/* ============================================
   MAIN.CSS — Consolidated design
   Fusion: beautiful.css + premium.css + compact-modern.css
   ============================================ */

:root {
    --premium-gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --premium-gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --premium-gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --premium-gradient-warning: linear-gradient(135deg, #f2994a 0%, #f2c94c 100%);
    --premium-gradient-danger: linear-gradient(135deg, #eb3349 0%, #f45c43 100%);
    --premium-gradient-info: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --premium-shadow-sm: 0 2px 8px rgba(102, 126, 234, 0.15);
    --premium-shadow-md: 0 4px 20px rgba(102, 126, 234, 0.2);
    --premium-shadow-lg: 0 10px 40px rgba(102, 126, 234, 0.25);
    --premium-radius-sm: 8px;
    --premium-radius-md: 12px;
    --premium-radius-lg: 16px;
    --premium-radius-xl: 24px;
    --premium-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --premium-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
    background-attachment: fixed;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(6, 182, 212, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.todo-list {
    background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
    border-radius: var(--premium-radius-xl);
    box-shadow: var(--premium-shadow-lg);
    border: 1px solid rgba(102, 126, 234, 0.08);
    overflow: hidden;
    margin-left: auto !important;
    margin-right: auto !important;
    width: fit-content !important;
    max-width: 100%;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.5s ease-out 0.2s both;
}

.empty-state {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: var(--premium-radius-lg);
    padding: 3rem 2rem;
    position: relative;
    overflow: hidden;
}

.empty-state::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
    animation: emptyStatePulse 4s ease-in-out infinite;
}

@keyframes emptyStatePulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.empty-state svg {
    filter: drop-shadow(0 8px 16px rgba(99, 102, 241, 0.2));
    animation: floatIcon 3s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.empty-state p {
    font-size: 1.25rem;
    font-weight: 600;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.empty-subtitle {
    color: #94a3b8 !important;
    font-weight: 500 !important;
    background: none !important;
    -webkit-text-fill-color: #94a3b8 !important;
}

.todo-form-compact,
.todo-form-compact .form,
.todo-form-compact .input-group {
    position: relative;
    z-index: 100;
}

.todo-form-compact .form {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    border-radius: var(--premium-radius-xl);
    box-shadow: var(--premium-shadow-md);
    overflow: hidden;
}

.todo-form-compact .form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--premium-gradient-primary);
    background-size: 200% 100%;
    animation: gradientSlide 3s linear infinite;
}

@keyframes gradientSlide {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

.todo-form-compact .form:hover {
    box-shadow: var(--premium-shadow-lg);
}

.todo-form-compact .input-lg {
    border: 2px solid #e2e8f0;
    border-radius: var(--premium-radius-md);
    font-size: 1.1rem;
    font-weight: 500;
    background: #ffffff;
    transition: var(--premium-transition);
}

.todo-form-compact .input-lg:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15), var(--premium-shadow-sm);
    transform: translateY(-1px);
}

.todo-form-compact .input-lg::placeholder {
    color: #94a3b8;
    font-weight: 400;
}

.todo-form-compact .btn-primary {
    background: var(--premium-gradient-primary);
    border: none;
    border-radius: var(--premium-radius-md);
    box-shadow: var(--premium-shadow-md);
    position: relative;
    overflow: hidden;
    transition: var(--premium-transition);
}

.todo-form-compact .btn-primary::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;
}

.todo-form-compact .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--premium-shadow-lg);
}

.todo-form-compact .btn-primary:hover::before {
    left: 100%;
}

.todo-form-compact .btn-primary:active {
    transform: translateY(0) scale(0.98);
}

.todo-form-compact .priority-selector,
.todo-form .priority-selector {
    position: relative;
    z-index: 200;
}

.todo-form-compact .priority-dropdown,
.todo-form .priority-dropdown {
    position: fixed !important;
    z-index: 100001 !important;
    min-width: 180px;
    max-width: 250px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xs);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
}

.todo-form-compact .priority-dropdown.show,
.todo-form .priority-dropdown.show {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

.priority-selector .btn {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    font-weight: 600;
}

.priority-selector .btn:hover {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.priority-selector .btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.unified-filters-compact {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 252, 0.98) 100%);
    border-radius: var(--premium-radius-xl);
    border: 1px solid rgba(102, 126, 234, 0.1);
    box-shadow: var(--premium-shadow-sm);
    position: relative;
    overflow: hidden;
    padding-top: 4px;
}

