/*
 * Pixel Shader - Retro CRT Theme
 * 80s/90s arcade aesthetic with pixel-perfect styling
 */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

:root {
    --bg-dark: #0a0a0f;
    --bg-medium: #12121a;
    --bg-light: #1a1a25;
    --bg-panel: #0f0f18;

    --neon-cyan: #00ffff;
    --neon-magenta: #ff00ff;
    --neon-green: #00ff66;
    --neon-yellow: #ffff00;
    --neon-orange: #ff6600;

    --text-bright: #ffffff;
    --text-dim: #8888aa;
    --text-dark: #444466;

    --border-glow: #00ffff;
    --scanline: rgba(0, 0, 0, 0.15);

    --pixel-size: 4px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'VT323', monospace;
    background: var(--bg-dark);
    color: var(--text-bright);
    min-height: 100vh;
    line-height: 1.4;
    font-size: 18px;
    image-rendering: pixelated;
}


/* App Layout */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--bg-medium);
    border-bottom: var(--pixel-size) solid var(--neon-cyan);
    position: relative;
}

.app-header::after {
    content: '';
    position: absolute;
    bottom: calc(var(--pixel-size) * -2);
    left: 0;
    right: 0;
    height: var(--pixel-size);
    background: var(--neon-cyan);
    opacity: 0.3;
    filter: blur(8px);
}

.app-header h1 {
    font-family: 'Press Start 2P', monospace;
    font-size: 1.25rem;
    color: var(--neon-cyan);
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.5);
    letter-spacing: 2px;
    animation: flicker 4s infinite;
}

.app-header .subtitle {
    font-family: 'VT323', monospace;
    font-size: 1.25rem;
    color: var(--neon-magenta);
    text-shadow: 0 0 10px var(--neon-magenta);
}

@keyframes flicker {
    0%, 95%, 100% { opacity: 1; }
    96% { opacity: 0.8; }
    97% { opacity: 1; }
    98% { opacity: 0.9; }
}

.main-content {
    display: flex;
    flex: 1;
    gap: 0;
}

/* Canvas Container */
.canvas-container {
    flex: 1;
    position: relative;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: var(--pixel-size) solid var(--bg-light);
}

/* CRT curvature effect on canvas */
.canvas-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        ellipse at center,
        transparent 0%,
        transparent 70%,
        rgba(0, 0, 0, 0.4) 100%
    );
    pointer-events: none;
    z-index: 5;
}

#glCanvas {
    max-width: 100%;
    max-height: 100%;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

.no-media,
.error-message {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.75rem;
    line-height: 2;
    text-align: center;
}

.no-media {
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
}

.no-media p::before {
    content: '>>> ';
    animation: blink 1s step-end infinite;
}

.no-media p::after {
    content: '_';
    animation: blink 0.5s step-end infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.error-message {
    color: var(--neon-orange);
    text-shadow: 0 0 10px var(--neon-orange);
    display: none;
}

.error-message p::before {
    content: '!!! ERROR !!! ';
}

.split-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: var(--pixel-size);
    background: var(--neon-magenta);
    box-shadow: 0 0 20px var(--neon-magenta);
    pointer-events: none;
    display: none;
    z-index: 10;
}

.split-line::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    border: var(--pixel-size) solid var(--neon-magenta);
    background: var(--bg-dark);
    box-shadow:
        0 0 20px var(--neon-magenta),
        inset 0 0 20px rgba(255, 0, 255, 0.2);
}

.split-line::after {
    content: '<>';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Press Start 2P', monospace;
    font-size: 0.5rem;
    color: var(--neon-magenta);
    text-shadow: 0 0 10px var(--neon-magenta);
}

/* Control Panel */
.control-panel {
    width: 300px;
    background: var(--bg-medium);
    border-left: var(--pixel-size) solid var(--neon-cyan);
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
}

.control-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: calc(var(--pixel-size) * -2);
    width: var(--pixel-size);
    height: 100%;
    background: var(--neon-cyan);
    opacity: 0.3;
    filter: blur(8px);
}

.control-section {
    background: var(--bg-panel);
    border: var(--pixel-size) solid var(--bg-light);
    padding: 1rem;
    position: relative;
}

