/* ============================================
   VoiceNote AI — Premium Dark Theme
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-base: #07071a;
    --bg-elevated: #0e0e2a;
    --bg-card: rgba(255, 255, 255, 0.035);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --bg-input: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.07);
    --border-focus: rgba(129, 140, 248, 0.5);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-indigo: #818cf8;
    --accent-violet: #c084fc;
    --accent-cyan: #22d3ee;
    --accent-gradient: linear-gradient(135deg, #818cf8, #c084fc);
    --danger: #f87171;
    --danger-deep: #ef4444;
    --success: #34d399;
    --warning: #fbbf24;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-elevated: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(129, 140, 248, 0.15);
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* --- Ambient Background --- */
body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
}

body::before {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12), transparent 70%);
    top: -250px;
    right: -150px;
    animation: ambientFloat1 25s ease-in-out infinite;
}

body::after {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(192, 132, 252, 0.1), transparent 70%);
    bottom: -200px;
    left: -150px;
    animation: ambientFloat2 30s ease-in-out infinite;
}

@keyframes ambientFloat1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-60px, 40px); }
}

@keyframes ambientFloat2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(50px, -30px); }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }

/* --- App Container --- */
#app {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Header --- */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(7, 7, 26, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.logo-text {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-ai {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

/* --- Icon Buttons --- */
.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.12);
}

.icon-btn-sm {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.icon-btn-sm:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* --- Buttons --- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(129, 140, 248, 0.25);
    letter-spacing: -0.01em;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(129, 140, 248, 0.35);
}

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

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 16px rgba(129, 140, 248, 0.2);
}

.btn-primary-sm:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(129, 140, 248, 0.3);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.12);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-ghost:hover {
    background: var(--bg-card);
    color: var(--text-secondary);
}

.btn-ai {
    width: 100%;
    padding: 16px;
    font-size: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 6px 30px rgba(129, 140, 248, 0.25), var(--shadow-glow);
}

/* --- Screens --- */
.screen {
    display: none;
    flex: 1;
    padding: 24px 20px;
    animation: fadeSlideIn 0.4s ease;
}

.screen.active {
    display: flex;
    flex-direction: column;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Record Screen --- */
.record-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 20px 0;
}

.record-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

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

.record-status.recording {
    border-color: rgba(248, 113, 113, 0.3);
    background: rgba(248, 113, 113, 0.08);
}

.record-status.recording .status-dot {
    background: var(--danger);
    animation: dotBlink 1s ease-in-out infinite;
}

.record-status.recording .status-text {
    color: var(--danger);
}

@keyframes dotBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.timer {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    transition: color var(--transition-base);
}

.timer.recording {
    color: var(--danger);
}

/* --- Record Button --- */
.record-btn-wrapper {
    position: relative;
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.record-btn {
    position: relative;
    z-index: 2;
    width: 88px;
    height: 88px;
    border-radius: 50%;
    border: none;
    background: var(--accent-gradient);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    box-shadow: 0 4px 24px rgba(129, 140, 248, 0.3);
}

.record-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 32px rgba(129, 140, 248, 0.4);
}

.record-btn:active {
    transform: scale(0.97);
}

.record-btn .stop-icon { display: none; }

.record-btn.recording {
    background: linear-gradient(135deg, var(--danger-deep), #f97316);
    box-shadow: 0 4px 24px rgba(239, 68, 68, 0.35);
    animation: recordPulse 2s ease-in-out infinite;
}

.record-btn.recording .mic-icon { display: none; }
.record-btn.recording .stop-icon { display: block; }

@keyframes recordPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.06); }
}

/* --- Pulse Rings --- */
.pulse-ring {
    position: absolute;
    width: 88px;
    height: 88px;
    border-radius: 50%;
    border: 2px solid rgba(129, 140, 248, 0.3);
    opacity: 0;
    z-index: 1;
    pointer-events: none;
}

