/* ══════════════════════════════════════════════════════
   YOLOv9 Pothole Detector — Flat Minimalist CSS
   ══════════════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
    --bg: #F8FAFC;
    --bg2: #FFFFFF;
    --bg3: #F1F5F9;
    --card: #FFFFFF;
    --glass: rgba(255, 255, 255, 0.95);
    --border: #E2E8F0;
    --text: #0F172A;
    --text2: #64748B;
    --primary: #2563EB;
    --success: #16A34A;
    --warn: #D97706;
    --danger: #DC2626;
    --cyan: #0284C7;
    --mono: 'JetBrains Mono', monospace;
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-top: env(safe-area-inset-top, 0px);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
    height: 100%; width: 100%;
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* ══════════════════════════════════════════════════════
   SPLASH SCREEN
   ══════════════════════════════════════════════════════ */
.splash-screen {
    position: fixed; inset: 0; z-index: 1000;
    background: var(--bg);
    display: flex; align-items: center; justify-content: center;
    padding: max(16px, env(safe-area-inset-top, 16px)) max(16px, env(safe-area-inset-right, 16px)) max(16px, env(safe-area-inset-bottom, 16px)) max(16px, env(safe-area-inset-left, 16px));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.splash-content {
    text-align: center;
    width: 100%;
    max-width: 380px;
    margin: auto 0;
}
.splash-icon {
    font-size: 64px;
    margin-bottom: 16px;
}
.splash-content h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
}
.splash-sub {
    font-size: 0.82rem;
    color: var(--text2);
    margin-bottom: 24px;
}
.splash-divider {
    width: 60px; height: 2px;
    background: var(--border);
    margin: 0 auto 24px;
}
.splash-requirement {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 28px;
    display: flex; align-items: center; gap: 12px;
    text-align: left;
}
.req-icon { font-size: 28px; flex-shrink: 0; }
.splash-requirement p {
    font-size: 0.8rem;
    color: var(--text2);
    line-height: 1.5;
}
.splash-requirement strong { color: var(--text); }

.btn-start-main {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--primary);
    color: #fff;
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem; font-weight: 600;
    padding: 16px 40px;
    border: none; border-radius: 16px;
    cursor: pointer;
    width: 100%;
    justify-content: center;
}
.btn-start-main:active {
    opacity: 0.9;
}
.btn-icon { font-size: 1.2rem; }

.camera-select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    outline: none;
    appearance: none;
}
.camera-select:focus { border-color: var(--primary); }

.splash-hint {
    font-size: 0.7rem;
    color: var(--text2);
    margin-top: 14px;
}

/* ══════════════════════════════════════════════════════
   APP CONTAINER
   ══════════════════════════════════════════════════════ */
.app-container {
    position: fixed; inset: 0;
    background: #000;
    overflow: hidden;
}

/* ── Fullscreen Camera ── */
.camera-fullscreen {
    position: absolute; inset: 0;
    background: #000;
}
.camera-fullscreen video {
    width: 100%; height: 100%;
    object-fit: cover;
}
.camera-fullscreen canvas {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    pointer-events: none;
}

/* ── Flash overlay ── */
.flash-overlay {
    position: absolute; inset: 0;
    pointer-events: none;
    z-index: 5;
}
.flash-overlay.danger {
    background: rgba(220, 38, 38, 0.2);
}
.flash-overlay.warning {
    background: rgba(217, 119, 6, 0.2);
}

/* ══════════════════════════════════════════════════════
   MOBILE HUD — Overlay on camera
   ══════════════════════════════════════════════════════ */
.mobile-hud {
    position: absolute; inset: 0;
    z-index: 10;
    pointer-events: none;
    padding-top: env(safe-area-inset-top, 0px);
}
.mobile-hud > * { pointer-events: auto; }

/* Top bar */
.hud-topbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 6px 12px;
    gap: 8px;
    flex-wrap: wrap;
    background: rgba(10, 13, 18, 0.45);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}
.hud-pill-row {
    display: flex; gap: 4px; align-items: center; flex-wrap: wrap;
}
.hud-btn-group {
    display: flex; gap: 6px; align-items: center; flex-shrink: 0;
}
.status-pill {
    display: inline-flex; align-items: center; gap: 4px;
    background: var(--glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 2px 6px;
    border-radius: 12px;
    font-size: 0.55rem;
    font-weight: 600;
    color: var(--text);
    border: 1px solid var(--border);
    letter-spacing: 0.5px;
}
.dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #555;
    display: inline-block;
    flex-shrink: 0;
}
.dot.green { background: var(--success); }
.dot.red { background: var(--danger); }
.dot.yellow { background: var(--warn); }

