/* styles.css */
@import url('https://fonts.googleapis.com/css2?family=Bai+Jamjuree:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --bg-primary: #0f172a;       /* Slate 900 */
    --bg-secondary: #1e293b;     /* Slate 800 */
    --bg-tertiary: #334155;      /* Slate 700 */
    --border-color: #334155;
    
    --text-primary: #f8fafc;     /* Slate 50 */
    --text-secondary: #94a3b8;   /* Slate 400 */
    --text-muted: #64748b;       /* Slate 500 */
    
    --accent-color: #6366f1;     /* Indigo 500 */
    --accent-hover: #4f46e5;     /* Indigo 600 */
    --accent-light: rgba(99, 102, 241, 0.15);
    
    /* Status Colors */
    --status-todo: #64748b;      /* Gray 500 */
    --status-todo-light: rgba(100, 116, 139, 0.15);
    --status-progress: #3b82f6;  /* Blue 500 */
    --status-progress-light: rgba(59, 130, 246, 0.15);
    --status-done: #10b981;      /* Emerald 500 */
    --status-done-light: rgba(16, 185, 129, 0.15);
    --status-overdue: #ef4444;   /* Red 500 */
    --status-overdue-light: rgba(239, 68, 68, 0.15);
    
    /* UI properties */
    --font-sans: 'Plus Jakarta Sans', 'Bai Jamjuree', sans-serif;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 18px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 15px rgba(99, 102, 241, 0.3);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Layout Containers */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header Styles */
.header {
    background-color: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 1rem 0;
    transition: var(--transition-normal);
}

.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, #a78bfa 0%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo i {
    background: linear-gradient(135deg, #a78bfa 0%, #6366f1 100%);
    -webkit-background-clip: border-box;
    -webkit-text-fill-color: var(--text-primary);
    font-size: 1.75rem;
    padding: 0.35rem;
    border-radius: var(--border-radius-sm);
    color: white;
}

.role-switcher-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--bg-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.role-switcher-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.role-select {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.35rem 1.75rem 0.35rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    transition: var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1.25em;
}

.role-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-light);
}

/* User Greeting Banner */
.user-banner {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(30, 41, 59, 0.5) 100%);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    padding: 1.5rem 0;
}

.user-banner-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.user-info-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), #a78bfa);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: white;
    box-shadow: var(--shadow-md);
}

.user-details h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

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

.banner-actions {
    display: flex;
    gap: 0.75rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius-md);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: var(--transition-fast);
    outline: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

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

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

.btn-danger {
    background-color: var(--status-overdue-light);
    color: var(--status-overdue);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background-color: var(--status-overdue);
    color: white;
}

.btn-icon-only {
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--text-secondary);
}

.btn-icon-only:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Main Content Wrapper */
.main-content {
    padding: 2rem 0;
}

.view-section {
    display: none;
}

.view-section.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

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

/* Statistics Widgets / Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.total { background-color: rgba(99, 102, 241, 0.15); color: var(--accent-color); }
.stat-icon.todo { background-color: var(--status-todo-light); color: var(--status-todo); }
.stat-icon.progress { background-color: var(--status-progress-light); color: var(--status-progress); }
.stat-icon.done { background-color: var(--status-done-light); color: var(--status-done); }
.stat-icon.overdue { background-color: var(--status-overdue-light); color: var(--status-overdue); }

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

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
}

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

/* Dashboard Analytics Row */
.analytics-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

.chart-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.chart-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.chart-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chart-card-title i {
    color: var(--accent-color);
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* Overdue Alerts Panel */
.alert-panel {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(30, 41, 59, 0.5) 100%);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.alert-panel-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--status-overdue);
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.alert-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 250px;
    overflow-y: auto;
}

.alert-item {
    background-color: rgba(15, 23, 42, 0.6);
    border-left: 4px solid var(--status-overdue);
    padding: 0.75rem 1rem;
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.alert-item-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
}

.alert-item-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.alert-item-badge {
    background-color: var(--status-overdue-light);
    color: var(--status-overdue);
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.leader-main-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}
@media (max-width: 992px) {
    .leader-main-grid {
        grid-template-columns: 1fr;
    }
}

