/* Custom CSS for SuperbHR Platform */

:root {
    --primary-color: #4f46e5;
    --secondary-color: #6366f1;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    --dark-color: #1f2937;
    --light-color: #f8fafc;
    --sidebar-width: 250px;
    --sidebar-collapsed-width: 70px;
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.6;
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    padding: 40px;
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header .logo {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.login-header h2 {
    color: var(--dark-color);
    font-weight: 700;
    margin-bottom: 8px;
}

.login-header p {
    color: #6b7280;
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.login-form .form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.login-form .form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.btn-block {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-block:hover {
    background: var(--secondary-color);
}

/* Main Application Layout */
.main-app {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background: white;
    border-right: 1px solid #e5e7eb;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: width 0.3s ease;
    z-index: 1000;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-header .logo {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.sidebar-header h4 {
    font-weight: 700;
    color: var(--dark-color);
    margin: 0;
    white-space: nowrap;
    opacity: 1;
    transition: opacity 0.3s;
}

.sidebar.collapsed .sidebar-header h4 {
    opacity: 0;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-menu li {
    margin-bottom: 4px;
}

.nav-menu a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #6b7280;
    text-decoration: none;
    transition: all 0.2s;
    gap: 12px;
}

.nav-menu a:hover {
    background: #f3f4f6;
    color: var(--primary-color);
}

.nav-menu a.active {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
    border-right: 3px solid var(--primary-color);
}

.nav-menu i {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.nav-menu span {
    white-space: nowrap;
    opacity: 1;
    transition: opacity 0.3s;
}

.sidebar.collapsed .nav-menu span {
    opacity: 0;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease;
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* Top Navigation */
.navbar {
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    padding: 12px 24px;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--dark-color);
    font-size: 18px;
    padding: 8px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.sidebar-toggle:hover {
    background: #f3f4f6;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    margin-right: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    color: var(--dark-color) !important;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.nav-link:hover {
    background: #f3f4f6;
}

.badge {
    font-size: 10px;
    padding: 2px 6px;
    margin-left: 4px;
}

/* Content Wrapper */
.content-wrapper {
    padding: 24px;
    min-height: calc(100vh - 80px);
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    margin-bottom: 24px;
}

.card-header {
    background: white;
    border-bottom: 1px solid #e5e7eb;
    padding: 20px 24px;
    border-radius: 12px 12px 0 0 !important;
}

.card-body {
    padding: 24px;
}

.card-title {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 8px;
}

/* Stats Cards */
.stats-card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.stats-card .icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    margin-bottom: 16px;
}

.stats-card .value {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 4px;
}

.stats-card .label {
    color: #6b7280;
    font-size: 14px;
}

/* Tables */
.table {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.table thead th {
    background: #f8fafc;
    border: none;
    color: var(--dark-color);
    font-weight: 600;
    padding: 16px;
}

.table tbody td {
    border: none;
    padding: 16px;
    vertical-align: middle;
}

.table tbody tr {
    border-bottom: 1px solid #f1f5f9;
}

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

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 8px 16px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

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

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

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

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

/* Forms */
.form-control {
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    padding: 10px 12px;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 8px;
}

/* Status Badges */
.status-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-active { background: #dcfce7; color: #166534; }
.status-pending { background: #fef3c7; color: #92400e; }
.status-approved { background: #dbeafe; color: #1e40af; }
.status-rejected { background: #fecaca; color: #991b1b; }
.status-inactive { background: #f1f5f9; color: #475569; }

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-wrapper {
        padding: 16px;
    }
    
    .login-card {
        padding: 24px;
        margin: 16px;
    }
}

/* Loading Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 9999;
    transform: translateX(400px);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification.success { background: var(--success-color); }
.notification.error { background: var(--danger-color); }
.notification.warning { background: var(--warning-color); }
.notification.info { background: var(--info-color); }

/* Modal Enhancements */
.modal-content {
    border: none;
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.modal-header {
    border-bottom: 1px solid #e5e7eb;
    padding: 20px 24px;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    border-top: 1px solid #e5e7eb;
    padding: 16px 24px;
}