/* Pixelated corner cuts */
.control-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 12px;
    height: 12px;
    background: var(--bg-medium);
    clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.control-section h2 {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.625rem;
    color: var(--neon-yellow);
    text-shadow: 0 0 10px var(--neon-yellow);
    margin-bottom: 1rem;
    letter-spacing: 1px;
    border-bottom: 2px solid var(--bg-light);
    padding-bottom: 0.5rem;
}

/* Buttons */
.button-group {
    display: flex;
    gap: 0.5rem;
}

.file-button,
.action-button {
    flex: 1;
    padding: 0.75rem 1rem;
    background: var(--bg-dark);
    border: var(--pixel-size) solid var(--neon-green);
    color: var(--neon-green);
    font-family: 'Press Start 2P', monospace;
    font-size: 0.5rem;
    cursor: pointer;
    transition: all 0.1s step-end;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.file-button:hover,
.action-button:hover {
    background: var(--neon-green);
    color: var(--bg-dark);
    box-shadow:
        0 0 20px var(--neon-green),
        inset 0 0 20px rgba(0, 255, 102, 0.3);
}

.file-button:active,
.action-button:active {
    transform: translate(2px, 2px);
}

.action-button.active {
    background: var(--neon-magenta);
    border-color: var(--neon-magenta);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--neon-magenta);
}

/* Sliders */
.slider-control {
    margin-bottom: 1rem;
}

.slider-control:last-child {
    margin-bottom: 0;
}

.slider-control label {
    display: block;
    font-family: 'VT323', monospace;
    font-size: 1.125rem;
    color: var(--text-bright);
    margin-bottom: 0.5rem;
}

.slider-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.slider-row input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    background: var(--bg-dark);
    border: 2px solid var(--neon-cyan);
    outline: none;
}

.slider-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 24px;
    background: var(--neon-cyan);
    cursor: pointer;
    box-shadow: 0 0 10px var(--neon-cyan);
}

.slider-row input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--text-bright);
    box-shadow: 0 0 20px var(--neon-cyan);
}

.slider-row input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 24px;
    background: var(--neon-cyan);
    border: none;
    cursor: pointer;
    box-shadow: 0 0 10px var(--neon-cyan);
}

.slider-value {
    min-width: 50px;
    text-align: right;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.625rem;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
}

/* Select Dropdown */
.select-control {
    margin-top: 1rem;
}

.select-control label {
    display: block;
    font-family: 'VT323', monospace;
    font-size: 1.125rem;
    color: var(--text-bright);
    margin-bottom: 0.5rem;
}

.select-control select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    background: var(--bg-dark);
    border: var(--pixel-size) solid var(--neon-magenta);
    color: var(--neon-magenta);
    font-family: 'VT323', monospace;
    font-size: 1.125rem;
    cursor: pointer;
    outline: none;
}

.select-control select:focus {
    box-shadow: 0 0 20px var(--neon-magenta);
}

.select-control select option {
    background: var(--bg-dark);
    color: var(--text-bright);
}

/* Toggles */
.toggle-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.toggle-control:last-child {
    margin-bottom: 0;
}

.toggle-control > span {
    font-family: 'VT323', monospace;
    font-size: 1.125rem;
}

.toggle {
    position: relative;
    display: inline-block;
    width: 56px;
    height: 28px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-dark);
    border: var(--pixel-size) solid var(--text-dark);
    transition: all 0.1s step-end;
}

.toggle-slider::before {
    position: absolute;
    content: '';
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background: var(--text-dark);
    transition: all 0.1s step-end;
}

.toggle input:checked + .toggle-slider {
    border-color: var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(28px);
    background: var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green);
}

/* Dither Options Sections */
.dither-options {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 2px dashed var(--bg-light);
}

.dither-options .select-control,
.dither-options .slider-control {
    margin-bottom: 0.75rem;
}

.dither-options .select-control:last-child,
.dither-options .slider-control:last-child,
.dither-options .toggle-control:last-child {
    margin-bottom: 0;
}

/* Footer */
.app-footer {
    padding: 0.75rem 1.5rem;
    background: var(--bg-medium);
    border-top: var(--pixel-size) solid var(--neon-cyan);
    text-align: center;
    font-family: 'VT323', monospace;
    font-size: 1rem;
    color: var(--text-dim);
    position: relative;
}

.app-footer::before {
    content: '';
    position: absolute;
    top: calc(var(--pixel-size) * -2);
    left: 0;
    right: 0;
    height: var(--pixel-size);
    background: var(--neon-cyan);
    opacity: 0.3;
    filter: blur(8px);
}

