/**
 * TataPlan.app - Main Stylesheet
 * Notion-style Design with Blue & White Theme
 */

/* =============================================
   CSS Variables
============================================= */
:root {
    /* Primary Colors */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --primary-bg: #eff6ff;
    
    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success: #10b981;
    --success-bg: #d1fae5;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --info: #3b82f6;
    --info-bg: #dbeafe;
    
    /* Priority Colors */
    --priority-low: #10b981;
    --priority-medium: #f59e0b;
    --priority-high: #f97316;
    --priority-urgent: #ef4444;
    
    /* Layout */
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --navbar-height: 64px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-50);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* =============================================
   Typography
============================================= */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

.text-muted { color: var(--gray-500); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-center { text-align: center; }
.text-right { text-align: right; }

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

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: white;
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition-slow), width var(--transition-slow);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-100);
    min-height: var(--navbar-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.logo img {
    height: 32px;
    width: auto;
}

.logo i {
    font-size: 1.5rem;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: background var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--gray-100);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0;
}

.sidebar-nav ul {
    list-style: none;
}

.nav-section-title {
    padding: 1.5rem 1.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--gray-400);
    letter-spacing: 0.05em;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    color: var(--gray-600);
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-item a i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.nav-item a:hover {
    background: var(--gray-50);
    color: var(--gray-900);
}

.nav-item a:hover i {
    color: var(--gray-600);
}

.nav-item.active a {
    background: var(--primary-bg);
    color: var(--primary);
    border-left-color: var(--primary);
}

.nav-item.active a i {
    color: var(--primary);
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--gray-100);
}

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

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    overflow: hidden;
    flex-shrink: 0;
}

.user-avatar.small {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    color: var(--gray-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition-slow);
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    height: var(--navbar-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 50;
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--gray-600);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
}

.search-box {
    position: relative;
    width: 320px;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.search-box input {
    width: 100%;
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    background: var(--gray-50);
    transition: all var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-item {
    position: relative;
}

.icon-btn {
    position: relative;
    background: none;
    border: none;
    color: var(--gray-500);
    font-size: 1.125rem;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.icon-btn .badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--danger);
    color: white;
    font-size: 0.625rem;
    font-weight: 600;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: none;
    border: 1px solid var(--gray-200);
    border-radius: 999px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-btn:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.user-btn .user-name-nav {
    font-weight: 500;
    color: var(--gray-700);
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-btn i {
    font-size: 0.75rem;
    color: var(--gray-400);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    color: var(--gray-700);
    font-size: 0.875rem;
    transition: background var(--transition-fast);
}

.dropdown-menu a i {
    width: 16px;
    color: var(--gray-400);
}

.dropdown-menu a:hover {
    background: var(--gray-50);
}

.dropdown-menu a.text-danger {
    color: var(--danger);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-100);
    margin: 0.375rem 0;
}

.dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-100);
}

.dropdown-header h4 {
    font-size: 0.875rem;
    font-weight: 600;
}

.dropdown-header a {
    font-size: 0.75rem;
}

.dropdown-footer {
    display: block;
    text-align: center;
    padding: 0.75rem;
    border-top: 1px solid var(--gray-100);
    font-size: 0.875rem;
    color: var(--primary);
}

.notification-menu {
    width: 360px;
}

.notification-list {
    max-height: 320px;
    overflow-y: auto;
}

.notification-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-50);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.notification-item:hover {
    background: var(--gray-50);
}

.notification-item.unread {
    background: var(--primary-bg);
}

.notification-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-title {
    font-weight: 500;
    color: var(--gray-900);
    font-size: 0.875rem;
    margin-bottom: 0.125rem;
}

.notification-message {
    font-size: 0.75rem;
    color: var(--gray-500);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notification-time {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 0.25rem;
}

/* Page Content */
.page-content {
    flex: 1;
    padding: 1.5rem;
}

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

.page-header h1 {
    font-size: 1.5rem;
}

.page-header .breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.page-header .breadcrumb a {
    color: var(--gray-500);
}

.page-header .breadcrumb a:hover {
    color: var(--primary);
}

.page-header .breadcrumb i {
    font-size: 0.625rem;
}

/* =============================================
   Components
============================================= */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

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

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    background: var(--gray-100);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-icon {
    padding: 0.5rem;
    width: 36px;
    height: 36px;
}

/* Cards */
.card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stat-icon.blue {
    background: var(--primary-bg);
    color: var(--primary);
}

.stat-icon.green {
    background: var(--success-bg);
    color: var(--success);
}

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

.stat-icon.red {
    background: var(--danger-bg);
    color: var(--danger);
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

.stat-change {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.stat-change.up {
    color: var(--success);
}

.stat-change.down {
    color: var(--danger);
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.375rem;
}

.form-label.required::after {
    content: '*';
    color: var(--danger);
    margin-left: 0.25rem;
}

.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    background: white;
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.form-control:disabled {
    background: var(--gray-100);
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px var(--danger-bg);
}

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

select.form-control {
    cursor: pointer;
}

.form-text {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.form-error {
    font-size: 0.75rem;
    color: var(--danger);
    margin-top: 0.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

/* Table */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-100);
}

.table th {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--gray-500);
    background: var(--gray-50);
    letter-spacing: 0.05em;
}

