/* GCITI CAMPUS - Responsive Styles */
/* Mobile-first responsive design */

/* === BASE STYLES === */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* === CONTAINER ADJUSTMENTS === */
.container {
    max-width: 100%;
    padding: 0 15px;
}

.container-fluid {
    padding: 0 15px;
}

/* === NAVBAR RESPONSIVE === */
.navbar {
    padding: 0.5rem 1rem;
}

.navbar-brand {
    font-size: 1.1rem;
    font-weight: 600;
}

.navbar-nav .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
}

.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(47, 61, 134, 0.25);
}

/* Mobile dropdown menu improvements */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: #2f3d86;
        padding: 1rem;
        border-radius: 0.5rem;
        margin-top: 0.5rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }
    
    .dropdown-menu {
        background: #1a2344;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .dropdown-item {
        color: #fff;
        padding: 0.75rem 1rem;
    }
    
    .dropdown-item:hover {
        background: rgba(255, 255, 255, 0.1);
        color: #fff;
    }
}

/* === DASHBOARD RESPONSIVE === */
.dash-wrap {
    width: 100%;
    padding-left: 15px !important;
    padding-right: 15px !important;
}

/* Dashboard cards */
.stat-card {
    margin-bottom: 1rem;
    border-radius: 12px;
    padding: 1rem;
}

.stat-icon {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
}

/* Admin dashboard tiles */
@media (max-width: 767.98px) {
    .dash-wrap {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }
    
    .page-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .page-header .title {
        font-size: 1.5rem;
        font-weight: 600;
    }
    
    .subtle {
        font-size: 0.875rem;
    }
    
    /* Admin tiles stack on mobile */
    .col-md-4.col-lg-4.col-xl-4 {
        margin-bottom: 0.75rem;
    }
    
    .col-md-3.col-lg-3.col-xl-3 {
        margin-bottom: 0.75rem;
    }
    
    /* Compact stats */
    .col-md-3.col-6 {
        margin-bottom: 0.5rem;
    }
}

/* === TABLE RESPONSIVE === */
.table-responsive {
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.table {
    font-size: 0.875rem;
}

.table th {
    font-weight: 600;
    background: #f8f9fa;
    border-top: none;
}

@media (max-width: 767.98px) {
    .table {
        font-size: 0.8rem;
    }
    
    .table th,
    .table td {
        padding: 0.5rem;
        vertical-align: middle;
    }
    
    /* Hide some columns on very small screens */
    .table-hide-mobile {
        display: none;
    }
}

/* === CARDS RESPONSIVE === */
.card {
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    margin-bottom: 1rem;
}

.card-header {
    background: #f8f9fa;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px 12px 0 0 !important;
    padding: 1rem 1.25rem;
}

.card-body {
    padding: 1.25rem;
}

@media (max-width: 767.98px) {
    .card {
        margin-bottom: 0.75rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .card-header {
        padding: 0.75rem 1rem;
    }
}

/* === BUTTONS RESPONSIVE === */
.btn {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 500;
}

.btn-sm {
    font-size: 0.8rem;
    padding: 0.375rem 0.75rem;
}

.btn-lg {
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
}

@media (max-width: 767.98px) {
    .btn {
        font-size: 0.8rem;
        padding: 0.5rem 0.875rem;
    }
    
    .btn-sm {
        font-size: 0.75rem;
        padding: 0.375rem 0.625rem;
    }
    
    /* Stack buttons on mobile */
    .btn-group-vertical .btn {
        margin-bottom: 0.5rem;
    }
    
    .action-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    /* Table action buttons - improved mobile layout */
    .assignment-actions,
    .table-actions {
        display: flex;
        flex-direction: column;
        gap: 0.375rem;
        min-width: 120px;
    }
    
    .assignment-actions .btn,
    .table-actions .btn {
        width: 100%;
        font-size: 0.75rem;
        padding: 0.5rem 0.75rem;
        text-align: center;
        justify-content: center;
        white-space: nowrap;
        min-height: 38px;
    }
    
    /* Specific button improvements for mobile */
    .btn-danger {
        background-color: #dc3545;
        border-color: #dc3545;
        font-weight: 600;
    }
    