.unified-filters-compact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--premium-gradient-primary);
}

.search-input {
    border: 2px solid #e2e8f0;
    border-radius: var(--premium-radius-md);
    background: #ffffff;
    font-weight: 500;
    transition: var(--premium-transition);
}

.search-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.priority-filter-btn,
.status-filter-btn {
    border-radius: var(--premium-radius-md) !important;
    border: 2px solid transparent !important;
    background: #ffffff !important;
    font-weight: 600 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: var(--premium-transition) !important;
    position: relative;
    overflow: hidden;
}

.priority-filter-btn::after,
.status-filter-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--premium-gradient-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 3px 3px 0 0;
}

.priority-filter-btn:hover,
.status-filter-btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: var(--premium-shadow-sm) !important;
}

.priority-filter-btn.active,
.status-filter-btn.active {
    background: var(--premium-gradient-primary) !important;
    color: white !important;
    box-shadow: var(--premium-shadow-md) !important;
    transform: translateY(-2px) !important;
}

.priority-filter-btn.active::after,
.status-filter-btn.active::after {
    width: 60%;
}

.priority-filter-btn .count,
.status-filter-btn .count {
    background: rgba(102, 126, 234, 0.1) !important;
    color: #667eea !important;
    font-weight: 700 !important;
    border-radius: 6px !important;
    padding: 2px 8px !important;
    transition: var(--premium-transition-fast);
}

.priority-filter-btn.active .count,
.status-filter-btn.active .count {
    background: rgba(255, 255, 255, 0.25) !important;
    color: white !important;
}

.todo-table {
    border-collapse: collapse;
}

.todo-table thead th {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    font-weight: 700;
    color: #475569;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 16px 12px;
    border-bottom: 2px solid #e2e8f0;
}

.todo-table thead th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--premium-gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.todo-table thead th:hover::after {
    opacity: 1;
}

.todo-table tbody tr {
    transition: var(--premium-transition);
}

.todo-table tbody tr:hover {
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.04) 0%, rgba(118, 75, 162, 0.02) 100%);
    box-shadow: inset 4px 0 0 #667eea;
}

.todo-table tbody tr:hover td {
    border-bottom-color: rgba(99, 102, 241, 0.1);
}

.todo-table tbody tr.priority-urgent:hover {
    box-shadow: inset 4px 0 0 #ef4444;
}

.todo-table tbody tr.priority-high:hover {
    box-shadow: inset 4px 0 0 #f59e0b;
}

.todo-table tbody tr.priority-medium:hover {
    box-shadow: inset 4px 0 0 #3b82f6;
}

.todo-table tbody tr.priority-low:hover {
    box-shadow: inset 4px 0 0 #10b981;
}

.todo-table tbody tr.completed {
    opacity: 0.5;
}

.todo-table tbody tr.completed:hover {
    opacity: 0.7;
}

.priority-badge-table {
    border-radius: var(--premium-radius-md) !important;
    font-weight: 700 !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
    padding: 6px 14px !important;
    border: 2px solid transparent !important;
    transition: var(--premium-transition) !important;
    position: relative;
    overflow: hidden;
}

.priority-badge-table::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.priority-badge-table:hover::before {
    left: 100%;
}

.priority-badge-table:hover {
    transform: translateY(-2px) scale(1.05) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.priority-badge-table.urgent {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%) !important;
    color: #dc2626 !important;
    border-color: #fecaca !important;
    animation: urgentPulse 2s ease-in-out infinite;
}

@keyframes urgentPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(220, 38, 38, 0); }
}

.priority-badge-table.high {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%) !important;
    color: #d97706 !important;
    border-color: #fde68a !important;
}

.priority-badge-table.medium {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%) !important;
    color: #2563eb !important;
    border-color: #bfdbfe !important;
}

.priority-badge-table.low {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%) !important;
    color: #059669 !important;
    border-color: #a7f3d0 !important;
}

.status-icon-container {
    border-radius: var(--premium-radius-md) !important;
    transition: var(--premium-transition);
    cursor: pointer;
}

.status-icon-container:hover {
    transform: scale(1.15);
    box-shadow: var(--premium-shadow-sm);
}

.todo-btn {
    border-radius: var(--premium-radius-md) !important;
    transition: var(--premium-transition) !important;
    position: relative;
    overflow: hidden;
}

