:root {
    --bg-primary: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --bg-secondary: rgba(255, 255, 255, 0.05);
    --bg-tertiary: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #8892b0;
    --text-muted: #5a6275;
    --text-placeholder: #a0a8b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(100, 120, 150, 0.4);
    --input-bg: rgba(255, 255, 255, 0.08);
    --modal-bg: #1a1a2e;
    --card-bg: rgba(255, 255, 255, 0.05);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --accent-primary: #00d9ff;
    --accent-secondary: #00ff88;
    --btn-start-bg: rgba(0, 255, 136, 0.2);
    --btn-start-color: #00ff88;
    --btn-start-border: rgba(0, 255, 136, 0.3);
    --completed-timer-bg: rgba(0, 255, 136, 0.25);
    --completed-timer-color: #00ff88;
    --deadline-warning: #ffc107;
    --deadline-danger: #e74c3c;
    --add-form-bg: rgba(0, 217, 255, 0.08);
    --add-form-border: rgba(0, 217, 255, 0.4);
    --add-form-glow: rgba(0, 217, 255, 0.15);
    --pomodoro-color: #e74c3c;
    --pomodoro-break-color: #2ecc71;
}

[data-theme="light"] {
    --bg-primary: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 50%, #d5dbe3 100%);
    --bg-secondary: rgba(0, 0, 0, 0.03);
    --bg-tertiary: rgba(0, 0, 0, 0.08);
    --text-primary: #1a1a2e;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --text-placeholder: #718096;
    --border-color: rgba(0, 0, 0, 0.1);
    --border-hover: rgba(100, 100, 120, 0.3);
    --input-bg: rgba(255, 255, 255, 0.8);
    --modal-bg: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.8);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --accent-primary: #0096c8;
    --accent-secondary: #00b368;
    --btn-start-bg: rgba(0, 160, 100, 0.15);
    --btn-start-color: #008055;
    --btn-start-border: rgba(0, 160, 100, 0.4);
    --completed-timer-bg: rgba(0, 160, 100, 0.2);
    --completed-timer-color: #006644;
    --deadline-warning: #e65100;
    --deadline-danger: #c0392b;
    --add-form-bg: rgba(0, 150, 200, 0.08);
    --add-form-border: rgba(0, 150, 200, 0.5);
    --add-form-glow: rgba(0, 150, 200, 0.2);
    --pomodoro-color: #c0392b;
    --pomodoro-break-color: #27ae60;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    padding: 15px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

/* Верхняя панель */
.top-bar {
    position: fixed;
    top: 10px;
    right: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1000;
}

.theme-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--card-bg);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.theme-switcher span {
    font-size: 1rem;
}

.theme-toggle {
    position: relative;
    width: 40px;
    height: 22px;
    background: var(--bg-tertiary);
    border-radius: 11px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.theme-toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border-radius: 50%;
    transition: all 0.3s ease;
}

[data-theme="light"] .theme-toggle::after {
    left: 20px;
    background: var(--accent-secondary);
}

/* Предупреждения */
.warning {
    background: linear-gradient(135deg, #f39c12, #e74c3c);
    padding: 12px 15px;
    border-radius: 10px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 0.9rem;
}

.warning.hidden {
    display: none;
}

/* Заголовок */
header {
    text-align: center;
    margin-bottom: 15px;
    padding-top: 40px;
}

h1 {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

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

/* Pomodoro */
.pomodoro-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 15px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.pomodoro-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-pomodoro {
    background: rgba(231, 76, 60, 0.2);
    color: var(--pomodoro-color);
    border: 1px solid rgba(231, 76, 60, 0.3);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-pomodoro:hover {
    background: rgba(231, 76, 60, 0.3);
    transform: translateY(-1px);
}

.btn-pomodoro.hidden {
    display: none;
}

.pomodoro-presets {
    display: flex;
    gap: 4px;
}

.pomodoro-preset {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pomodoro-preset:hover {
    background: var(--bg-tertiary);
}

.pomodoro-preset.active {
    background: rgba(231, 76, 60, 0.2);
    border-color: var(--pomodoro-color);
    color: var(--pomodoro-color);
}

.pomodoro-timer {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(231, 76, 60, 0.15);
    padding: 10px 18px;
    border-radius: 10px;
    border: 1px solid rgba(231, 76, 60, 0.3);
    position: relative;
    overflow: hidden;
}

