@import url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/Vazirmatn-font-face.css');

:root {
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-secondary: #f1f5f9;
    --border-color: #e2e8f0;
    --border-subtle: #edf2f7;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --accent-green: #10b981;
    --accent-green-bg: #ecfdf5;
    --accent-orange: #f59e0b;
    --accent-orange-bg: #fffbeb;
    --accent-purple: #8b5cf6;
    --accent-purple-bg: #f5f3ff;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

[data-theme="dark"] {
    --bg-page: #0b0f19;
    --bg-card: #111827;
    --bg-card-secondary: #1f2937;
    --border-color: #1f2937;
    --border-subtle: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --primary: #6366f1;
    --primary-hover: #818cf8;
    --primary-light: rgba(99, 102, 241, 0.15);
    --accent-green-bg: rgba(16, 185, 129, 0.15);
    --accent-orange-bg: rgba(245, 158, 11, 0.15);
    --accent-purple-bg: rgba(139, 92, 246, 0.15);
    --danger-bg: rgba(239, 68, 68, 0.15);
}

.hidden {
    display: none !important;
}

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

body {
    font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    direction: rtl;
    text-align: right;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header & Navigation Bar (Hugging Face style) */
.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(8px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.15rem;
}

.brand-icon {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, #f59e0b, #ef4444, #8b5cf6);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.brand-badge {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.theme-toggle-btn, .icon-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle-btn:hover, .icon-btn:hover {
    background: var(--bg-card-secondary);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.api-docs-link {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 6px 14px;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s;
}

.api-docs-link:hover {
    background: var(--primary);
    color: white;
}

/* Model Header & HF Tags Section */
.model-hero {
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-page) 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 1.75rem 0 0.75rem 0;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.model-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.model-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.model-org {
    color: var(--text-secondary);
    font-weight: 600;
}

.model-sep {
    color: var(--text-muted);
}

.model-name {
    color: var(--primary);
    font-family: monospace;
    letter-spacing: -0.5px;
}

/* Hugging Face Tags Bar */
.tags-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.hf-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    transition: all 0.15s ease;
}

.hf-tag:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.tag-pipeline {
    background: var(--accent-green-bg);
    color: var(--accent-green);
    border-color: rgba(16, 185, 129, 0.3);
    font-weight: 600;
}

.tag-safetensors {
    background: var(--bg-card-secondary);
    color: var(--text-primary);
}

.tag-arxiv {
    background: var(--accent-orange-bg);
    color: var(--accent-orange);
    border-color: rgba(245, 158, 11, 0.3);
}

.tag-spec {
    background: var(--primary-light);
    color: var(--primary);
    border-color: rgba(99, 102, 241, 0.3);
}

/* Navigation Tabs */
.tabs-nav {
    display: flex;
    gap: 1.5rem;
    border-bottom: 1px solid transparent;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 0.75rem 0.25rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
    transition: all 0.2s;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Main Grid Layout */
.main-layout {
    max-width: 1400px;
    margin: 1.5rem auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 8fr 4fr;
    gap: 1.5rem;
    flex: 1;
    width: 100%;
}

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

/* Card Container */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-subtle);
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Voice Conversation Studio */
.visualizer-container {
    background: linear-gradient(180deg, var(--bg-card-secondary) 0%, var(--bg-card) 100%);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-align: center;
    position: relative;
    border: 1px solid var(--border-color);
    margin-bottom: 1.25rem;
    overflow: hidden;
}

.visualizer-canvas {
    width: 100%;
    height: 120px;
    display: block;
}

.voice-status-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.status-dot.listening {
    background: var(--danger);
    box-shadow: 0 0 8px var(--danger);
    animation: pulse 1.2s infinite;
}

.status-dot.speaking {
    background: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
    animation: pulse 1.2s infinite;
}

.status-dot.processing {
    background: var(--accent-orange);
    box-shadow: 0 0 8px var(--accent-orange);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.2); }
}

/* Voice Controls & Mic Button */
.mic-control-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 1.5rem 0;
    gap: 0.75rem;
}

.mic-btn {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    border: 3px solid var(--primary-light);
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    color: white;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.mic-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 28px rgba(79, 70, 229, 0.45);
}

.mic-btn.recording {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow: 0 0 30px rgba(239, 68, 68, 0.5);
    animation: recordingWave 1.5s infinite;
}

@keyframes recordingWave {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
    70% { box-shadow: 0 0 0 18px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.mic-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Chat Log Box */
.chat-history {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 0.5rem;
    margin-bottom: 1.25rem;
}

.chat-bubble {
    display: flex;
    gap: 0.75rem;
    max-width: 85%;
    animation: fadeIn 0.25s ease-out;
}

.chat-bubble.user {
    align-self: flex-start;
}

.chat-bubble.assistant {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.bubble-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.chat-bubble.user .bubble-avatar {
    background: var(--primary-light);
    color: var(--primary);
}

.chat-bubble.assistant .bubble-avatar {
    background: var(--accent-purple-bg);
    color: var(--accent-purple);
}

.bubble-content {
    background: var(--bg-card-secondary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.chat-bubble.user .bubble-content {
    background: var(--primary-light);
    border-color: rgba(99, 102, 241, 0.2);
    color: var(--text-primary);
}

.bubble-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Chat Input Bar */
.chat-input-row {
    display: flex;
    gap: 0.5rem;
}

.text-input {
    flex: 1;
    background: var(--bg-card-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}

.text-input:focus {
    border-color: var(--primary);
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

/* Speaker Replay Button on Bubbles */
.bubble-speaker-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 6px;
    transition: all 0.2s ease;
    font-family: inherit;
    box-shadow: var(--shadow-sm);
}

.bubble-speaker-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}

.bubble-speaker-btn.playing {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    animation: pulse 1s infinite;
}

/* Discrete Input Mic Button Beside Text Box */
.input-mic-btn {
    background: var(--bg-card-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.input-mic-btn:hover {
    background: var(--bg-card);
    border-color: var(--primary);
    transform: scale(1.05);
}

.input-mic-btn.recording {
    background: #ef4444 !important;
    border-color: #dc2626 !important;
    color: white !important;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.6);
    animation: recordingWave 1.2s infinite;
}

/* Sidebar Panels */
.sidebar-panel {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.form-select, .form-control {
    width: 100%;
    background: var(--bg-card-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
}

.form-select:focus, .form-control:focus {
    border-color: var(--primary);
}

/* Metrics & Specs Table */
.spec-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.spec-card {
    background: var(--bg-card-secondary);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.spec-num {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.spec-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Tokenizer Codebook Matrix Heatmap */
.codebook-matrix-container {
    background: var(--bg-card-secondary);
    padding: 1rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    border: 1px solid var(--border-color);
    margin-top: 1rem;
}

.matrix-grid {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 2px;
}

.matrix-cell {
    height: 18px;
    border-radius: 2px;
    background: var(--primary-light);
    transition: background 0.2s;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    margin-top: auto;
    background: var(--bg-card);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}