/* ============================================================
   PHOTOMOSAIC.WORK - MATRIX & ASCII DIGITAL RAIN STUDIO
   Obsidian-Gold Cyber Glassmorphism Design System (2026)
   ============================================================ */

:root {
    --matrix-bg: #090a0d;
    --matrix-surface: rgba(18, 20, 26, 0.78);
    --matrix-surface-hover: rgba(26, 29, 38, 0.88);
    --matrix-panel: rgba(14, 16, 22, 0.85);
    --matrix-border: rgba(212, 175, 55, 0.22);
    --matrix-border-glow: rgba(212, 175, 55, 0.45);
    --matrix-text: #f3f4f6;
    --matrix-text-muted: #9ca3af;
    --matrix-accent: #d4af37;
    --matrix-accent-bright: #fce788;
    --matrix-accent-light: rgba(212, 175, 55, 0.12);
    --matrix-glow: rgba(212, 175, 55, 0.35);
    --matrix-radius: 14px;
    --matrix-radius-sm: 8px;
    --matrix-font-mono: "SF Mono", "Consolas", "MS Gothic", "Courier New", "Menlo", monospace;
    --matrix-font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
    background: var(--matrix-bg) !important;
    font-family: var(--matrix-font-ui);
    color: var(--matrix-text);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Canvas */
#bgCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

.matrix-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px 24px 60px;
    position: relative;
    z-index: 1;
}

/* Header & Titles */
.matrix-header {
    text-align: center;
    margin-bottom: 28px;
}

.matrix-title {
    font-size: 2.3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 8px 0;
    background: linear-gradient(135deg, #ffffff 30%, var(--matrix-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px var(--matrix-glow);
}

.matrix-subtitle {
    font-size: 1rem;
    color: var(--matrix-text-muted);
    margin: 0;
}

/* Main Studio Layout Grid */
.studio-grid {
    display: grid;
    grid-template-columns: 430px 1fr;
    gap: 28px;
    align-items: start;
}

@media (max-width: 1024px) {
    .studio-grid {
        grid-template-columns: 1fr;
    }
}

/* Glassmorphism Control Panel */
.control-panel {
    background: var(--matrix-panel);
    border: 1px solid var(--matrix-border);
    border-radius: var(--matrix-radius);
    padding: 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.section-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    color: var(--matrix-accent);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

/* Upload Dropzone */
.dropzone {
    border: 2px dashed var(--matrix-border);
    border-radius: var(--matrix-radius-sm);
    padding: 24px 16px;
    text-align: center;
    background: rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
}

.dropzone:hover, .dropzone.dragover {
    border-color: var(--matrix-accent);
    background: var(--matrix-accent-light);
    box-shadow: 0 0 20px var(--matrix-glow);
}

.dropzone-icon {
    font-size: 2.2rem;
    margin-bottom: 8px;
    display: block;
}

.dropzone-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--matrix-text);
    margin-bottom: 4px;
}

.dropzone-hint {
    font-size: 0.78rem;
    color: var(--matrix-text-muted);
}

.sample-row {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.sample-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #cbd5e1;
    font-size: 0.72rem;
    padding: 4px 10px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.sample-btn:hover {
    background: var(--matrix-accent);
    color: #000;
    border-color: var(--matrix-accent);
    font-weight: 600;
}

/* Segmented Buttons */
.segment-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 6px;
    background: rgba(0, 0, 0, 0.35);
    padding: 4px;
    border-radius: var(--matrix-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.segment-btn {
    background: transparent;
    border: none;
    color: var(--matrix-text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 8px 6px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
}

.segment-btn:hover {
    color: var(--matrix-text);
    background: rgba(255, 255, 255, 0.05);
}

.segment-btn.active {
    background: var(--matrix-accent);
    color: #050608;
    font-weight: 600;
    box-shadow: 0 0 12px var(--matrix-glow);
}

