/* ==========================================================================
   TeamTask Pro - CSS Design System & Layout
   ========================================================================== */

/* --- Theme Variables & Design Tokens --- */
:root {
    /* Color Palette - Modern Dark Theme Default */
    --bg-main: #0b0f19;
    --bg-header: rgba(15, 23, 42, 0.85);
    --bg-surface: #131c2e;
    --bg-card: #1e293b;
    --bg-card-hover: #26334d;
    --bg-input: #0f172a;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(99, 102, 241, 0.4);
    
    --text-main: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.15);
    
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.15);
    
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.15);
    
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.15);
    
    --info: #3b82f6;
    --info-light: rgba(59, 130, 246, 0.15);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 4px rgba(0,0,0,0.2);
    --shadow-md: 0 8px 16px rgba(0,0,0,0.3);
    --shadow-lg: 0 16px 32px rgba(0,0,0,0.4);
    
    --font-main: 'Prompt', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Overrides */
[data-theme="light"] {
    --bg-main: #f1f5f9;
    --bg-header: rgba(255, 255, 255, 0.9);
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-input: #f8fafc;
    
    --border-color: #e2e8f0;
    --border-highlight: rgba(99, 102, 241, 0.3);
    
    --text-main: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 24px rgba(0,0,0,0.12);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* --- Typography Helpers --- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.3;
}

/* --- Layout Container --- */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* --- Header & Navigation --- */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 2rem;
    background-color: var(--bg-header);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    gap: 1.5rem;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), #a855f7);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.brand-text h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand-text h1 span {
    color: var(--primary);
}

.brand-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Nav Tabs */
.nav-tabs {
    display: flex;
    background-color: var(--bg-input);
    padding: 4px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-btn:hover {
    color: var(--text-main);
}

.nav-btn.active {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.member-selector-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.selector-icon {
    position: absolute;
    left: 10px;
    color: var(--primary);
    font-size: 1rem;
    pointer-events: none;
}

.member-selector-wrapper select {
    padding: 0.5rem 1rem 0.5rem 2.2rem;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: border-color var(--transition-fast);
}

.member-selector-wrapper select:focus {
    border-color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.45);
}

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

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

.btn-icon {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: var(--radius-md);
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    font-size: 1.1rem;
}

.btn-icon:hover {
    color: var(--text-main);
    background-color: var(--bg-card-hover);
}

.btn-danger-ghost {
    color: var(--danger);
}

.btn-danger-ghost:hover {
    background-color: var(--danger-light);
    color: var(--danger);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

/* --- Main Content Sections --- */
.app-main {
    flex: 1;
    padding: 2rem;
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
}

.view-section {
    display: none;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.view-section.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 1.75rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    font-size: 1.6rem;
    font-weight: 700;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.2rem;
}

.quick-filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.quick-filter-group select,
.search-table-header select,
.table-actions select {
    padding: 0.45rem 0.85rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 0.85rem;
    outline: none;
}

/* --- KPI Metric Grid --- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.kpi-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.35rem;
    display: flex;
    align-items: center;
    gap: 1.1rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.kpi-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-highlight);
}

.kpi-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    flex-shrink: 0;
}

.kpi-card.total .kpi-icon {
    background-color: var(--primary-light);
    color: var(--primary);
}

.kpi-card.progress .kpi-icon {
    background-color: var(--info-light);
    color: var(--info);
}

.kpi-card.success .kpi-icon {
    background-color: var(--success-light);
    color: var(--success);
}

.kpi-card.danger .kpi-icon {
    background-color: var(--danger-light);
    color: var(--danger);
}

.kpi-content {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.kpi-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    font-weight: 600;
}

.kpi-value-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.kpi-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.1;
}

.kpi-badge {
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    background-color: var(--success-light);
    color: var(--success);
}

.kpi-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

/* --- Dashboard Block & Workload Grid --- */
.dashboard-block {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    gap: 1rem;
}

.block-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
}

.badge-pill {
    padding: 0.2rem 0.75rem;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.workload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
}

.workload-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.2rem;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.workload-card:hover {
    border-color: var(--border-highlight);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.member-info-header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1rem;
}

.avatar-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    flex-shrink: 0;
}

.member-meta {
    flex: 1;
    overflow: hidden;
}

.member-meta .name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.member-meta .role {
    font-size: 0.78rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.workload-stats-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.6rem;
    font-size: 0.82rem;
}

.workload-stats-row .stat-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-secondary);
}

.workload-stats-row .stat-value {
    font-weight: 700;
    color: var(--text-main);
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background-color: var(--bg-input);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 0.8rem;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--success));
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.workload-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.overdue-count-badge {
    background-color: var(--danger-light);
    color: var(--danger);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

/* --- Search & Master Task Table --- */
.search-table-header {
    flex-wrap: wrap;
}

.table-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 10px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.search-box input {
    padding: 0.45rem 1rem 0.45rem 2.1rem;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 0.85rem;
    outline: none;
    width: 240px;
    transition: border-color var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--primary);
}

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

.task-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.task-table th {
    text-align: left;
    padding: 0.75rem 1rem;
    background-color: var(--bg-input);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 1px solid var(--border-color);
}

.task-table td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    vertical-align: middle;
}

.task-table tr:hover td {
    background-color: var(--bg-card-hover);
}

.task-cell-title {
    display: flex;
    flex-direction: column;
}

.task-cell-title .title {
    font-weight: 600;
    font-size: 0.9rem;
}

.task-cell-title .desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Status & Priority Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
}

