/* ===== CSS Variables & Theme System ===== */
:root {
    /* Cyberpunk Theme (Default) */
    --primary-color: #00f3ff;
    --secondary-color: #ff00ff;
    --accent-color: #00ff88;
    --bg-primary: #0a0a0f;
    --bg-secondary: rgba(20, 20, 30, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: rgba(0, 243, 255, 0.3);
    --shadow-neon: 0 0 20px rgba(0, 243, 255, 0.5);
    --shadow-glow: 0 0 40px rgba(0, 243, 255, 0.3);
}

/* Minimal White Theme */
[data-theme="minimal"] {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --accent-color: #10b981;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-glass: rgba(255, 255, 255, 0.9);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: rgba(37, 99, 235, 0.2);
    --shadow-neon: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* Anime Aesthetic Theme */
[data-theme="anime"] {
    --primary-color: #ff6b9d;
    --secondary-color: #c44569;
    --accent-color: #f8b500;
    --bg-primary: #fff5f5;
    --bg-secondary: rgba(255, 245, 245, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.8);
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --border-color: rgba(255, 107, 157, 0.3);
    --shadow-neon: 0 0 20px rgba(255, 107, 157, 0.4);
    --shadow-glow: 0 10px 30px rgba(255, 107, 157, 0.2);
}

/* Terminal Hacker Theme */
[data-theme="terminal"] {
    --primary-color: #00ff00;
    --secondary-color: #00ffff;
    --accent-color: #ffff00;
    --bg-primary: #000000;
    --bg-secondary: rgba(0, 20, 0, 0.9);
    --bg-glass: rgba(0, 255, 0, 0.05);
    --text-primary: #00ff00;
    --text-secondary: #00cc00;
    --border-color: rgba(0, 255, 0, 0.5);
    --shadow-neon: 0 0 20px rgba(0, 255, 0, 0.8);
    --shadow-glow: 0 0 40px rgba(0, 255, 0, 0.4);
}

/* Pastel Soft UI Theme */
[data-theme="pastel"] {
    --primary-color: #a8e6cf;
    --secondary-color: #ffd3b6;
    --accent-color: #ffaaa5;
    --bg-primary: #fefefe;
    --bg-secondary: #f9f9f9;
    --bg-glass: rgba(255, 255, 255, 0.9);
    --text-primary: #4a4a4a;
    --text-secondary: #8a8a8a;
    --border-color: rgba(168, 230, 207, 0.4);
    --shadow-neon: 0 4px 15px rgba(168, 230, 207, 0.3);
    --shadow-glow: 0 8px 25px rgba(168, 230, 207, 0.2);
}

/* ===== Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

.neon-body {
    background: var(--bg-primary);
    min-height: 100vh;
    position: relative;
}

/* Custom Cursor */
.neon-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    box-shadow: var(--shadow-neon);
    transition: width 0.2s, height 0.2s;
    display: none;
}

body:hover .neon-cursor {
    display: block;
}

/* ===== Sidebar ===== */
.glass-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    box-shadow: var(--shadow-glow);
    z-index: 1000;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.neon-title {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: var(--shadow-neon);
}

.sidebar-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.nav-item:hover,
.nav-item.active {
    color: var(--primary-color);
    background: rgba(255, 255, 255, 0.05);
}

.nav-item.active::before {
    transform: scaleY(1);
}

.nav-item i {
    font-size: 1.2rem;
    width: 24px;
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.user-stats {
    display: flex;
    justify-content: space-around;
}

.stat-item {
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ===== Main Content ===== */
.main-content {
    margin-left: 280px;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.glass-header {
    padding: 2rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.view-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.view-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.header-actions {
    display: flex;
    gap: 1rem;
}

.icon-btn {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-glass);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.icon-btn:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
    box-shadow: var(--shadow-neon);
    transform: translateY(-2px);
}

/* ===== Search & Filters ===== */
.search-container {
    padding: 1rem 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
    align-items: center;
}

