/**
 * error.css
 * Styles for error pages with retro terminal aesthetics
 * Supports both Bitcoin and DeepSea themes
 */

/* ----- ROOT VARIABLES ----- */
:root {
    --bg-color: #0a0a0a;
    --bg-gradient: linear-gradient(135deg, #0a0a0a, #1a1a1a);
    --primary-color: #f7931a;
    --primary-color-rgb: 247, 147, 26;
    --text-color: white;
    --error-text: #ff5555;
    --code-text: #00dfff;
    --terminal-font: 'VT323', monospace;
    --header-font: 'Orbitron', sans-serif;
}

/* DeepSea theme variables - applied to html element */
html.deepsea-theme {
    --primary-color: #0088cc;
    --primary-color-rgb: 0, 136, 204;
    --bg-gradient: linear-gradient(135deg, #0a0a0a, #0d1a20);
    --code-text: #39ff14;
    --error-text: #ff7777;
}

/* ----- BASE STYLES ----- */
body {
    background: var(--bg-gradient);
    color: var(--text-color);
    padding-top: 50px;
    font-family: var(--terminal-font);
    margin: 0;
    min-height: 100vh;
}

    /* CRT Screen Effect */
    body::before {
        content: " ";
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        right: 0;
        background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.1) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.03));
        background-size: 100% 2px, 3px 100%;
        pointer-events: none;
        z-index: 2;
        opacity: 0.15;
    }

/* DeepSea underwater effects */
html.deepsea-theme body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    background: transparent;
    opacity: 0.1;
    z-index: 10;
    animation: oceanRipple 8s infinite linear;
    background-image: repeating-linear-gradient( 0deg, rgba(var(--primary-color-rgb), 0.1), rgba(var(--primary-color-rgb), 0.1) 1px, transparent 1px, transparent 6px );
    background-size: 100% 6px;
}

html.deepsea-theme body::before {
    opacity: 0.15;
    background-image: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 73, 109, 0.1) 50%), linear-gradient(90deg, rgba(0, 81, 122, 0.03), rgba(0, 136, 204, 0.08), rgba(0, 191, 255, 0.03));
    animation: glitchEffect 2s infinite;
}

/* ----- ERROR CONTAINER ----- */
.error-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem;
    border: 1px solid var(--primary-color);
    border-radius: 0;
    background-color: rgba(0, 0, 0, 0.3);
    box-shadow: 0 0 15px rgba(var(--primary-color-rgb), 0.3);
    position: relative;
    overflow: hidden;
    animation: flicker 4s infinite;
}

    /* Scanline effect for error container */
    .error-container::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: repeating-linear-gradient( 0deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1) 1px, transparent 1px, transparent 2px );
        pointer-events: none;
        z-index: 1;
    }

/* ----- TYPOGRAPHY ----- */
h1 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-family: var(--header-font);
    font-weight: bold;
    position: relative;
    z-index: 2;
    letter-spacing: 2px;
    text-shadow: 0 0 5px rgba(var(--primary-color-rgb), 0.5);
}

p {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    position: relative;
    z-index: 2;
    color: var(--error-text);
}

/* Error code styling */
.error-code {
    font-family: var(--terminal-font);
    font-size: 1.2rem;
    color: var(--code-text);
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
    letter-spacing: 1px;
}

/* ----- INTERACTIVE ELEMENTS ----- */
a.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: black;
    margin-top: 20px;
    font-family: var(--header-font);
    text-shadow: none;
    box-shadow: 0 0 10px rgba(var(--primary-color-rgb), 0.5);
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    text-transform: uppercase;
    letter-spacing: 1px;
}

    a.btn-primary:hover {
        background-color: #ffa64d; /* Default hover for Bitcoin theme */
        box-shadow: 0 0 15px rgba(var(--primary-color-rgb), 0.7);
        transform: translateY(-2px);
    }

html.deepsea-theme a.btn-primary:hover {
    background-color: #00b3ff; /* DeepSea theme hover */
}

a.btn-primary:active {
    transform: translateY(0);
}

/* Terminal cursor */
.terminal-cursor {
    display: inline-block;
    width: 10px;
    height: 20px;
    background-color: var(--primary-color);
    margin-left: 2px;
    animation: blink 1s step-end infinite;
    vertical-align: middle;
    box-shadow: 0 0 5px rgba(var(--primary-color-rgb), 0.8);
}

/* ----- ANIMATIONS ----- */
@keyframes flicker {
    0% {
        opacity: 0.97;
    }

    5% {
        opacity: 0.95;
    }

    10% {
        opacity: 0.97;
    }

    15% {
        opacity: 0.94;
    }

    20% {
        opacity: 0.98;
    }

    50% {
        opacity: 0.95;
    }

    80% {
        opacity: 0.96;
    }

    90% {
        opacity: 0.94;
    }

    100% {
        opacity: 0.98;
    }
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

@keyframes oceanRipple {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(6px);
    }
}

@keyframes glitchEffect {
    0% {
        opacity: 0.15;
        background-position: 0 0;
    }

    20% {
        opacity: 0.17;
    }

    40% {
        opacity: 0.14;
        background-position: -1px 0;
    }

    60% {
        opacity: 0.15;
        background-position: 1px 0;
    }

    80% {
        opacity: 0.16;
        background-position: -2px 0;
    }

    100% {
        opacity: 0.15;
        background-position: 0 0;
    }
}

/* Deep Sea underwater light rays */
html.deepsea-theme .underwater-rays {
    position: fixed;
    top: -50%;
    left: -50%;
    right: -50%;
    bottom: -50%;
    width: 200%;
    height: 200%;
    background: rgba(0, 0, 0, 0);
    pointer-events: none;
    z-index: -1;
    background-image: radial-gradient(ellipse at top, rgba(var(--primary-color-rgb), 0.1) 0%, rgba(var(--primary-color-rgb), 0) 70%), radial-gradient(ellipse at bottom, rgba(0, 91, 138, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    animation: lightRays 15s ease infinite alternate;
}

@keyframes lightRays {
    0% {
        transform: scale(1) skew(0deg);
        opacity: 0.3;
    }

    50% {
        transform: scale(1.05) skew(2deg);
        opacity: 0.4;
    }

    100% {
        transform: scale(1.1) skew(0deg);
        opacity: 0.3;
    }
}

/* ----- RESPONSIVE STYLES ----- */
@media (max-width: 767px) {
    .error-container {
        max-width: 90%;
        padding: 1.5rem;
        margin-top: 10px;
    }

    h1 {
        font-size: 24px;
    }

    p {
        font-size: 1.2rem;
    }

    .terminal-cursor {
        height: 16px;
    }

    body {
        padding-top: 30px;
    }
}

@media (max-width: 480px) {
    .error-container {
        padding: 1rem;
    }

    h1 {
        font-size: 20px;
    }

    p {
        font-size: 1rem;
    }

    .error-code {
        font-size: 1rem;
    }

    a.btn-primary {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
}