/* UI Enhancements CSS for PDPM Karanganyar Website */

/* Loading States */
.btn[data-loading="true"] {
    position: relative;
    pointer-events: none;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Form Validation Enhancements */
.form-control.is-valid,
.form-select.is-valid {
    border-color: #198754;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='m2.3 6.73.94-.94 1.44 1.44L7.4 4.5l.94.94L4.66 9.17z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: #dc3545;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 4.6 2.4 2.4M8.2 4.6l-2.4 2.4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #dc3545;
}

.valid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #198754;
}

/* Password Strength Indicator */
.password-strength {
    margin-top: 0.5rem;
}

.strength-bar {
    height: 4px;
    background-color: #e9ecef;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.25rem;
}

.strength-fill {
    height: 100%;
    width: 0%;
    transition: width 0.3s ease, background-color 0.3s ease;
    border-radius: 2px;
}

.strength-text {
    font-size: 0.75rem;
    color: #6c757d;
    margin: 0;
}

/* Progress Indicators */
.form-progress .progress {
    height: 6px;
    background-color: #e9ecef;
}

.form-progress .progress-bar {
    transition: width 0.3s ease;
}

.upload-progress {
    padding: 0.75rem;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    margin-top: 0.5rem;
}

.upload-progress .progress {
    height: 8px;
}

/* Toast Notifications */
.toast-container {
    z-index: 9999;
}

.toast {
    min-width: 300px;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.toast-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.toast-body {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

/* Accessibility Improvements */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #000;
    color: #fff;
    padding: 8px;
    text-decoration: none;
    z-index: 10000;
    border-radius: 0 0 4px 4px;
}

.skip-link:focus {
    top: 0;
}

.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.sr-only-focusable:focus {
    position: static !important;
    width: auto !important;
    height: auto !important;
    padding: inherit !important;
    margin: inherit !important;
    overflow: visible !important;
    clip: auto !important;
    white-space: normal !important;
}

/* Focus Indicators */
.form-control:focus,
.form-select:focus,
.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
    border-color: #dc3545;
}

/* Lazy Loading Images */
img.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

img.lazy.loaded {
    opacity: 1;
}

/* Loading Placeholder */
.loading-placeholder {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Enhanced Form Styling */
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
    color: #dc3545;
}

.form-floating > .form-select:focus ~ label,
.form-floating > .form-select:not([size]):not([multiple]):not(:placeholder-shown) ~ label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
    color: #dc3545;
}

/* Enhanced Button States */
.btn {
    transition: all 0.15s ease-in-out;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, #dc3545 0%, #b02a37 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #b02a37 0%, #dc3545 100%);
}

/* Enhanced Card Styling */
.card {
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Enhanced Modal Styling */
.modal-content {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.modal-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 1rem 1rem 0 0;
}

.modal-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 0 0 1rem 1rem;
}

/* Enhanced Table Styling */
.table {
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.table thead th {
    background: linear-gradient(135deg, #dc3545 0%, #b02a37 100%);
    color: white;
    border: none;
    font-weight: 600;
}

.table tbody tr:hover {
    background-color: rgba(220, 53, 69, 0.05);
}

/* Enhanced Alert Styling */
.alert {
    border: none;
    border-radius: 0.75rem;
    border-left: 4px solid;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    border-left-color: #28a745;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    border-left-color: #dc3545;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border-left-color: #ffc107;
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    border-left-color: #17a2b8;
}

/* Enhanced Badge Styling */
.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
    border-radius: 0.5rem;
}

/* Enhanced Pagination */
.pagination .page-link {
    border: none;
    margin: 0 2px;
    border-radius: 0.5rem;
    color: #dc3545;
    transition: all 0.2s ease;
}

.pagination .page-link:hover {
    background-color: #dc3545;
    color: white;
    transform: translateY(-1px);
}

.pagination .page-item.active .page-link {
    background-color: #dc3545;
    border-color: #dc3545;
}

/* Enhanced Dropdown */
.dropdown-menu {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}

/* Enhanced Navbar */
.navbar {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.navbar-nav .nav-link {
    position: relative;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #ffc107;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 80%;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .toast {
        min-width: 280px;
    }
    
    .modal-dialog {
        margin: 1rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* Dark Mode Support (if implemented) */
@media (prefers-color-scheme: dark) {
    .loading-placeholder {
        background: linear-gradient(90deg, #2d3748 25%, #4a5568 50%, #2d3748 75%);
    }
    
    .toast-header,
    .toast-body {
        background-color: rgba(45, 55, 72, 0.95);
        color: #e2e8f0;
    }
}

/* Print Styles */
@media print {
    .toast-container,
    .btn,
    .navbar,
    .modal,
    .skip-link {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #dee2e6;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

.slide-in-up {
    animation: slideInUp 0.5s ease-out;
}

.slide-in-down {
    animation: slideInDown 0.5s ease-out;
}

.bounce-in {
    animation: bounceIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Utility Classes */
.cursor-pointer {
    cursor: pointer;
}

.user-select-none {
    user-select: none;
}

.transition-all {
    transition: all 0.3s ease;
}

.shadow-hover:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.transform-hover:hover {
    transform: translateY(-2px);
}