    .btn-danger:hover {
        background-color: #c82333;
        border-color: #bd2130;
    }
    
    .btn-info {
        background-color: #17a2b8;
        border-color: #17a2b8;
        font-weight: 600;
    }
    
    .btn-info:hover {
        background-color: #138496;
        border-color: #117a8b;
    }
    
    .btn-warning {
        background-color: #ffc107;
        border-color: #ffc107;
        color: #212529;
        font-weight: 600;
    }
    
    .btn-warning:hover {
        background-color: #e0a800;
        border-color: #d39e00;
        color: #212529;
    }
    
    .btn-primary {
        background-color: #007bff;
        border-color: #007bff;
        font-weight: 600;
    }
    
    .btn-primary:hover {
        background-color: #0069d9;
        border-color: #0062cc;
    }
}

/* === FORMS RESPONSIVE === */
.form-control {
    font-size: 0.875rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-select {
    font-size: 0.875rem;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    border-radius: 8px;
}

@media (max-width: 767.98px) {
    .form-control {
        font-size: 16px; /* Prevent zoom on iOS */
        padding: 0.75rem;
    }
    
    .form-select {
        font-size: 16px;
        padding: 0.75rem 2.25rem 0.75rem 0.75rem;
    }
    
    .form-row > .col,
    .form-row > [class*="col-"] {
        margin-bottom: 1rem;
    }
}

/* === LOGIN PAGE RESPONSIVE === */
.login-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 1rem;
    margin: 0 auto;
}

.login-container {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 2rem;
    margin: 1rem;
}

@media (max-width: 480px) {
    .login-wrapper {
        padding: 0.5rem;
    }
    
    .login-container {
        padding: 1.5rem;
        margin: 0.5rem;
        border-radius: 16px;
    }
    
    .brand-logo {
        width: 72px;
        height: 72px;
    }
    
    .brand-title {
        font-size: 1.5rem;
    }
    
    .form-input {
        height: 48px;
        font-size: 16px;
    }
    
    .login-button {
        height: 48px;
        font-size: 0.9rem;
    }
}

/* === MODALS RESPONSIVE === */
.modal-dialog {
    margin: 1rem;
    max-width: calc(100% - 2rem);
}

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

.modal-header {
    border-bottom: 1px solid #dee2e6;
    padding: 1rem 1.25rem;
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    border-top: 1px solid #dee2e6;
    padding: 1rem 1.25rem;
}

@media (max-width: 575.98px) {
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 1rem;
    }
    
    .modal-footer {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
}

/* === COURSE CARDS RESPONSIVE === */
.course-card {
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.course-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

@media (max-width: 767.98px) {
    .course-card {
        margin-bottom: 1rem;
    }
}

/* === ASSIGNMENT TABLE RESPONSIVE === */
.assignment-actions,
.table-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

@media (max-width: 767.98px) {
    .assignment-actions,
    .table-actions {
        flex-direction: column;
        gap: 0.375rem;
        min-width: 120px;
    }
    
    .assignment-actions .btn,
    .table-actions .btn {
        width: 100%;
        font-size: 0.75rem;
        padding: 0.5rem 0.75rem;
        text-align: center;
        justify-content: center;
        white-space: nowrap;
        min-height: 38px;
        border-radius: 6px;
        font-weight: 600;
    }
    
    /* Ensure table cells with buttons have proper spacing */
    .table td:last-child {
        min-width: 130px;
        vertical-align: top;
        padding: 0.75rem 0.5rem;
    }
    
    /* Make sure action buttons don't overflow */
    .table-responsive {
        overflow-x: auto;
    }
    
    /* Specific styling for delete buttons on mobile */
    .btn-danger {
        background-color: #dc3545;
        border-color: #dc3545;
        position: relative;
    }
    
    .btn-danger:hover {
        background-color: #c82333;
        border-color: #bd2130;
        transform: translateY(-1px);
        box-shadow: 0 2px 4px rgba(220, 53, 69, 0.3);
    }
    
    /* Specific styling for edit buttons on mobile */
    .btn-info {
        background-color: #17a2b8;
        border-color: #17a2b8;
        position: relative;
    }
    
