/* ============================================================
   PMS - Project Management System
   Modern Theme 2025
   ============================================================ */

/* ===== CSS Variables ===== */
:root {
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 0px;
    --navbar-height: 60px;

    /* Modern Color Palette - Indigo/Violet based */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-bg: rgba(99, 102, 241, 0.08);
    --secondary: #64748b;
    --secondary-light: #94a3b8;
    --success: #10b981;
    --success-light: #34d399;
    --success-bg: rgba(16, 185, 129, 0.08);
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --warning-bg: rgba(245, 158, 11, 0.08);
    --danger: #ef4444;
    --danger-light: #f87171;
    --danger-bg: rgba(239, 68, 68, 0.08);
    --info: #06b6d4;
    --info-light: #22d3ee;
    --info-bg: rgba(6, 182, 212, 0.08);
    --dark: #0f172a;
    --light: #f8fafc;

    /* Sidebar - Sleek dark theme */
    --bg-sidebar: #0f172a;
    --bg-sidebar-hover: rgba(99, 102, 241, 0.08);
    --bg-sidebar-active: rgba(99, 102, 241, 0.15);
    --text-sidebar: #94a3b8;
    --text-sidebar-active: #e2e8f0;

    /* Surface & Borders */
    --bg-body: #f1f5f9;
    --bg-surface: #ffffff;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;

    /* Shadows - Softer, more layered */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --radius-full: 9999px;

    /* Animations */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* ===== Global ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-body);
    color: #1e293b;
    overflow-x: hidden;
    font-size: 0.875rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

::selection {
    background: var(--primary-light);
    color: #fff;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ===== Top Navbar ===== */
.pms-navbar {
    background: var(--bg-surface);
    height: var(--navbar-height);
    z-index: 1040;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.95);
}

.pms-navbar .navbar-brand {
    color: var(--dark);
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.5px;
}

.pms-navbar .brand-icon {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.95rem;
}

.pms-navbar .brand-text {
    font-weight: 800;
    font-size: 1.15rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pms-navbar .sidebar-toggle-btn {
    color: var(--secondary) !important;
    padding: 0.25rem 0.5rem;
}

.pms-navbar .sidebar-toggle-btn:hover {
    color: var(--dark) !important;
}

/* Navbar Search */
.navbar-search .search-box {
    position: relative;
}

.navbar-search .search-box .form-control {
    padding-left: 2.25rem;
    border-radius: var(--radius-full);
    background-color: var(--bg-body);
    border: 1px solid var(--border-color);
    font-size: 0.82rem;
    width: 240px;
    transition: all var(--transition-base);
    height: 36px;
}

.navbar-search .search-box .form-control:focus {
    background-color: #fff;
    width: 300px;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.navbar-search .search-box .search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary-light);
    font-size: 0.82rem;
}

/* Nav Icon Buttons */
.nav-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary) !important;
    padding: 0;
    border: none;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-icon-btn:hover {
    background-color: var(--bg-body);
    color: var(--dark) !important;
}

.nav-icon-btn i {
    font-size: 1.15rem;
}

.notification-dot {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    background: var(--danger);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    border: 2px solid #fff;
}

/* User dropdown */
.user-dropdown-btn {
    border-radius: var(--radius-sm) !important;
    padding: 4px 8px !important;
    height: auto !important;
    width: auto !important;
}

.user-dropdown-btn:hover {
    background-color: var(--bg-body) !important;
}

.user-dropdown-btn .user-name {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--dark);
    line-height: 1.2;
}

.user-dropdown-btn .user-role {
    font-size: 0.68rem;
    color: var(--secondary-light);
    line-height: 1.2;
}

.notification-dropdown .notification-item {
    white-space: normal;
    border-bottom: 1px solid var(--border-light);
}

.notification-dropdown .notification-item:hover {
    background-color: var(--primary-bg);
}

/* ===== Sidebar ===== */
.pms-sidebar {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--navbar-height));
    background-color: var(--bg-sidebar);
    overflow-y: auto;
    overflow-x: hidden;
    transition: width var(--transition-base), transform var(--transition-base);
    z-index: 1030;
    padding-top: 0.5rem;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.pms-sidebar::-webkit-scrollbar {
    width: 3px;
}

