/* ═══════════════════════════════════════════════════════════════
   OBSIDIAN PRISM — FECdesk Camera PWA
   Material Design 3 Dark Theme
   ═══════════════════════════════════════════════════════════════ */

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

:root {
    /* M3 Dark Theme — Core Surface */
    --background: #11131c;
    --surface: #11131c;
    --surface-dim: #11131c;
    --surface-container-lowest: #0c0e17;
    --surface-container-low: #191b24;
    --surface-container: #1d1f29;
    --surface-container-high: #282933;
    --surface-container-highest: #32343e;
    --surface-bright: #373943;
    --surface-variant: #32343e;
    --surface-tint: #bbc3ff;

    /* M3 Primary */
    --primary: #bbc3ff;
    --primary-container: #3d5afe;
    --primary-fixed: #dee0ff;
    --primary-fixed-dim: #bbc3ff;
    --on-primary: #001d93;
    --on-primary-container: #f1f0ff;
    --inverse-primary: #2848ee;

    /* M3 Secondary */
    --secondary: #bbc3ff;
    --secondary-container: #37438b;
    --on-secondary-container: #a9b4ff;

    /* M3 Tertiary (warning/sync) */
    --tertiary: #ffb599;
    --tertiary-container: #c04500;
    --on-tertiary-container: #ffeee8;

    /* M3 Error */
    --error: #ffb4ab;
    --error-container: #93000a;

    /* M3 Text / On-Surface */
    --on-surface: #e1e1ef;
    --on-surface-variant: #c5c5d9;
    --on-background: #e1e1ef;
    --outline: #8e8fa2;
    --outline-variant: #444656;

    /* Computed */
    --glass-header: rgba(17, 19, 28, 0.6);
    --glass-nav: rgba(29, 31, 41, 0.95);
    --glass-badge: rgba(40, 41, 51, 0.7);
    --fab-gradient: linear-gradient(135deg, #bbc3ff 0%, #3d5afe 100%);

    /* Spacing */
    --radius-sm: 0.125rem;
    --radius-md: 0.25rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--background);
    color: var(--on-surface);
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    line-height: 1.35;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-width: 500px;
    margin: 0 auto;
    position: relative;
}

/* ═══════════════════════════════════════════════════════════════
   MATERIAL SYMBOLS
   ═══════════════════════════════════════════════════════════════ */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* ═══════════════════════════════════════════════════════════════
   GLASS EFFECTS
   ═══════════════════════════════════════════════════════════════ */
.glass-panel {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: var(--glass-header);
}

.glass-effect {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: var(--glass-badge);
}

/* ═══════════════════════════════════════════════════════════════
   SCREENS
   ═══════════════════════════════════════════════════════════════ */
.screen {
    flex-direction: column;
    height: 100%;
}

/* ═══════════════════════════════════════════════════════════════
   LOGIN SCREEN
   ═══════════════════════════════════════════════════════════════ */
.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background);
    position: relative;
    overflow: hidden;
}

/* Subtle ambient glow */
.login-screen::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 50% 30%, rgba(61, 90, 254, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.login-content {
    text-align: center;
    padding: 32px 24px;
    width: 100%;
    max-width: 360px;
    position: relative;
    z-index: 1;
}

.login-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--fab-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 32px rgba(61, 90, 254, 0.3);
}

.login-logo-icon {
    font-size: 40px;
    color: var(--on-primary-container);
}

.login-title {
    font-family: 'Manrope', sans-serif;
    font-size: 28px;
    font-weight: 800;
    color: var(--on-surface);
    margin-bottom: 8px;
    letter-spacing: -0.025em;
}

.login-title-accent {
    color: var(--primary);
}

.login-subtitle {
    color: var(--on-surface-variant);
    font-size: 14px;
    margin-bottom: 32px;
    opacity: 0.7;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.input-group {
    text-align: left;
}

.input-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--on-surface-variant);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.input-icon {
    font-size: 16px;
    color: var(--primary);
}

.input-group input {
    width: 100%;
    padding: 14px 16px;
    background: var(--surface-container);
    border: 1.5px solid var(--outline-variant);
    border-radius: var(--radius-lg);
    color: var(--on-surface);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    transition: all 0.2s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(187, 195, 255, 0.1);
}