    .btn-info:hover {
        background-color: #138496;
        border-color: #117a8b;
        transform: translateY(-1px);
        box-shadow: 0 2px 4px rgba(23, 162, 184, 0.3);
    }
    
    /* Specific styling for view buttons on mobile */
    .btn-primary {
        background-color: #007bff;
        border-color: #007bff;
        position: relative;
    }
    
    .btn-primary:hover {
        background-color: #0069d9;
        border-color: #0062cc;
        transform: translateY(-1px);
        box-shadow: 0 2px 4px rgba(0, 123, 255, 0.3);
    }
    
    /* Specific styling for warning buttons on mobile */
    .btn-warning {
        background-color: #ffc107;
        border-color: #ffc107;
        color: #212529;
        position: relative;
    }
    
    .btn-warning:hover {
        background-color: #e0a800;
        border-color: #d39e00;
        color: #212529;
        transform: translateY(-1px);
        box-shadow: 0 2px 4px rgba(255, 193, 7, 0.3);
    }
}

/* === QUICK ACTIONS RESPONSIVE === */
.quick-action-card {
    text-align: center;
    padding: 1.5rem 1rem;
    border-radius: 12px;
    transition: all 0.2s ease;
    height: 100%;
}

.quick-action-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.quick-action-card i {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    display: block;
}

@media (max-width: 767.98px) {
    .quick-action-card {
        padding: 1rem 0.75rem;
        margin-bottom: 0.75rem;
    }
    
    .quick-action-card i {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
    
    .quick-action-card .btn {
        font-size: 0.8rem;
        padding: 0.375rem 0.75rem;
    }
}

/* === FEES PAGE RESPONSIVE === */
.fees-header {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.fees-header h2 {
    margin: 0;
}

.fees-header .btn-group {
    display: flex;
    gap: 1rem;
}

@media (max-width: 767.98px) {
    .fees-header {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        text-align: center;
    }
    
    .fees-header h2 {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .fees-header .btn-group {
        width: 100%;
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .fees-header .btn {
        width: 100%;
        justify-content: center;
        text-align: center;
        font-size: 0.875rem;
        padding: 0.625rem 1rem;
    }
    
    .fees-header .btn-outline-secondary {
        border-color: #6c757d;
        color: #6c757d;
    }
    
    .fees-header .btn-outline-secondary:hover {
        background-color: #6c757d;
        color: white;
    }
    
    .fees-header .btn-primary {
        background-color: #a6775d;
        border-color: #a6775d;
    }
    
    .fees-header .btn-primary:hover {
        background-color: #8b5d3f;
        border-color: #8b5d3f;
    }
}

/* === CHARTS RESPONSIVE === */
.chart-container {
    position: relative;
    height: 300px;
    margin: 1rem 0;
}

@media (max-width: 767.98px) {
    .chart-container {
        height: 250px;
        margin: 0.75rem 0;
    }
}

/* === ALERTS RESPONSIVE === */
.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

@media (max-width: 767.98px) {
    .alert {
        padding: 0.875rem 1rem;
        font-size: 0.875rem;
    }
}

/* === BADGES RESPONSIVE === */
.badge {
    font-size: 0.75rem;
    padding: 0.375rem 0.625rem;
    border-radius: 6px;
}

@media (max-width: 767.98px) {
    .badge {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }
}

/* === UTILITIES === */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.text-truncate-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.mobile-hidden {
    display: none;
}

@media (min-width: 768px) {
    .mobile-hidden {
        display: block;
    }
    
    .desktop-hidden {
        display: none;
    }
}

/* === PRINT STYLES === */
@media print {
    .navbar,
    .btn,
    .modal,
    .pagination {
        display: none !important;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .card {
        border: 1px solid #000;
        box-shadow: none;
        break-inside: avoid;
    }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for better accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus,
.nav-link:focus {
    outline: 2px solid #2f3d86;
    outline-offset: 2px;
}

/* === DARK MODE SUPPORT === */
@media (prefers-color-scheme: dark) {
    .card {
        background: #1a1a1a;
        border-color: #333;
        color: #fff;
    }
    
    .card-header {
        background: #2a2a2a;
        border-color: #333;
    }
    
    .table {
        color: #fff;
    }
    
    .table th {
        background: #2a2a2a;
        border-color: #333;
    }
}