.todo-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(102, 126, 234, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.todo-btn:active::after {
    width: 100px;
    height: 100px;
}

.todo-btn:hover {
    transform: translateY(-2px) scale(1.05) !important;
}

.todo-btn.delete:hover {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%) !important;
    border-color: #ef4444 !important;
    color: #dc2626 !important;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2) !important;
}

.todo-btn.description:hover,
.todo-btn.description.has-description {
    background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%) !important;
    border-color: #6366f1 !important;
    color: #4f46e5 !important;
}

.todo-select-checkbox,
.select-all-checkbox {
    border-radius: 6px !important;
    transition: var(--premium-transition);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid #d1d5db;
    background: white;
    position: relative;
}

.todo-select-checkbox:hover,
.select-all-checkbox:hover {
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.todo-select-checkbox:checked,
.select-all-checkbox:checked {
    background: var(--premium-gradient-primary);
    border-color: #667eea;
}

.todo-select-checkbox:checked::after,
.select-all-checkbox:checked::after {
    content: '\2713';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.todo-table-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%) !important;
    font-weight: 700 !important;
    color: #475569 !important;
    border-bottom: 2px solid #e2e8f0 !important;
}

.view-controls-sidebar {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 252, 0.98) 100%);
    border-radius: var(--premium-radius-xl);
    border: 1px solid rgba(102, 126, 234, 0.1);
    box-shadow: var(--premium-shadow-md);
    overflow: hidden;
}

.view-controls-sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--premium-gradient-primary);
}

.view-btn {
    border-radius: var(--premium-radius-md) !important;
    transition: var(--premium-transition) !important;
    position: relative;
}

.view-btn:hover {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%) !important;
    transform: translateX(4px) !important;
}

.view-btn.active {
    background: var(--premium-gradient-primary) !important;
    color: white !important;
    box-shadow: var(--premium-shadow-md) !important;
}

.view-btn.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: white;
    border-radius: 0 4px 4px 0;
}

.stat-pill-sidebar {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%) !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: var(--premium-radius-md) !important;
    padding: 6px 12px;
    font-size: 0.85rem;
    color: var(--text-secondary, #4b5563);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    margin-bottom: 8px;
    width: 100%;
    justify-content: space-between;
    transition: var(--premium-transition);
}

.stat-pill-sidebar:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-color: #c7d2fe !important;
}

.stats-section {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
}

.sidebar-progress-container {
    width: 100%;
    margin-top: 12px;
    position: relative;
    height: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.progress-bar-mini {
    flex: 1;
    height: 6px;
    background: rgba(229,231,235,0.5);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #8b5cf6, #06b6d4);
    background-size: 200% 100%;
    animation: progressGradient 2s linear infinite;
    transition: width 0.6s ease;
}

@keyframes progressGradient {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

#progress-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 30px;
    text-align: right;
}

.priority-stats {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(249, 250, 251, 0.95) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-2xl);
    font-size: 0.7rem;
    z-index: 50;
    max-width: 140px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.priority-stats:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-2xl), 0 0 30px rgba(99, 102, 241, 0.15);
}

.priority-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
    border-left: 3px solid transparent;
    position: relative;
    overflow: hidden;
}

.priority-stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 0;
    transition: width var(--transition-normal);
}

.priority-stat:hover {
    background: var(--bg-primary);
    transform: translateX(-4px);
    box-shadow: var(--shadow-md);
}

.priority-stat:hover::before {
    width: 4px;
}

.priority-stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.priority-stat-value {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary);
    min-width: 24px;
    text-align: right;
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.priority-stat.urgent { border-left-color: #ef4444; }
.priority-stat.urgent::before { background: linear-gradient(180deg, #ef4444, #dc2626); }
.priority-stat.high { border-left-color: #f59e0b; }
.priority-stat.high::before { background: linear-gradient(180deg, #f59e0b, #d97706); }
.priority-stat.medium { border-left-color: #3b82f6; }
.priority-stat.medium::before { background: linear-gradient(180deg, #3b82f6, #2563eb); }
.priority-stat.low { border-left-color: #10b981; }
.priority-stat.low::before { background: linear-gradient(180deg, #10b981, #059669); }
.priority-stat.none { border-left-color: #9ca3af; }
.priority-stat.none::before { background: linear-gradient(180deg, #9ca3af, #6b7280); }