.search-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-glass);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-neon);
}

.filter-panel {
    padding: 1.5rem 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.filter-select {
    padding: 0.75rem;
    padding-right: 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-glass);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300f3ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
}

.filter-select:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-neon);
}

.filter-select option {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 0.5rem;
}

/* ===== Views ===== */
.views-container {
    padding: 2rem;
}

.view {
    display: none;
}

.view.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Tasks List ===== */
.tasks-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.task-item {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    cursor: grab;
    position: relative;
    overflow: hidden;
}

.task-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.task-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-color);
}

.task-item:hover::before {
    transform: scaleY(1);
}

.task-item.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

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

.task-item.completed .task-name {
    text-decoration: line-through;
}

.task-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.task-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.task-checkbox:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-neon);
}

.task-checkbox.checked {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.task-checkbox.checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--bg-primary);
    font-weight: bold;
    font-size: 14px;
}

.task-content {
    flex: 1;
}

.task-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.task-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.task-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.task-priority {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.task-priority.high {
    background: rgba(255, 0, 0, 0.2);
    color: #ff4444;
    border: 1px solid rgba(255, 0, 0, 0.4);
}

.task-priority.medium {
    background: rgba(255, 165, 0, 0.2);
    color: #ffaa00;
    border: 1px solid rgba(255, 165, 0, 0.4);
}

.task-priority.low {
    background: rgba(0, 255, 0, 0.2);
    color: #44ff44;
    border: 1px solid rgba(0, 255, 0, 0.4);
}

.task-category {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.task-due-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.task-action-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.task-action-btn:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
    border-color: var(--primary-color);
}

.subtasks-list {
    margin-top: 1rem;
    padding-left: 2rem;
    border-left: 2px solid var(--border-color);
}

.subtask-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.subtask-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.hidden {
    display: none !important;
}

/* ===== Kanban Board ===== */
.kanban-board {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem 0;
}

.kanban-column {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.kanban-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.kanban-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.kanban-count {
    background: var(--primary-color);
    color: var(--bg-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.kanban-list {
    min-height: 400px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.kanban-task {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    cursor: grab;
    transition: all 0.3s ease;
}

.kanban-task:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.kanban-task.dragging {
    opacity: 0.5;
}

/* ===== Calendar ===== */
.calendar-container {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

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

.calendar-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.calendar-nav {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-glass);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.calendar-nav:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.calendar-day {
    aspect-ratio: 1;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem;
    background: var(--bg-glass);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.calendar-day:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
    transform: scale(1.05);
}

.calendar-day.other-month {
    opacity: 0.3;
}

.calendar-day.today {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-neon);
}

.calendar-day.has-tasks::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: var(--shadow-neon);
}

.calendar-day-header {
    font-weight: 600;
    text-align: center;
    padding: 0.5rem;
    border: none !important;
    background: transparent !important;
    cursor: default !important;
    color: var(--text-secondary);
}

/* ===== Pomodoro Timer ===== */
.pomodoro-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.pomodoro-timer {
    margin-bottom: 2rem;
}

.timer-circle {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.timer-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.timer-bg {
    fill: none;
    stroke: var(--bg-secondary);
    stroke-width: 8;
}

.timer-progress {
    fill: none;
    stroke: var(--primary-color);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 879.65;
    stroke-dashoffset: 879.65;
    transition: stroke-dashoffset 1s linear;
    filter: drop-shadow(var(--shadow-neon));
}

.timer-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.timer-display {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timer-label {
    font-size: 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.pomodoro-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.timer-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.timer-btn:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
    box-shadow: var(--shadow-neon);
    transform: scale(1.1);
}

.pomodoro-settings {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.timer-preset {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.preset-btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-glass);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.preset-btn:hover,
.preset-btn.active {
    background: var(--primary-color);
    color: var(--bg-primary);
    border-color: var(--primary-color);
}

