/**
 * KATS Student Portal - Custom Styles
 * Brand Colors: Orange, Blue, Yellow
 */

:root {
    --kats-orange: #FF8C00;
    --kats-blue: #0066CC;
    --kats-yellow: #FFD700;
    --kats-dark-blue: #004C99;
    --kats-light-blue: #E6F2FF;
}

/* Body and Layout */
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: #f8f9fa;
}

.main-content {
    flex: 1;
    padding-top: 2rem;
    padding-bottom: 2rem;
}

/* Brand Color Overrides */
.bg-primary {
    background-color: var(--kats-blue) !important;
}

.btn-primary {
    background-color: var(--kats-blue);
    border-color: var(--kats-blue);
}

.btn-primary:hover {
    background-color: var(--kats-dark-blue);
    border-color: var(--kats-dark-blue);
}

.text-primary {
    color: var(--kats-blue) !important;
}

.border-primary {
    border-color: var(--kats-blue) !important;
}

/* Accent Colors */
.bg-orange {
    background-color: var(--kats-orange);
    color: white;
}

.bg-yellow {
    background-color: var(--kats-yellow);
    color: #333;
}

.text-orange {
    color: var(--kats-orange);
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--kats-blue) 0%, var(--kats-dark-blue) 100%);
}

.login-card {
    max-width: 450px;
    width: 100%;
    margin: 1rem;
}

.login-logo {
    max-width: 150px;
    margin-bottom: 1.5rem;
}

/* Dashboard Cards */
.stat-card {
    border-radius: 10px;
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.stat-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

/* Course Cards */
.course-card {
    border-radius: 10px;
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    height: 100%;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.course-card-header {
    background: linear-gradient(135deg, var(--kats-blue), var(--kats-dark-blue));
    color: white;
    padding: 1.25rem;
    border-radius: 10px 10px 0 0;
}

.course-card-body {
    padding: 1.25rem;
}

/* Completion Status Badges */
.badge.bg-success {
    background-color: #28a745 !important;
}

.badge.bg-warning {
    background-color: var(--kats-yellow) !important;
}

.badge .bi {
    margin-right: 0.25rem;
}

/* Gap utility for flexbox */
.gap-2 {
    gap: 0.5rem;
}

/* Progress Bars */
.progress {
    height: 25px;
    border-radius: 15px;
}

.progress-bar {
    background: linear-gradient(90deg, var(--kats-orange), var(--kats-yellow));
    border-radius: 15px;
}

/* Grade Badges */
.grade-badge {
    font-size: 1.25rem;
    font-weight: bold;
    padding: 0.5rem 1rem;
    border-radius: 25px;
}

.grade-excellent {
    background-color: #28a745;
    color: white;
}

.grade-good {
    background-color: var(--kats-yellow);
    color: #333;
}

.grade-needs-improvement {
    background-color: #dc3545;
    color: white;
}

/* Status Icons */
.bi-check-circle-fill.text-success {
    color: #28a745;
    font-size: 1.2rem;
}

.bi-eye-fill.text-info {
    color: #17a2b8;
    font-size: 1.2rem;
}

.bi-hourglass-split.text-warning {
    color: #ffc107;
    font-size: 1.2rem;
}

/* Recent Results Table */
.results-table {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.results-table thead {
    background-color: var(--kats-blue);
    color: white;
}

.results-table tbody tr:hover {
    background-color: var(--kats-light-blue);
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 300px;
    margin: 1rem 0;
}

@media (min-width: 768px) {
    .chart-container {
        height: 400px;
    }
}

/* Help Section */
.help-section {
    background-color: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
}

.help-section h4 {
    color: var(--kats-blue);
    border-bottom: 3px solid var(--kats-orange);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.help-icon {
    font-size: 3rem;
    color: var(--kats-orange);
    margin-bottom: 1rem;
}

/* Alerts */
.alert-info {
    background-color: var(--kats-light-blue);
    border-color: var(--kats-blue);
    color: var(--kats-dark-blue);
}

/* Buttons */
.btn-orange {
    background-color: var(--kats-orange);
    border-color: var(--kats-orange);
    color: white;
}

.btn-orange:hover {
    background-color: #E67E00;
    border-color: #E67E00;
    color: white;
}

/* Navbar */
.navbar-brand img {
    max-height: 40px;
    width: auto;
}

/* Footer */
.footer {
    border-top: 3px solid var(--kats-orange);
}

.footer a {
    color: var(--kats-blue);
    text-decoration: none;
}

.footer a:hover {
    color: var(--kats-orange);
}

/* Responsive Utilities */
@media (max-width: 768px) {
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .course-card {
        margin-bottom: 1rem;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
}

/* Loading Spinner */
.spinner-border-orange {
    color: var(--kats-orange);
}

/* Session Timeout Warning */
.timeout-warning {
    background-color: var(--kats-yellow);
    color: #333;
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #6c757d;
}

.empty-state-icon {
    font-size: 4rem;
    color: #dee2e6;
    margin-bottom: 1rem;
}

/* Breadcrumb */
.breadcrumb {
    background-color: transparent;
    padding: 0.5rem 0;
}

.breadcrumb-item.active {
    color: var(--kats-orange);
}

/* Mentor Institution Banner */
.institution-banner {
    background: linear-gradient(135deg, var(--kats-orange), #E67E00);
    color: white;
    padding: 1.25rem 1.5rem;
    border-radius: 10px;
    margin-bottom: 0;
}

/* Pagination */
.page-link { color: var(--kats-blue); }
.page-item.active .page-link {
    background-color: var(--kats-blue);
    border-color: var(--kats-blue);
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        padding: 0;
    }
}