/* ============================================
   HRM System Styles
   Modern, Clean, Professional Design
   ============================================ */

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

:root {
    --color-primary: #10b981;
    --color-primary-dark: #059669;
    --color-primary-light: #34d399;
    --color-secondary: #6366f1;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;

    --color-bg: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;
    --color-bg-card: #1e293b;
    --color-bg-hover: #334155;

    --color-text: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;

    --color-border: rgba(148, 163, 184, 0.1);
    --color-border-hover: rgba(148, 163, 184, 0.2);

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3);

    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    --sidebar-width: 260px;
    --header-height: 80px;
}

/* Light Theme */
[data-theme="light"] {
    --color-bg: #f8fafc;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #f1f5f9;
    --color-bg-card: #ffffff;
    --color-bg-hover: #f1f5f9;

    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;

    --color-border: rgba(15, 23, 42, 0.1);
    --color-border-hover: rgba(15, 23, 42, 0.2);

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Demo Banner */
.demo-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10000;
    font-size: 0.875rem;
}

.demo-banner.hidden {
    display: none;
}

body:not(.banner-hidden) .sidebar {
    top: 44px;
    height: calc(100vh - 44px);
}

body:not(.banner-hidden) .main {
    padding-top: calc(var(--spacing-lg) + 44px);
}

.demo-banner__icon {
    flex-shrink: 0;
}

.demo-banner__text {
    flex: 1;
}

.demo-banner__close {
    background: rgba(255,255,255,0.2);
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.demo-banner__close:hover {
    background: rgba(255,255,255,0.3);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
    padding: 0;
}

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

.mobile-menu-btn svg {
    width: 20px;
    height: 20px;
    color: var(--color-text);
}

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar__header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text);
}

.logo svg {
    color: var(--color-primary);
}

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

.sidebar__nav {
    flex: 1;
    padding: var(--spacing-sm);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.2s;
    margin-bottom: var(--spacing-xs);
    position: relative;
}

.nav-item:hover {
    background: var(--color-bg-hover);
    color: var(--color-text);
}

.nav-item--active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
}

.nav-item svg {
    flex-shrink: 0;
}

.nav-item__badge {
    margin-left: auto;
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    border-radius: 12px;
    font-weight: 600;
}

.nav-item--active .nav-item__badge {
    background: rgba(255,255,255,0.3);
}

.sidebar__footer {
    padding: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

/* Main Content */
.main {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: var(--spacing-lg);
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.header__left {
    display: flex;
    flex-direction: column;
}

.header__title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--color-text), var(--color-text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header__subtitle {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.header__right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.header__search {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
}

.header__search input {
    background: transparent;
    border: none;
    color: var(--color-text);
    outline: none;
    width: 200px;
}

.header__search input::placeholder {
    color: var(--color-text-muted);
}

.header__notification {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.header__notification:hover {
    background: var(--color-bg-hover);
    color: var(--color-text);
}

.header__notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--color-danger);
    color: white;
    font-size: 0.625rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.theme-toggle:hover {
    background: var(--color-bg-hover);
    color: var(--color-text);
}

.theme-toggle__icon--moon {
    display: none;
}

[data-theme="light"] .theme-toggle__icon--sun {
    display: none;
}

[data-theme="light"] .theme-toggle__icon--moon {
    display: block;
}

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

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

.user-avatar--lg {
    width: 80px;
    height: 80px;
    font-size: 1.5rem;
}

.user-avatar--clickable {
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.user-avatar--clickable:hover {
    transform: scale(1.05);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
}

.header__user {
    position: relative;
}

.user-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 240px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s;
    z-index: 100;
}

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

.user-menu__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
}

.user-menu__info {
    flex: 1;
}

.user-menu__name {
    font-weight: 600;
    color: var(--color-text);
}

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

.user-menu__divider {
    height: 1px;
    background: var(--color-border);
}

.user-menu__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    font-size: inherit;
}

.user-menu__item:hover {
    background: var(--color-bg-hover);
    color: var(--color-text);
}

.user-menu__item--danger:hover {
    color: var(--color-danger);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
}

.btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

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

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

.btn--danger {
    background: linear-gradient(135deg, var(--color-danger), #dc2626);
    color: white;
}

.btn--sm {
    padding: 6px 12px;
    font-size: 0.8125rem;
}

.btn--lg {
    padding: 14px 24px;
    font-size: 1rem;
}

/* Stats Cards */
.stats {
    margin-bottom: var(--spacing-lg);
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

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

.stat-card--primary::before { background: var(--color-primary); }
.stat-card--success::before { background: var(--color-success); }
.stat-card--warning::before { background: var(--color-warning); }
.stat-card--info::before { background: var(--color-info); }
.stat-card--danger::before { background: var(--color-danger); }

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card--primary .stat-card__icon {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-primary);
}

.stat-card--success .stat-card__icon {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
}

.stat-card--warning .stat-card__icon {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.stat-card--info .stat-card__icon {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info);
}