.sound-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
}

.sound-options label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.sound-select {
    padding: 0.75rem 1rem;
    padding-right: 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-glass);
    color: var(--text-primary);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300f3ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    transition: all 0.3s ease;
}

.sound-select:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

.sound-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-neon);
}

.sound-select option {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 0.5rem;
}

.motivational-quote {
    padding: 1.5rem;
    background: var(--bg-glass);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    font-style: italic;
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* ===== Analytics ===== */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.analytics-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
}

.analytics-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-card-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== Settings ===== */
.settings-container {
    max-width: 800px;
    margin: 0 auto;
}

.settings-section {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.settings-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.theme-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.theme-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-glass);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-btn:hover,
.theme-btn.active {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-neon);
}

.theme-preview {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
}

.theme-preview.cyberpunk {
    background: linear-gradient(135deg, #00f3ff, #ff00ff);
}

.theme-preview.minimal {
    background: linear-gradient(135deg, #2563eb, #64748b);
}

.theme-preview.anime {
    background: linear-gradient(135deg, #ff6b9d, #f8b500);
}

.theme-preview.terminal {
    background: linear-gradient(135deg, #00ff00, #00ffff);
}

.theme-preview.pastel {
    background: linear-gradient(135deg, #a8e6cf, #ffaaa5);
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    padding: 1rem;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.toggle-label:hover {
    background: var(--bg-secondary);
}

.toggle-input {
    display: none;
}

.toggle-slider {
    width: 50px;
    height: 26px;
    background: var(--bg-secondary);
    border-radius: 13px;
    position: relative;
    transition: background 0.3s ease;
    border: 1px solid var(--border-color);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--text-secondary);
    top: 2px;
    left: 2px;
    transition: transform 0.3s ease;
}

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

.toggle-input:checked + .toggle-slider::before {
    transform: translateX(24px);
    background: var(--bg-primary);
}

.file-input {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-glass);
    color: var(--text-primary);
    margin-bottom: 1rem;
    width: 100%;
}

.settings-note {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* ===== Buttons ===== */
.btn-primary {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 12px;
    background: var(--primary-color);
    color: var(--bg-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-neon);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
}

/* ===== Floating Add Button ===== */
.floating-add-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: none;
    background: var(--primary-color);
    color: var(--bg-primary);
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    z-index: 999;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-add-btn:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: var(--shadow-neon);
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    animation: fadeIn 0.3s ease;
}

.glass-modal {
    background: var(--bg-glass);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-glow);
}

.modal-header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.close-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
    border-color: var(--primary-color);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    padding: 1rem 2rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-glass);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 2.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300f3ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    cursor: pointer;
}

.form-select:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-neon);
}

.form-select option {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 0.5rem;
}

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

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.subtasks-container {
    margin-top: 1rem;
}

.subtasks-list {
    margin: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.subtask-input {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.subtask-input input {
    flex: 1;
}

/* ===== AI Assistant ===== */
.ai-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.ai-tab {
    padding: 1rem 1.5rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.ai-tab:hover,
.ai-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.ai-panel {
    display: none;
}

.ai-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.voice-btn {
    width: 100%;
    padding: 2rem;
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    background: var(--bg-glass);
    color: var(--text-primary);
    font-size: 1.125rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.voice-btn:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
}

.voice-btn.recording {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--bg-primary);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(0, 243, 255, 0.7);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(0, 243, 255, 0);
    }
}

.voice-status {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    color: var(--text-secondary);
    text-align: center;
}

.breaker-results {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.breaker-step {
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--bg-glass);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
}

/* ===== Notifications ===== */
.notification-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.notification {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    min-width: 300px;
    box-shadow: var(--shadow-glow);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.notification.success {
    border-left: 4px solid var(--accent-color);
}

.notification.info {
    border-left: 4px solid var(--primary-color);
}

.notification.warning {
    border-left: 4px solid #ffaa00;
}

.notification.error {
    border-left: 4px solid #ff4444;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .glass-sidebar {
        transform: translateX(-100%);
    }