.input-group input::placeholder {
    color: var(--outline);
    opacity: 0.6;
}

.login-error {
    color: var(--error);
    font-size: 13px;
    font-weight: 500;
    min-height: 20px;
    text-align: center;
}

.btn-login {
    width: 100%;
    padding: 16px 24px;
    background: var(--fab-gradient);
    border: none;
    border-radius: var(--radius-lg);
    color: var(--on-primary-container);
    font-family: 'Manrope', sans-serif;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
    box-shadow: 0 4px 16px rgba(61, 90, 254, 0.3);
}

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

.btn-login:disabled {
    opacity: 0.6;
    pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════════
   HEADER — Glass Panel
   ═══════════════════════════════════════════════════════════════ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    max-width: 500px;
    margin: 0 auto;
    z-index: 50;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(68, 70, 86, 0.1);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-cloud-icon {
    font-size: 24px;
    color: var(--primary);
}

.header-cloud-icon.syncing {
    color: var(--tertiary);
    animation: spin 1.5s linear infinite;
}

.header-cloud-icon.error {
    color: var(--error);
}

.header-title {
    font-family: 'Manrope', sans-serif;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--on-surface);
}

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

.employee-name {
    font-size: 12px;
    color: var(--on-surface-variant);
    font-weight: 500;
}

.settings-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: none;
    background: transparent;
    color: var(--on-surface-variant);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.settings-btn:hover {
    background: var(--surface-container-high);
}

.settings-btn:active {
    background: var(--error-container);
    color: white;
}

/* ═══════════════════════════════════════════════════════════════
   EVENT BADGE — Glass overlay on camera
   ═══════════════════════════════════════════════════════════════ */
.event-badge-container {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    max-width: 500px;
    margin: 0 auto;
    z-index: 40;
    display: flex;
    justify-content: center;
    padding: 8px 20px;
    pointer-events: none;
}

.event-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.15);
    pointer-events: auto;
    cursor: pointer;
    transition: all 0.2s;
}

.event-badge:active {
    transform: scale(0.97);
}

.event-badge-icon {
    font-size: 16px;
    color: var(--primary-fixed-dim);
}

.event-badge-text {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-fixed-dim);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════════
   CAMERA
   ═══════════════════════════════════════════════════════════════ */
.camera-container {
    flex: 1;
    position: relative;
    background: #000;
    overflow: hidden;
    transform: translateZ(0);
    contain: strict;
    margin-top: 56px; /* header height */
}

#videoPreview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translateZ(0);
    will-change: transform;
    backface-visibility: hidden;
}

.camera-overlay {
    position: absolute;
    inset: 24px;
    pointer-events: none;
}

.corner {
    position: absolute;
    width: 28px;
    height: 28px;
    border-color: var(--primary);
    border-style: solid;
    border-width: 0;
    opacity: 0.5;
}

.corner.top-left { top: 0; left: 0; border-top-width: 2px; border-left-width: 2px; border-top-left-radius: var(--radius-lg); }
.corner.top-right { top: 0; right: 0; border-top-width: 2px; border-right-width: 2px; border-top-right-radius: var(--radius-lg); }
.corner.bottom-left { bottom: 0; left: 0; border-bottom-width: 2px; border-left-width: 2px; border-bottom-left-radius: var(--radius-lg); }
.corner.bottom-right { bottom: 0; right: 0; border-bottom-width: 2px; border-right-width: 2px; border-bottom-right-radius: var(--radius-lg); }

.flash {
    position: absolute;
    inset: 0;
    background: white;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.08s;
}

.flash.active { opacity: 1; }

/* Camera Status Badges */
.camera-status-bar {
    position: absolute;
    top: 12px;
    left: 12px;
    right: 12px;
    display: flex;
    justify-content: space-between;
    z-index: 10;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
    color: var(--on-surface);
}

.status-icon {
    font-size: 18px;
    color: var(--primary);
}

.status-icon.syncing {
    color: var(--tertiary);
    animation: spin 1.5s linear infinite;
}