.pomodoro-timer.hidden {
    display: none;
}

.pomodoro-timer.break {
    background: rgba(46, 204, 113, 0.15);
    border-color: rgba(46, 204, 113, 0.3);
}

.pomodoro-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pomodoro-label {
    font-size: 0.7rem;
    color: var(--pomodoro-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pomodoro-timer.break .pomodoro-label {
    color: var(--pomodoro-break-color);
}

.pomodoro-time {
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--pomodoro-color);
}

.pomodoro-timer.break .pomodoro-time {
    color: var(--pomodoro-break-color);
}

.pomodoro-buttons {
    display: flex;
    gap: 6px;
}

.pomodoro-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: rgba(231, 76, 60, 0.3);
    width: 100%;
}

.pomodoro-progress-bar {
    height: 100%;
    background: var(--pomodoro-color);
    width: 0%;
    transition: width 1s linear;
}

.pomodoro-timer.break .pomodoro-progress-bar {
    background: var(--pomodoro-break-color);
}

.pomodoro-stats {
    margin-left: auto;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Статистика */
.stats {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 15px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 10px 6px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 2px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card:nth-child(1) .stat-value { color: var(--accent-primary); }
.stat-card:nth-child(2) .stat-value { color: #f39c12; }
.stat-card:nth-child(3) .stat-value { color: var(--accent-secondary); }
.stat-card:nth-child(4) .stat-value { color: #9b59b6; }
.stat-card:nth-child(5) .stat-value { color: #e6a000; }

/* График продуктивности */
.productivity-section {
    margin-bottom: 15px;
}

.productivity-toggle {
    width: 100%;
    padding: 10px 15px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.productivity-toggle:hover {
    border-color: var(--border-hover);
}

.productivity-toggle-icon {
    transition: transform 0.3s ease;
}

.productivity-section.expanded .productivity-toggle-icon {
    transform: rotate(180deg);
}

.productivity-content {
    display: none;
    margin-top: 10px;
    padding: 15px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

.productivity-section.expanded .productivity-content {
    display: block;
}

.chart-container {
    height: 150px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 6px;
    padding: 8px 0;
}

.chart-bar-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.chart-bar {
    width: 100%;
    max-width: 40px;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 4px 4px 0 0;
    min-height: 4px;
    transition: height 0.3s ease;
    position: relative;
    cursor: pointer;
}

.chart-bar:hover {
    opacity: 0.8;
}

.chart-bar-value {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.chart-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 10px;
    height: 10px;
    border-radius: 3px;
}

.legend-color.tasks {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.productivity-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 10px;
}

.prod-stat {
    text-align: center;
    padding: 10px;
    background: var(--bg-secondary);
    border-radius: 6px;
}

.prod-stat-value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent-primary);
}

.prod-stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 3px;
}

/* Форма добавления */
.add-form-wrapper {
    background: var(--add-form-bg);
    border: 2px solid var(--add-form-border);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: 0 0 20px var(--add-form-glow), 0 4px 12px var(--shadow-color);
    position: relative;
}

.add-form-wrapper::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    z-index: -1;
    opacity: 0.3;
    filter: blur(8px);
}

.add-form-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.add-form-title::before {
    content: '✨';
    font-size: 1rem;
}

.add-form {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.add-form input[type="text"] {
    flex: 1;
    min-width: 180px;
    padding: 12px 15px;
    border: 2px solid var(--accent-primary);
    border-radius: 10px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.add-form input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-secondary);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
}

.add-form input::placeholder {
    color: var(--text-placeholder);
    opacity: 1;
}

/* Категории */
.categories-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 15px;
}

.categories-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.categories-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.btn-add-category {
    background: none;
    border: 1px dashed var(--border-color);
    color: var(--text-muted);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-add-category:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.categories-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.category-tag {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    font-size: 0.8rem;
}

.category-color {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.category-name {
    color: var(--text-primary);
}

.category-delete {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
    padding: 0 2px;
}

.category-tag:hover .category-delete {
    opacity: 1;
}

.category-delete:hover {
    color: var(--deadline-danger);
}

.add-category-form {
    display: flex;
    gap: 6px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.add-category-form.hidden {
    display: none;
}

.add-category-form input[type="text"] {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.85rem;
}

.add-category-form input[type="text"]::placeholder {
    color: var(--text-placeholder);
}

.add-category-form input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.add-category-form input[type="color"] {
    width: 34px;
    height: 30px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    background: var(--input-bg);
}

