/**
 * TodoCal — Bold Typography Design System
 * A calendar-based task management app
 */

/* ========================================
   CSS VARIABLES (Design Tokens)
   ======================================== */
:root {
    /* Colors - Dark Mode */
    --background: #0A0A0A;
    --foreground: #FAFAFA;
    --muted: #1A1A1A;
    --muted-foreground: #737373;
    --accent: #FF3D00;
    --accent-foreground: #0A0A0A;
    --border: #262626;
    --border-hover: #404040;
    --input: #1A1A1A;
    --card: #0F0F0F;
    --card-foreground: #FAFAFA;
    --ring: #FF3D00;

    /* Typography */
    --font-sans: "Inter Tight", "Inter", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", monospace;

    /* Tracking */
    --tracking-tighter: -0.06em;
    --tracking-tight: -0.04em;
    --tracking-normal: -0.01em;
    --tracking-wide: 0.05em;
    --tracking-wider: 0.1em;

    /* Animation */
    --transition-fast: 150ms;
    --transition-normal: 200ms;
    --easing: cubic-bezier(0.25, 0, 0, 1);
}

/* ========================================
   RESET & BASE
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    letter-spacing: var(--tracking-normal);
    min-height: 100vh;
}

/* Subtle noise texture */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.015;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    z-index: 9999;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: 1rem;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: var(--tracking-tight);
}

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 2rem; }
.text-4xl { font-size: 2.5rem; }

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    transition: all var(--transition-fast) var(--easing);
    position: relative;
    white-space: nowrap;
}

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

.btn:active {
    transform: translateY(1px);
}

.btn:disabled {
    pointer-events: none;
    opacity: 0.5;
}

/* Primary Button */
.btn-primary {
    color: var(--accent);
    padding: 0.625rem 0;
    background: none;
}

.btn-primary .btn-underline {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(1);
    transform-origin: left;
    transition: transform var(--transition-fast) var(--easing);
}

.btn-primary:hover .btn-underline {
    transform: scaleX(1.1);
}

/* Danger Button */
.btn-danger {
    color: #ff4757;
    padding: 0.625rem 0;
    background: none;
}

.btn-danger .btn-underline {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #ff4757;
    transform: scaleX(1);
    transform-origin: left;
    transition: transform var(--transition-fast) var(--easing);
}

.btn-danger:hover .btn-underline {
    transform: scaleX(1.1);
}

/* Secondary Button */
.btn-secondary {
    color: var(--foreground);
    padding: 0.625rem 1.5rem;
    border: 1px solid var(--foreground);
    background: transparent;
}

.btn-secondary:hover {
    background: var(--foreground);
    color: var(--background);
}

/* Full Width */
.btn-full {
    width: 100%;
}

/* ========================================
   FORMS
   ======================================== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--muted-foreground);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--input);
    border: 1px solid var(--border);
    color: var(--foreground);
    transition: border-color var(--transition-fast) var(--easing);
    border-radius: 0;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--muted-foreground);
}

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

/* ========================================
   ALERTS
   ======================================== */
.alert {
    padding: 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    border-left: 3px solid;
}

.alert-error {
    background: rgba(255, 61, 0, 0.1);
    border-color: var(--accent);
    color: var(--accent);
}

.alert-success {
    background: rgba(0, 255, 100, 0.1);
    border-color: #00ff64;
    color: #00ff64;
}

/* ========================================
   AUTH PAGES
   ======================================== */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.auth-container {
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
}

.auth-header {
    text-align: center;
    margin-bottom: 3rem;
}

.auth-title {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: var(--tracking-tighter);
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    color: var(--muted-foreground);
    font-size: 1rem;
}

.auth-form {
    background: var(--card);
    padding: 2.5rem;
    border: 1px solid var(--border);
}

.form-title {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: var(--tracking-wider);
    color: var(--muted-foreground);
    margin-bottom: 2rem;
}

.auth-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.link {
    color: var(--accent);
    position: relative;
}

.link::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast) var(--easing);
}

.link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.auth-decoration {
    position: fixed;
    bottom: -5rem;
    right: -3rem;
    font-size: 20rem;
    font-weight: 800;
    color: var(--border);
    opacity: 0.3;
    pointer-events: none;
    line-height: 1;
    letter-spacing: var(--tracking-tighter);
}