.status-icon.error {
    color: var(--error);
}

/* Camera Side Actions */
.camera-side-actions {
    position: fixed;
    left: 12px;
    bottom: 160px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 50;
}

.side-action-btn {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    border: none;
    color: var(--on-surface);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    position: relative;
}

.side-action-btn .material-symbols-outlined {
    font-size: 22px;
}

.side-action-btn:active {
    transform: scale(0.92);
}

.side-action-btn:disabled {
    opacity: 0.3;
    pointer-events: none;
}

.side-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 18px;
    height: 18px;
    background: var(--error);
    border-radius: var(--radius-full);
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    color: white;
    font-family: 'Inter', sans-serif;
}

/* ═══════════════════════════════════════════════════════════════
   FAB — Floating Action Button
   ═══════════════════════════════════════════════════════════════ */
.fab-container {
    position: fixed;
    right: calc(50% - 32px);
    bottom: 80px; /* above bottom nav */
    z-index: 50;
}

.fab-button {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    border: none;
    background: var(--fab-gradient);
    color: var(--on-primary-container);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 32px rgba(61, 90, 254, 0.4);
    transition: all 0.2s ease;
}

.fab-button:hover {
    transform: scale(1.08);
}

.fab-button:active {
    transform: scale(0.95);
}

.fab-button:disabled {
    opacity: 0.3;
    pointer-events: none;
    box-shadow: none;
}

.fab-icon {
    font-size: 28px;
}

/* Upload Progress Overlay */
.upload-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
}

.upload-overlay-content {
    text-align: center;
    padding: 32px;
    border-radius: var(--radius-lg);
    min-width: 280px;
}

.upload-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(187, 195, 255, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

.upload-text {
    font-family: 'Manrope', sans-serif;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.progress-bar-container {
    width: 100%;
    height: 4px;
    background: rgba(187, 195, 255, 0.15);
    border-radius: var(--radius-full);
    margin: 12px 0;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--fab-gradient);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.upload-detail {
    font-size: 12px;
    color: var(--on-surface-variant);
    margin-top: 4px;
}

/* ═══════════════════════════════════════════════════════════════
   BOTTOM NAVIGATION — Glass
   ═══════════════════════════════════════════════════════════════ */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 500px;
    margin: 0 auto;
    z-index: 50;
    background: var(--glass-nav);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1.5px solid rgba(68, 70, 86, 0.1);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 8px 24px 12px;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 16px;
    transition: all 0.2s;
    color: var(--on-surface-variant);
}

.nav-item.active {
    color: var(--primary);
}

.nav-item:hover {
    color: var(--primary);
}

.nav-icon {
    font-size: 24px;
}

.nav-label {
    font-size: 10px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════════
   PANELS (Event Selector, Gallery) — Slide-up
   ═══════════════════════════════════════════════════════════════ */
.panel {
    position: fixed;
    inset: 0;
    background: var(--background);
    z-index: 100;
    display: flex;
    flex-direction: column;
    max-width: 500px;
    margin: 0 auto;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.panel.active {
    transform: translateY(0);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(68, 70, 86, 0.2);
}

.panel-title {
    font-family: 'Manrope', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--on-surface);
}

.panel-close {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: none;
    background: var(--surface-container);
    color: var(--on-surface);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.panel-close:hover {
    background: var(--surface-container-high);
}

.panel-actions {
    padding: 12px 20px;
    border-bottom: 1px solid rgba(68, 70, 86, 0.1);
}

.refresh-events-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(187, 195, 255, 0.1);
    border: 1px solid rgba(187, 195, 255, 0.2);
    border-radius: var(--radius-lg);
    color: var(--primary);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
    justify-content: center;
}

.refresh-events-btn:hover {
    background: rgba(187, 195, 255, 0.15);
}

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

.refresh-events-btn.spinning .material-symbols-outlined {
    animation: spin 0.6s linear;
}

.panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 12px 16px;
}

.panel-settings-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    background: var(--surface-container-low);
    border-bottom: 1px solid rgba(68, 70, 86, 0.1);
    font-size: 13px;
}

.wifi-toggle-label {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--on-surface-variant);
    cursor: pointer;
}