/* Фильтр по категориям */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
}

.category-filter-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 15px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-filter-btn:hover {
    background: var(--bg-tertiary);
}

.category-filter-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #1a1a2e;
}

.category-filter-btn .category-color {
    width: 6px;
    height: 6px;
}

/* Селекты */
.priority-select,
.category-select {
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    min-width: 120px;
}

.priority-select:focus,
.category-select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.priority-select option,
.category-select option {
    background: var(--modal-bg);
    color: var(--text-primary);
}

.priority-select-small,
.category-select-small {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.8rem;
    cursor: pointer;
}

.priority-select-small:focus,
.category-select-small:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Кнопки */
.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #1a1a2e;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 217, 255, 0.3);
}

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

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

.btn-danger {
    background: rgba(231, 76, 60, 0.2);
    color: #e74c3c;
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.btn-danger:hover {
    background: rgba(231, 76, 60, 0.3);
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.85rem;
    border-radius: 6px;
}

.btn-start {
    background: var(--btn-start-bg);
    color: var(--btn-start-color);
    border: 1px solid var(--btn-start-border);
}

.btn-start:hover {
    background: rgba(0, 255, 136, 0.3);
}

.btn-pause {
    background: rgba(255, 193, 7, 0.2);
    color: #b38600;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.btn-pause:hover {
    background: rgba(255, 193, 7, 0.3);
}

.btn-complete {
    background: rgba(0, 217, 255, 0.2);
    color: var(--accent-primary);
    border: 1px solid rgba(0, 217, 255, 0.3);
}

.btn-complete:hover {
    background: rgba(0, 217, 255, 0.3);
}

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

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

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

.btn-subtasks:hover {
    background: var(--bg-secondary);
}

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

.btn-deadline:hover {
    background: rgba(255, 193, 7, 0.2);
    color: var(--deadline-warning);
    border-color: var(--deadline-warning);
}

.btn-delete {
    background: rgba(231, 76, 60, 0.2);
    color: #e74c3c;
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.btn-delete:hover {
    background: rgba(231, 76, 60, 0.3);
}

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

.btn-restore:hover {
    background: rgba(155, 89, 182, 0.2);
    color: #9b59b6;
}

.btn-icon {
    padding: 6px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.btn-save {
    background: var(--btn-start-bg);
    color: var(--btn-start-color);
}

.btn-cancel {
    background: rgba(231, 76, 60, 0.2);
    color: #e74c3c;
}

.subtask-counter {
    font-size: 0.7rem;
    opacity: 0.8;
}

/* Поиск и фильтры */
.search-filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.search-wrapper {
    position: relative;
    flex: 1;
    min-width: 180px;
}

.search-input {
    width: 100%;
    padding: 10px 15px;
    padding-left: 38px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.95rem;
}

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

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

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

.search-clear {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    display: none;
}

.search-clear.visible {
    display: block;
}

.filter-buttons {
    display: flex;
    gap: 4px;
}

.filter-btn {
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background: var(--bg-tertiary);
}

.filter-btn.active {
    background: rgba(100, 120, 150, 0.2);
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.search-results-info {
    padding: 8px 12px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--accent-primary);
    display: none;
}

.search-results-info.visible {
    display: block;
}

.highlight {
    background: rgba(255, 193, 7, 0.3);
    padding: 1px 3px;
    border-radius: 3px;
}

/* Тулбар */
.toolbar {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

/* Секции */
.section {
    margin-bottom: 20px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    user-select: none;
}

.section-header:hover {
    opacity: 0.8;
}

.section-title {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.section-count {
    background: var(--bg-tertiary);
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
}

.section-toggle {
    margin-left: auto;
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.section.collapsed .section-toggle {
    transform: rotate(-90deg);
}

.section.collapsed .task-list {
    display: none;
}

.task-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 20px;
}

/* Задачи */
.task {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 15px;
    transition: all 0.3s ease;
    cursor: default;
    position: relative;
    animation: slideUp 0.3s ease;
}

.task.dragging {
    opacity: 0.5;
    transform: scale(1.02);
}

.task.touch-dragging {
    opacity: 0.9;
    box-shadow: 0 10px 40px var(--shadow-color);
    z-index: 1000;
}

.task.drag-over {
    border-color: var(--accent-primary);
    border-style: dashed;
    background: rgba(0, 217, 255, 0.05);
}

.task:hover {
    border-color: var(--border-hover);
    box-shadow: 0 4px 15px var(--shadow-color);
}

