@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Color Palette */
    --bg-dark: #0f111a;
    --bg-gradient: radial-gradient(circle at top right, #1d1e30, #0d0e15 60%);
    --panel-bg: rgba(30, 32, 50, 0.45);
    --panel-border: rgba(255, 255, 255, 0.08);
    --panel-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    --primary: #6366f1;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    --accent: #a855f7;
    --accent-gradient: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --todo-color: #38bdf8;
    --todo-bg: rgba(56, 189, 248, 0.15);
    --progress-color: #fbbf24;
    --progress-bg: rgba(251, 191, 36, 0.15);
    --done-color: #34d399;
    --done-bg: rgba(52, 211, 153, 0.15);
    --overdue-color: #f87171;
    --overdue-bg: rgba(248, 113, 113, 0.15);

    --border-radius-lg: 16px;
    --border-radius-md: 12px;
    --border-radius-sm: 8px;
    
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-gradient);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
}

button, input, select, textarea {
    font-family: inherit;
    color: inherit;
}

/* Glassmorphism Panel Template */
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--panel-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--panel-shadow);
}

/* Layout Utilities */
.hidden {
    display: none !important;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header Styles */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.brand-logo {
    width: 42px;
    height: 42px;
    border-radius: var(--border-radius-md);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    color: #fff;
}

.brand-text h1 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #fff 30%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

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

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 4px 10px rgba(168, 85, 247, 0.3);
}

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

.user-info .name {
    font-weight: 600;
    font-size: 0.95rem;
    display: block;
}

.user-info .role {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.08);
    padding: 1px 8px;
    border-radius: 20px;
    margin-top: 2px;
    display: inline-block;
}

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius-sm);
    border: none;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary {
    background: var(--primary-gradient);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.45);
}

.btn-accent {
    background: var(--accent-gradient);
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(168, 85, 247, 0.45);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--panel-border);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.4);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    border-radius: 6px;
}

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

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

.form-control {
    width: 100%;
    background: rgba(15, 17, 26, 0.5);
    border: 1px solid var(--panel-border);
    border-radius: var(--border-radius-sm);
    padding: 0.625rem 0.875rem;
    outline: none;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

select.form-control option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

/* =========================================
   1. LOGIN VIEW
   ========================================= */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 440px;
    padding: 2.5rem;
}

.login-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2rem;
}

.login-logo .brand-logo {
    width: 60px;
    height: 60px;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.login-logo h2 {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

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

.quick-select-title {
    margin: 1.5rem 0 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
}

.quick-select-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.quick-select-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--panel-border);
    border-radius: var(--border-radius-md);
    padding: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: left;
}

.quick-select-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.quick-select-btn .btn-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.quick-select-btn.manager-btn .btn-avatar {
    background: var(--primary-gradient);
}

.quick-select-btn.member-btn .btn-avatar {
    background: var(--accent-gradient);
}

.quick-select-btn .btn-name {
    font-size: 0.85rem;
    font-weight: 500;
}

.quick-select-btn .btn-role {
    font-size: 0.7rem;
    color: var(--text-secondary);
    display: block;
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.divider::before, .divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.divider:not(:empty)::before {
    margin-right: .5em;
}

.divider:not(:empty)::after {
    margin-left: .5em;
}

/* =========================================
   2. MANAGER VIEW
   ========================================= */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.stat-card.total::before { background: var(--primary); }
.stat-card.todo::before { background: var(--todo-color); }
.stat-card.progress::before { background: var(--progress-color); }
.stat-card.done::before { background: var(--done-color); }
.stat-card.overdue::before { background: var(--overdue-color); }

.stat-card .stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.stat-card .stat-value {
    font-size: 2.25rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    margin: 0.25rem 0;
}

.stat-card .stat-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Layout for Manager Section Panels */
.manager-sections {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.section-panel {
    padding: 1.5rem;
}

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

.panel-header h2 {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Member Management and Stats */
.member-stats-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 350px;
    overflow-y: auto;
    padding-right: 0.25rem;
}

.member-stat-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-md);
    padding: 0.875rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.member-stat-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.member-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.member-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.member-mini-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
}

.member-detail h3 {
    font-size: 0.9rem;
    font-weight: 600;
}

.member-detail p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.member-delete-btn {
    opacity: 0;
    transition: var(--transition-fast);
}

.member-stat-item:hover .member-delete-btn {
    opacity: 1;
}

/* Progress bar */
.progress-bar-container {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    border-radius: 10px;
    background: var(--primary-gradient);
    transition: width 0.5s ease;
}

.progress-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Task Explorer (Manager Dashboard View) */
.tasks-explorer {
    padding: 1.5rem;
}

.filter-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.filter-bar .form-control {
    max-width: 200px;
}

.tasks-table-container {
    overflow-x: auto;
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

.tasks-table th {
    background: rgba(15, 17, 26, 0.4);
    padding: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.tasks-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.tasks-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.01);
}

/* Badges for status */
.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

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

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

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

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

/* =========================================
   3. MEMBER VIEW & KANBAN BOARD
   ========================================= */
.kanban-board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    align-items: start;
    margin-top: 1rem;
}

.kanban-column {
    border-radius: var(--border-radius-lg);
    padding: 1.25rem;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: var(--transition-smooth);
}

.kanban-column.dragover {
    background: rgba(255, 255, 255, 0.04);
    border: 1px dashed var(--primary);
}

.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.03);
}

.column-title-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.column-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.column-todo .column-dot { background: var(--todo-color); }
.column-progress .column-dot { background: var(--progress-color); }
.column-done .column-dot { background: var(--done-color); }

.column-header h2 {
    font-size: 1.05rem;
}

.column-count {
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.column-cards-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex-grow: 1;
    min-height: 500px;
}

/* Kanban Cards styling */
.task-card {
    background: rgba(15, 17, 26, 0.4);
    border: 1px solid var(--panel-border);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    cursor: grab;
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    user-select: none;
}

.task-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

.task-card.dragging {
    opacity: 0.4;
    transform: scale(0.96);
    border: 1px dashed var(--primary);
}

.task-card.card-overdue {
    border-left: 3px solid var(--overdue-color);
}

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

.card-title {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.3;
}

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

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding-top: 0.75rem;
}

.card-date, .card-deadline {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-deadline.danger {
    color: #fca5a5;
    background: rgba(239, 68, 68, 0.15);
    padding: 1px 6px;
    border-radius: 4px;
}

.card-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: var(--transition-fast);
}

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

.card-action-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 2px;
    border-radius: 4px;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.card-action-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.card-action-btn.delete-btn:hover {
    color: #fca5a5;
    background: rgba(239, 68, 68, 0.2);
}

/* =========================================
   4. MODALS
   ========================================= */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 11, 18, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-smooth);
}

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

.modal-card {
    width: 100%;
    max-width: 500px;
    padding: 2rem;
    transform: translateY(20px);
    transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal-card {
    transform: translateY(0);
}

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

.modal-header h2 {
    font-size: 1.3rem;
}

.close-btn {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Responsive grid adjustments */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .manager-sections {
        grid-template-columns: 1fr;
    }
    
    .kanban-board {
        grid-template-columns: 1fr;
    }
    
    .kanban-column {
        min-height: auto;
    }
}

@media (max-width: 640px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-bar {
        flex-direction: column;
    }
    
    .filter-bar .form-control {
        max-width: 100%;
    }
    
    .container {
        padding: 1rem;
    }
}