style.css

/* Granite Speech WebGPU - Whisper Web Style */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f8fafc;
    color: #0f172a;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    line-height: 1.5;
}

.container {
    width: 100%;
    max-width: 540px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

/* Header */
h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: #0f172a;
    text-align: center;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: #0f172a;
    text-align: center;
    padding: 0 1rem;
    white-space: nowrap;
}

.privacy-note {
    font-size: 0.8125rem;
    color: #64748b;
    text-align: center;
}

/* Input Card */
.input-card {
    width: 100%;
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(51, 65, 85, 0.1);
    overflow: hidden;
}

.input-options {
    display: flex;
    align-items: stretch;
    padding: 0.5rem;
    gap: 0.5rem;
}

.input-tile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: none;
    border-radius: 0.5rem;
    color: #64748b;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all 0.2s;
    flex: 1;
}

.input-tile:hover:not(:disabled) {
    color: #4f46e5;
    background: #eef2ff;
}

.input-tile.recording {
    color: #ef4444;
    background: #fef2f2;
}

.input-tile.recording:hover {
    color: #dc2626;
    background: #fee2e2;
}

.input-tile:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.input-tile svg {
    width: 1.75rem;
    height: 1.75rem;
    flex-shrink: 0;
}

.file-label {
    cursor: pointer;
    transition: all 0.2s;
}

.file-label.drag-over {
    color: #2563eb;
    background: #eff6ff;
}

.input-card.drag-over {
    border: 2px dashed #2563eb;
    background: #eff6ff;
}

.divider {
    width: 1px;
    background: #e2e8f0;
    margin: 0.25rem 0;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 4px;
    background: #e5e7eb;
}

.progress-fill {
    height: 100%;
    background: #2563eb;
    width: 0%;
    transition: width 0.1s;
    border-radius: 0 2px 2px 0;
}

/* Status Section */
.status-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #64748b;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #94a3b8;
}

.status-dot.ready {
    background: #22c55e;
}

.status-dot.loading,
.status-dot.processing {
    background: #f59e0b;
    animation: pulse 1.5s infinite;
}

.status-dot.recording {
    background: #ef4444;
    animation: pulse 0.8s infinite;
}

.status-dot.error {
    background: #ef4444;
}

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

/* Audio Player */
.audio-player {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.5rem;
    background: white;
    border-radius: 0.5rem;
    border: 1px solid rgba(51, 65, 85, 0.1);
}

.play-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    background: #2563eb;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.2s;
}

.play-btn:hover {
    background: #1d4ed8;
}

.play-btn svg {
    width: 14px;
    height: 14px;
}

.waveform-container {
    flex: 1;
    height: 24px;
    position: relative;
    cursor: pointer;
    border-radius: 4px;
    overflow: hidden;
}

#waveformCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

.waveform-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: rgba(37, 99, 235, 0.3);
    pointer-events: none;
}

.audio-time {
    font-size: 0.8125rem;
    color: #64748b;
    font-variant-numeric: tabular-nums;
    min-width: 3rem;
    text-align: right;
}

.clear-btn {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: #94a3b8;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0;
    transition: all 0.2s;
}

.clear-btn:hover {
    color: #ef4444;
    background: #fef2f2;
}

.clear-btn svg {
    width: 14px;
    height: 14px;
}

/* Transcribe Section */
.transcribe-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.task-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: #64748b;
}

.task-row select {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    background: white;
    color: #0f172a;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    cursor: pointer;
    outline: none;
}

.task-row select:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.transcribe-btn {
    padding: 0.625rem 2.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background 0.2s;
}

.transcribe-btn:hover:not(:disabled) {
    background: #1d4ed8;
}

.transcribe-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.checkbox-group {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    width: 100%;
    max-width: 540px;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #64748b;
    cursor: pointer;
}

.checkbox-row input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
    accent-color: #2563eb;
}

/* Model Progress */
.model-progress {
    font-size: 0.875rem;
    color: #64748b;
}

/* Transcript Card */
.transcript-card {
    width: 100%;
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(51, 65, 85, 0.1);
    overflow: hidden;
}

.transcript-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.875rem;
    font-weight: 500;
    color: #64748b;
}