/* M3 Toggle Switch */
.toggle-switch {
    position: relative;
    width: 36px;
    height: 20px;
    flex-shrink: 0;
}

.toggle-input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--surface-container-highest);
    border: 2px solid var(--outline);
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    left: 3px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--outline);
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toggle-input:checked + .toggle-slider {
    background: var(--primary);
    border-color: var(--primary);
}

.toggle-input:checked + .toggle-slider::before {
    width: 14px;
    height: 14px;
    left: 16px;
    background: var(--on-primary);
}

.toggle-input:focus-visible + .toggle-slider {
    box-shadow: 0 0 0 3px rgba(187, 195, 255, 0.2);
}

.upload-summary {
    color: var(--outline);
    font-size: 12px;
}

.panel-footer {
    display: flex;
    gap: 12px;
    padding: 14px 20px;
    border-top: 1px solid rgba(68, 70, 86, 0.2);
}

/* ═══════════════════════════════════════════════════════════════
   EVENT LIST
   ═══════════════════════════════════════════════════════════════ */
.event-section-label {
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-fixed-dim);
    padding: 16px 4px 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.event-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 12px;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s;
    border: 1.5px solid transparent;
    margin-bottom: 4px;
}

.event-list-item:hover {
    background: var(--surface-container);
}

.event-list-item:active {
    transform: scale(0.98);
}

.event-list-item.selected {
    background: rgba(187, 195, 255, 0.08);
    border-color: rgba(187, 195, 255, 0.25);
}

.event-item-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--surface-container-high);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.event-item-icon .material-symbols-outlined {
    font-size: 20px;
    color: var(--primary);
}

.event-item-info {
    flex: 1;
    min-width: 0;
}

.event-item-title {
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--on-surface);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.event-item-time {
    font-size: 12px;
    color: var(--on-surface-variant);
    opacity: 0.7;
}

.event-item-status {
    font-size: 8px;
    color: var(--error);
}

.event-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--on-surface-variant);
}

.event-empty .material-symbols-outlined {
    font-size: 48px;
    opacity: 0.3;
    margin-bottom: 12px;
    display: block;
}

/* ═══════════════════════════════════════════════════════════════
   GALLERY GRID
   ═══════════════════════════════════════════════════════════════ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface-container);
    transition: transform 0.3s;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:active img {
    transform: scale(1.05);
}

.gallery-item .delete-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    border: none;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
}

.gallery-item:hover .delete-btn,
.gallery-item:active .delete-btn {
    opacity: 1;
}

.gallery-item .delete-btn .material-symbols-outlined {
    font-size: 16px;
}

/* Status badge on gallery item */
.gallery-item .item-status-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    padding: 2px;
    border-radius: var(--radius-full);
}

.gallery-item .item-status-badge .material-symbols-outlined {
    font-size: 16px;
}

.gallery-item.uploaded .item-status-badge .material-symbols-outlined {
    color: var(--primary);
}

.gallery-item:not(.uploaded) .item-status-badge .material-symbols-outlined {
    color: var(--tertiary);
}

.source-badge {
    position: absolute;
    bottom: 4px;
    right: 4px;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    font-family: 'Inter', sans-serif;
}

.source-badge.hd { background: rgba(34, 197, 94, 0.8); color: white; }
.source-badge.cam { background: rgba(0, 0, 0, 0.6); color: #fff; }

.size-badge {
    position: absolute;
    bottom: 4px;
    left: 4px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 9px;
    font-weight: 600;
    padding: 2px 5px;
    border-radius: var(--radius-full);
    font-family: 'Inter', sans-serif;
}

/* ═══════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════ */
.btn-action {
    flex: 1;
    padding: 14px 20px;
    border-radius: var(--radius-lg);
    border: none;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-action .material-symbols-outlined {
    font-size: 20px;
}

.btn-primary {
    background: var(--fab-gradient);
    color: var(--on-primary-container);
    box-shadow: 0 2px 12px rgba(61, 90, 254, 0.2);
}

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

.btn-secondary {
    background: var(--surface-container-high);
    color: var(--on-surface-variant);
}