.badge {
    background: var(--glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 2px 5px;
    border-radius: 6px;
    font-size: 0.55rem;
    font-family: var(--mono);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-stop-hud {
    background: var(--danger);
    color: #fff;
    font-weight: 700;
    font-size: 0.6rem;
    padding: 4px 10px;
    border: none; border-radius: 8px;
    cursor: pointer;
    letter-spacing: 0.5px;
    display: flex; align-items: center; gap: 3px;
    white-space: nowrap;
}

.btn-gallery-hud {
    background: var(--bg3);
    border: 1px solid var(--border);
    color: var(--primary);
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 0.6rem;
    font-weight: 600;
    cursor: pointer;
    font-family: Outfit, sans-serif;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 3px;
    white-space: nowrap;
}

/* Stabilizer toggle button */
.btn-stabilizer-hud {
    font-weight: 700;
    font-size: 0.55rem;
    padding: 4px 8px;
    border: none; border-radius: 8px;
    cursor: pointer;
    letter-spacing: 0.3px;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
    display: flex; align-items: center; gap: 3px;
}
.btn-stabilizer-hud.stab-on {
    background: var(--success);
    color: #fff;
}
.btn-stabilizer-hud.stab-off {
    background: var(--warn);
    color: #fff;
}

/* Toast notification */
.toast-notification {
    position: absolute;
    top: -60px;
    left: 50%; transform: translateX(-50%);
    z-index: 100;
    display: flex; align-items: center; gap: 8px;
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 10px 20px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    opacity: 0;
    transition: top 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
    pointer-events: none;
    white-space: nowrap;
}
.toast-notification.show {
    top: calc(var(--safe-top) + 50px);
    opacity: 1;
}
.toast-notification.toast-on {
    border-color: var(--success);
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.15);
}
.toast-notification.toast-off {
    border-color: var(--warn);
    box-shadow: 0 4px 20px rgba(217, 119, 6, 0.15);
}
.toast-icon {
    font-size: 1.1rem;
}

/* Sub bar — GPS info, FPS badge, Speedometer */
.hud-subbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 6px 12px;
    pointer-events: none;
}
.hud-subbar > * {
    pointer-events: auto;
}

.hud-gps-info {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px 8px;
    font-family: var(--mono);
    font-size: 0.55rem;
    color: var(--text);
    line-height: 1.4;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.hud-speed-big {
    text-align: center;
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 4px 10px;
    min-width: 56px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}
.speed-number {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
}
.speed-unit {
    font-size: 0.55rem;
    color: var(--text2);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Bottom Stack — Warning card + Status message stacked vertically */
.hud-bottom-stack {
    position: absolute;
    bottom: max(95px, calc(var(--safe-bottom) + 95px));
    left: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 15;
    pointer-events: none;
}
.hud-bottom-stack > * {
    pointer-events: auto;
}

.warning-card-mobile {
    width: 100%;
    max-width: 440px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
}

.hud-status-bar {
    text-align: center;
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
    max-width: 90vw;
    overflow: hidden;
    text-overflow: ellipsis;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}
.warning-safe {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    background: rgba(220, 252, 231, 0.9);
    border: 1px solid #86EFAC;
    border-radius: 10px;
    padding: 6px 12px;
    color: var(--success);
    font-size: 0.75rem;
    font-weight: 600;
}
.safe-icon { font-size: 1rem; }

.warning-danger {
    background: #FEE2E2;
    border: 1px solid #FCA5A5;
    border-radius: 14px;
    padding: 14px 16px;
}
.warning-danger.medium {
    background: #FEF3C7;
    border-color: #FDE68A;
}
.warning-danger h3 {
    font-size: 0.95rem; color: var(--danger);
    margin-bottom: 4px;
}
.warning-danger.medium h3 { color: var(--warn); }
.warning-danger p {
    font-size: 0.75rem;
    color: var(--text);
    margin-bottom: 8px;
}
.warn-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 6px;
}
.warn-item {
    display: flex; justify-content: space-between;
    background: rgba(0,0,0,0.05);
    padding: 4px 8px; border-radius: 6px;
}
.wl { font-size: 0.65rem; color: var(--text2); }
.wv { font-size: 0.72rem; font-weight: 700; font-family: var(--mono); color: var(--text); }

