/* ═══════════════════════════════════════════════════════════════
   Reminder App — Design System
   Dark theme with glassmorphism, micro-animations, mobile-first
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ─── CSS Custom Properties ──────────────────────────────────── */
:root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #161625;
    --bg-card: rgba(26, 26, 46, 0.85);
    --bg-card-hover: rgba(30, 30, 55, 0.95);
    --bg-glass: rgba(255, 255, 255, 0.04);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);
    --bg-input: rgba(255, 255, 255, 0.06);
    --bg-input-focus: rgba(255, 255, 255, 0.1);

    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(99, 102, 241, 0.5);

    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.3);

    --success: #22c55e;
    --success-hover: #16a34a;
    --warning: #f97316;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --info: #3b82f6;

    --priority-low: #94a3b8;
    --priority-medium: #3b82f6;
    --priority-high: #f97316;
    --priority-urgent: #ef4444;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px var(--accent-glow);

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Animated ambient background */
.app-layout::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(168, 85, 247, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(34, 197, 94, 0.03) 0%, transparent 50%);
    animation: ambientFloat 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes ambientFloat {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(2%, -2%) rotate(1deg);
    }

    66% {
        transform: translate(-1%, 1%) rotate(-0.5deg);
    }
}

/* ─── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ─── Typography ─────────────────────────────────────────────── */
h1,
h2,
h3,
h4 {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 1.75rem;
}

h2 {
    font-size: 1.4rem;
}

h3 {
    font-size: 1.15rem;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    outline: none;
}

.btn:active {
    transform: scale(0.96);
}

.btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    color: #fff;
    box-shadow: 0 2px 12px var(--accent-glow);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }

    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover), #9b6ff6);
    box-shadow: var(--shadow-glow), 0 4px 20px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0) scale(0.97);
}

.btn-success {
    background: var(--success);
    color: #fff;
}

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

.btn-danger {
    background: var(--danger);
    color: #fff;
}

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

.btn-ghost {
    background: var(--bg-glass);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-xs {
    padding: 4px 8px;
    font-size: 0.75rem;
    border-radius: 6px;
}

.btn-icon {
    padding: 8px;
    min-width: 36px;
    min-height: 36px;
    border-radius: var(--radius-sm);
}

.btn-icon:hover {
    background: var(--bg-glass-hover);
}

.btn-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

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

.form-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--border-focus);
    background: var(--bg-input-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M1.5 5.5l6.5 6.5 6.5-6.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

@media (max-width: 500px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    backdrop-filter: blur(12px);
    transition: var(--transition);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
}

/* ─── Stat Cards ─────────────────────────────────────────────── */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.stat-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.12);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card.active {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.08);
    box-shadow: inset 0 0 20px rgba(99, 102, 241, 0.06);
}

.stat-card.active::before {
    opacity: 1;
}

.stat-card .stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 6px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.stat-card .stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 500;
}

/* ─── Reminder Cards ─────────────────────────────────────────── */
.reminder-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.reminder-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.reminder-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    transition: width 0.2s ease;
}

.reminder-card[data-priority="low"]::before {
    background: var(--priority-low);
}

.reminder-card[data-priority="medium"]::before {
    background: var(--priority-medium);
}

.reminder-card[data-priority="high"]::before {
    background: var(--priority-high);
}

.reminder-card[data-priority="urgent"]::before {
    background: var(--priority-urgent);
    animation: pulse-urgent 2s infinite;
}

.reminder-card[data-priority="urgent"] {
    border-color: rgba(239, 68, 68, 0.15);
}

@keyframes pulse-urgent {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 8px var(--priority-urgent);
    }

    50% {
        opacity: 0.6;
        box-shadow: none;
    }
}

.reminder-card:hover {
    background: var(--bg-glass-hover);
    border-color: rgba(255, 255, 255, 0.14);
    transform: translateX(2px);
}

.reminder-card:hover::before {
    width: 4px;
}

.reminder-card.done {
    opacity: 0.5;
}

.reminder-card.done .reminder-title {
    text-decoration: line-through;
}

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

.reminder-title {
    font-weight: 500;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.reminder-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.reminder-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: var(--transition);
}

.reminder-card:hover .reminder-actions {
    opacity: 1;
}

@media (max-width: 768px) {
    .reminder-actions {
        opacity: 1;
    }
}

/* ─── Category Pill ──────────────────────────────────────────── */
.category-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 500;
    color: #fff;
    white-space: nowrap;
}

/* ─── Priority Badge ─────────────────────────────────────────── */
.priority-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.priority-dot.low {
    background: var(--priority-low);
}

.priority-dot.medium {
    background: var(--priority-medium);
}

.priority-dot.high {
    background: var(--priority-high);
}

.priority-dot.urgent {
    background: var(--priority-urgent);
}

/* ─── Modal ──────────────────────────────────────────────────── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

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

.modal-header h3 {
    font-size: 1.1rem;
}

.modal-body {
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 0 24px 20px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Layout ─────────────────────────────────────────────────── */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--transition-slow);
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-header .logo {
    font-size: 1.5rem;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.sidebar-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.nav-section {
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-section-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 8px 8px 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.88rem;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.nav-item:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(99, 102, 241, 0.12);
    color: var(--accent);
    font-weight: 500;
}