.notification {
    border-radius: var(--premium-radius-lg) !important;
    backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    box-shadow: var(--premium-shadow-lg) !important;
    position: relative;
    overflow: hidden;
}

.notification::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.notification.success::before { background: var(--premium-gradient-success); }
.notification.error::before { background: var(--premium-gradient-danger); }
.notification.warning::before { background: var(--premium-gradient-warning); }
.notification.info::before { background: var(--premium-gradient-info); }

.bulk-actions-bar {
    background: var(--premium-gradient-primary) !important;
    border-radius: var(--premium-radius-lg) !important;
    box-shadow: var(--premium-shadow-lg) !important;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-white);
}

.bulk-actions-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(50%); }
}

.bulk-actions-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.bulk-selection-info {
    color: var(--text-white);
    font-weight: 600;
    font-size: 0.875rem;
}

.bulk-actions-controls {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.settings-panel {
    position: relative;
    margin-bottom: 0;
    height: 0;
}

.settings-content {
    position: fixed;
    top: 80px;
    right: var(--spacing-md);
    z-index: 100000;
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.settings-content h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.setting-group {
    margin-bottom: var(--spacing-md);
}

.connection-status {
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.header-controls .btn-icon {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xs);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.header-controls .btn-icon:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    transform: rotate(90deg);
}

.header-controls .btn-icon:active {
    transform: rotate(90deg) scale(0.95);
}

.header-controls .btn-icon svg {
    display: block;
}

#settings-btn {
    cursor: pointer;
}

.input:focus,
.search-input:focus,
.select:focus,
.select-compact:focus {
    transform: translateY(-1px);
}

.debug-toggle-btn {
    bottom: 200px;
    right: var(--spacing-md);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

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

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

.container {
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

button, .btn, input, select, .priority-filter-btn, .status-filter-btn {
    transition: all var(--transition-fast);
}

button:active, .btn:active {
    transform: scale(0.98);
}

.btn:active,
.todo-btn:active,
.filter-btn:active,
.priority-filter-btn:active,
.status-filter-btn:active {
    transform: scale(0.95) !important;
}

.btn,
.todo-btn,
.filter-btn,
.priority-filter-btn,
.status-filter-btn,
.view-btn,
.todo-checkbox,
.priority-badge-table,
.status-icon-container {
    cursor: pointer !important;
}

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

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

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

.todo-form-compact {
    animation: fadeInUp 0.5s ease-out;
}

.unified-filters-compact {
    animation: fadeInUp 0.5s ease-out 0.1s both;
}

.todo-table tbody tr {
    animation: slideInUp 0.4s ease-out;
}

.todo-table tbody tr:nth-child(1) { animation-delay: 0.05s; }
.todo-table tbody tr:nth-child(2) { animation-delay: 0.1s; }
.todo-table tbody tr:nth-child(3) { animation-delay: 0.15s; }
.todo-table tbody tr:nth-child(4) { animation-delay: 0.2s; }
.todo-table tbody tr:nth-child(5) { animation-delay: 0.25s; }
.todo-table tbody tr:nth-child(6) { animation-delay: 0.3s; }
.todo-table tbody tr:nth-child(7) { animation-delay: 0.35s; }
.todo-table tbody tr:nth-child(8) { animation-delay: 0.4s; }
.todo-table tbody tr:nth-child(9) { animation-delay: 0.45s; }
.todo-table tbody tr:nth-child(10) { animation-delay: 0.5s; }

@media (max-width: 768px) {
    .todo-form-compact .form,
    .unified-filters-compact,
    .todo-list,
    .view-controls-sidebar {
        border-radius: var(--premium-radius-lg);
    }

    .priority-badge-table {
        padding: 4px 10px !important;
        font-size: 0.75rem !important;
    }

    .priority-stats {
        position: static;
        flex-direction: row;
        max-width: 100%;
        margin: var(--spacing-md) auto;
        overflow-x: auto;
        justify-content: center;
    }

    .priority-stat {
        flex-direction: column;
        min-width: 60px;
        text-align: center;
    }

    .priority-stat-value {
        text-align: center;
    }

    .filters-row-compact {
        flex-direction: column;
        align-items: stretch;
    }

    .priority-filters-compact,
    .priority-filters,
    .status-filters-compact .status-filter-container {
        justify-content: center;
    }

    .settings-content {
        max-width: calc(100% - 2 * var(--spacing-md));
        left: var(--spacing-md);
        right: var(--spacing-md);
    }
}