/* Leader Table View */
.table-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.search-input-wrapper {
    position: relative;
    flex-grow: 1;
    max-width: 400px;
}

.search-input-wrapper i {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-input {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
}

.search-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-light);
}

.table-filter-group {
    display: flex;
    gap: 0.75rem;
}

.table-filter-group select {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.75rem 0.5rem 0.75rem;
    border-radius: var(--border-radius-md);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1.25em;
}

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

.tasks-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.tasks-table th {
    border-bottom: 2px solid var(--border-color);
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.tasks-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.tasks-table tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Kanban Board Layout */
.kanban-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.kanban-view-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.kanban-filter-options {
    display: flex;
    gap: 0.5rem;
    background-color: var(--bg-secondary);
    padding: 0.25rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.kanban-filter-btn {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 0.4rem 1rem;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.kanban-filter-btn.active {
    background-color: var(--accent-color);
    color: white;
}

.kanban-board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    align-items: start;
    min-height: 600px;
}

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

.kanban-column {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    max-height: 800px;
}

.kanban-column-header {
    padding: 1.25rem 1.25rem 0.75rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid transparent;
}

.kanban-column-title {
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.kanban-column-title::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

#col-todo .kanban-column-title::before { background-color: var(--status-todo); }
#col-progress .kanban-column-title::before { background-color: var(--status-progress); }
#col-done .kanban-column-title::before { background-color: var(--status-done); }

.kanban-count-badge {
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
}

.kanban-cards-container {
    padding: 0.75rem;
    overflow-y: auto;
    flex-grow: 1;
    min-height: 150px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: background-color var(--transition-fast), border var(--transition-fast);
    border: 2px dashed transparent;
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* Dragging visual indicators */
.kanban-cards-container.drag-over {
    background-color: rgba(99, 102, 241, 0.05);
    border-color: rgba(99, 102, 241, 0.4);
}

/* Kanban Cards Styling */
.task-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
    cursor: grab;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    position: relative;
    user-select: none;
}

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

.task-card.dragging {
    opacity: 0.4;
    transform: scale(0.98);
}

.task-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--text-muted);
}

/* Glowing border for overdue cards */
.task-card.card-overdue {
    border-left: 4px solid var(--status-overdue);
}

.task-card.card-overdue:hover {
    box-shadow: 0 4px 6px -1px rgba(239, 68, 68, 0.1), 0 2px 4px -2px rgba(239, 68, 68, 0.1);
}

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

.task-card-title {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.3;
}

.task-card-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0.3;
    transition: var(--transition-fast);
}

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

.task-card-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    word-break: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.task-card-desc.expanded {
    display: block;
    overflow: visible;
    -webkit-line-clamp: unset;
}

.read-more-btn {
    background: transparent;
    border: none;
    color: var(--accent-color);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: -0.75rem;
    margin-bottom: 0.75rem;
    display: block;
}

.task-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
    margin-top: 0.5rem;
}

.task-card-dates {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.task-date-info {
    font-size: 0.7rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.task-date-info.deadline-alert {
    color: var(--status-overdue);
    font-weight: 600;
}

.task-card-assignee {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.assignee-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.65rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.assignee-name {
    font-size: 0.75rem;
    color: var(--text-secondary);
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-todo { background-color: var(--status-todo-light); color: var(--text-secondary); }
.badge-progress { background-color: var(--status-progress-light); color: var(--status-progress); }
.badge-done { background-color: var(--status-done-light); color: var(--status-done); }
.badge-overdue { background-color: var(--status-overdue-light); color: var(--status-overdue); }

/* Quick Status Move Buttons for Mobile/Accessibility */
.quick-move-menu {
    display: flex;
    gap: 0.25rem;
    margin-top: 0.5rem;
    border-top: 1px dashed var(--border-color);
    padding-top: 0.5rem;
}

.btn-quick-move {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    flex-grow: 1;
    text-align: center;
}

.btn-quick-move:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Modal Overlay Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

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

.modal-box {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 550px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: white;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.25rem;
}

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

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

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 0.625rem 0.85rem;
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-light);
}

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

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.75rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

/* Empty State Styling */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--border-color) 0%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* Custom visual chart helpers for simple/pure displays */
.progress-ring-container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 100%;
}