.transcript-actions {
    display: flex;
    gap: 0.25rem;
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: 0.375rem;
    color: #64748b;
    cursor: pointer;
    transition: all 0.2s;
}

.icon-btn:hover {
    background: #f1f5f9;
    color: #0f172a;
}

.icon-btn svg {
    width: 18px;
    height: 18px;
}

.transcript-output {
    padding: 1rem;
    min-height: 100px;
    max-height: 300px;
    overflow-y: auto;
    font-size: 0.9375rem;
    line-height: 1.4;
    color: #0f172a;
    word-wrap: break-word;
}

.transcript-row {
    display: flex;
    gap: 0.75rem;
    padding: 0.125rem 0;
}

.transcript-row .timestamp {
    font-size: 0.9375rem;
    color: #94a3b8;
    flex-shrink: 0;
    min-width: 3rem;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.transcript-row .transcript-text {
    flex: 1;
}

/* Footer */
.footer {
    text-align: center;
    font-size: 0.875rem;
    color: #64748b;
}

.footer a {
    color: #2563eb;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.gpu-info {
    font-size: 0.75rem;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    color: #94a3b8;
}

/* Browser Error */
.browser-error {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
    z-index: 100;
    padding: 2rem;
}

.browser-error-content {
    text-align: center;
    max-width: 440px;
}

.browser-error-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 1rem;
}

.browser-error-content p {
    font-size: 1rem;
    color: #64748b;
    margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 640px) {
    body {
        padding: 1rem;
    }

    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1rem;
    }

    .input-tile {
        padding: 0.5rem;
        font-size: 0.8125rem;
    }

    .input-tile svg {
        width: 1.5rem;
        height: 1.5rem;
    }
}

/* Scrollbar */
.transcript-output::-webkit-scrollbar {
    width: 6px;
}

.transcript-output::-webkit-scrollbar-track {
    background: #f1f5f9;
}

.transcript-output::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.transcript-output::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    body {
        background: #0f172a;
        color: #e2e8f0;
    }

    h1, h2 {
        color: #f1f5f9;
    }

    .input-card,
    .transcript-card,
    .audio-player {
        background: #1e293b;
        border-color: rgba(148, 163, 184, 0.1);
        box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.3);
    }

    .audio-time {
        color: #94a3b8;
    }

    .input-card.drag-over {
        background: #1e3a5f;
        border-color: #3b82f6;
    }

    .input-tile {
        color: #94a3b8;
    }

    .input-tile:hover:not(:disabled) {
        color: #818cf8;
        background: #312e81;
    }

    .input-tile.recording {
        color: #f87171;
        background: #450a0a;
    }

    .input-tile.recording:hover {
        color: #fca5a5;
        background: #7f1d1d;
    }

    .divider {
        background: #334155;
    }

    .progress-bar {
        background: #334155;
    }

    .status-section,
    .task-row,
    .checkbox-row,
    .model-progress {
        color: #94a3b8;
    }

    .task-row select {
        background: #1e293b;
        color: #e2e8f0;
        border-color: #475569;
    }

    .task-row select:focus {
        border-color: #3b82f6;
        box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
    }

    .transcript-header {
        border-color: #334155;
        color: #94a3b8;
    }

    .transcript-output {
        color: #e2e8f0;
    }

    .transcript-row .timestamp {
        color: #64748b;
    }

    .icon-btn {
        color: #94a3b8;
    }

    .icon-btn:hover {
        background: #334155;
        color: #f1f5f9;
    }

    .clear-btn {
        color: #64748b;
    }

    .clear-btn:hover {
        color: #f87171;
        background: #450a0a;
    }

    .footer {
        color: #64748b;
    }

    .footer a {
        color: #60a5fa;
    }

    .privacy-note {
        color: #64748b;
    }

    .gpu-info {
        color: #64748b;
    }

    .browser-error {
        background: #0f172a;
    }

    .browser-error-content h2 {
        color: #f1f5f9;
    }

    .browser-error-content p {
        color: #94a3b8;
    }

    /* Scrollbar dark */
    .transcript-output::-webkit-scrollbar-track {
        background: #1e293b;
    }

    .transcript-output::-webkit-scrollbar-thumb {
        background: #475569;
    }

    .transcript-output::-webkit-scrollbar-thumb:hover {
        background: #64748b;
    }
}