/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    /* Fonts */
    --font-primary: 'Outfit', 'Sarabun', sans-serif;
    
    /* Common UI variables */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Status Colors (shared) */
    --color-todo: #a855f7;
    --color-todo-bg: rgba(168, 85, 247, 0.12);
    --color-progress: #06b6d4;
    --color-progress-bg: rgba(6, 182, 212, 0.12);
    --color-review: #f59e0b;
    --color-review-bg: rgba(245, 158, 11, 0.12);
    --color-done: #10b981;
    --color-done-bg: rgba(16, 185, 129, 0.12);
    
    /* User specific colors */
    --color-user-alice: #8b5cf6;
    --color-user-bob: #06b6d4;
    --color-user-charlie: #f59e0b;
}

/* --- Dark Theme Variables --- */
[data-theme="dark"] {
    --bg-app: #090d16;
    --bg-header: #0e1526;
    --bg-card: #151d30;
    --bg-card-hover: #1b263e;
    --bg-input: #1a233a;
    --border-color: #24314c;
    --border-color-hover: #35476d;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-color: #8b5cf6;
    --accent-color-hover: #a78bfa;
    --accent-color-rgb: 139, 92, 246;

    --bg-stat-info: rgba(59, 130, 246, 0.15);
    --bg-stat-warning: rgba(245, 158, 11, 0.15);
    --bg-stat-success: rgba(16, 185, 129, 0.15);
    --bg-stat-danger: rgba(239, 68, 68, 0.15);

    --color-danger: #f43f5e;
    --color-danger-bg: rgba(244, 63, 94, 0.15);
    --color-danger-hover: #fb7185;

    --bg-modal-overlay: rgba(5, 7, 12, 0.8);
    --scrollbar-thumb: #2d3c5d;
}

/* --- Light Theme Variables --- */
[data-theme="light"] {
    --bg-app: #f8fafc;
    --bg-header: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-input: #f1f5f9;
    --border-color: #e2e8f0;
    --border-color-hover: #cbd5e1;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent-color: #6d28d9;
    --accent-color-hover: #5b21b6;
    --accent-color-rgb: 109, 40, 217;

    --bg-stat-info: rgba(37, 99, 235, 0.1);
    --bg-stat-warning: rgba(217, 119, 6, 0.1);
    --bg-stat-success: rgba(5, 150, 105, 0.1);
    --bg-stat-danger: rgba(220, 38, 38, 0.1);

    --color-danger: #e11d48;
    --color-danger-bg: rgba(225, 29, 72, 0.1);
    --color-danger-hover: #be123c;

    --bg-modal-overlay: rgba(15, 23, 42, 0.4);
    --scrollbar-thumb: #cbd5e1;
}

/* ==========================================================================
   BASE & RESET STYLES
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-primary);
}

body {
    background-color: var(--bg-app);
    color: var(--text-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.25;
}

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

button, select, input, textarea {
    font-family: inherit;
    outline: none;
    border: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

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

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

/* ==========================================================================
   LAYOUT STRUCTURE
   ========================================================================== */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-header {
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.app-content {
    flex: 1;
    padding: 32px;
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
}

/* Header Logo */
.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    background: linear-gradient(135deg, var(--accent-color), #3b82f6);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
}

.logo-text h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==========================================================================
   COMMON COMPONENT STYLES
   ========================================================================== */
/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

/* Buttons */
.primary-btn {
    background-color: var(--accent-color);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(var(--accent-color-rgb), 0.25);
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.primary-btn:hover {
    background-color: var(--accent-color-hover);
    box-shadow: 0 6px 20px rgba(var(--accent-color-rgb), 0.35);
    transform: translateY(-1px);
}

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

.secondary-btn {
    background-color: var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

.danger-btn {
    background-color: var(--color-danger);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(244, 63, 94, 0.2);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.danger-btn:hover {
    background-color: var(--color-danger-hover);
    transform: translateY(-1px);
}

.icon-btn {
    background-color: var(--border-color);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.icon-btn:hover {
    background-color: var(--border-color-hover);
    color: var(--text-primary);
    transform: scale(1.05);
}

/* Custom Select Dropdowns */
.select-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

.select-wrapper select {
    width: 100%;
    padding: 10px 36px 10px 16px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.select-wrapper select:hover {
    border-color: var(--border-color-hover);
}

.select-wrapper select:focus {
    border-color: var(--accent-color);
}

.select-wrapper::after {
    content: "";
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-30%) rotate(45deg);
    width: 6px;
    height: 6px;
    border-right: 2px solid var(--text-secondary);
    border-bottom: 2px solid var(--text-secondary);
    pointer-events: none;
}