/* ========================================
   APP LAYOUT
   ======================================== */
.app-layout {
    display: grid;
    grid-template-columns: 60px 280px 1fr;
    min-height: 100vh;
}

@media (max-width: 1024px) {
    .app-layout {
        grid-template-columns: 60px 1fr;
    }
    .left-panel {
        display: none;
    }
}

@media (max-width: 640px) {
    .app-layout {
        grid-template-columns: 1fr;
    }
    .sidebar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 100;
        flex-direction: row;
        height: 60px;
        border-top: 1px solid var(--border);
        border-right: none;
    }
    .sidebar-header,
    .sidebar-footer {
        flex-direction: row;
    }
    .sidebar-nav {
        flex-direction: row;
    }
    .logo {
        display: none;
    }
    .main-content {
        padding-bottom: 80px;
    }
}

/* ========================================
   SIDEBAR
   ======================================== */
.sidebar {
    background: var(--card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1rem 0;
}

.sidebar-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.logo svg {
    display: block;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted-foreground);
    transition: color var(--transition-fast) var(--easing);
    position: relative;
}

.nav-item:hover,
.nav-item.active {
    color: var(--foreground);
}

.nav-item.active::before {
    content: "";
    position: absolute;
    left: -1rem;
    width: 3px;
    height: 24px;
    background: var(--accent);
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ========================================
   LEFT PANEL
   ======================================== */
.left-panel {
    background: var(--background);
    border-right: 1px solid var(--border);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    overflow-y: auto;
}

/* Search Box */
.search-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--muted);
    border: 1px solid var(--border);
}

.search-box svg {
    color: var(--muted-foreground);
    flex-shrink: 0;
}

.search-box input {
    flex: 1;
    background: none;
    border: none;
    color: var(--foreground);
    font-size: 0.875rem;
}

.search-box input:focus {
    outline: none;
}

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

/* Calendar Widget */
.calendar-widget {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 1rem;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.month-name {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: var(--tracking-wide);
}

.calendar-nav {
    display: flex;
    gap: 0.25rem;
}

.cal-nav-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted-foreground);
    transition: color var(--transition-fast) var(--easing);
}

.cal-nav-btn:hover {
    color: var(--foreground);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.cal-day-name {
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--muted-foreground);
    text-align: center;
    padding: 0.5rem 0;
}

.cal-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--foreground);
    position: relative;
    transition: all var(--transition-fast) var(--easing);
}

a.cal-day:hover {
    background: var(--muted);
}

.cal-day.other-month {
    color: var(--border);
}

.cal-day.today {
    border: 1px solid var(--accent);
}

.cal-day.selected {
    background: var(--accent);
    color: var(--accent-foreground);
    font-weight: 600;
}

.cal-day.has-tasks .task-dot {
    position: absolute;
    bottom: 4px;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
}

.cal-day.selected .task-dot {
    background: var(--accent-foreground);
}

/* Quick Stats */
.quick-stats {
    display: flex;
    gap: 1rem;
}

.stat-item {
    flex: 1;
    background: var(--muted);
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-icon {
    font-size: 1rem;
}

.stat-label {
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--muted-foreground);
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.stat-value.overdue {
    color: var(--accent);
}

/* Shortcuts */
.shortcuts-section {
    flex: 1;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--muted-foreground);
    margin-bottom: 0.75rem;
}

.add-btn {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted-foreground);
    border: 1px solid var(--border);
    font-size: 1rem;
    transition: all var(--transition-fast) var(--easing);
}

.add-btn:hover {
    color: var(--foreground);
    border-color: var(--foreground);
}

.shortcuts-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.shortcut-item {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--muted-foreground);
    transition: all var(--transition-fast) var(--easing);
    border-left: 2px solid transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.shortcut-item:hover {
    color: var(--foreground);
    background: var(--muted);
}

.shortcut-item.active {
    color: var(--foreground);
    border-left-color: var(--accent);
}

.shortcut-text {
    flex: 1;
}

.delete-shortcut {
    display: none;
    width: 24px;
    height: 24px;
    border-radius: 0;
    background: transparent;
    color: #404040;
    padding: 0;
    transition: all var(--transition-fast) var(--easing);
    align-items: center;
    justify-content: center;
}