.record-btn.recording ~ .ring-1,
.record-btn.recording ~ .ring-2,
.record-btn.recording ~ .ring-3 {
    border-color: rgba(239, 68, 68, 0.25);
    animation: pulseRing 2.5s ease-out infinite;
}

.record-btn.recording ~ .ring-2 { animation-delay: 0.8s; }
.record-btn.recording ~ .ring-3 { animation-delay: 1.6s; }

@keyframes pulseRing {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(2.2); opacity: 0; }
}

.record-hint {
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: opacity var(--transition-base);
}

/* --- Waveform --- */
#waveform {
    width: 100%;
    max-width: 480px;
    height: 80px;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

#waveform.active {
    opacity: 1;
}

/* --- Live Transcript --- */
.live-transcript-wrapper {
    width: 100%;
    max-width: 560px;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-slow);
    pointer-events: none;
}

.live-transcript-wrapper.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.live-transcript-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.live-transcript {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    min-height: 80px;
    max-height: 200px;
    overflow-y: auto;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--text-primary);
    word-break: keep-all;
}

.transcript-interim {
    color: var(--text-muted);
    font-style: italic;
}

.transcript-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--accent-indigo);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: cursorBlink 1s step-end infinite;
}

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

/* --- Record Actions --- */
.record-actions {
    display: flex;
    justify-content: center;
    padding-top: 16px;
}

/* --- Edit Screen --- */
.edit-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.edit-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.edit-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px 12px;
}

.edit-card-header h2 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
}

#editArea {
    flex: 1;
    min-height: 300px;
    padding: 0 20px 16px;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.9375rem;
    line-height: 1.8;
    resize: none;
    word-break: keep-all;
}

#editArea::placeholder {
    color: var(--text-muted);
}

.stats-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.stats-divider {
    color: rgba(255, 255, 255, 0.15);
}

/* --- Loading Screen --- */
#screenLoading {
    align-items: center;
    justify-content: center;
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

.loading-orb {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orb-core {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    z-index: 2;
    animation: orbPulse 2s ease-in-out infinite;
}

@keyframes orbPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 20px rgba(129, 140, 248, 0.3); }
    50% { transform: scale(1.08); box-shadow: 0 0 40px rgba(129, 140, 248, 0.5); }
}

.orb-ring {
    position: absolute;
    border-radius: 50%;
    border: 1.5px solid transparent;
}

.orb-ring-1 {
    width: 80px;
    height: 80px;
    border-top-color: var(--accent-indigo);
    border-right-color: var(--accent-indigo);
    animation: orbSpin 2s linear infinite;
}

.orb-ring-2 {
    width: 100px;
    height: 100px;
    border-bottom-color: var(--accent-violet);
    border-left-color: var(--accent-violet);
    animation: orbSpin 3s linear infinite reverse;
}

.orb-ring-3 {
    width: 120px;
    height: 120px;
    border-top-color: rgba(129, 140, 248, 0.2);
    animation: orbSpin 4s linear infinite;
}

@keyframes orbSpin {
    to { transform: rotate(360deg); }
}

.loading-title {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.loading-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.loading-progress {
    width: 200px;
    height: 3px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.loading-bar {
    height: 100%;
    width: 40%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    animation: loadingSlide 1.5s ease-in-out infinite;
}

@keyframes loadingSlide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

/* --- Results Screen --- */
.results-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* --- Tabs --- */
.tabs-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.tabs-wrapper::-webkit-scrollbar { display: none; }

.tabs {
    display: flex;
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 4px;
    gap: 2px;
}

.tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 14px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font-family);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: color var(--transition-fast);
    white-space: nowrap;
    position: relative;
    z-index: 2;
}

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

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

.tab-indicator {
    position: absolute;
    height: calc(100% - 8px);
    top: 4px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
    pointer-events: none;
}