/* ══════════════════════════════════════════════════════
   BOTTOM SHEET
   ══════════════════════════════════════════════════════ */
.bottom-sheet {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    z-index: 20;
    background: var(--bg);
    border-radius: 20px 20px 0 0;
    border-top: 1px solid var(--border);
    max-height: 70vh;
    transition: transform 0.2s ease-out;
    padding-bottom: var(--safe-bottom);
    overflow: hidden;
}
.bottom-sheet.expanded {
    transform: translateY(0);
    overflow-y: auto;
}

.sheet-handle {
    display: flex; justify-content: center;
    padding: 10px 0 6px;
    cursor: grab;
}
.handle-bar {
    width: 40px; height: 4px;
    background: var(--border);
    border-radius: 4px;
}

.sheet-peek {
    padding: 0 16px 12px;
}
.peek-metrics {
    display: flex; gap: 4px;
    margin-bottom: 4px;
}
.peek-metric {
    flex: 1;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    background: transparent;
    border: none;
    padding: 4px 2px;
}
.peek-metric.danger .peek-num { color: var(--danger); }
.peek-num {
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
}
.peek-lbl {
    font-size: 0.5rem;
    color: var(--text2);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-top: 2px;
}
.sheet-toggle-hint {
    display: block;
    text-align: center;
    font-size: 0.65rem;
    color: var(--text2);
}

/* Full sheet content */
.sheet-full {
    display: none;
    padding: 8px 16px 24px;
}
.bottom-sheet.expanded .sheet-full { display: block; }
.bottom-sheet.expanded .sheet-toggle-hint { display: none; }

.card-mobile {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    margin-bottom: 12px;
}
.card-mobile h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    color: var(--text);
    margin-bottom: 10px;
}
.chart-wrap-mobile {
    height: 160px;
    position: relative;
}
.card-head-mobile {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 10px;
}
.card-head-mobile h3 { margin-bottom: 0; }
.card-actions { display: flex; gap: 6px; }

.btn-sm {
    background: var(--bg3);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.65rem;
    font-weight: 500;
    cursor: pointer;
}
.btn-sm-danger { color: var(--danger); }

.table-scroll-mobile {
    overflow-x: auto;
}
.log-table-mobile {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.7rem;
    white-space: nowrap;
}
.log-table-mobile th {
    background: var(--bg3);
    color: var(--text2);
    font-weight: 600;
    font-size: 0.6rem;
    padding: 8px 10px;
    text-align: left;
    text-transform: uppercase;
    position: sticky; top: 0;
    border-bottom: 1px solid var(--border);
}
.log-table-mobile td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.badge-sev {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
}
.badge-sev.low { background: #DCFCE7; color: var(--success); }
.badge-sev.medium { background: #FEF3C7; color: var(--warn); }
.badge-sev.high { background: #FEE2E2; color: var(--danger); }

.gmaps-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.75rem;
}

/* ══════════════════════════════════════════════════════
   MODAL MOBILE / LIGHTBOX (PHOTO VIEWER)
   ══════════════════════════════════════════════════════ */
.modal-mobile {
    position: fixed; inset: 0; z-index: 10000;
    background: rgba(0, 0, 0, 0.6);
    display: flex; align-items: center; justify-content: center;
    padding: 16px;
}
.modal-mobile-content {
    background: var(--card);
    border-radius: 20px;
    width: 100%; max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-mobile-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.modal-mobile-header h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1rem; font-weight: 700;
    color: var(--text);
}
.modal-close-btn {
    background: transparent; border: none;
    font-size: 1.1rem; color: var(--text2);
    cursor: pointer; padding: 4px;
}
.modal-close-btn:active { color: var(--danger); }