.shortcut-item:hover .delete-shortcut {
    display: flex;
}

.delete-shortcut:hover {
    color: var(--accent);
}

.remove-shortcut {
    display: none;
    width: 18px;
    height: 18px;
    border-radius: 0;
    background: var(--border);
    color: var(--muted-foreground);
    font-size: 1rem;
    line-height: 1;
    padding: 0;
    transition: all var(--transition-fast) var(--easing);
}

.shortcut-item:hover .remove-shortcut {
    display: flex;
    align-items: center;
    justify-content: center;
}

.remove-shortcut:hover {
    background: var(--accent);
    color: var(--accent-foreground);
}

/* User Info */
.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--accent);
    color: var(--accent-foreground);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.user-name {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* ========================================
   MAIN CONTENT
   ======================================== */
.main-content {
    padding: 1.5rem 2rem;
    overflow-y: auto;
    max-width: 800px;
}

/* Task Input */
.task-input-container {
    margin-bottom: 2rem;
}

.task-input-form {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 1rem;
    transition: border-color var(--transition-fast) var(--easing);
}

.task-input-form:focus-within {
    border-color: var(--border-hover);
}

.task-input {
    width: 100%;
    background: none;
    border: none;
    color: var(--foreground);
    font-size: 1rem;
    resize: none;
    min-height: 24px;
    line-height: 1.5;
}

.task-input:focus {
    outline: none;
}

.task-input::placeholder {
    color: var(--muted-foreground);
}

.task-input-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.task-options {
    display: flex;
    gap: 0.5rem;
}

.option-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted-foreground);
    border: 1px solid var(--border);
    transition: all var(--transition-fast) var(--easing);
}

.option-btn:hover,
.option-btn.active {
    color: var(--accent);
    border-color: var(--accent);
}

.save-btn {
    padding: 0.5rem 1.25rem;
    background: var(--accent);
    color: var(--accent-foreground);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    transition: opacity var(--transition-fast) var(--easing);
}

.save-btn:hover {
    opacity: 0.9;
}

/* Date Header */
.date-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.date-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--muted-foreground);
    display: block;
    margin-bottom: 0.25rem;
}

.context-label {
    color: var(--accent);
    font-weight: 700;
}

.date-title {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.today-badge {
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: var(--tracking-wider);
    background: var(--accent);
    color: var(--accent-foreground);
    padding: 0.25rem 0.5rem;
}

/* Live Clock */
.live-clock {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent);
    padding: 0.25rem 0.75rem;
    background: rgba(255, 61, 0, 0.1);
    letter-spacing: var(--tracking-wide);
    margin-left: 0.5rem;
}

.task-count {
    text-align: right;
}

.count-number {
    font-size: 2rem;
    font-weight: 800;
    font-family: var(--font-mono);
    line-height: 1;
    display: block;
}

.count-label {
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--muted-foreground);
}

/* Tasks Container */
.tasks-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--muted-foreground);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-text {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.empty-hint {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* Task Card */
.task-card {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 1rem;
    transition: border-color var(--transition-fast) var(--easing);
}

.task-card:hover {
    border-color: var(--border-hover);
}

.task-card.completed {
    opacity: 0.6;
}

.task-card.completed .task-title {
    text-decoration: line-through;
    color: var(--muted-foreground);
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.task-time {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--muted-foreground);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.task-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity var(--transition-fast) var(--easing);
}

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

.task-action-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted-foreground);
    transition: color var(--transition-fast) var(--easing);
}

.task-action-btn:hover {
    color: var(--foreground);
}

.task-body {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

/* Custom Checkbox */
.task-checkbox {
    position: relative;
    display: flex;
    cursor: pointer;
    flex-shrink: 0;
}

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

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast) var(--easing);
}

.task-checkbox:hover .checkbox-custom {
    border-color: var(--accent);
}

.task-checkbox input:checked + .checkbox-custom {
    background: var(--accent);
    border-color: var(--accent);
}

.task-checkbox input:checked + .checkbox-custom::after {
    content: "";
    width: 6px;
    height: 10px;
    border: solid var(--accent-foreground);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) translateY(-1px);
}

.task-checkbox input:focus-visible + .checkbox-custom {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Task Content */
.task-content {
    flex: 1;
    min-width: 0;
}

.task-title {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: 0.25rem;
}

.task-description {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

.task-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--accent);
    background: rgba(255, 61, 0, 0.1);
    padding: 0.125rem 0.5rem;
}