.app-footer span::before {
    content: '[ ';
    color: var(--neon-cyan);
}

.app-footer span::after {
    content: ' ]';
    color: var(--neon-cyan);
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }

    .control-panel {
        width: 100%;
        border-left: none;
        border-top: var(--pixel-size) solid var(--neon-cyan);
    }

    .control-panel::before {
        display: none;
    }

    .canvas-container {
        min-height: 50vh;
    }

    .app-header {
        flex-direction: column;
        gap: 0.5rem;
    }

    .app-header h1 {
        font-size: 1rem;
    }
}

/* Chromatic aberration effect on hover for buttons */
.file-button:hover::before,
.action-button:hover::before {
    content: attr(data-text);
    position: absolute;
    left: 2px;
    top: 0;
    color: var(--neon-cyan);
    opacity: 0.5;
    z-index: -1;
}

.file-button:hover::after,
.action-button:hover::after {
    content: attr(data-text);
    position: absolute;
    right: 2px;
    top: 0;
    color: var(--neon-magenta);
    opacity: 0.5;
    z-index: -1;
}

/* Custom scrollbar */
.control-panel::-webkit-scrollbar {
    width: 12px;
}

.control-panel::-webkit-scrollbar-track {
    background: var(--bg-dark);
    border-left: 2px solid var(--bg-light);
}

.control-panel::-webkit-scrollbar-thumb {
    background: var(--neon-cyan);
    border: 2px solid var(--bg-dark);
}

.control-panel::-webkit-scrollbar-thumb:hover {
    background: var(--text-bright);
    box-shadow: 0 0 10px var(--neon-cyan);
}

/* Export Section */
.export-button {
    border-color: var(--neon-orange);
    color: var(--neon-orange);
}

.export-button:hover {
    background: var(--neon-orange);
    color: var(--bg-dark);
    box-shadow:
        0 0 20px var(--neon-orange),
        inset 0 0 20px rgba(255, 102, 0, 0.3);
}

.export-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: var(--text-dark);
    color: var(--text-dark);
}

.export-button:disabled:hover {
    background: transparent;
    box-shadow: none;
}

.recording-status {
    margin-top: 0.75rem;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.5rem;
    text-align: center;
    min-height: 1.5rem;
}

.recording-status.recording {
    color: var(--neon-orange);
    text-shadow: 0 0 10px var(--neon-orange);
    animation: pulse 1s ease-in-out infinite;
}

.recording-status.complete {
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
}

.recording-status.error {
    color: var(--neon-magenta);
    text-shadow: 0 0 10px var(--neon-magenta);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Nerd Stuff Section */
.nerd-section {
    background: var(--bg-dark);
}

.nerd-toggle {
    cursor: pointer;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.1s;
}

.nerd-toggle:hover {
    color: var(--neon-cyan);
}

.toggle-arrow {
    font-size: 0.5rem;
    transition: transform 0.2s;
}

.toggle-arrow.open {
    transform: rotate(90deg);
}

.nerd-content {
    margin-top: 1rem;
    font-family: 'VT323', monospace;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-dim);
}

.nerd-block {
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed var(--bg-light);
}

.nerd-block:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.nerd-block h3 {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.5rem;
    color: var(--neon-green);
    text-shadow: 0 0 8px rgba(0, 255, 102, 0.4);
    margin-bottom: 0.75rem;
    letter-spacing: 0.5px;
}

.nerd-block p {
    margin-bottom: 0.5rem;
}

.nerd-block strong {
    color: var(--neon-cyan);
}

.nerd-block ul,
.nerd-block ol {
    margin: 0.5rem 0;
    padding-left: 1.25rem;
}

.nerd-block li {
    margin-bottom: 0.25rem;
}

.nerd-block code {
    background: var(--bg-medium);
    color: var(--neon-magenta);
    padding: 0.1rem 0.3rem;
    font-family: 'VT323', monospace;
    font-size: 1.1rem;
}

.code-block {
    background: var(--bg-medium);
    border: 2px solid var(--bg-light);
    border-left: 4px solid var(--neon-cyan);
    padding: 0.75rem;
    margin: 0.5rem 0;
    font-family: 'VT323', monospace;
    font-size: 0.9rem;
    color: var(--neon-cyan);
    overflow-x: auto;
    white-space: pre;
    line-height: 1.4;
}