/* --- Tab Content --- */
.tab-content-wrapper {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.tab-panel {
    display: none;
    padding: 24px;
    min-height: 300px;
    animation: panelFade 0.3s ease;
}

.tab-panel.active {
    display: block;
}

@keyframes panelFade {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* --- Markdown Content Styling --- */
.tab-panel h1,
.tab-panel h2,
.tab-panel h3 {
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-top: 1.5em;
    margin-bottom: 0.6em;
}

.tab-panel h1:first-child,
.tab-panel h2:first-child,
.tab-panel h3:first-child {
    margin-top: 0;
}

.tab-panel h1 { font-size: 1.375rem; }
.tab-panel h2 { font-size: 1.125rem; }
.tab-panel h3 { font-size: 1rem; }

.tab-panel p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0.8em;
}

.tab-panel ul, .tab-panel ol {
    padding-left: 1.5em;
    margin-bottom: 1em;
}

.tab-panel li {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0.3em;
}

.tab-panel li::marker {
    color: var(--accent-indigo);
}

.tab-panel strong {
    color: var(--text-primary);
    font-weight: 600;
}

.tab-panel em {
    color: var(--accent-violet);
    font-style: italic;
}

.tab-panel blockquote {
    border-left: 3px solid var(--accent-indigo);
    padding: 8px 16px;
    margin: 12px 0;
    background: rgba(129, 140, 248, 0.05);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.tab-panel blockquote p {
    color: var(--text-secondary);
    margin: 0;
}

.tab-panel code {
    background: rgba(255, 255, 255, 0.06);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85em;
}

.tab-panel hr {
    border: none;
    height: 1px;
    background: var(--border);
    margin: 1.5em 0;
}

/* --- Checkbox Styling --- */
.tab-panel input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border);
    border-radius: 4px;
    margin-right: 8px;
    vertical-align: middle;
    position: relative;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-panel input[type="checkbox"]:checked {
    background: var(--accent-gradient);
    border-color: transparent;
}

.tab-panel input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.tab-panel .task-list-item {
    list-style: none;
}

/* --- Mermaid Container --- */
#mermaidContainer {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 250px;
    overflow-x: auto;
}

#mermaidContainer svg {
    max-width: 100%;
    height: auto;
}

/* --- Result Actions --- */
.result-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.result-actions .btn-primary-sm {
    margin-left: auto;
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    width: 100%;
    max-width: 440px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-elevated);
    transform: translateY(20px) scale(0.96);
    transition: transform var(--transition-slow);
}

.modal-overlay.open .modal-card {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 0;
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.modal-body {
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px 20px;
    border-top: 1px solid var(--border);
}

/* --- Form Elements --- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper input {
    width: 100%;
    padding: 10px 40px 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.875rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

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

.input-wrapper .icon-btn-sm {
    position: absolute;
    right: 4px;
}

select {
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.875rem;
    outline: none;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

select:focus {
    border-color: var(--border-focus);
}

select option {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* --- Toast --- */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    font-size: 0.8125rem;
    color: var(--text-primary);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    max-width: 340px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent-indigo); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(20px); }
}

/* --- Browser Warning --- */
.browser-warning {
    position: fixed;
    inset: 0;
    z-index: 900;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.warning-card {
    max-width: 420px;
    padding: 32px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-elevated);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.warning-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
}

.warning-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* --- Utility --- */
.hidden { display: none !important; }

/* --- Responsive --- */
@media (max-width: 640px) {
    .timer { font-size: 2.25rem; }

    .record-btn {
        width: 76px;
        height: 76px;
    }

    .pulse-ring {
        width: 76px;
        height: 76px;
    }

    .record-btn-wrapper {
        width: 120px;
        height: 120px;
    }

    .tab {
        padding: 8px 10px;
        font-size: 0.75rem;
        gap: 4px;
    }

    .tab svg { display: none; }

    .tab-panel { padding: 16px; }

    .edit-card-header h2 { font-size: 0.8125rem; }

    .result-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .result-actions .btn-primary-sm {
        margin-left: 0;
    }