.task.running {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 25px rgba(0, 255, 136, 0.1);
}

.task.completed {
    border-color: rgba(100, 120, 140, 0.3);
    background: rgba(100, 120, 140, 0.08);
}

.task.deadline-warning {
    border-color: var(--deadline-warning);
    box-shadow: 0 0 15px rgba(255, 193, 7, 0.2);
}

.task.deadline-danger {
    border-color: var(--deadline-danger);
    box-shadow: 0 0 15px rgba(231, 76, 60, 0.2);
    animation: deadlinePulse 2s infinite;
}

@keyframes deadlinePulse {
    0%, 100% { box-shadow: 0 0 15px rgba(231, 76, 60, 0.2); }
    50% { box-shadow: 0 0 25px rgba(231, 76, 60, 0.4); }
}

.task-placeholder {
    border: 2px dashed var(--accent-primary);
    border-radius: 12px;
    background: rgba(0, 217, 255, 0.05);
    margin-bottom: 10px;
}

.priority-indicator {
    display: none;
}

.priority-badge {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: 6px;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.task-category-badge {
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 6px;
    font-weight: 500;
    border: 1px solid currentColor;
}

.deadline-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 10px;
    margin-left: 6px;
}

.deadline-badge.normal {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.deadline-badge.warning {
    background: rgba(255, 193, 7, 0.2);
    color: var(--deadline-warning);
}

.deadline-badge.danger {
    background: rgba(231, 76, 60, 0.2);
    color: var(--deadline-danger);
}

.deadline-badge.overdue {
    background: rgba(231, 76, 60, 0.3);
    color: #fff;
}

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

.task-title-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
}

.task-title {
    font-size: 1rem;
    font-weight: 500;
    word-break: break-word;
    color: var(--text-primary);
}

.task.completed .task-title {
    color: var(--text-secondary);
}

.task-title-input {
    flex: 1;
    min-width: 140px;
    padding: 6px 10px;
    border: 2px solid var(--accent-primary);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 1rem;
}

.task-title-input::placeholder {
    color: var(--text-placeholder);
}

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

.edit-actions {
    display: flex;
    gap: 4px;
    margin-left: 8px;
}

.completed-badge {
    color: var(--btn-start-color);
    font-weight: bold;
    margin-right: 6px;
}

.task-timer {
    font-family: 'Courier New', monospace;
    font-size: 1.2rem;
    font-weight: bold;
    padding: 6px 12px;
    border-radius: 6px;
    min-width: 90px;
    text-align: center;
    flex-shrink: 0;
}

.task.running .task-timer {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    color: #1a1a2e;
    animation: timerPulse 1s infinite;
}

@keyframes timerPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.task:not(.running):not(.completed) .task-timer {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.task.completed .task-timer {
    background: var(--completed-timer-bg);
    color: var(--completed-timer-color);
}

.task-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.drag-handle {
    position: absolute;
    right: 12px;
    top: 12px;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: grab;
    opacity: 0.5;
    padding: 4px;
    user-select: none;
    touch-action: none;
}

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

.task:hover .drag-handle {
    opacity: 1;
}

/* Подзадачи */
.subtasks {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--border-color);
}

.subtasks-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.subtasks-title {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.subtasks-progress {
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 8px;
}

.subtask-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.subtask-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background: var(--bg-secondary);
    border-radius: 6px;
    transition: background 0.2s ease;
}

.subtask-item:hover {
    background: var(--bg-tertiary);
}

.subtask-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 3px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.subtask-checkbox:hover {
    border-color: var(--accent-primary);
}

.subtask-checkbox.checked {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

.subtask-checkbox.checked::after {
    content: '✓';
    color: #1a1a2e;
    font-size: 0.7rem;
    font-weight: bold;
}

.subtask-text {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.subtask-item.completed .subtask-text {
    text-decoration: line-through;
    color: var(--text-muted);
}

.subtask-delete {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    opacity: 0;
    transition: opacity 0.2s;
    padding: 2px 4px;
}

.subtask-item:hover .subtask-delete {
    opacity: 1;
}

.subtask-delete:hover {
    color: #e74c3c;
}

.add-subtask {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

.add-subtask input {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.8rem;
}

.add-subtask input::placeholder {
    color: var(--text-placeholder);
}

.add-subtask input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.add-subtask button {
    padding: 6px 10px;
    border: none;
    border-radius: 5px;
    background: var(--accent-primary);
    color: #1a1a2e;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.add-subtask button:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Пустое состояние */
.empty-state {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