.pms-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
}

.pms-sidebar .nav-section {
    padding: 1rem 1.25rem 0.35rem;
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(148, 163, 184, 0.5);
}

.pms-sidebar .nav-item {
    margin: 1px 10px;
}

.pms-sidebar .nav-link {
    color: var(--text-sidebar);
    font-size: 0.82rem;
    padding: 0.55rem 0.9rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all var(--transition-fast);
    white-space: nowrap;
    font-weight: 400;
    position: relative;
}

.pms-sidebar .nav-link i {
    font-size: 1.05rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    opacity: 0.7;
}

.pms-sidebar .nav-link:hover {
    color: var(--text-sidebar-active);
    background-color: var(--bg-sidebar-hover);
}

.pms-sidebar .nav-link:hover i {
    opacity: 1;
}

.pms-sidebar .nav-link.active {
    color: #fff;
    background-color: var(--bg-sidebar-active);
    font-weight: 500;
}

.pms-sidebar .nav-link.active i {
    opacity: 1;
    color: var(--primary-light);
}

.pms-sidebar .nav-link.active::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--primary);
    border-radius: 0 3px 3px 0;
}

.pms-sidebar .nav-link .badge {
    margin-left: auto;
    font-size: 0.6rem;
}

/* Sidebar submenu */
.pms-sidebar .submenu {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.pms-sidebar .submenu .nav-link {
    padding-left: 2.75rem;
    font-size: 0.78rem;
}

/* Sidebar collapse */
.sidebar-collapsed .pms-sidebar {
    transform: translateX(-100%);
}

.sidebar-collapsed .pms-content {
    margin-left: 0 !important;
}

/* ===== Main Content ===== */
.pms-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--navbar-height);
    padding: 1.5rem 2rem;
    min-height: calc(100vh - var(--navbar-height));
    transition: margin-left var(--transition-base);
}

/* ===== Page Header ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0;
    letter-spacing: -0.3px;
}

.page-header .breadcrumb {
    margin-bottom: 0;
    font-size: 0.78rem;
}

.page-header .breadcrumb-item a {
    color: var(--secondary);
}

.page-header .breadcrumb-item.active {
    color: var(--secondary-light);
}

/* ===== Cards ===== */
.card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-base);
    background: var(--bg-surface);
}

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

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
}

.card-body {
    padding: 1.25rem;
}

/* Stats Cards */
.stats-card {
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.12) !important;
}

.stats-card::after {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    opacity: 0.08;
}

.stats-card.success { border-left-color: var(--success); }
.stats-card.success::after { background: var(--success); }
.stats-card.warning { border-left-color: var(--warning); }
.stats-card.warning::after { background: var(--warning); }
.stats-card.danger { border-left-color: var(--danger); }
.stats-card.danger::after { background: var(--danger); }
.stats-card.info { border-left-color: var(--info); }
.stats-card.info::after { background: var(--info); }

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

/* Override Bootstrap's bg-opacity-10 on stats icons for stronger visibility */
.stats-card .stats-icon.bg-success { background-color: rgba(16, 185, 129, 0.18) !important; }
.stats-card .stats-icon.bg-danger { background-color: rgba(239, 68, 68, 0.18) !important; }
.stats-card .stats-icon.bg-warning { background-color: rgba(245, 158, 11, 0.18) !important; }
.stats-card .stats-icon.bg-primary { background-color: rgba(99, 102, 241, 0.18) !important; }
.stats-card .stats-icon.bg-info { background-color: rgba(6, 182, 212, 0.18) !important; }

.stats-card .stats-value {
    font-size: 1.65rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.5px;
    color: var(--dark);
}

.stats-card .stats-label {
    font-size: 0.75rem;
    color: var(--secondary);
    margin-top: 0.25rem;
    font-weight: 500;
}

/* ===== Tables ===== */
.table-container {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.table-container .table-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.table {
    margin-bottom: 0;
    font-size: 0.84rem;
}

