/* EduSaarthi - Main Styles */

:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --sidebar-width: 260px;
    --header-height: 60px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f6fa;
    color: #333;
    overflow-x: hidden;
}

/* Login Page Styles */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: 15px;
    padding: 40px;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

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

.login-header .logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 36px;
    color: white;
}

.login-header h1 {
    color: var(--secondary-color);
    font-size: 28px;
    margin-bottom: 5px;
}

.login-header .subtitle {
    color: #7f8c8d;
    font-size: 14px;
}

.login-tabs {
    display: flex;
    margin-bottom: 25px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #ddd;
}

.tab-btn {
    flex: 1;
    padding: 12px;
    border: none;
    background: #f8f9fa;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
}

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

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

.login-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--secondary-color);
}

.input-with-icon {
    position: relative;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #bdc3c7;
}

.input-with-icon input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.3s;
}

.input-with-icon input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    color: #7f8c8d;
    font-size: 13px;
}

/* Sidebar Styles */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--secondary-color);
    color: white;
    z-index: 1000;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px;
    background: rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.sidebar-menu {
    list-style: none;
    padding: 10px 0;
}

.sidebar-item {
    margin: 2px 10px;
    border-radius: 8px;
    overflow: hidden;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.2s;
    border-radius: 8px;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.sidebar-item.active .sidebar-link {
    background: var(--primary-color);
    color: white;
}

.sidebar-link i {
    width: 20px;
    margin-right: 12px;
    text-align: center;
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-logout {
    width: 100%;
    padding: 10px;
    background: rgba(231, 76, 60, 0.2);
    color: #e74c3c;
    border: 1px solid rgba(231, 76, 60, 0.3);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-logout:hover {
    background: rgba(231, 76, 60, 0.3);
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.content-header {
    background: white;
    padding: 0 25px;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.toggle-sidebar {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--secondary-color);
    padding: 5px;
}

.header-right .user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--secondary-color);
}

.header-right .user-info i {
    font-size: 24px;
    color: var(--primary-color);
}

/* Dashboard Content */
.dashboard-content {
    padding: 25px;
}

.stats-row {
    margin: 0 -10px 25px;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin: 0 10px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.stat-icon.blue { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.stat-icon.green { background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%); }
.stat-icon.orange { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.stat-icon.purple { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.stat-info p {
    color: #7f8c8d;
    font-size: 14px;
    margin: 0;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 25px;
}

.card-header {
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--secondary-color);
}

.card-body {
    padding: 20px;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

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

.table th {
    background: #f8f9fa;
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    color: var(--secondary-color);
    border-bottom: 2px solid #eee;
    white-space: nowrap;
}

.table td {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background: #f8f9fa;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-pending { background: #fff3cd; color: #856404; }
.status-approved { background: #d4edda; color: #155724; }
.status-rejected { background: #f8d7da; color: #721c24; }
.status-admitted { background: #d1ecf1; color: #0c5460; }
.status-submitted { background: #cce5ff; color: #004085; }
.status-verified { background: #d4edda; color: #155724; }

/* Buttons */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

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

.btn-primary:hover {
    background: #2980b9;
}

.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-info {
    background: #17a2b8;
    color: white;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* Forms */
.form-control {
    width: 100%;
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 14px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-check-input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Alerts */
.alert {
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Pending Items */
.pending-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid #eee;
}

.pending-item:last-child {
    border-bottom: none;
}

.pending-info strong {
    display: block;
    margin-bottom: 3px;
}

/* Modal */
.modal-content {
    border-radius: 12px;
    overflow: hidden;
}

.modal-header {
    background: var(--secondary-color);
    color: white;
    padding: 15px 20px;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid #eee;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.bg-primary { background: var(--primary-color); color: white; }
.bg-success { background: var(--success-color); color: white; }
.bg-warning { background: var(--warning-color); color: white; }
.bg-danger { background: var(--danger-color); color: white; }
.bg-info { background: #17a2b8; color: white; }
.bg-secondary { background: #6c757d; color: white; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-row {
        margin: 0;
    }
    
    .stat-card {
        margin-bottom: 15px;
    }
}

/* Loading Spinner */
.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

/* Text utilities */
.text-muted {
    color: #6c757d;
}

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

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}