.nav-item .nav-icon {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.nav-item .nav-badge {
    margin-left: auto;
    background: var(--bg-glass);
    padding: 1px 8px;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    color: var(--text-muted);
}

.sidebar-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 24px;
    max-width: 900px;
}

/* ─── Top Bar ────────────────────────────────────────────────── */
.top-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.search-box {
    flex: 1;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 10px 14px 10px 38px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    font-family: var(--font);
    font-size: 0.85rem;
    transition: var(--transition);
}

.user-menu-btn:hover {
    background: var(--bg-glass-hover);
}

.user-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 180px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 6px;
    z-index: 200;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.15s ease;
}

.user-dropdown.active {
    display: block;
}

.user-dropdown a,
.user-dropdown button {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 6px;
    transition: var(--transition);
    text-align: left;
}

.user-dropdown a:hover,
.user-dropdown button:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}

/* ─── Section Headers ────────────────────────────────────────── */
.section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 20px 0 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-header::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* ─── Empty State ────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.empty-state p {
    font-size: 0.9rem;
}

/* ─── Toast / Notifications ──────────────────────────────────── */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.85rem;
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease;
    backdrop-filter: blur(12px);
    max-width: 360px;
}

.toast.success {
    border-left: 3px solid var(--success);
}

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

.toast.info {
    border-left: 3px solid var(--info);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ─── Table ──────────────────────────────────────────────────── */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.88rem;
}

.data-table tr:hover td {
    background: var(--bg-glass);
}

/* ─── Tags ───────────────────────────────────────────────────── */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 500;
}

.tag-admin {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent);
}

.tag-user {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-secondary);
}

/* ─── Collapsible / More Options ─────────────────────────────── */
.more-options-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 0;
    color: var(--text-muted);
    font-size: 0.82rem;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
}

.more-options-toggle:hover {
    color: var(--accent);
}

.more-options-content {
    display: none;
}

.more-options-content.expanded {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* ─── Settings Page ──────────────────────────────────────────── */
.settings-section {
    margin-bottom: 24px;
}

.settings-section h3 {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ─── Responsive / Mobile ────────────────────────────────────── */
.mobile-toggle {
    display: none;
    padding: 8px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }

    .main-content {
        margin-left: 0;
        padding: 16px;
    }

    .stat-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .reminder-card {
        padding: 12px;
    }

    .top-bar {
        flex-wrap: wrap;
    }

    .modal {
        border-radius: var(--radius-lg);
        max-height: 95vh;
    }
}

/* ─── Animations ─────────────────────────────────────────────── */
.fade-in {
    animation: fadeIn 0.4s ease;
}

.slide-up {
    animation: slideUp 0.3s ease;
}

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

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ─── Login Page ─────────────────────────────────────────────── */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
    top: -250px;
    right: -250px;
    pointer-events: none;
    animation: floatOrb1 15s ease-in-out infinite;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.1), transparent 70%);
    bottom: -150px;
    left: -150px;
    pointer-events: none;
    animation: floatOrb2 18s ease-in-out infinite;
}

@keyframes floatOrb1 {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(-30px, 30px);
    }
}

@keyframes floatOrb2 {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(20px, -20px);
    }
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
    animation: slideUp 0.5s ease;
}

.login-card .logo-section {
    text-align: center;
    margin-bottom: 32px;
}

.login-card .logo-icon {
    font-size: 3rem;
    margin-bottom: 8px;
    display: block;
}

.login-card .logo-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.login-card .logo-subtitle {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 4px;
}

.login-card .form-group {
    margin-bottom: 16px;
}

.login-card .login-btn {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    margin-top: 8px;
}

.login-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--danger);
    font-size: 0.85rem;
    margin-bottom: 12px;
    display: none;
}

.login-error.show {
    display: block;
    animation: fadeIn 0.2s ease;
}

/* ─── Snooze Page ────────────────────────────────────────────── */
.snooze-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.snooze-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 32px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    backdrop-filter: blur(20px);
}

.snooze-card .reminder-preview {
    margin-bottom: 24px;
}

.snooze-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.snooze-btn {
    padding: 14px 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.snooze-btn:hover {
    background: var(--bg-glass-hover);
    border-color: var(--accent);
}

.snooze-btn.done-btn {
    grid-column: 1 / -1;
    background: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--success);
}

.snooze-btn.done-btn:hover {
    background: rgba(34, 197, 94, 0.25);
}

/* ─── Install PWA Banner ─────────────────────────────────────── */
.pwa-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    z-index: 500;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    animation: slideUp 0.3s ease;
}

.pwa-banner.show {
    display: flex;
}

.pwa-banner p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ─── Color Picker ───────────────────────────────────────────── */
.color-options {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.color-option {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.color-option:hover,
.color-option.selected {
    border-color: #fff;
    transform: scale(1.15);
}

/* ─── Recurrence display ─────────────────────────────────────── */
.recurrence-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.72rem;
    color: var(--accent);
}

/* ─── Shared badge ───────────────────────────────────────────── */
.shared-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 0.72rem;
    color: var(--warning);
}

/* ─── Overdue indicator ──────────────────────────────────────── */
.overdue-time {
    color: var(--danger) !important;
    font-weight: 500;
}