.table thead th {
    background-color: var(--bg-body);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--secondary);
    padding: 0.7rem 1rem;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}

.table thead th:hover {
    background-color: #eef2f7;
    color: var(--dark);
}

.table thead th.sorted-asc::after { content: " \2191"; color: var(--primary); }
.table thead th.sorted-desc::after { content: " \2193"; color: var(--primary); }

.table tbody td {
    padding: 0.7rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-light);
    color: #334155;
}

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

.table tbody tr:hover {
    background-color: var(--primary-bg);
}

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

.table-actions {
    display: flex;
    gap: 0.25rem;
}

.table-actions .btn {
    padding: 0.2rem 0.45rem;
    font-size: 0.78rem;
}

/* Pagination */
.pagination-container {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.pagination-container .pagination-info {
    font-size: 0.78rem;
    color: var(--secondary);
}

.pagination .page-link {
    border-radius: var(--radius-sm);
    margin: 0 2px;
    font-size: 0.82rem;
    border: 1px solid var(--border-color);
    color: var(--secondary);
    font-weight: 500;
    padding: 0.3rem 0.65rem;
}

.pagination .page-link:hover {
    background-color: var(--primary-bg);
    border-color: var(--primary-light);
    color: var(--primary);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* ===== Status Badges ===== */
.badge-status {
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius-full);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.badge-active, .badge-paid, .badge-completed, .badge-approved, .badge-done {
    background-color: var(--success-bg);
    color: #059669;
}

.badge-inactive, .badge-cancelled {
    background-color: rgba(100, 116, 139, 0.1);
    color: #475569;
}

.badge-pending, .badge-todo {
    background-color: var(--warning-bg);
    color: #d97706;
}

.badge-inprogress, .badge-in-progress {
    background-color: var(--primary-bg);
    color: var(--primary-dark);
}

.badge-review {
    background-color: var(--info-bg);
    color: #0891b2;
}

.badge-overdue, .badge-rejected {
    background-color: var(--danger-bg);
    color: #dc2626;
}

.badge-onhold {
    background-color: rgba(100, 116, 139, 0.1);
    color: #475569;
}

.badge-planning {
    background-color: var(--info-bg);
    color: #0891b2;
}

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

.kanban-column {
    flex: 1 1 0;
    min-width: 170px;
    background-color: var(--bg-body);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 250px);
    border: 1px solid var(--border-color);
}

.kanban-column-header {
    padding: 0.75rem 1rem;
    font-weight: 700;
    font-size: 0.82rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid transparent;
}

.kanban-column-header .count {
    background: rgba(0, 0, 0, 0.06);
    padding: 0.15rem 0.55rem;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
}

.kanban-column.todo .kanban-column-header { border-bottom-color: var(--secondary); }
.kanban-column.inprogress .kanban-column-header { border-bottom-color: var(--primary); }
.kanban-column.review .kanban-column-header { border-bottom-color: var(--info); }
.kanban-column.done .kanban-column-header { border-bottom-color: var(--success); }
.kanban-column.onhold .kanban-column-header { border-bottom-color: var(--warning); }
.kanban-column.cancelled .kanban-column-header { border-bottom-color: var(--danger); }

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

.kanban-card {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid var(--border-color);
    border-left: 3px solid transparent;
}

.kanban-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.kanban-card.priority-high { border-left-color: var(--danger); }
.kanban-card.priority-medium { border-left-color: var(--warning); }
.kanban-card.priority-low { border-left-color: var(--success); }

.kanban-card .task-title {
    font-weight: 600;
    font-size: 0.82rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.kanban-card .task-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.72rem;
    color: var(--secondary);
}

.kanban-card .task-meta .avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    font-weight: 700;
}

/* ===== Calendar ===== */
#calendarContainer {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--border-color);
}

#taskCalendar { font-family: 'Inter', sans-serif; }
#taskCalendar .fc-button-primary {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
    border-radius: var(--radius-sm) !important;
}
#taskCalendar .fc-button-primary:hover {
    background-color: var(--primary-dark) !important;
}
#taskCalendar .fc-button-primary:not(:disabled).fc-button-active {
    background-color: var(--primary-dark) !important;
}
#taskCalendar .fc-daygrid-day.fc-day-other { background-color: #fafbfc; }
#taskCalendar .fc-daygrid-day:hover { background-color: var(--primary-bg); }
#taskCalendar .fc-event {
    border: none !important;
    background-color: var(--primary) !important;
    border-radius: 4px !important;
}

