/* ADMIN DASHBOARD CSS */
:root {
    --primary: #e91e63;
    --secondary: #1e1548;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --dark: #2c3e50;
    --light: #f8f9fa;
    --sidebar-width: 250px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f4f6f9;
    overflow-x: hidden;
}

/* SIDEBAR */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: linear-gradient(135deg, var(--secondary) 0%, #252057 100%);
    color: white;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 10px rgba(0,0,0,0.1);
}

.sidebar-header {
    padding: 25px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.sidebar-header h3 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    color: white;
}

.sidebar-header small {
    color: rgba(255,255,255,0.6);
    font-size: 12px;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
    overflow-y: auto;
}

.sidebar-nav .nav-link {
    display: block;
    padding: 15px 25px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.sidebar-nav .nav-link:hover {
    background: rgba(255,255,255,0.1);
    color: white;
    border-left-color: var(--primary);
}

.sidebar-nav .nav-link.active {
    background: rgba(233, 30, 99, 0.2);
    color: white;
    border-left-color: var(--primary);
}

.sidebar-nav .nav-link i {
    width: 25px;
    margin-right: 10px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* MAIN CONTENT */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.topbar {
    background: white;
    padding: 20px 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 999;
}

.content-section {
    padding: 30px;
    display: none;
}

.content-section.active {
    display: block;
}

/* STAT CARDS */
.stat-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.12);
}

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

.stat-icon.bg-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #d63545 100%);
}

.stat-icon.bg-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.stat-icon.bg-warning {
    background: linear-gradient(135deg, #ffc107 0%, #ff9800 100%);
}

.stat-icon.bg-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.stat-content h3 {
    margin: 0;
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
}

.stat-content p {
    margin: 0;
    color: #6c757d;
    font-size: 14px;
}

/* CARDS */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    margin-bottom: 20px;
}

.card-header {
    background: white;
    border-bottom: 1px solid #e9ecef;
    padding: 20px 25px;
    border-radius: 12px 12px 0 0 !important;
}

.card-header h5 {
    margin: 0;
    font-weight: 600;
    color: var(--dark);
}

.card-body {
    padding: 25px;
}

/* TABLES */
.table {
    margin: 0;
}

.table thead th {
    background: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    color: var(--dark);
    padding: 15px 12px;
}

.table tbody td {
    padding: 15px 12px;
    vertical-align: middle;
}

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

/* UNIVERSITY CARDS */
.university-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.university-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.12);
}

.university-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary) 0%, #252057 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    margin-bottom: 15px;
}

/* BADGES */
.badge {
    padding: 6px 12px;
    font-weight: 600;
    border-radius: 6px;
}

.status-badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-new {
    background: #d4edda;
    color: #155724;
}

.status-contacted {
    background: #d1ecf1;
    color: #0c5460;
}

.status-converted {
    background: #d1e7dd;
    color: #0f5132;
}

/* BUTTONS */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #d63545 100%);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(233, 30, 99, 0.4);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

/* FORMS */
.form-control, .form-select {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(233, 30, 99, 0.15);
}

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

/* MODAL */
.modal-content {
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    padding: 20px 25px;
}

.modal-title {
    font-weight: 600;
    color: var(--dark);
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    padding: 20px 25px;
}

/* MOBILE MENU TOGGLE BUTTON */
.mobile-menu-toggle {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1001;
    background: linear-gradient(135deg, var(--primary) 0%, #d63545 100%);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 10px;
    color: white;
    font-size: 20px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(233, 30, 99, 0.4);
    transition: all 0.3s ease;
}

.mobile-menu-toggle:active {
    transform: scale(0.95);
}

/* TOPBAR - Add proper spacing for hamburger */
.topbar {
    background: white;
    padding: 20px 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 999;
}

/* SIDEBAR OVERLAY */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

/* RESPONSIVE */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .topbar {
        padding-left: 70px;
    }
    
    .stat-card {
        margin-bottom: 15px;
    }
    
    .content-section {
        padding: 20px 15px;
    }
}

@media (max-width: 480px) {
    .mobile-menu-toggle {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .topbar {
        padding: 15px 15px 15px 65px;
    }
    
    .topbar h4 {
        font-size: 18px;
    }
}
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stat-card {
        margin-bottom: 15px;
    }
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: #d63545;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Add left padding to topbar for hamburger button */
    .topbar {
        padding-left: 75px !important;
    }
    
    .topbar h4 {
        margin-left: 0;
    }
    
    .stat-card {
        margin-bottom: 15px;
    }
    
    .content-section {
        padding: 20px 15px;
    }
}

@media (max-width: 480px) {
    .mobile-menu-toggle {
        width: 40px;
        height: 40px;
        font-size: 18px;
        left: 15px;
        top: 18px;
    }
    
    .topbar {
        padding: 15px 15px 15px 70px !important;
    }
    
    .topbar h4 {
        font-size: 18px;
    }
}