.stat-card--danger .stat-card__icon {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.stat-card__content {
    flex: 1;
    min-width: 0;
}

.stat-card__label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-card__value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.stat-card__change {
    font-size: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.stat-card__change--positive {
    color: var(--color-success);
}

.stat-card__change--negative {
    color: var(--color-danger);
}

/* Charts */
.charts {
    margin-bottom: var(--spacing-lg);
}

.charts__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-md);
}

.chart-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.chart-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.chart-card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

.chart-card__select {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    color: var(--color-text);
    font-size: 0.8125rem;
    cursor: pointer;
}

.chart-card__body {
    padding: var(--spacing-md);
    height: 300px;
}

/* Activity Section */
.activity {
    margin-bottom: var(--spacing-lg);
}

.activity__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.activity-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.activity-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.activity-card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

.activity-card__link {
    font-size: 0.875rem;
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.activity-card__link:hover {
    color: var(--color-primary-light);
}

.activity-card__body {
    padding: var(--spacing-md);
}

/* Activity Items */
.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background 0.2s;
}

.activity-item:hover {
    background: var(--color-bg-hover);
}

.activity-item__icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-item__icon--success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
}

.activity-item__icon--warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.activity-item__icon--info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info);
}

.activity-item__icon--danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.activity-item__content {
    flex: 1;
    min-width: 0;
}

.activity-item__text {
    font-size: 0.875rem;
    color: var(--color-text);
    margin-bottom: 2px;
}

.activity-item__text strong {
    font-weight: 600;
}

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

.activity-item__amount {
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
}

/* Employee Cards Grid */
.employees-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.employee-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all 0.3s;
    cursor: pointer;
}

.employee-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.employee-card__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.employee-card__avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
    flex-shrink: 0;
}

.employee-card__info {
    flex: 1;
    min-width: 0;
}

.employee-card__name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.employee-card__position {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.employee-card__department {
    font-size: 0.75rem;
    color: var(--color-primary);
    background: rgba(16, 185, 129, 0.1);
    padding: 2px 8px;
    border-radius: 12px;
    display: inline-block;
    margin-top: 4px;
}

.employee-card__body {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.employee-card__stat {
    text-align: center;
}

.employee-card__stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.employee-card__stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.employee-card__status {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge--success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
}

.badge--warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.badge--danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.badge--info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info);
}

.badge--primary {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-primary);
}

/* Data Table */
.table-container {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.table-filters {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.table-search {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    min-width: 200px;
}

.table-search::placeholder {
    color: var(--color-text-muted);
}

.table-filter {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    cursor: pointer;
}

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

.data-table th,
.data-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

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

.data-table tbody tr {
    transition: background 0.2s;
}

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

.table-row-clickable {
    cursor: pointer;
}

.table-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.table-user__avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.table-user__name {
    font-weight: 500;
    color: var(--color-text);
}

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

.table-actions {
    display: flex;
    gap: 4px;
}

.table-action {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

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

/* Pagination */
.table-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
}

.pagination-btn {
    padding: 8px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s;
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.pagination-pages {
    display: flex;
    gap: 4px;
}

.pagination-page {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s;
}

.pagination-page:hover {
    background: var(--color-bg-hover);
}

.pagination-page--active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* Kanban Board */
.kanban-board {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
}

.kanban-column {
    min-width: 320px;
    max-width: 320px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
}

.kanban-column__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.kanban-column__title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text);
}

.kanban-column__count {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

.kanban-column__body {
    flex: 1;
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    min-height: 200px;
}

.kanban-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: grab;
    transition: all 0.2s;
}

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

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

.kanban-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.kanban-card__title {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.9375rem;
}

.kanban-card__body {
    margin-bottom: var(--spacing-sm);
}

.kanban-card__info {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.kanban-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

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

/* Calendar */
.calendar-container {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.calendar-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.calendar-nav__btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s;
}

.calendar-nav__btn:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-primary);
}

.calendar-nav__title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    min-width: 200px;
    text-align: center;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.calendar-day-header {
    padding: var(--spacing-sm);
    text-align: center;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.calendar-day {
    min-height: 100px;
    padding: var(--spacing-sm);
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    transition: background 0.2s;
}

.calendar-day:nth-child(7n) {
    border-right: none;
}

.calendar-day:hover {
    background: var(--color-bg-hover);
}

.calendar-day--other {
    opacity: 0.4;
}

.calendar-day--today {
    background: rgba(16, 185, 129, 0.1);
}

.calendar-day__number {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.calendar-day--today .calendar-day__number {
    background: var(--color-primary);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calendar-event {
    padding: 4px 8px;
    margin-bottom: 4px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: transform 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calendar-event:hover {
    transform: translateX(2px);
}

.calendar-event--vacation {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
}

.calendar-event--sick {
    background: linear-gradient(135deg, var(--color-warning), #d97706);
    color: white;
}

.calendar-event--remote {
    background: linear-gradient(135deg, var(--color-info), #2563eb);
    color: white;
}