/* ===== Timer ===== */
.timer-display {
    font-family: 'Inter', monospace;
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: 1px;
    white-space: nowrap;
}

.timer-display.running { color: var(--success); }

.timer-card {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: #fff;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.timer-card .form-select,
.timer-card .form-control {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.timer-card .form-select:focus,
.timer-card .form-control:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--primary);
    color: #fff;
}

.timer-card .form-select option { color: #1e293b; background: #fff; }

.timer-card .timer-display { color: #fff; }
.timer-card .timer-display.running { color: var(--success-light); }

.timer-card .btn-start {
    background: linear-gradient(135deg, var(--success), #059669);
    border: none;
    color: #fff;
    padding: 0.5rem 1.75rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.timer-card .btn-stop,
.timer-card .btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    border: none;
    color: #fff;
    padding: 0.5rem 1.75rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* ===== Modals ===== */
.modal-content {
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.15rem 1.5rem;
}

.modal-body { padding: 1.5rem; }

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

.modal-title {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--dark);
}

.modal-backdrop.show { opacity: 0.4; }

/* ===== Forms ===== */
.form-label {
    font-weight: 600;
    font-size: 0.78rem;
    color: var(--secondary);
    margin-bottom: 0.3rem;
    letter-spacing: 0.2px;
}

.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    font-size: 0.84rem;
    transition: all var(--transition-fast);
    color: #1e293b;
    background-color: var(--bg-surface);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.form-control::placeholder {
    color: var(--secondary-light);
}

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

.invalid-feedback { font-size: 0.72rem; }

.form-control-sm, .form-select-sm {
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

/* Input groups */
.input-group .form-control {
    border-radius: var(--radius-sm);
}

.input-group-text {
    border-radius: var(--radius-sm);
    background-color: var(--bg-body);
    border-color: var(--border-color);
    color: var(--secondary);
    font-size: 0.84rem;
}

/* ===== Buttons ===== */
.btn {
    font-size: 0.84rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    padding: 0.45rem 1rem;
    transition: all var(--transition-fast);
    letter-spacing: 0.1px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), #4338ca);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    border: none;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669, #047857);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    border: none;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

.btn-outline-primary {
    border-color: var(--primary-light);
    color: var(--primary);
}

.btn-outline-primary:hover {
    background-color: var(--primary-bg);
    border-color: var(--primary);
    color: var(--primary-dark);
}

.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--secondary);
}

.btn-outline-secondary:hover {
    background-color: var(--bg-body);
    border-color: var(--secondary-light);
    color: var(--dark);
}

.btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.78rem;
    border-radius: var(--radius-sm);
}

.btn-icon {
    width: 34px;
    height: 34px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.btn-light {
    background: var(--bg-body);
    border-color: var(--border-color);
    color: var(--secondary);
}

/* ===== Search Box ===== */
.search-box {
    position: relative;
}

.search-box .form-control {
    padding-left: 2.25rem;
    border-radius: var(--radius-full);
    background-color: var(--bg-body);
    border: 1px solid var(--border-color);
}

.search-box .form-control:focus {
    background-color: #fff;
    border-color: var(--primary-light);
}

.search-box .search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary-light);
    font-size: 0.82rem;
}

/* ===== Loading Spinner ===== */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: inherit;
    backdrop-filter: blur(3px);
}

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

.spinner-container .spinner-border {
    width: 2rem;
    height: 2rem;
    border-width: 0.2rem;
    color: var(--primary);
}

.spinner-container p {
    margin-top: 0.5rem;
    font-size: 0.82rem;
    color: var(--secondary);
}

/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    top: 70px;
    right: 20px;
    z-index: 1080;
}

.toast {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 320px;
    background: var(--bg-surface);
    backdrop-filter: blur(20px);
}