.select-small select {
    padding: 8px 30px 8px 12px;
    font-size: 0.85rem;
}

/* Text Inputs */
.form-input {
    width: 100%;
    padding: 10px 16px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(var(--accent-color-rgb), 0.15);
}

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

/* Theme Toggle Details */
#theme-toggle .sun-icon {
    display: none;
}
#theme-toggle .moon-icon {
    display: block;
}
[data-theme="light"] #theme-toggle .sun-icon {
    display: block;
}
[data-theme="light"] #theme-toggle .moon-icon {
    display: none;
}

/* ==========================================================================
   ROLE SELECTOR
   ========================================================================== */
.role-selector-container {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-input);
    padding: 6px 14px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.control-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.role-select {
    background-color: transparent !important;
    border: none !important;
    padding: 4px 24px 4px 4px !important;
    font-weight: 600 !important;
    color: var(--accent-color) !important;
}

/* ==========================================================================
   PANEL VISIBILITY
   ========================================================================== */
.view-panel {
    display: none;
    animation: fadeIn var(--transition-normal);
}

.view-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* View Header */
.view-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    gap: 20px;
}

.view-header h2 {
    font-size: 1.75rem;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.view-header .subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 4px;
}

/* ==========================================================================
   MANAGER DASHBOARD
   ========================================================================== */
/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card.danger {
    border-color: rgba(244, 63, 94, 0.3);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon.info {
    background-color: var(--bg-stat-info);
    color: #3b82f6;
}

.stat-icon.warning {
    background-color: var(--bg-stat-warning);
    color: #f59e0b;
}

.stat-icon.success {
    background-color: var(--bg-stat-success);
    color: #10b981;
}

.stat-icon.alert {
    background-color: var(--bg-stat-danger);
    color: #ef4444;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--text-primary);
}

/* Dashboard Chart Section Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1.8fr 1.2fr;
    gap: 28px;
    margin-bottom: 28px;
}

@media (max-width: 992px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Progress Chart Panel */
.chart-panel h3, .task-summary-panel h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.team-progress-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.team-progress-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.team-progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.team-member-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.avatar-circle {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: #ffffff;
}

.team-member-task-stats {
    font-weight: 500;
    color: var(--text-secondary);
}

.progress-track {
    background-color: var(--bg-input);
    height: 10px;
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
}

.progress-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    width: 0%;
    transition: width var(--transition-slow);
}

/* Status Distribution Panel */
.status-distribution {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.dist-item {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 10px;
}

.dist-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
}

.bg-todo { background-color: var(--color-todo); }
.bg-progress { background-color: var(--color-progress); }
.bg-review { background-color: var(--color-review); }
.bg-done { background-color: var(--color-done); }

.dist-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.dist-val {
    margin-left: auto;
    font-weight: 700;
    font-size: 1rem;
}

.progress-bar-overall {
    background-color: var(--bg-input);
    height: 12px;
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 12px;
    border: 1px solid var(--border-color);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), var(--color-done));
    width: 0%;
    transition: width var(--transition-slow);
}

.overall-progress-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
}

/* Task Table Component */
.task-table-card {
    padding: 0;
    overflow: hidden;
}

.table-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.table-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.search-input-wrapper {
    position: relative;
    min-width: 240px;
}

.search-input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    font-size: 0.85rem;
    background-color: var(--bg-input);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.task-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.task-table th, .task-table td {
    padding: 16px 24px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

.task-table th {
    background-color: rgba(var(--accent-color-rgb), 0.02);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.task-table tr:last-child td {
    border-bottom: none;
}

.task-table tbody tr {
    transition: background-color var(--transition-fast);
}

.task-table tbody tr:hover {
    background-color: rgba(var(--accent-color-rgb), 0.015);
}

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

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2px;
}

.status-badge.todo {
    background-color: var(--color-todo-bg);
    color: var(--color-todo);
}

.status-badge.progress {
    background-color: var(--color-progress-bg);
    color: var(--color-progress);
}

.status-badge.review {
    background-color: var(--color-review-bg);
    color: var(--color-review);
}

.status-badge.done {
    background-color: var(--color-done-bg);
    color: var(--color-done);
}

/* Deadline Badges */
.deadline-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.deadline-badge.overdue {
    color: var(--color-danger);
    font-weight: 600;
    animation: pulseDanger 2s infinite;
}

.deadline-badge.due-today {
    color: var(--color-review);
    font-weight: 600;
}

@keyframes pulseDanger {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}

/* Actions styling in table */
.action-buttons-group {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.action-btn-small {
    background: transparent;
    color: var(--text-secondary);
    padding: 6px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.action-btn-small:hover {
    background-color: var(--bg-input);
    color: var(--text-primary);
}