.badge-todo {
    background-color: var(--bg-input);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.badge-in_progress {
    background-color: var(--info-light);
    color: var(--info);
}

.badge-under_review {
    background-color: var(--warning-light);
    color: var(--warning);
}

.badge-completed {
    background-color: var(--success-light);
    color: var(--success);
}

.badge-overdue {
    background-color: var(--danger-light);
    color: var(--danger);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.75; }
    100% { opacity: 1; }
}

.priority-high {
    color: var(--danger);
    font-weight: 700;
}

.priority-medium {
    color: var(--warning);
    font-weight: 600;
}

.priority-low {
    color: var(--success);
    font-weight: 500;
}

/* Action icons inside table */
.action-btns {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-table-action {
    width: 30px;
    height: 30px;
    border-radius: var(--radius-sm);
    border: none;
    background-color: var(--bg-input);
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.btn-table-action:hover {
    color: var(--primary);
    background-color: var(--primary-light);
}

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

/* --- KANBAN BOARD SECTION --- */
.member-profile-banner {
    background: linear-gradient(135deg, var(--bg-surface), var(--bg-card));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.banner-member-info {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.banner-avatar {
    width: 58px;
    height: 58px;
    font-size: 1.5rem;
}

.banner-details h3 {
    font-size: 1.3rem;
    font-weight: 700;
}

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

.banner-stats {
    display: flex;
    gap: 1.5rem;
}

.stat-pill {
    text-align: center;
    background-color: var(--bg-input);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.stat-pill .number {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
}

.stat-pill .label {
    font-size: 0.72rem;
    color: var(--text-muted);
}

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

.kanban-search {
    position: relative;
    flex: 1;
    max-width: 320px;
}

.kanban-search i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.kanban-search input {
    width: 100%;
    padding: 0.5rem 1rem 0.5rem 2.3rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 0.85rem;
    outline: none;
}

.kanban-board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    align-items: start;
}

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

@media (max-width: 640px) {
    .kanban-board {
        grid-template-columns: 1fr;
    }
}

.kanban-column {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    min-height: 500px;
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.kanban-column.drag-over {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 0.85rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.col-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.95rem;
}

.col-todo { border-color: var(--text-muted); }
.col-progress { border-color: var(--info); }
.col-review { border-color: var(--warning); }
.col-completed { border-color: var(--success); }

.column-count {
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background-color: var(--bg-input);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 700;
}

.kanban-cards-container {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    flex: 1;
}

/* Kanban Task Card */
.kanban-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    cursor: grab;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.kanban-card:hover {
    border-color: var(--border-highlight);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.kanban-card.dragging {
    opacity: 0.4;
}

.card-top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.priority-tag {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.priority-tag.high { background-color: var(--danger-light); color: var(--danger); }
.priority-tag.medium { background-color: var(--warning-light); color: var(--warning); }
.priority-tag.low { background-color: var(--success-light); color: var(--success); }

.card-actions {
    display: flex;
    gap: 0.2rem;
}

.card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.4rem;
    line-height: 1.3;
}

.card-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.85rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.6rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.card-dates {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.date-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.date-item.overdue {
    color: var(--danger);
    font-weight: 600;
}

.date-item.due-soon {
    color: var(--warning);
    font-weight: 600;
}

.quick-move-btn {
    padding: 3px 8px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.2rem;
}

.quick-move-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
}

/* Empty column state */
.empty-column-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1rem;
    color: var(--text-muted);
    font-size: 0.82rem;
    text-align: center;
    border: 1.5px dashed var(--border-color);
    border-radius: var(--radius-md);
    margin-top: 0.5rem;
}

.empty-column-state i {
    font-size: 1.8rem;
    margin-bottom: 0.4rem;
    opacity: 0.6;
}

/* --- MODALS --- */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(6px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 580px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.modal-backdrop.active .modal-card {
    transform: scale(1);
}

.modal-lg {
    max-width: 720px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.15rem;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 1.6rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.modal-card form {
    padding: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1.15rem;
}

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

.form-group label.required::after {
    content: " *";
    color: var(--danger);
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group textarea,
.form-group select {
    padding: 0.6rem 0.9rem;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 0.88rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

.sm-group {
    max-width: 90px;
}

.sm-group input[type="color"] {
    padding: 2px;
    height: 38px;
    cursor: pointer;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background-color: var(--bg-input);
    border-top: 1px solid var(--border-color);
}

/* Team Modal Content */
.team-modal-body {
    padding: 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

.add-member-card {
    background-color: var(--bg-card);
    border: 1px dashed var(--border-highlight);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.add-member-card h4 {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.current-members-section h4 {
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.members-list-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.member-item-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
}

.member-item-info {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

/* --- TOAST NOTIFICATIONS --- */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.25rem;
    background-color: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 0.88rem;
    animation: slideInRight 0.3s ease, fadeOut 0.3s ease 3.7s forwards;
}

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

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

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

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    to { opacity: 0; transform: translateY(10px); }
}

/* --- Responsive Adjustments --- */
@media (max-width: 900px) {
    .app-header {
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
    }

    .header-actions {
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .nav-tabs {
        width: 100%;
        justify-content: center;
    }

    .nav-btn {
        flex: 1;
        justify-content: center;
    }

    .app-main {
        padding: 1rem;
    }

    .btn-text-desktop {
        display: none;
    }
}