.toast.toast-success { border-left: 4px solid var(--success); }
.toast.toast-danger { border-left: 4px solid var(--danger); }
.toast.toast-warning { border-left: 4px solid var(--warning); }
.toast.toast-info { border-left: 4px solid var(--info); }

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.35;
    color: var(--secondary-light);
}

.empty-state h5 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.empty-state p {
    font-size: 0.88rem;
    color: var(--secondary);
}

/* ===== Avatar ===== */
.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.82rem;
    color: #fff;
    flex-shrink: 0;
}

.avatar-sm { width: 30px; height: 30px; font-size: 0.68rem; }
.avatar-lg { width: 48px; height: 48px; font-size: 1.05rem; }

.avatar-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }
.avatar-success { background: linear-gradient(135deg, var(--success), #059669); }
.avatar-warning { background: linear-gradient(135deg, var(--warning), #d97706); }
.avatar-danger { background: linear-gradient(135deg, var(--danger), #dc2626); }
.avatar-info { background: linear-gradient(135deg, var(--info), #0891b2); }

/* ===== Footer ===== */
.pms-footer {
    text-align: center;
    padding: 1.25rem;
    font-size: 0.75rem;
    color: var(--secondary-light);
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
}

/* ===== Chart Container ===== */
.chart-container {
    position: relative;
    width: 100%;
    height: 300px;
}

/* ===== Tabs ===== */
.nav-tabs {
    border-bottom: 1px solid var(--border-color);
}

.nav-tabs .nav-link {
    font-weight: 500;
    color: var(--secondary);
    border: none;
    padding: 0.75rem 1.15rem;
    font-size: 0.84rem;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-tabs .nav-link:hover {
    color: var(--primary);
    background-color: var(--primary-bg);
    border-color: transparent;
}

.nav-tabs .nav-link.active {
    color: var(--primary);
    background-color: transparent;
    border-bottom: 2px solid var(--primary);
    font-weight: 600;
}

/* ===== Finance Cards ===== */
.finance-card {
    border-radius: var(--radius-xl);
    padding: 1.25rem;
    color: #fff;
    position: relative;
    overflow: hidden;
    border: none;
}

.finance-card::after {
    content: '';
    position: absolute;
    top: -25px;
    right: -25px;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.finance-card::before {
    content: '';
    position: absolute;
    bottom: -30px;
    left: -20px;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
}

.finance-card.income { background: linear-gradient(135deg, #10b981, #059669); }
.finance-card.expense { background: linear-gradient(135deg, #ef4444, #dc2626); }
.finance-card.salary { background: linear-gradient(135deg, #f59e0b, #d97706); }
.finance-card.profit { background: linear-gradient(135deg, #6366f1, #4f46e5); }

.finance-card .finance-value {
    font-size: 1.65rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.finance-card .finance-label {
    font-size: 0.82rem;
    opacity: 0.85;
    font-weight: 500;
}

/* ===== Project Card ===== */
.project-card {
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
}

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

.project-card .progress {
    height: 5px;
    border-radius: 3px;
    background: var(--bg-body);
}

.project-card .progress-bar {
    border-radius: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

/* ===== Login Page ===== */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 30%, #334155 60%, #475569 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
}

.login-page::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1), transparent 70%);
}

.login-card {
    background: rgba(255, 255, 255, 0.97);
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(20px);
}

.login-card .login-header {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    padding: 2rem;
    text-align: center;
    color: #fff;
}

.login-card .login-header h2 {
    font-weight: 800;
    margin-bottom: 0.25rem;
    letter-spacing: -0.5px;
}

.login-card .login-header p {
    opacity: 0.7;
    font-size: 0.88rem;
    margin-bottom: 0;
}

.login-card .login-body {
    padding: 2rem;
}

.login-card .btn-login {
    width: 100%;
    padding: 0.65rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.login-card .btn-login:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

/* ===== Alerts ===== */
.alert {
    border-radius: var(--radius-md);
    border: none;
    font-size: 0.84rem;
}

.alert-info {
    background-color: var(--info-bg);
    color: #0e7490;
    border-left: 4px solid var(--info);
}