.table tbody tr:hover {
    background: var(--gray-50);
}

.table .actions {
    display: flex;
    gap: 0.5rem;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 999px;
}

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

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

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

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

.badge-gray {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* Priority Badges */
.priority-low {
    background: #d1fae5;
    color: #065f46;
}

.priority-medium {
    background: #fef3c7;
    color: #92400e;
}

.priority-high {
    background: #ffedd5;
    color: #9a3412;
}

.priority-urgent {
    background: #fee2e2;
    color: #991b1b;
}

/* Status Badges */
.status-todo {
    background: var(--gray-100);
    color: var(--gray-600);
}

.status-progress {
    background: #dbeafe;
    color: #1e40af;
}

.status-review {
    background: #fef3c7;
    color: #92400e;
}

.status-done {
    background: #d1fae5;
    color: #065f46;
}

.status-cancelled {
    background: #fee2e2;
    color: #991b1b;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}

.modal-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--transition);
}

.modal.show .modal-container {
    transform: scale(1);
}

.modal-sm .modal-container { max-width: 400px; }
.modal-lg .modal-container { max-width: 700px; }
.modal-xl .modal-container { max-width: 900px; }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-100);
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-400);
    cursor: pointer;
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--gray-600);
}

.modal-body {
    padding: 1.25rem;
    overflow-y: auto;
    max-height: calc(90vh - 130px);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--gray-400);
    animation: slideIn 0.3s ease;
}

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

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast.info { border-left-color: var(--info); }

.toast-icon {
    font-size: 1.25rem;
}

.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--info); }

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--gray-900);
}

.toast-message {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.toast-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.25rem;
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--gray-500);
}

.spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
}

.empty-state i {
    font-size: 3rem;
    color: var(--gray-300);
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

/* =============================================
   Kanban Board
============================================= */
.kanban-board {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 1rem;
    min-height: 500px;
}

.kanban-column {
    flex-shrink: 0;
    width: 300px;
    background: var(--gray-100);
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 200px);
}

.kanban-column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.kanban-column-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--gray-700);
}

.kanban-column-count {
    background: var(--gray-200);
    color: var(--gray-600);
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
}

.kanban-cards {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

.kanban-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 0.875rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.kanban-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.kanban-card-title {
    font-weight: 500;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.kanban-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--gray-500);
}

.kanban-card-labels {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.kanban-card-label {
    width: 32px;
    height: 4px;
    border-radius: 2px;
}

.kanban-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--gray-100);
}

.kanban-card-assignee {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    font-size: 0.625rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.kanban-card-stats {
    display: flex;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: var(--gray-400);
}

.kanban-card-stats span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.kanban-add-card {
    margin: 0.5rem;
    padding: 0.625rem;
    color: var(--gray-500);
    background: transparent;
    border: 1px dashed var(--gray-300);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    width: calc(100% - 1rem);
}

.kanban-add-card:hover {
    background: white;
    border-color: var(--primary);
    color: var(--primary);
}

/* =============================================
   Quick Actions
============================================= */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.quick-action:hover {
    border-color: var(--primary);
    background: var(--primary-bg);
}

.quick-action i {
    font-size: 1.25rem;
    color: var(--primary);
}

.quick-action span {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-700);
}

/* =============================================
   Attendance Widget
============================================= */
.attendance-widget {
    text-align: center;
    padding: 1.5rem;
}

.clock-display {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.date-display {
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

.clock-btn {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--primary);
    background: white;
    color: var(--primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    margin: 0 auto 1rem;
    transition: all var(--transition);
}

.clock-btn i {
    font-size: 1.5rem;
}

.clock-btn:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.05);
}

.clock-btn.clocked-in {
    border-color: var(--success);
    color: var(--success);
}

.clock-btn.clocked-in:hover {
    background: var(--success);
    color: white;
}

.attendance-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
    font-size: 0.875rem;
}

.attendance-info div {
    text-align: center;
}

.attendance-info label {
    color: var(--gray-500);
    display: block;
}

.attendance-info span {
    font-weight: 600;
    color: var(--gray-900);
}

/* =============================================
   Login Page
============================================= */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 1rem;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.login-header {
    text-align: center;
    padding: 2rem 2rem 1.5rem;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-100);
}

.login-header .logo {
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
    justify-content: center;
}

.login-header p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.login-body {
    padding: 2rem;
}

.login-footer {
    padding: 1.5rem 2rem;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
    text-align: center;
}

.login-footer p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.alert-danger {
    background: var(--danger-bg);
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: var(--success-bg);
    color: #065f46;
    border: 1px solid #a7f3d0;
}

/* =============================================
   Responsive
============================================= */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .sidebar-toggle {
        display: flex;
    }
    
    .search-box {
        display: none;
    }
}

@media (max-width: 768px) {
    .page-content {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .kanban-column {
        width: 280px;
    }
    
    .user-btn .user-name-nav {
        display: none;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal-container {
        margin: 1rem;
        max-height: calc(100vh - 2rem);
    }
}

/* Empty State Button - Make smaller */
.empty-state .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Empty State - Smaller compact button like header buttons */
.empty-state .btn {
    display: inline-flex !important;
    flex-direction: row !important;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem !important;
    font-size: 0.875rem !important;
}
.empty-state .btn i {
    font-size: 0.875rem !important;
    margin: 0 !important;
    display: inline !important;
}