    .glass-sidebar.open {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .kanban-board {
        grid-template-columns: 1fr;
    }

    .analytics-grid {
        grid-template-columns: 1fr;
    }

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

    .floating-add-btn {
        bottom: 1rem;
        right: 1rem;
        width: 56px;
        height: 56px;
    }

    .timer-circle {
        width: 250px;
        height: 250px;
    }

    .timer-display {
        font-size: 2.5rem;
    }

    /* Landing page responsive */
    .landing-title {
        font-size: 2.5rem;
    }

    .landing-subtitle {
        font-size: 1.25rem;
    }

    .landing-hero {
        padding: 2rem 1.5rem;
    }

    .landing-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .landing-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .stat-card-landing {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

/* ===== Animations ===== */
@keyframes glow {
    0%, 100% {
        box-shadow: var(--shadow-neon);
    }
    50% {
        box-shadow: var(--shadow-glow);
    }
}

.glow-animation {
    animation: glow 2s ease-in-out infinite;
}

/* ===== Landing Page ===== */
.landing-view {
    min-height: calc(100vh - 100px);
    padding: 2rem;
    overflow-y: auto;
    background: transparent;
}

/* Only make landing view flex when it's the active view */
.landing-view.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.landing-container {
    max-width: 1200px;
    width: 100%;
    animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.landing-hero {
    text-align: center;
    margin-bottom: 4rem;
    padding: 3rem 2rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.landing-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.1;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.landing-logo {
    position: relative;
    z-index: 1;
    margin-bottom: 1.5rem;
}

.logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.3;
    border-radius: 50%;
    filter: blur(40px);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.5;
    }
}

.landing-title {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 40px rgba(0, 243, 255, 0.5);
    animation: glowText 2s ease-in-out infinite alternate;
}

@keyframes glowText {
    from {
        filter: drop-shadow(0 0 10px var(--primary-color));
    }
    to {
        filter: drop-shadow(0 0 20px var(--primary-color));
    }
}

.landing-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.landing-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 2.5rem;
    position: relative;
    z-index: 1;
}

.landing-cta {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    border: 2px solid var(--primary-color);
    border-radius: 16px;
    background: var(--primary-color);
    color: var(--bg-primary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-neon);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.landing-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.landing-cta:hover::before {
    left: 100%;
}

.landing-cta:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-glow);
}

.landing-cta.secondary {
    background: transparent;
    color: var(--primary-color);
}

.landing-cta.secondary:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
}

.landing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-color);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--bg-primary);
    box-shadow: var(--shadow-neon);
    position: relative;
    z-index: 1;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.landing-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.stat-card-landing {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card-landing:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-color);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.landing-cta-footer {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: var(--shadow-glow);
}

.landing-cta-footer p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Landing page animations */
.landing-features .feature-card {
    animation: fadeInUp 0.8s ease backwards;
}

.landing-features .feature-card:nth-child(1) {
    animation-delay: 0.1s;
}

.landing-features .feature-card:nth-child(2) {
    animation-delay: 0.2s;
}

.landing-features .feature-card:nth-child(3) {
    animation-delay: 0.3s;
}

.landing-features .feature-card:nth-child(4) {
    animation-delay: 0.4s;
}

.landing-features .feature-card:nth-child(5) {
    animation-delay: 0.5s;
}

.landing-features .feature-card:nth-child(6) {
    animation-delay: 0.6s;
}

.landing-stats .stat-card-landing {
    animation: fadeInUp 0.8s ease backwards;
}

.landing-stats .stat-card-landing:nth-child(1) {
    animation-delay: 0.2s;
}

.landing-stats .stat-card-landing:nth-child(2) {
    animation-delay: 0.4s;
}

.landing-stats .stat-card-landing:nth-child(3) {
    animation-delay: 0.6s;
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}