.modal-mobile-body {
    padding: 16px 20px 24px;
}
.modal-image-wrapper {
    width: 100%; height: 220px;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    margin-bottom: 16px;
}
.modal-image-wrapper img {
    width: 100%; height: 100%;
    object-fit: contain;
}
.modal-stats-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 8px; margin-bottom: 20px;
}
.modal-stat-card {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 12px;
    display: flex; flex-direction: column;
}
.modal-stat-card.full-width {
    grid-column: span 2;
}
.m-lbl {
    font-size: 0.62rem; color: var(--text2);
    text-transform: uppercase;
    margin-bottom: 2px;
}
.m-val {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem; font-weight: 700;
    color: var(--text);
}
.m-val-sub {
    font-family: var(--mono);
    font-size: 0.75rem; font-weight: 500;
    color: var(--text2);
}
.modal-btn-primary {
    display: flex; align-items: center; justify-content: center;
    background: var(--primary);
    color: #fff; text-decoration: none;
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem; font-weight: 600;
    padding: 14px; border-radius: 12px;
    width: 100%; text-align: center;
}

/* ══════════════════════════════════════════════════════
   SOUND MODULE SELECTOR — Splash Screen
   ══════════════════════════════════════════════════════ */
.sound-selector-wrapper {
    margin-top: 18px;
    text-align: left;
}
.sound-selector-label {
    font-size: 0.8rem;
    color: var(--text2);
    display: block;
    margin-bottom: 8px;
    text-align: center;
}
.sound-selector-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}
.sound-card {
    position: relative;
    background: var(--bg2);
    border: 1.5px solid var(--border);
    border-radius: 14px;
    padding: 14px 8px 10px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.15s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    -webkit-tap-highlight-color: transparent;
}
.sound-card:active {
    transform: scale(0.97);
}
.sound-card.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15), 0 2px 12px rgba(37, 99, 235, 0.1);
}
.sound-card.active .sound-card-icon {
    animation: soundPulse 2s ease-in-out infinite;
}
@keyframes soundPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.12); }
}
.sound-card-icon {
    font-size: 1.6rem;
    line-height: 1;
    transition: transform 0.2s;
}
.sound-card-name {
    font-family: 'Outfit', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.2;
}
.sound-card-desc {
    font-size: 0.58rem;
    color: var(--text2);
    line-height: 1.3;
}
.sound-card-check {
    position: absolute;
    top: 6px; right: 6px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 9px;
    display: none;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}
.sound-card.active .sound-card-check {
    display: flex;
}
.sound-preview-btn {
    margin-top: 4px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 3px 10px;
    font-size: 0.6rem;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    color: var(--primary);
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}
.sound-preview-btn:active {
    transform: scale(0.95);
    background: var(--border);
}
.sound-preview-btn.playing {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ── HUD Sound Mode Pill ── */
.sound-mode-pill {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    background: var(--glass);
    padding: 2px 7px;
    border-radius: 12px;
    font-size: 0.55rem;
    font-weight: 600;
    color: var(--text);
    border: 1px solid var(--border);
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
    -webkit-tap-highlight-color: transparent;
}
.sound-mode-pill:active {
    transform: scale(0.95);
}
.sound-mode-pill .smp-icon {
    font-size: 0.7rem;
    line-height: 1;
}
.sound-mode-pill[data-mode="bell"] {
    border-color: var(--success);
    box-shadow: 0 0 0 1px rgba(22, 163, 74, 0.1);
}
.sound-mode-pill[data-mode="ai"] {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.1);
}
.sound-mode-pill[data-mode="silent"] {
    border-color: var(--text2);
    box-shadow: none;
}

