/* Campus Ambassador Portal - Modern Styles */

:root {
    --primary: #fe5709;
    --secondary: #187620;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --dark: #1f2937;
    --light: #f3f4f6;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f9fafb;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    min-height: 300px;
    display: flex;
    align-items: center;
}

/* Cards */
.card {
    border-radius: 15px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1) !important;
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 500;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* Dashboard Sidebar */
.sidebar {
    background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
    min-height: 100vh;
    padding: 20px 0;
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    z-index: 1000;
    transition: all 0.3s;
}

.sidebar-brand {
    padding: 20px;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
}

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

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 15px 25px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: rgba(255,255,255,0.1);
    color: white;
    border-left-color: white;
}

.sidebar-menu i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    margin-left: 260px;
    padding: 30px;
    min-height: 100vh;
}

/* Top Bar */
.topbar {
    background: white;
    padding: 15px 30px;
    margin: -30px -30px 30px -30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Stats Cards */
.stats-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s;
    border-left: 4px solid var(--primary);
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.stats-card .icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    margin-bottom: 15px;
}

.stats-card.primary .icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.stats-card.success .icon {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.stats-card.warning .icon {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.stats-card.danger .icon {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

/* Tables */
.table-container {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.table {
    margin-bottom: 0;
}

.table thead {
    background: #f9fafb;
}

.table thead th {
    border: none;
    color: #6b7280;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    padding: 15px;
}

.table tbody td {
    padding: 15px;
    vertical-align: middle;
    border-color: #f3f4f6;
}

/* Badges */
.badge {
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 500;
}

/* Forms */
.form-control,
.form-select {
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    padding: 10px 15px;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-label {
    font-weight: 500;
    color: #374151;
    margin-bottom: 8px;
}

/* Modals */
.modal-content {
    border-radius: 15px;
    border: none;
}

.modal-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 15px 15px 0 0;
    border: none;
}

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

/* Alerts */
.alert {
    border-radius: 10px;
    border: none;
    padding: 15px 20px;
}

/* Leaderboard */
.leaderboard-item {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    transition: all 0.3s;
}

.leaderboard-item:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.leaderboard-rank {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin-right: 20px;
}

.leaderboard-rank.gold {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: white;
}

.leaderboard-rank.silver {
    background: linear-gradient(135deg, #e5e7eb 0%, #9ca3af 100%);
    color: white;
}

.leaderboard-rank.bronze {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: white;
}

.leaderboard-rank.other {
    background: #f3f4f6;
    color: #6b7280;
}

/* Avatar */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 15px;
}

/* Task Card */
.task-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    border-left: 4px solid var(--primary);
    transition: all 0.3s;
}

.task-card:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transform: translateY(-3px);
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 15px;
}

.task-meta {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.task-meta-item {
    display: flex;
    align-items: center;
    color: #6b7280;
    font-size: 0.875rem;
}

.task-meta-item i {
    margin-right: 5px;
}

/* Announcement Card */
.announcement-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    border-left: 4px solid var(--info);
}

/* Ticket Card */
.ticket-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    border-left: 4px solid var(--warning);
}

/* Learning Card */
.learning-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    border-left: 4px solid var(--success);
    transition: all 0.3s;
}

.learning-card:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 100%;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .topbar {
        margin: -20px -20px 20px -20px;
        padding: 15px 20px;
    }
    
    .stats-card {
        margin-bottom: 15px;
    }
}

/* Loading Spinner */
.spinner-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #9ca3af;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.3;
}

/* Profile Card */
.profile-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

/* Pagination */
.pagination {
    margin-top: 20px;
}

.pagination .page-link {
    border-radius: 8px;
    margin: 0 3px;
    border: none;
    color: var(--primary);
}

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

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

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
}