.segment-btn span.icon {
    font-size: 1.1rem;
}

/* Theme Swatches */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
}

.theme-card {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--matrix-radius-sm);
    padding: 8px 4px;
    text-align: center;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.theme-card:hover {
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.theme-card.active {
    border-color: var(--matrix-accent);
    background: var(--matrix-accent-light);
    box-shadow: 0 0 12px var(--matrix-glow);
}

.theme-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: inline-block;
}

.theme-name {
    font-size: 0.68rem;
    color: var(--matrix-text);
    white-space: nowrap;
}

/* Sliders */
.slider-group {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.slider-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--matrix-text);
}

.slider-val {
    font-family: var(--matrix-font-mono);
    color: var(--matrix-accent);
    font-size: 0.8rem;
    font-weight: 600;
}

.slider-input {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 5px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--matrix-accent);
    box-shadow: 0 0 8px var(--matrix-glow);
    cursor: pointer;
    transition: transform 0.15s;
}

.slider-input::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Custom Text Input */
.custom-text-input {
    width: 100%;
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--matrix-radius-sm);
    color: var(--matrix-accent);
    font-family: var(--matrix-font-mono);
    font-size: 0.85rem;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.2s;
}

.custom-text-input:focus {
    border-color: var(--matrix-accent);
    box-shadow: 0 0 10px var(--matrix-glow);
}

/* Right Stage Area */
.stage-panel {
    background: var(--matrix-panel);
    border: 1px solid var(--matrix-border);
    border-radius: var(--matrix-radius);
    padding: 20px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stage-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.mode-toggle {
    display: inline-flex;
    background: rgba(0, 0, 0, 0.4);
    padding: 3px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mode-toggle-btn {
    background: transparent;
    border: none;
    color: var(--matrix-text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-toggle-btn.active {
    background: var(--matrix-accent);
    color: #050608;
    font-weight: 600;
}

.stage-viewport {
    width: 100%;
    min-height: 520px;
    background: #020305;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--matrix-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

#matrixCanvas {
    max-width: 100%;
    max-height: 680px;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 0 35px rgba(0, 0, 0, 0.8);
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--matrix-text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    display: block;
    opacity: 0.6;
}

/* Action Export Buttons */
.export-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
    margin-top: 4px;
}

.btn-matrix {
    background: var(--matrix-surface);
    border: 1px solid var(--matrix-border);
    color: var(--matrix-text);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 12px 16px;
    border-radius: var(--matrix-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-matrix:hover:not(:disabled) {
    background: var(--matrix-accent-light);
    border-color: var(--matrix-accent);
    color: var(--matrix-accent-bright);
    box-shadow: 0 0 16px var(--matrix-glow);
    transform: translateY(-1px);
}

.btn-matrix-primary {
    background: linear-gradient(135deg, var(--matrix-accent) 0%, #b6952b 100%);
    color: #050608;
    border: 1px solid var(--matrix-accent-bright);
    box-shadow: 0 4px 20px var(--matrix-glow);
}

.btn-matrix-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--matrix-accent-bright) 0%, var(--matrix-accent) 100%);
    color: #000000;
    box-shadow: 0 6px 26px var(--matrix-glow);
    transform: translateY(-1px);
}

.btn-matrix:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Recording Pulse Indicator */
.recording-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
}

.recording-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ef4444;
    animation: pulseRed 1s infinite;
}

@keyframes pulseRed {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
    100% { opacity: 1; transform: scale(1); }
}

/* Toast Notification */
.matrix-toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: rgba(14, 16, 22, 0.95);
    border: 1px solid var(--matrix-accent);
    color: var(--matrix-text);
    padding: 12px 20px;
    border-radius: var(--matrix-radius-sm);
    font-size: 0.88rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    z-index: 9999;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(15px);
    pointer-events: none;
}

.matrix-toast.show {
    opacity: 1;
    transform: translateY(0);
}