.action-btn-small.delete:hover {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
}

/* Empty States */
.empty-state {
    padding: 60px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    gap: 12px;
}

.empty-state p {
    font-weight: 500;
    font-size: 0.95rem;
}

.hidden {
    display: none !important;
}

/* ==========================================================================
   KANBAN BOARD VIEW
   ========================================================================== */
.kanban-board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    align-items: start;
    min-height: 60vh;
}

@media (max-width: 1200px) {
    .kanban-board {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .kanban-board {
        grid-template-columns: 1fr;
    }
}

.kanban-column {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    max-height: 75vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal);
}

/* Column Drag Hover Highlight */
.kanban-column.drag-over {
    border-color: var(--accent-color);
    background-color: rgba(var(--accent-color-rgb), 0.02);
    transform: scale(1.01);
}

.column-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.column-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
}

.column-title h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.task-count-badge {
    background-color: var(--bg-input);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
}

.add-card-inline-btn {
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.add-card-inline-btn:hover {
    background-color: var(--bg-input);
    color: var(--accent-color);
}

.kanban-cards-container {
    padding: 16px;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 150px; /* Essential for dropping when column is empty */
}

/* Kanban Cards styling */
.task-card {
    background-color: var(--bg-header);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    cursor: grab;
    user-select: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    position: relative;
}

.task-card:hover {
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.task-card:active {
    cursor: grabbing;
}

/* Dragging state styling */
.task-card.dragging {
    opacity: 0.4;
    border-style: dashed;
    border-color: var(--accent-color);
    transform: scale(0.96);
    cursor: grabbing;
}

.card-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
    line-height: 1.4;
}

.card-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px dashed var(--border-color);
    padding-top: 12px;
    margin-top: 4px;
    gap: 8px;
}

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

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

/* Empty Column Message styling */
.empty-column-msg {
    padding: 24px 12px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    border: 1.5px dashed var(--border-color);
    border-radius: var(--radius-md);
    pointer-events: none;
}

/* ==========================================================================
   MODAL WINDOWS
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-modal-overlay);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 580px;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px) scale(0.97);
    transition: transform var(--transition-normal);
    overflow: hidden;
}

.modal-overlay.active .modal-box {
    transform: translateY(0) scale(1);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.close-btn {
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    padding: 4px;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

.modal-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

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

.required {
    color: var(--color-danger);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 576px) {
    .form-row-2 {
        grid-template-columns: 1fr;
    }
}

.modal-footer {
    padding: 16px 24px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Delete modal specific styling */
.delete-box {
    max-width: 440px;
}

.danger-header h3 {
    color: var(--color-danger);
}

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

.delete-warning-icon {
    width: 64px;
    height: 64px;
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.delete-msg {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 8px;
}

.task-title-to-delete {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-secondary);
    word-break: break-all;
    background-color: var(--bg-input);
    padding: 10px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 2000;
}

.toast {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 14px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    min-width: 280px;
    max-width: 380px;
    animation: slideInToast var(--transition-normal) forwards;
    border-left: 4px solid var(--accent-color);
}

.toast.success {
    border-left-color: var(--color-done);
}

.toast.danger {
    border-left-color: var(--color-danger);
}

.toast.info {
    border-left-color: #3b82f6;
}

@keyframes slideInToast {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.toast.fade-out {
    animation: fadeOutToast var(--transition-normal) forwards;
}

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

/* ==========================================================================
   CLOUDFLARE D1 STATUS BADGE
   ========================================================================== */
.db-status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background-color: var(--bg-input);
    font-size: 0.78rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.db-status-badge .status-dot {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background-color: var(--text-muted);
}

/* Loading State */
.db-status-badge.loading {
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--text-secondary);
}
.db-status-badge.loading .status-dot {
    background-color: var(--color-review);
    animation: pulseOrange 1.5s infinite;
}

/* Connected State */
.db-status-badge.success {
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--color-done);
}
.db-status-badge.success .status-dot {
    background-color: var(--color-done);
    box-shadow: 0 0 8px var(--color-done);
}

/* Offline/Error State */
.db-status-badge.error {
    border-color: rgba(244, 63, 94, 0.3);
    color: var(--color-danger);
}
.db-status-badge.error .status-dot {
    background-color: var(--color-danger);
    animation: pulseRed 1s infinite;
}

@keyframes pulseOrange {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.5; }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes pulseRed {
    0% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.4); }
    70% { transform: scale(1.1); opacity: 0.8; box-shadow: 0 0 0 6px rgba(244, 63, 94, 0); }
    100% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(244, 63, 94, 0); }
}