/* Priority Indicator */
.priority-indicator {
    width: 4px;
    height: 100%;
    min-height: 24px;
    flex-shrink: 0;
}

.priority-indicator.priority-low {
    background: #4CAF50;
}

.priority-indicator.priority-medium {
    background: #FFC107;
}

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

/* ========================================
   MODALS
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal) var(--easing);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 1.5rem;
    min-width: 280px;
    max-width: 90vw;
    transform: translateY(20px);
    transition: transform var(--transition-normal) var(--easing);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-large {
    min-width: 400px;
}

.modal-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
}

.modal-message {
    color: var(--foreground);
    font-size: 0.9375rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.modal-message span {
    color: var(--accent);
    font-weight: 600;
}

/* Priority Options */
.priority-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.priority-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--muted);
    color: var(--foreground);
    font-size: 0.875rem;
    transition: all var(--transition-fast) var(--easing);
    text-align: left;
    width: 100%;
}

.priority-option:hover {
    background: var(--border);
}

.priority-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.priority-dot.low { background: #4CAF50; }
.priority-dot.medium { background: #FFC107; }
.priority-dot.high { background: var(--accent); }

/* Time Picker */
.time-picker {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--input);
    border: 1px solid var(--border);
    color: var(--foreground);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.time-picker:focus {
    outline: none;
    border-color: var(--accent);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* ========================================
   SCROLLBAR
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background);
}

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

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

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 1rem 1.25rem;
    min-width: 280px;
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.2s var(--easing);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.toast.success {
    border-left: 3px solid #4CAF50;
}

.toast.error {
    border-left: 3px solid #ff4757;
}

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

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.toast.success .toast-icon { color: #4CAF50; }
.toast.error .toast-icon { color: #ff4757; }
.toast.info .toast-icon { color: var(--accent); }

.toast-message {
    flex: 1;
    font-size: 0.875rem;
    color: var(--foreground);
}

.toast-close {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted-foreground);
    transition: color var(--transition-fast) var(--easing);
}

.toast-close:hover {
    color: var(--foreground);
}

.toast.hiding {
    animation: slideOut 0.2s var(--easing) forwards;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* ========================================
   KEYBOARD SHORTCUTS MODAL
   ======================================== */
.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.shortcut-key-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--muted);
}

.shortcut-key-item kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    padding: 0 0.5rem;
    background: var(--background);
    border: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--foreground);
}

.shortcut-key-item span {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* ========================================
   EXPORT/IMPORT MODAL
   ======================================== */
.export-import-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    background: none;
    color: var(--muted-foreground);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all var(--transition-fast) var(--easing);
}

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

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

.tab-content {
    padding: 1rem 0;
}

.tab-content.hidden {
    display: none;
}

.file-upload-area {
    border: 2px dashed var(--border);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast) var(--easing);
}

.file-upload-area:hover {
    border-color: var(--accent);
}

.file-upload-area.dragover {
    border-color: var(--accent);
    background: rgba(255, 61, 0, 0.05);
}

.file-upload-area svg {
    color: var(--muted-foreground);
    margin-bottom: 0.75rem;
}

.file-upload-area span {
    display: block;
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* ========================================
   STATS DASHBOARD
   ======================================== */
.stats-dashboard {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--muted);
    padding: 1rem;
    text-align: center;
}

.stat-card-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--foreground);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-card-value.accent {
    color: var(--accent);
}

.stat-card-label {
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--muted-foreground);
}

.stats-chart {
    margin-bottom: 1.5rem;
}

.stats-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--muted-foreground);
    margin-bottom: 0.75rem;
}

.progress-bar {
    height: 8px;
    background: var(--muted);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    transition: width 0.5s var(--easing);
}

.progress-label {
    display: block;
    text-align: right;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--muted-foreground);
    margin-top: 0.5rem;
}

.week-chart {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
    height: 100px;
    align-items: end;
}

.week-bar {
    background: var(--muted);
    position: relative;
    min-height: 4px;
    transition: all var(--transition-fast) var(--easing);
}

.week-bar .bar-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--accent);
    transition: height 0.3s var(--easing);
}

.week-bar .bar-label {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.625rem;
    color: var(--muted-foreground);
    text-transform: uppercase;
}

.week-bar .bar-value {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.625rem;
    font-family: var(--font-mono);
    color: var(--foreground);
}

