/* Custom Styles for Sistem Kost - Phase 10 Enhanced */

/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Smooth transitions */
* {
    transition: all 0.3s ease;
}

/* Spin Animation */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Slide In Animation */
@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Scale Animation */
@keyframes scaleUp {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* ============================================
   CUSTOM SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #3b82f6, #8b5cf6);
    border-radius: 10px;
    transition: background 0.3s;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #2563eb, #7c3aed);
}

/* ============================================
   LOADING STATES
   ============================================ */

/* Loading spinner */
.spinner {
    border: 4px solid rgba(59, 130, 246, 0.1);
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 5px;
}

/* Button Loading State */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Skeleton Loader */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

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

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 0.25rem;
}

.skeleton-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
}

/* ============================================
   CARDS & HOVER EFFECTS
   ============================================ */

/* Card hover effect */
.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Kost Card Specific */
.kost-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.kost-card:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Image Zoom on Hover */
.image-zoom-container {
    overflow: hidden;
}

.image-zoom-container img {
    transition: transform 0.5s ease;
}

.image-zoom-container:hover img {
    transform: scale(1.1);
}

/* ============================================
   BADGES & LABELS
   ============================================ */

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1;
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-primary {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-secondary {
    background-color: #e5e7eb;
    color: #374151;
}

/* ============================================
   TABLES
   ============================================ */

table {
    border-collapse: collapse;
    width: 100%;
    background: white;
    border-radius: 0.5rem;
    overflow: hidden;
}

table th {
    background: linear-gradient(135deg, #f9fafb 0%, #e5e7eb 100%);
    padding: 1rem 0.75rem;
    text-align: left;
    font-weight: 600;
    color: #374151;
    border-bottom: 2px solid #e5e7eb;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

table td {
    padding: 1rem 0.75rem;
    border-bottom: 1px solid #f3f4f6;
    color: #4b5563;
}

table tbody tr {
    transition: background-color 0.2s ease;
}

table tbody tr:hover {
    background-color: #f9fafb;
}

table tbody tr:last-child td {
    border-bottom: none;
}

/* Responsive Table */
@media (max-width: 768px) {
    table {
        font-size: 0.875rem;
    }
    
    table th,
    table td {
        padding: 0.75rem 0.5rem;
    }
}

/* ============================================
   FORMS
   ============================================ */

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #374151;
    font-size: 0.875rem;
}

.form-label.required::after {
    content: '*';
    color: #ef4444;
    margin-left: 0.25rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 2px solid #d1d5db;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: white;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
    background-color: #f3f4f6;
    cursor: not-allowed;
    opacity: 0.6;
}

.form-error {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.375rem;
    display: flex;
    align-items: center;
}

.form-error::before {
    content: '⚠';
    margin-right: 0.25rem;
}

.form-success {
    color: #059669;
    font-size: 0.875rem;
    margin-top: 0.375rem;
    display: flex;
    align-items: center;
}

.form-success::before {
    content: '✓';
    margin-right: 0.25rem;
}

.form-help {
    color: #6b7280;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Input with Icon */
.input-group {
    position: relative;
}

.input-group-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
}

.input-group .form-input {
    padding-left: 2.5rem;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 0.875rem;
    line-height: 1.5;
    user-select: none;
}

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

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Button Variants */
.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
}

.btn-secondary {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    color: white;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #4b5563 0%, #374151 100%);
}

.btn-outline {
    background: transparent;
    border: 2px solid #3b82f6;
    color: #3b82f6;
}

.btn-outline:hover {
    background: #3b82f6;
    color: white;
}

/* Button Sizes */
.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.813rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ============================================
   IMAGES & MEDIA
   ============================================ */

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Image gallery */
.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.image-gallery img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.image-gallery img:hover {
    opacity: 0.85;
    transform: scale(1.05);
}

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

/* ============================================
   MODALS
   ============================================ */

.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 1rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: scaleUp 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e5e7eb;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #6b7280;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.modal-close:hover {
    background: #f3f4f6;
    color: #1f2937;
}

.modal-body {
    margin-bottom: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 2px solid #e5e7eb;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 400px;
}

.toast {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-left: 4px solid;
    animation: slideIn 0.3s ease;
    min-width: 300px;
}

.toast-success {
    border-left-color: #10b981;
}

.toast-error {
    border-left-color: #ef4444;
}

.toast-warning {
    border-left-color: #f59e0b;
}

.toast-info {
    border-left-color: #3b82f6;
}

.toast-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    flex-shrink: 0;
}