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

#importBtn {
    background: #66BB6A;
    color: #1B5E20;
}

#importBtn:active {
    background: #4CAF50;
    transform: scale(0.97);
}

/* ═══════════════════════════════════════════════════════════════
   TOAST
   ═══════════════════════════════════════════════════════════════ */
.toast-container {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
    max-width: 480px;
    width: 90%;
}

.toast {
    background: var(--surface-container-high);
    border-left: 3px solid var(--primary);
    padding: 12px 18px;
    border-radius: var(--radius-lg);
    font-size: 13px;
    font-weight: 500;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    animation: toastIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--on-surface);
}

.toast.success { border-left-color: #22c55e; }
.toast.error { border-left-color: var(--error); }
.toast.warning { border-left-color: var(--tertiary); }

@keyframes toastIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════════════
   EMPTY STATE
   ═══════════════════════════════════════════════════════════════ */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--on-surface-variant);
    grid-column: 1 / -1;
}

.empty-state .material-symbols-outlined {
    font-size: 56px;
    opacity: 0.3;
    margin-bottom: 12px;
    display: block;
}

.empty-state p {
    font-size: 14px;
    opacity: 0.6;
}

/* ═══════════════════════════════════════════════════════════════
   AUTO-UPLOAD STATUS
   ═══════════════════════════════════════════════════════════════ */
.auto-upload-status {
    position: fixed;
    top: 64px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
}

/* ═══════════════════════════════════════════════════════════════
   INSTALL PROMPT
   ═══════════════════════════════════════════════════════════════ */
.install-prompt {
    position: fixed;
    bottom: 70px;
    left: 8px;
    right: 8px;
    max-width: 484px;
    margin: 0 auto;
    background: var(--surface-container);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid rgba(187, 195, 255, 0.15);
    border-radius: var(--radius-lg);
    z-index: 150;
    transform: translateY(calc(100% + 80px));
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.install-prompt.active { transform: translateY(0); }

.install-icon {
    flex-shrink: 0;
}

.install-icon .material-symbols-outlined {
    font-size: 32px;
    color: var(--primary);
}

.install-message { flex: 1; min-width: 0; }
.install-message h3 {
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}
.install-message p { font-size: 12px; color: var(--on-surface-variant); }

.btn-install {
    flex-shrink: 0;
    padding: 8px 16px;
    background: var(--fab-gradient);
    color: var(--on-primary-container);
    border: none;
    border-radius: var(--radius-lg);
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-install:active { transform: scale(0.95); }

.install-close {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    border: none;
    background: transparent;
    color: var(--on-surface-variant);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ═══════════════════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════════════════ */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

/* ═══════════════════════════════════════════════════════════════
   SCROLLBAR STYLING
   ═══════════════════════════════════════════════════════════════ */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--surface-container-highest);
    border-radius: var(--radius-full);
}

/* ═══════════════════════════════════════════════════════════════
   SAFE AREA (iPhone notch etc.)
   ═══════════════════════════════════════════════════════════════ */
@supports (padding: env(safe-area-inset-bottom)) {
    .bottom-nav {
        padding-bottom: calc(12px + env(safe-area-inset-bottom));
    }
    .install-prompt {
        bottom: calc(70px + env(safe-area-inset-bottom));
    }
}


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



/* ═══════════════════════════════════════════════════════════════════════════════
   VIDEO RECORDING
   ═══════════════════════════════════════════════════════════════════════════════ */

/* Recording indicator */
.recording-indicator {
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(220, 38, 38, 0.85);
    backdrop-filter: blur(12px);
    padding: 8px 16px;
    border-radius: 20px;
    z-index: 50;
    animation: pulse-recording 1.5s ease-in-out infinite;
}

.rec-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #fff;
    animation: blink 1s steps(1) infinite;
}

.rec-time {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    font-family: 'Inter', monospace;
    letter-spacing: 0.5px;
}

@keyframes pulse-recording {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* Video mode FAB */
.fab-button.video-mode {
    background: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%);
    box-shadow: 0 6px 24px rgba(220, 38, 38, 0.4);
}