/* ========================================
   QUICK NOTES
   ======================================== */
.quick-notes-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.quick-notes-input {
    width: 100%;
    min-height: 80px;
    padding: 0.75rem;
    background: var(--muted);
    border: 1px solid var(--border);
    color: var(--foreground);
    font-size: 0.875rem;
    resize: vertical;
    transition: border-color var(--transition-fast) var(--easing);
}

.quick-notes-input:focus {
    outline: none;
    border-color: var(--accent);
}

.quick-notes-input::placeholder {
    color: var(--muted-foreground);
}

/* ========================================
   SECTION ACTIONS
   ======================================== */
.section-actions {
    display: flex;
    gap: 0.25rem;
}

/* ========================================
   DELETED SHORTCUTS LIST
   ======================================== */
.deleted-shortcuts-list {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 1rem;
}

.deleted-shortcut-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    background: var(--muted);
    margin-bottom: 0.5rem;
}

.deleted-shortcut-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
}

.deleted-shortcut-item span {
    flex: 1;
    font-size: 0.875rem;
}

.no-deleted-shortcuts {
    color: var(--muted-foreground);
    font-size: 0.875rem;
    text-align: center;
    padding: 1rem;
}

/* ========================================
   REPEAT OPTIONS
   ======================================== */
.repeat-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.repeat-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--muted);
    color: var(--foreground);
    font-size: 0.875rem;
    transition: all var(--transition-fast) var(--easing);
    text-align: left;
    width: 100%;
}

.repeat-option:hover {
    background: var(--border);
}

.repeat-option svg {
    color: var(--muted-foreground);
}

/* ========================================
   TAGS INPUT
   ======================================== */
.tags-input-field {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--input);
    border: 1px solid var(--border);
    color: var(--foreground);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.tags-input-field:focus {
    outline: none;
    border-color: var(--accent);
}

.tags-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag-suggestion {
    padding: 0.25rem 0.75rem;
    background: var(--muted);
    color: var(--muted-foreground);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    cursor: pointer;
    transition: all var(--transition-fast) var(--easing);
}

.tag-suggestion:hover {
    background: var(--accent);
    color: var(--accent-foreground);
}

/* ========================================
   TASK REPEAT BADGE
   ======================================== */
.task-repeat-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    background: rgba(255, 61, 0, 0.1);
    color: var(--accent);
    font-size: 0.625rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    margin-left: 0.5rem;
}

.task-repeat-badge svg {
    width: 10px;
    height: 10px;
}

/* ========================================
   SWIPE ACTIONS (Mobile)
   ======================================== */
.task-card {
    position: relative;
    overflow: hidden;
    touch-action: pan-y;
}

.swipe-actions {
    position: absolute;
    top: 0;
    bottom: 0;
    display: flex;
    align-items: center;
}

.swipe-actions.left {
    left: 0;
    transform: translateX(-100%);
}

.swipe-actions.right {
    right: 0;
    transform: translateX(100%);
}

.swipe-action-btn {
    height: 100%;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--foreground);
}

.swipe-action-btn.complete {
    background: #4CAF50;
}

.swipe-action-btn.delete {
    background: #ff4757;
}

/* ========================================
   DRAG AND DROP
   ======================================== */
.task-card.dragging {
    opacity: 0.5;
    border: 2px dashed var(--accent);
}

.task-card.drag-over {
    border-top: 2px solid var(--accent);
}

.drag-handle {
    cursor: grab;
    padding: 0.5rem;
    color: var(--muted-foreground);
    touch-action: none;
}

.drag-handle:active {
    cursor: grabbing;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 640px) {
    .main-content {
        padding: 1rem;
    }
    
    .date-title {
        font-size: 1.25rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .live-clock {
        font-size: 0.75rem;
        padding: 0.2rem 0.5rem;
        margin-left: 0;
    }
    
    .count-number {
        font-size: 1.5rem;
    }
    
    .modal-large {
        min-width: auto;
        width: calc(100vw - 2rem);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .auth-decoration {
        display: none;
    }
    
    .auth-title {
        font-size: 2rem;
    }
    
    .shortcuts-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-dashboard {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .toast-container {
        left: 1rem;
        right: 1rem;
        bottom: 80px;
    }
    
    .toast {
        min-width: auto;
    }
    
    .notes-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   NOTES PAGE
   ======================================== */
.notes-main {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.notes-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.notes-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: var(--tracking-tighter);
    text-transform: uppercase;
}