.toast-success .toast-icon {
    background: #d1fae5;
    color: #065f46;
}

.toast-error .toast-icon {
    background: #fee2e2;
    color: #991b1b;
}

.toast-warning .toast-icon {
    background: #fef3c7;
    color: #92400e;
}

.toast-info .toast-icon {
    background: #dbeafe;
    color: #1e40af;
}

.toast-message {
    flex: 1;
    color: #374151;
    font-size: 0.875rem;
}

.toast-close {
    background: none;
    border: none;
    cursor: pointer;
    color: #9ca3af;
    font-size: 1.25rem;
    padding: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.25rem;
}

.toast-close:hover {
    background: #f3f4f6;
    color: #4b5563;
}

/* ============================================
   ALERTS
   ============================================ */

.alert {
    padding: 1rem 1.25rem;
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid;
    display: flex;
    align-items: flex-start;
}

.alert-success {
    background-color: #d1fae5;
    border-color: #6ee7b7;
    color: #065f46;
}

.alert-error {
    background-color: #fee2e2;
    border-color: #fca5a5;
    color: #991b1b;
}

.alert-warning {
    background-color: #fef3c7;
    border-color: #fcd34d;
    color: #92400e;
}

.alert-info {
    background-color: #dbeafe;
    border-color: #93c5fd;
    color: #1e40af;
}

.alert-icon {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.line-clamp-1 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

.line-clamp-2 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

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

.shadow-custom {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.shadow-custom-lg {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.shadow-custom-xl {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state-icon {
    font-size: 4rem;
    color: #d1d5db;
    margin-bottom: 1rem;
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #4b5563;
    margin-bottom: 0.5rem;
}

.empty-state-description {
    color: #9ca3af;
    margin-bottom: 1.5rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Mobile First Approach */

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

/* Mobile Specific Styles (max-width: 767px) */
@media (max-width: 767px) {
    /* Hero Section */
    .hero-section {
        padding: 3rem 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section p {
        font-size: 1rem;
    }
    
    /* Cards Grid */
    .grid-cols-1 {
        grid-template-columns: 1fr;
    }
    
    /* Buttons */
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    /* Modal */
    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }
    
    /* Toast */
    .toast-container {
        left: 1rem;
        right: 1rem;
        top: auto;
        bottom: 1rem;
    }
    
    .toast {
        min-width: auto;
    }
    
    /* Footer */
    footer .grid {
        grid-template-columns: 1fr;
    }
}

/* Tablet Specific Styles (768px to 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    /* 2-column layout for tablets */
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Adjust padding */
    section {
        padding: 3rem 0;
    }
}

/* Desktop Specific Styles (1024px and up) */
@media (min-width: 1024px) {
    /* Hover effects only on desktop */
    .hover-lift:hover {
        transform: translateY(-10px);
    }
    
    /* Multi-column layouts */
    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .lg\:grid-cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .btn,
    button,
    .modal,
    .toast {
        display: none !important;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Focus styles */
*:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

button:focus,
a:focus {
    outline-color: #2563eb;
}

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

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .card {
        border: 2px solid #000;
    }
}

/* ============================================
   DARK MODE SUPPORT (Optional)
   ============================================ */

@media (prefers-color-scheme: dark) {
    /* Add dark mode styles here if needed */
}

/* ============================================
   CUSTOM COMPONENTS
   ============================================ */

/* Breadcrumb */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    padding: 0.75rem 1rem;
    background: #f9fafb;
    border-radius: 0.5rem;
    font-size: 0.875rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '/';
    margin: 0 0.5rem;
    color: #9ca3af;
}

.breadcrumb-item a {
    color: #3b82f6;
    text-decoration: none;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: #6b7280;
}

/* Pagination */
.pagination {
    display: flex;
    list-style: none;
    padding: 0;
    gap: 0.5rem;
}

.pagination li a,
.pagination li span {
    display: block;
    padding: 0.5rem 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    color: #374151;
    text-decoration: none;
    transition: all 0.2s;
}

.pagination li a:hover {
    background: #f3f4f6;
    border-color: #3b82f6;
    color: #3b82f6;
}

.pagination li.active span {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.pagination li.disabled span {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Progress Bar */
.progress {
    height: 0.5rem;
    background: #e5e7eb;
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    transition: width 0.3s ease;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    min-width: 200px;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.625rem 1rem;
    color: #374151;
    text-decoration: none;
    transition: background 0.2s;
}

.dropdown-item:hover {
    background: #f3f4f6;
}

.dropdown-divider {
    height: 1px;
    background: #e5e7eb;
    margin: 0.5rem 0;
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* GPU Acceleration */
.gpu-accelerated {
    transform: translateZ(0);
    will-change: transform;
}

/* Lazy Load Images */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* ============================================
   END OF STYLES
   ============================================ */