/* ── Enhanced Flash Overlay per Mode ── */
.flash-overlay.danger {
    background: rgba(220, 38, 38, 0.2);
    animation: flashPulse 0.5s ease-out;
}
.flash-overlay.warning {
    background: rgba(217, 119, 6, 0.2);
    animation: flashPulse 0.5s ease-out;
}
.flash-overlay.danger-bell {
    background: transparent;
    border: 6px solid rgba(220, 38, 38, 0.7);
    animation: borderFlash 0.6s ease-out 3;
}
.flash-overlay.warning-bell {
    background: transparent;
    border: 4px solid rgba(217, 119, 6, 0.6);
    animation: borderFlash 0.6s ease-out 2;
}
.flash-overlay.danger-silent {
    background: radial-gradient(ellipse at center, rgba(220, 38, 38, 0.1) 0%, transparent 70%);
    animation: subtleGlow 1.5s ease-out;
}
.flash-overlay.warning-silent {
    background: radial-gradient(ellipse at center, rgba(217, 119, 6, 0.1) 0%, transparent 70%);
    animation: subtleGlow 1.5s ease-out;
}
@keyframes flashPulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}
@keyframes borderFlash {
    0% { opacity: 1; }
    50% { opacity: 0.3; }
    100% { opacity: 1; }
}
@keyframes subtleGlow {
    0% { opacity: 0; }
    30% { opacity: 1; }
    100% { opacity: 0; }
}

/* ══════════════════════════════════════════════════════
   MEDIA QUERIES — Mobile Responsiveness
   ══════════════════════════════════════════════════════ */

/* Screen width <= 480px (Standard & small mobile phones) */
@media (max-width: 480px) {
    .hud-topbar {
        padding: 5px 8px;
        gap: 4px;
    }
    .hud-pill-row {
        gap: 3px;
    }
    .hud-btn-group {
        gap: 4px;
    }
    .status-pill {
        padding: 2px 4px;
        font-size: 0.48rem;
    }
    .badge {
        font-size: 0.48rem;
        padding: 2px 4px;
    }
    .sound-mode-pill {
        font-size: 0.48rem;
        padding: 2px 4px;
    }
    .btn-stabilizer-hud, .btn-gallery-hud, .btn-stop-hud {
        font-size: 0.52rem;
        padding: 3px 6px;
    }
    .hud-subbar {
        padding: 4px 8px;
    }
    .hud-speed-big {
        padding: 3px 6px;
        min-width: 48px;
    }
    .speed-number {
        font-size: 1.25rem;
    }
    .hud-gps-info {
        font-size: 0.48rem;
        padding: 3px 6px;
    }
    .hud-bottom-stack {
        bottom: max(90px, calc(var(--safe-bottom) + 90px));
        left: 8px;
        right: 8px;
        gap: 6px;
    }
    .hud-status-bar {
        font-size: 0.6rem;
        padding: 3px 10px;
    }
    .warning-danger {
        padding: 10px 12px;
    }
    .warning-danger h3 {
        font-size: 0.85rem;
    }
    .sound-selector-grid {
        gap: 6px;
    }
    .sound-card {
        padding: 10px 4px 8px;
    }
    .sound-card-name {
        font-size: 0.65rem;
    }
    .sound-card-desc {
        font-size: 0.52rem;
    }
}

/* Extra small screens <= 360px (e.g. iPhone SE 1st gen, small Androids) */
@media (max-width: 360px) {
    .btn-txt {
        display: none;
    }
    .btn-stabilizer-hud, .btn-gallery-hud, .btn-stop-hud {
        padding: 3px 5px;
    }
    .badge {
        display: none; /* Hide FPS badge on ultra-narrow screens */
    }
    .sound-selector-grid {
        grid-template-columns: 1fr;
    }
    .sound-card {
        flex-direction: row;
        justify-content: flex-start;
        padding: 8px 12px;
    }
    .sound-card-check {
        top: 50%;
        transform: translateY(-50%);
        right: 12px;
    }
}

/* Landscape Mode for mobile phones */
@media (orientation: landscape) and (max-height: 500px) {
    .splash-content {
        max-width: 520px;
        padding: 12px 0;
    }
    .splash-icon {
        font-size: 36px;
        margin-bottom: 8px;
    }
    .splash-content h1 {
        font-size: 1.3rem;
    }
    .splash-sub {
        margin-bottom: 12px;
    }
    .splash-requirement {
        margin-bottom: 14px;
        padding: 10px;
    }
    .btn-start-main {
        padding: 10px 24px;
        font-size: 0.95rem;
    }
    .hud-topbar {
        padding: 4px 12px;
    }
    .hud-subbar {
        padding: 4px 12px;
    }
    .speed-number {
        font-size: 1.1rem;
    }
    .hud-bottom-stack {
        bottom: 45px;
        left: 12px;
        right: auto;
        width: 320px;
    }
    .bottom-sheet {
        max-height: 80vh;
    }
}