.fab-button.recording {
    background: linear-gradient(135deg, #DC2626 0%, #991B1B 100%);
    animation: pulse-record-btn 0.8s ease-in-out infinite;
    box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.5);
}

@keyframes pulse-record-btn {
    0% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(220, 38, 38, 0); }
    100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}

/* Video toggle active state */
#toggleVideoMode.active-mode {
    background: rgba(220, 38, 38, 0.3) !important;
    border-color: rgba(220, 38, 38, 0.5) !important;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   VIDEO PREVIEW MODAL
   ═══════════════════════════════════════════════════════════════════════════════ */

.video-preview-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.video-preview-content {
    width: 100%;
    max-width: 500px;
    border-radius: 24px;
    padding: 20px;
    background: var(--md-surface-container);
}

.video-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.video-preview-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--md-on-surface);
    margin: 0;
}

#videoPreviewPlayer {
    width: 100%;
    border-radius: 12px;
    background: #000;
    max-height: 300px;
}

.video-preview-info {
    text-align: center;
    font-size: 13px;
    color: var(--md-on-surface-variant);
    margin: 12px 0;
}

.video-preview-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   GALLERY VIDEO ITEMS
   ═══════════════════════════════════════════════════════════════════════════════ */

.gallery-item.video-item {
    position: relative;
}

.video-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.3);
    color: #fff;
    pointer-events: none;
    border-radius: inherit;
}

.source-badge.vid {
    background: rgba(220, 38, 38, 0.8);
    color: #fff;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   CALENDAR VIEW
   ═══════════════════════════════════════════════════════════════════════════════ */

.calendar-range-label {
    font-size: 13px;
    color: var(--md-on-surface-variant);
    margin-left: auto;
}

.calendar-day-group {
    margin-bottom: 16px;
}

.calendar-day-group.today {
    position: relative;
}

.calendar-day-group.today::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--md-primary);
    border-radius: 2px;
}

.calendar-day-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--md-outline-variant, rgba(255,255,255,0.08));
}

.calendar-day-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--md-on-surface);
    text-transform: capitalize;
}

.calendar-day-date {
    font-size: 13px;
    color: var(--md-on-surface-variant);
}

.calendar-today-badge {
    font-size: 11px;
    font-weight: 700;
    color: var(--md-primary);
    background: rgba(var(--md-primary-rgb, 99, 102, 241), 0.15);
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: auto;
}

.calendar-event-card {
    background: var(--md-surface-container-high, rgba(255,255,255,0.06));
    border-radius: 12px;
    padding: 12px 14px;
    margin-bottom: 8px;
    transition: background 0.2s;
}

.calendar-event-time {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--md-on-surface-variant);
    margin-bottom: 4px;
}

.calendar-event-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--md-on-surface);
    margin-bottom: 6px;
}

.calendar-event-age {
    font-weight: 400;
    font-size: 13px;
    color: var(--md-on-surface-variant);
}

.calendar-event-details {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.calendar-detail {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 12px;
    color: var(--md-on-surface-variant);
}

.calendar-package {
    padding: 2px 8px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 11px;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   GUEST COUNT DIALOG
   ═══════════════════════════════════════════════════════════════════════════════ */

.guest-count-dialog {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.guest-count-content {
    width: 100%;
    max-width: 380px;
    border-radius: 24px;
    padding: 28px 24px;
    background: var(--md-surface-container);
    text-align: center;
}

.guest-count-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--md-on-surface);
    margin: 12px 0 4px;
}

.guest-count-subtitle {
    font-size: 14px;
    color: var(--md-on-surface-variant);
    margin: 0;
}

.guest-count-input-group {
    margin: 20px 0;
}

.guest-count-input-group input {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    border: 2px solid var(--md-outline-variant, rgba(255,255,255,0.15));
    background: var(--md-surface-container-low, rgba(0,0,0,0.2));
    color: var(--md-on-surface);
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.guest-count-input-group input:focus {
    border-color: var(--md-primary);
}

.guest-count-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   BOTTOM NAV - 4 items adjustment
   ═══════════════════════════════════════════════════════════════════════════════ */

.bottom-nav {
    grid-template-columns: repeat(4, 1fr) !important;
}