@media (min-width: 769px) {
    .filters-row-compact {
        display: flex !important;
        flex-wrap: nowrap !important;
        align-items: center !important;
        gap: var(--spacing-sm) !important;
        height: 40px !important;
    }

    .search-container-compact,
    .priority-filters-compact {
        height: 36px !important;
        display: flex !important;
        align-items: center !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .search-input {
        height: 36px !important;
        line-height: normal !important;
        margin: 0 !important;
    }
}

.unified-filters-compact .priority-filter-btn {
    transform: translateY(0px) !important;
    display: inline-flex !important;
    align-items: center !important;
    height: 36px !important;
    min-height: 36px !important;
    margin: 0 !important;
    vertical-align: middle !important;
}

.form,
.unified-filters-compact,
.bulk-actions-bar {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    }

    body::before {
        background:
            radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
            radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    }

    .todo-list {
        background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
        box-shadow:
            0 4px 6px -1px rgba(0, 0, 0, 0.3),
            0 10px 40px -5px rgba(99, 102, 241, 0.2),
            0 0 0 1px rgba(99, 102, 241, 0.1);
    }

    .todo-form-compact .form,
    .unified-filters-compact,
    .view-controls-sidebar {
        background: linear-gradient(135deg, rgba(30, 41, 59, 0.95) 0%, rgba(15, 23, 42, 0.95) 100%) !important;
        border-color: rgba(99, 102, 241, 0.2) !important;
    }

    .search-input,
    .priority-filter-btn,
    .status-filter-btn {
        background: #1e293b !important;
        border-color: #334155 !important;
        color: #f1f5f9 !important;
    }

    .todo-table-header {
        background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%) !important;
        color: #cbd5e1 !important;
        border-bottom-color: #334155 !important;
    }

    .todo-table tbody tr:hover {
        background: linear-gradient(90deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    }
}

body.dark-mode {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

body.dark-mode::before {
    background:
        radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
}

body.dark-mode .todo-list {
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    border-color: rgba(102, 126, 234, 0.2);
    box-shadow: var(--premium-shadow-lg);
}

body.dark-mode .todo-form-compact .form {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.95) 0%, rgba(15, 23, 42, 0.95) 100%);
    border-color: rgba(102, 126, 234, 0.2);
}

body.dark-mode .todo-form-compact .input-lg {
    background: #1e293b;
    border-color: #334155;
    color: #f1f5f9;
}

body.dark-mode .unified-filters-compact {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.95) 0%, rgba(15, 23, 42, 0.95) 100%);
    border-color: rgba(102, 126, 234, 0.2);
}

body.dark-mode .search-input {
    background: #1e293b;
    border-color: #334155;
    color: #f1f5f9;
}

body.dark-mode .priority-filter-btn,
body.dark-mode .status-filter-btn {
    background: #1e293b !important;
    border-color: #334155 !important;
    color: #f1f5f9 !important;
}

body.dark-mode .priority-filter-btn.active,
body.dark-mode .status-filter-btn.active {
    background: var(--premium-gradient-primary) !important;
}

body.dark-mode .todo-table thead th {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #94a3b8;
    border-bottom-color: #334155;
}

body.dark-mode .todo-table tbody tr:hover {
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.05) 100%);
}

body.dark-mode .priority-badge-table.urgent {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.2) 0%, rgba(239, 68, 68, 0.1) 100%) !important;
    border-color: rgba(220, 38, 38, 0.4) !important;
}

body.dark-mode .priority-badge-table.high {
    background: linear-gradient(135deg, rgba(217, 119, 6, 0.2) 0%, rgba(245, 158, 11, 0.1) 100%) !important;
    border-color: rgba(217, 119, 6, 0.4) !important;
}

body.dark-mode .priority-badge-table.medium {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(59, 130, 246, 0.1) 100%) !important;
    border-color: rgba(37, 99, 235, 0.4) !important;
}

body.dark-mode .priority-badge-table.low {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.2) 0%, rgba(16, 185, 129, 0.1) 100%) !important;
    border-color: rgba(5, 150, 105, 0.4) !important;
}

body.dark-mode .view-controls-sidebar {
    background: linear-gradient(180deg, rgba(30, 41, 59, 0.95) 0%, rgba(15, 23, 42, 0.95) 100%);
    border-color: rgba(102, 126, 234, 0.2);
}

body.dark-mode .view-btn:hover {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%) !important;
}

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