.progress-text {
    position: absolute;
    text-align: center;
}

.progress-number {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--accent-color);
    line-height: 1;
}

.progress-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Utility classes */
.text-center { text-align: center; }
.mr-2 { margin-right: 0.5rem; }
.d-none { display: none !important; }

/* Task Card Actions Bar (Click Instead of Drag & Drop) */
.task-card-actions-bar {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
}

.btn-card-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.5rem 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    border: none;
    transition: var(--transition-fast);
    flex-grow: 1;
    outline: none;
}

.btn-card-action-primary {
    background-color: var(--accent-light);
    color: var(--accent-color);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.btn-card-action-primary:hover {
    background-color: var(--accent-color);
    color: white;
}

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

.btn-card-action-secondary:hover {
    background-color: var(--border-color);
    color: white;
}

.btn-card-action-done {
    background-color: var(--status-done-light);
    color: var(--status-done);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.btn-card-action-done:hover {
    background-color: var(--status-done);
    color: white;
}

/* User & Assignee Avatar SVGs */
.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: transparent !important; /* Override gradient */
}

.user-avatar svg, .assignee-avatar svg {
    width: 100%;
    height: 100%;
    display: block;
}

.assignee-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    background: transparent !important;
    flex-shrink: 0;
}

/* Subtasks in Kanban Card */
.task-subtasks-section {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--border-color);
}

.subtasks-progress {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 0.6rem;
}

.subtasks-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.subtasks-progress-bar-bg {
    width: 100%;
    height: 5px;
    background-color: var(--bg-secondary);
    border-radius: 999px;
    overflow: hidden;
}

.subtasks-progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color) 0%, #a78bfa 100%);
    border-radius: 999px;
    transition: width var(--transition-normal);
}

.subtasks-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    max-height: 120px;
    overflow-y: auto;
    padding-right: 0.15rem;
}

.subtask-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
}

.subtask-checkbox {
    width: 14px;
    height: 14px;
    accent-color: var(--accent-color);
    cursor: pointer;
    border-radius: 4px;
}

.subtask-item-title {
    color: var(--text-primary);
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: var(--transition-fast);
}

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

.subtask-item-dates {
    font-size: 0.65rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* Subtask Row in Modal */
.subtask-row {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 0.5rem;
    transition: var(--transition-fast);
}

.subtask-row:focus-within {
    border-color: var(--accent-color);
}

/* ================= AUTH OVERLAY (LOGIN / REGISTER) ================= */
.auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.15), transparent 40%),
                radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.05), transparent 40%),
                #0b0f19;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 1.5rem;
    transition: var(--transition-normal);
}

.auth-overlay.d-none {
    display: none !important;
}

.auth-box {
    background-color: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.5), var(--shadow-glow);
    animation: authBoxFadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes authBoxFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.auth-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.auth-logo i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--accent-color), #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.5));
}

.auth-logo h2 {
    font-family: var(--font-sans);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    text-align: center;
    color: var(--text-primary);
}

.avatar-presets-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.avatar-preset-label {
    cursor: pointer;
    border-radius: 50%;
    overflow: hidden;
    aspect-ratio: 1/1;
    border: 2px solid transparent;
    transition: var(--transition-fast);
}

.avatar-preset-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    transition: var(--transition-fast);
}

.avatar-preset-label input:checked + .avatar-preset-img {
    opacity: 1;
    border: 3px solid var(--accent-color);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
    border-radius: 50%;
}

.avatar-preset-img:hover {
    opacity: 0.9;
}

/* Custom Profile Upload Button */
.custom-avatar-upload label {
    transition: var(--transition-fast);
}

.custom-avatar-upload label:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

/* Header navigation and tabs */
.nav-tab {
    background: none;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-fast);
    outline: none;
}

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

.nav-tab.active {
    color: var(--text-primary);
    background-color: var(--accent-color);
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.nav-tab.active:hover {
    background-color: var(--accent-hover);
}

/* Read-only view elements override */
.read-only-overlay-element {
    pointer-events: none !important;
    opacity: 0.65 !important;
}

.btn-link {
    background: none;
    border: none;
    color: var(--accent-color);
    cursor: pointer;
    text-decoration: underline;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-link:hover {
    color: var(--accent-hover);
}