    .logo-text { font-size: 1rem; }

    .modal-card { margin: 10px; }
}

/* --- PWA / Standalone Mode --- */
@media all and (display-mode: standalone) {
    header {
        padding-top: calc(env(safe-area-inset-top, 0px) + 12px);
    }

    .record-actions,
    .result-actions {
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }
}

/* iOS safe areas */
@supports (padding: env(safe-area-inset-top)) {
    header {
        padding-top: max(16px, env(safe-area-inset-top));
    }

    .screen {
        padding-bottom: max(24px, env(safe-area-inset-bottom));
    }
}

/* Prevent overscroll bounce on iOS */
html {
    overscroll-behavior: none;
}

body {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    touch-action: manipulation;
}

/* Install prompt banner (shown when installable) */
.install-banner {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-elevated);
    animation: slideUp 0.4s ease;
    max-width: 400px;
    width: calc(100% - 40px);
}

.install-banner-text {
    flex: 1;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.install-banner-text strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 2px;
}

.install-banner .btn-primary-sm {
    flex-shrink: 0;
}

.install-banner .icon-btn-sm {
    flex-shrink: 0;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* --- Header Right Buttons Group --- */
.header-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* --- Edit Metadata --- */
.edit-meta {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 14px 16px;
}

.edit-meta-row {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.edit-meta-field {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.edit-meta-field label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.edit-meta-field input {
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.875rem;
    font-weight: 500;
    outline: none;
    transition: border-color var(--transition-fast);
}

.edit-meta-field input:focus {
    border-color: var(--border-focus);
}

.edit-meta-field input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

.edit-meta-date {
    flex: 0 0 auto;
    min-width: 120px;
}

.meta-date-display {
    padding: 8px 12px;
    background: rgba(129, 140, 248, 0.08);
    border: 1px solid rgba(129, 140, 248, 0.15);
    border-radius: var(--radius-sm);
    color: var(--accent-indigo);
    font-size: 0.8125rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    display: block;
    text-align: center;
    white-space: nowrap;
}

/* --- History Screen --- */
.history-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.history-header h2 {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.history-count {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.history-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 60px 20px;
    text-align: center;
    color: var(--text-muted);
}

.history-empty p {
    font-size: 0.9375rem;
    font-weight: 500;
}

.history-empty-sub {
    font-size: 0.8125rem !important;
    color: var(--text-muted) !important;
    opacity: 0.7;
}

.history-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    transition: all var(--transition-fast);
}

.history-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.1);
}

.history-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.history-card-info {
    flex: 1;
    min-width: 0;
}

.history-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.history-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.history-dot {
    opacity: 0.4;
}

.history-preview {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.history-card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.history-card-actions .btn-ghost {
    padding: 6px 12px;
    font-size: 0.75rem;
    gap: 5px;
    border-radius: var(--radius-sm);
}

.history-play {
    color: var(--accent-indigo) !important;
    border-color: rgba(129, 140, 248, 0.2) !important;
}

.history-play:hover {
    background: rgba(129, 140, 248, 0.1) !important;
}

.history-no-audio {
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.5;
    padding: 6px 0;
}

.history-audio-player {
    margin-top: 10px;
    border-top: 1px solid var(--border);
    padding-top: 10px;
}

.history-audio-player audio {
    width: 100%;
    height: 36px;
    border-radius: var(--radius-sm);
    outline: none;
}

.history-delete {
    color: var(--text-muted) !important;
    opacity: 0.5;
    transition: all var(--transition-fast) !important;
}

.history-delete:hover {
    color: var(--danger) !important;
    opacity: 1;
}

@media (max-width: 640px) {
    .edit-meta-row {
        flex-direction: column;
        align-items: stretch;
    }

    .edit-meta-date {
        min-width: auto;
    }

    .history-card-actions {
        gap: 6px;
    }
}