     </style>
 </head>
 <body>
+    <!-- Theme toggle button (new) -->
+    <button id="themeToggle" class="theme-toggle-btn">
+        <span>Toggle Theme</span>
+    </button>
     <button id="skip-button">SKIP</button>
     <div id="debug-info"></div>
     <div id="loading-message">Loading mining data...</div>
@@ -232,7 +263,7 @@
 ██╔══██╗   ██║   ██║       ██║   ██║╚════██║
 ██████╔╝   ██║   ╚██████╗  ╚██████╔╝███████║
 ╚═════╝    ╚═╝    ╚═════╝   ╚═════╝ ╚══════╝
-                                       v.21
+v.21
     </div>
     <div id="terminal">
         <div id="terminal-content">
@@ -322,6 +353,45 @@
     </div>
 
     <script>
+        // Theme toggle initialization
+        document.addEventListener('DOMContentLoaded', function () {
+            // Initialize theme toggle button based on current theme
+            const themeToggle = document.getElementById('themeToggle');
+            if (themeToggle) {
+                // Check current theme
+                const isDeepSea = localStorage.getItem('useDeepSeaTheme') === 'true';
+
+                // Update button style based on theme
+                if (isDeepSea) {
+                    document.body.classList.add('deepsea-theme');
+                    themeToggle.style.borderColor = '#0088cc';
+                    themeToggle.style.color = '#0088cc';
+                } else {
+                    document.body.classList.remove('deepsea-theme');
+                    themeToggle.style.borderColor = '#f2a900';
+                    themeToggle.style.color = '#f2a900';
+                }
+
+                // Add click event listener
+                themeToggle.addEventListener('click', function () {
+                    toggleTheme(); // This will now trigger a page refresh
+                });
+            }
+
+            // Update terminal colors based on theme (boot.html specific)
+            function updateTerminalColors() {
+                const isDeepSeaTheme = localStorage.getItem('useDeepSeaTheme') === 'true';
+                if (isDeepSeaTheme) {
+                    document.body.classList.add('deepsea-theme');
+                } else {
+                    document.body.classList.remove('deepsea-theme');
+                }
+            }
+
+            // Initialize terminal colors
+            updateTerminalColors();
+        });
+
         // Add a function to populate all available timezones
         function populateTimezones() {
             const otherTimezones = document.getElementById('other-timezones');
diff --git a/templates/dashboard.html b/templates/dashboard.html
index 76a7cbe..8f7028f 100644
--- a/templates/dashboard.html
+++ b/templates/dashboard.html
@@ -4,6 +4,7 @@
 
 {% block css %}
 <link rel="stylesheet" href="/static/css/dashboard.css">
+<link rel="stylesheet" href="/static/css/theme-toggle.css">
 {% endblock %}
 
 {% block dashboard_active %}active{% endblock %}
diff --git a/templates/notifications.html b/templates/notifications.html
index aeeac15..09eef29 100644
--- a/templates/notifications.html
+++ b/templates/notifications.html
@@ -4,6 +4,7 @@
 
 {% block css %}
 <link rel="stylesheet" href="/static/css/notifications.css">
+<link rel="stylesheet" href="/static/css/theme-toggle.css">
 {% endblock %}
 
 {% block header %}NOTIFICATION CENTER v 0.1{% endblock %}
diff --git a/templates/workers.html b/templates/workers.html
index 36ae8ee..b8406e4 100644
--- a/templates/workers.html
+++ b/templates/workers.html
@@ -4,6 +4,7 @@
 
 {% block css %}
 <link rel="stylesheet" href="/static/css/workers.css">
+<link rel="stylesheet" href="/static/css/theme-toggle.css">
 {% endblock %}
 
 {% block header %}WORKERS OVERVIEW{% endblock %}