/* Модальные окна */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--modal-bg);
    border-radius: 12px;
    padding: 25px;
    max-width: 450px;
    width: 90%;
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.3s ease;
}

.modal-content.modal-small {
    max-width: 380px;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.modal-title {
    font-size: 1.15rem;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 4px;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    margin-bottom: 15px;
}

.modal-body textarea {
    width: 100%;
    height: 180px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    resize: vertical;
}

.modal-body textarea::placeholder {
    color: var(--text-placeholder);
}

.modal-body textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* Модальное окно дедлайна */
.deadline-options {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
}

.deadline-quick-btn {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.deadline-quick-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #1a1a2e;
}

.deadline-custom {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.deadline-custom label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.deadline-input-modal {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.deadline-input-modal:focus {
    outline: none;
    border-color: var(--accent-primary);
}

[data-theme="light"] .deadline-input-modal::-webkit-calendar-picker-indicator {
    filter: invert(0);
}

.deadline-input-modal::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
}

/* Футер */
.footer {
    text-align: center;
    padding: 25px 15px;
    margin-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.8rem;
}

.footer a {
    color: var(--accent-primary);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Анимации */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

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

/* Выделение текста */
::selection {
    background: var(--accent-primary);
    color: #1a1a2e;
}

/* Адаптивность */
@media (max-width: 768px) {
    h1 {
        font-size: 1.5rem;
    }

    .pomodoro-section {
        flex-direction: column;
        align-items: stretch;
    }

    .pomodoro-controls {
        justify-content: center;
    }

    .pomodoro-timer {
        justify-content: center;
    }

    .pomodoro-stats {
        margin-left: 0;
        text-align: center;
    }

    .productivity-stats {
        grid-template-columns: 1fr;
    }

    .chart-container {
        height: 120px;
    }

    .stats {
        grid-template-columns: repeat(5, 1fr);
        gap: 4px;
    }

    .stat-card {
        padding: 8px 4px;
    }

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

    .stat-label {
        font-size: 0.6rem;
    }
}

@media (max-width: 600px) {
    body {
        padding: 8px;
    }

    h1 {
        font-size: 1.4rem;
    }

    header {
        padding-top: 50px;
        margin-bottom: 10px;
    }

    .top-bar {
        top: 8px;
        right: 8px;
    }

    .theme-switcher {
        padding: 5px 10px;
    }

    .add-form {
        flex-direction: column;
    }

    .add-form input[type="text"],
    .priority-select,
    .category-select {
        width: 100%;
        min-width: unset;
    }

    .task-header {
        flex-direction: column;
        gap: 8px;
    }

    .task-timer {
        align-self: flex-start;
    }

    .task-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .task-actions .btn,
    .task-actions select {
        width: 100%;
        justify-content: center;
    }

    .toolbar {
        flex-direction: column;
    }

    .toolbar .btn {
        width: 100%;
    }

    .filter-buttons {
        width: 100%;
        justify-content: space-between;
    }

    .filter-btn {
        flex: 1;
        text-align: center;
        padding: 8px 6px;
    }

    .search-filter-bar {
        flex-direction: column;
    }

    .search-wrapper {
        width: 100%;
    }

    .category-filter {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
        -webkit-overflow-scrolling: touch;
    }

    .category-filter-btn {
        flex-shrink: 0;
    }

    .deadline-options {
        flex-direction: column;
    }

    .modal-content {
        padding: 15px;
        margin: 8px;
        width: calc(100% - 16px);
    }

    .pomodoro-time {
        font-size: 1.3rem;
    }

    .stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }

    .stat-card {
        padding: 10px 6px;
    }

    .stat-value {
        font-size: 1.1rem;
    }

    .stat-label {
        font-size: 0.6rem;
    }
}

@media (max-width: 400px) {
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-card:nth-child(5) {
        grid-column: span 2;
    }
}

/* Печать */
@media print {
    .top-bar,
    .pomodoro-section,
    .add-form-wrapper,
    .categories-section,
    .search-filter-bar,
    .category-filter,
    .toolbar,
    .task-actions,
    .drag-handle,
    .footer {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .task {
        break-inside: avoid;
        border: 1px solid #ccc;
        margin-bottom: 10px;
    }

    .task-timer {
        background: #f0f0f0 !important;
        color: black !important;
    }
}