.calendar-event--meeting {
    background: linear-gradient(135deg, var(--color-secondary), #4f46e5);
    color: white;
}

/* Vacation Requests */
.vacation-requests {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.vacation-request {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    transition: background 0.2s;
}

.vacation-request:last-child {
    border-bottom: none;
}

.vacation-request:hover {
    background: var(--color-bg-hover);
}

.vacation-request__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    flex-shrink: 0;
}

.vacation-request__info {
    flex: 1;
}

.vacation-request__name {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.vacation-request__dates {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

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

.vacation-request__actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Org Chart */
.org-chart {
    padding: var(--spacing-xl);
    overflow: auto;
}

.org-node {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.org-person {
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    min-width: 200px;
    transition: all 0.3s;
    cursor: pointer;
}

.org-person:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.org-person--ceo {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.05));
}

.org-person__avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 auto var(--spacing-sm);
}

.org-person__name {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.org-person__title {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.org-children {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    position: relative;
}

.org-children::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: var(--spacing-lg);
    background: var(--color-border);
    transform: translateX(-50%);
}

.org-node:not(:only-child)::before {
    content: '';
    position: absolute;
    top: 0;
    width: 2px;
    height: var(--spacing-lg);
    background: var(--color-border);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

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

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal__content {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    transform: translateY(20px);
    transition: transform 0.3s;
}

.modal.active .modal__content {
    transform: translateY(0);
}

.modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.modal__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

.modal__close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.modal__close:hover {
    background: var(--color-bg-hover);
    color: var(--color-text);
}

.modal__body {
    padding: var(--spacing-md);
    max-height: 60vh;
    overflow-y: auto;
}

.modal__footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.9375rem;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.9375rem;
    cursor: pointer;
}

.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.9375rem;
    min-height: 100px;
    resize: vertical;
}

/* Progress Bar */
.progress-bar {
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar__fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-bar__fill--primary {
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.progress-bar__fill--success {
    background: linear-gradient(90deg, var(--color-success), #4ade80);
}

.progress-bar__fill--warning {
    background: linear-gradient(90deg, var(--color-warning), #fbbf24);
}

.progress-bar__fill--danger {
    background: linear-gradient(90deg, var(--color-danger), #f87171);
}

/* Skills Tags */
.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.skill-tag {
    padding: 4px 12px;
    background: var(--color-bg-tertiary);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    transition: all 0.2s;
}

.skill-tag:hover {
    background: var(--color-primary);
    color: white;
}

/* Training Cards */
.training-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s;
}

.training-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.training-card__image {
    height: 160px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.training-card__body {
    padding: var(--spacing-md);
}

.training-card__title {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.training-card__info {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.training-card__progress {
    margin-top: var(--spacing-sm);
}

.training-card__progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
}

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

.quick-action__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.quick-action__text {
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
}

/* Responsive */
@media (max-width: 1024px) {
    .mobile-menu-btn {
        display: flex;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main {
        margin-left: 0;
    }

    .header__search {
        display: none;
    }

    .charts__grid {
        grid-template-columns: 1fr;
    }

    .activity__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header__right {
        width: 100%;
        justify-content: flex-end;
    }

    .stats__grid {
        grid-template-columns: 1fr;
    }

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

    .kanban-column {
        min-width: 100%;
        max-width: 100%;
    }

    .employees-grid {
        grid-template-columns: 1fr;
    }

    .data-table {
        font-size: 0.875rem;
    }

    .data-table th,
    .data-table td {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .main {
        padding: var(--spacing-sm);
    }

    .header__title {
        font-size: 1.5rem;
    }

    .stat-card {
        flex-direction: column;
        text-align: center;
    }

    .stat-card__icon {
        margin: 0 auto;
    }

    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.animate-fade-in {
    animation: fadeIn 0.3s ease forwards;
}

.animate-slide-in {
    animation: slideIn 0.3s ease forwards;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* Floating Back Button */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(16, 185, 129, 0.5), 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    50% {
        box-shadow: 0 6px 30px rgba(16, 185, 129, 0.6), 0 0 0 8px rgba(16, 185, 129, 0);
    }
}

.floating-back-btn {
    position: fixed;
    bottom: 32px;
    right: 32px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.5);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pulse-glow 2s infinite;
    font-size: 1rem;
    font-weight: 600;
}

.floating-back-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 35px rgba(16, 185, 129, 0.6);
    animation: none;
}

.floating-back-btn:active {
    transform: translateY(-2px) scale(1.02);
}

.floating-back-btn svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    stroke-width: 2.5;
}

.floating-back-btn__text {
    font-weight: 600;
    font-size: 1rem;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .floating-back-btn {
        bottom: 20px;
        right: 20px;
        padding: 14px 22px;
    }

    .floating-back-btn__text {
        font-size: 0.875rem;
    }

    .floating-back-btn svg {
        width: 20px;
        height: 20px;
    }
}