.alert-warning {
    background-color: var(--warning-bg);
    color: #92400e;
    border-left: 4px solid var(--warning);
}

.alert-danger {
    background-color: var(--danger-bg);
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

.alert-success {
    background-color: var(--success-bg);
    color: #065f46;
    border-left: 4px solid var(--success);
}

/* ===== Flatpickr Overrides ===== */
.flatpickr-input {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 0a.5.5 0 0 1 .5.5V1h8V.5a.5.5 0 0 1 1 0V1h1a2 2 0 0 1 2 2v11a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2V3a2 2 0 0 1 2-2h1V.5a.5.5 0 0 1 .5-.5zM1 4v10a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1V4H1z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 14px;
    padding-right: 2.25rem !important;
}

.flatpickr-calendar {
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-xl) !important;
    border: 1px solid var(--border-color) !important;
}

/* ===== Select2 Overrides ===== */
.select2-container--bootstrap-5 .select2-selection {
    border-radius: var(--radius-sm) !important;
    border-color: var(--border-color) !important;
    min-height: 36px !important;
    font-size: 0.84rem !important;
}

.select2-container--bootstrap-5.select2-container--focus .select2-selection {
    border-color: var(--primary-light) !important;
    box-shadow: 0 0 0 3px var(--primary-bg) !important;
}

.select2-dropdown {
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-lg) !important;
    border-color: var(--border-color) !important;
}

.select2-results__option--selected {
    background-color: var(--primary-bg) !important;
}

.select2-results__option--highlighted {
    background-color: var(--primary) !important;
}

/* ===== Dropdown Menu ===== */
.dropdown-menu {
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: 0.35rem;
    font-size: 0.84rem;
}

.dropdown-item {
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.75rem;
    font-size: 0.84rem;
    color: #334155;
}

.dropdown-item:hover {
    background-color: var(--primary-bg);
    color: var(--primary-dark);
}

.dropdown-item i {
    color: var(--secondary);
}

.dropdown-divider {
    border-color: var(--border-light);
}

/* ===== Responsive Design ===== */
@media (max-width: 991.98px) {
    .pms-sidebar {
        transform: translateX(-100%);
    }

    .pms-sidebar.show {
        transform: translateX(0);
    }

    .pms-content {
        margin-left: 0;
        padding: 1rem;
    }

    .kanban-board {
        flex-direction: column;
    }

    .kanban-column {
        flex: none;
        width: 100%;
        max-height: 400px;
    }
}

@media (max-width: 767.98px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .stats-card .stats-value {
        font-size: 1.35rem;
    }

    .timer-display {
        font-size: 1.75rem;
    }

    .pms-content {
        padding: 0.75rem;
    }
}

/* ===== Utility Classes ===== */
.cursor-pointer { cursor: pointer; }

.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hover-lift {
    transition: all var(--transition-base);
}

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

.gap-05 { gap: 0.5rem !important; }

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Filter row */
.filter-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: end;
    margin-bottom: 1rem;
}

.filter-row .form-group {
    min-width: 150px;
}

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1025;
    backdrop-filter: blur(4px);
}

.sidebar-overlay.show {
    display: block;
}

/* ===== Smooth Transitions ===== */
.card, .btn, .form-control, .form-select, .nav-link, .table tbody tr, .kanban-card, .project-card {
    transition: all var(--transition-fast);
}

/* Custom checkbox/radio */
.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.form-switch .form-check-input:checked {
    background-color: var(--primary);
}

/* Badge refinements */
.badge {
    font-weight: 600;
    letter-spacing: 0.2px;
}

.bg-primary { background-color: var(--primary) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-danger { background-color: var(--danger) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-info { background-color: var(--info) !important; }
.bg-secondary { background-color: var(--secondary) !important; }

/* Table borders for bordered tables */
.table-bordered {
    border: 1px solid var(--border-color);
}

.table-bordered th, .table-bordered td {
    border-color: var(--border-color);
}

/* Tab content */
.tab-content > .tab-pane {
    animation: fadeInTab 0.2s ease;
}

@keyframes fadeInTab {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}