.notes-search {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--muted);
    border: 1px solid var(--border);
    padding: 0.75rem 1rem;
    margin-bottom: 2rem;
}

.notes-search input {
    flex: 1;
    background: none;
    border: none;
    color: var(--foreground);
    font-size: 0.875rem;
}

.notes-search input:focus {
    outline: none;
}

.notes-search svg {
    color: var(--muted-foreground);
}

.notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.note-card {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast) var(--easing);
    display: flex;
    flex-direction: column;
    min-height: 150px;
}

.note-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.note-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.note-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.3;
}

.note-card-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity var(--transition-fast) var(--easing);
}

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

.note-action-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted-foreground);
    transition: color var(--transition-fast) var(--easing);
}

.note-action-btn:hover {
    color: var(--foreground);
}

.note-card-content {
    flex: 1;
    font-size: 0.875rem;
    color: var(--muted-foreground);
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

.note-card-date {
    font-size: 0.75rem;
    color: var(--muted-foreground);
    margin-top: 0.75rem;
    font-family: var(--font-mono);
}

/* Note colors */
.note-color-default { background: var(--card); }
.note-color-red { background: #2d1b1b; border-color: #5c2626; }
.note-color-orange { background: #2d221b; border-color: #5c3a1d; }
.note-color-yellow { background: #2d2a1b; border-color: #5c4c1f; }
.note-color-green { background: #1b2d1c; border-color: #1e4620; }
.note-color-blue { background: #1b222d; border-color: #1e3a5f; }
.note-color-purple { background: #251b2d; border-color: #3d1e5c; }

/* Note modal */
.note-title-input {
    width: 100%;
    background: none;
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--foreground);
    font-size: 1.25rem;
    font-weight: 600;
    padding: 0.75rem 0;
    margin-bottom: 1rem;
}

.note-title-input:focus {
    outline: none;
    border-color: var(--accent);
}

.note-title-input::placeholder {
    color: var(--muted-foreground);
}

.note-content-input {
    width: 100%;
    background: var(--muted);
    border: 1px solid var(--border);
    color: var(--foreground);
    font-size: 0.9375rem;
    padding: 1rem;
    resize: vertical;
    min-height: 200px;
    line-height: 1.6;
}

.note-content-input:focus {
    outline: none;
    border-color: var(--accent);
}

.note-content-input::placeholder {
    color: var(--muted-foreground);
}

.note-color-picker {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 1rem 0;
}

.color-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--muted-foreground);
    margin-right: 0.5rem;
}

.color-option {
    width: 28px;
    height: 28px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast) var(--easing);
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.active {
    border-color: var(--foreground);
}

.notes-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

/* ========================================
   SEARCH MODAL
   ======================================== */
.search-modal-input {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--muted);
    border: 1px solid var(--border);
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
}

.search-modal-input:focus-within {
    border-color: var(--accent);
}

.search-modal-input input {
    flex: 1;
    background: none;
    border: none;
    color: var(--foreground);
    font-size: 1rem;
}

.search-modal-input input:focus {
    outline: none;
}

.search-modal-input svg {
    color: var(--muted-foreground);
}

.search-results {
    max-height: 400px;
    overflow-y: auto;
}

.search-hint {
    text-align: center;
    color: var(--muted-foreground);
    padding: 2rem;
}

.search-no-results {
    text-align: center;
    color: var(--muted-foreground);
    padding: 2rem;
}

.search-section {
    margin-bottom: 1.5rem;
}

.search-section h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--muted-foreground);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.search-result-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    cursor: pointer;
    transition: background var(--transition-fast) var(--easing);
    text-decoration: none;
    color: inherit;
}

.search-result-item:hover {
    background: var(--muted);
}

.search-result-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.search-result-content {
    flex: 1;
    min-width: 0;
}

.search-result-title {
    display: block;
    font-weight: 500;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-meta {
    display: block;
    font-size: 0.75rem;
    color: var(--muted-foreground);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ========================================
   NOTIFICATION PERMISSION
   ======================================== */
.notification-permission {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.notification-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--muted);
    border: 1px solid var(--border);
    color: var(--muted-foreground);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    transition: all var(--transition-fast) var(--easing);
}

.notification-btn:hover {
    background: var(--border);
    color: var(--foreground);
}