/**
 * Custom CSS for Nasi Padang Website
 * Requirements: 3.1, 3.5 - Minangkabau color scheme and responsive design
 * 
 * Color Scheme:
 * - Red: #DC143C (Primary - Minangkabau Red)
 * - Yellow: #FFD700 (Secondary - Minangkabau Gold)
 * - Dark: #2C3E50 (Text and accents)
 * - Light variations for backgrounds and hover states
 */

/* ===== CSS VARIABLES ===== */
:root {
    --minang-red: #DC143C;
    --minang-red-dark: #B91C3C;
    --minang-red-light: #F87171;
    --minang-yellow: #FFD700;
    --minang-yellow-dark: #F59E0B;
    --minang-yellow-light: #FEF3C7;
    --minang-dark: #2C3E50;
    --minang-dark-light: #374151;
    --minang-green: #059669;
    --minang-green-light: #10B981;
}

/* ===== GLOBAL STYLES ===== */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--minang-dark);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* ===== UTILITY CLASSES ===== */
.bg-minang-red {
    background-color: var(--minang-red) !important;
}

.bg-minang-yellow {
    background-color: var(--minang-yellow) !important;
}

.bg-minang-dark {
    background-color: var(--minang-dark) !important;
}

.bg-minang-gradient {
    background: linear-gradient(135deg, var(--minang-red) 0%, var(--minang-red-dark) 100%);
}

.text-minang-red {
    color: var(--minang-red) !important;
}

.text-minang-yellow {
    color: var(--minang-yellow) !important;
}

.text-minang-dark {
    color: var(--minang-dark) !important;
}

/* ===== BUTTON STYLES ===== */
.btn-minang-yellow {
    background-color: var(--minang-yellow);
    border-color: var(--minang-yellow);
    color: var(--minang-dark);
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-minang-yellow:hover {
    background-color: var(--minang-yellow-dark);
    border-color: var(--minang-yellow-dark);
    color: var(--minang-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.btn-minang-red {
    background-color: var(--minang-red);
    border-color: var(--minang-red);
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-minang-red:hover {
    background-color: var(--minang-red-dark);
    border-color: var(--minang-red-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 20, 60, 0.3);
}

.text-minang-yellow {
    color: var(--minang-yellow) !important;
}

.text-minang-green {
    color: var(--minang-green) !important;
}

/* Button Styles */
.btn-minang-red {
    background-color: var(--minang-red);
    border-color: var(--minang-red);
    color: white;
}

.btn-minang-red:hover {
    background-color: var(--minang-red-dark);
    border-color: var(--minang-red-dark);
    color: white;
}

.btn-minang-yellow {
    background-color: var(--minang-yellow);
    border-color: var(--minang-yellow);
    color: var(--minang-dark);
}

.btn-minang-yellow:hover {
    background-color: var(--minang-yellow-dark);
    border-color: var(--minang-yellow-dark);
    color: var(--minang-dark);
}

.btn-outline-minang-red {
    color: var(--minang-red);
    border-color: var(--minang-red);
    background-color: transparent;
}

.btn-outline-minang-red:hover {
    background-color: var(--minang-red);
    border-color: var(--minang-red);
    color: white;
}

/* ===== NAVIGATION STYLES ===== */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--minang-yellow) !important;
}

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

.hero-image {
    position: relative;
    z-index: 2;
    animation: fadeInRight 1s ease-out 0.3s both;
}

.hero-buttons .btn {
    margin-bottom: 1rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

/* ===== MENU SECTION ===== */
.divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--minang-red), var(--minang-yellow));
    border: none;
    border-radius: 2px;
}

.nav-pills .nav-link {
    color: var(--minang-dark);
    font-weight: 500;
    border-radius: 25px;
    padding: 0.75rem 1.5rem;
    margin: 0 0.25rem;
    transition: all 0.3s ease;
}

.nav-pills .nav-link:hover {
    background-color: var(--minang-yellow-light);
    color: var(--minang-dark);
}

.nav-pills .nav-link.active {
    background-color: var(--minang-red);
    color: white;
}

/* ===== MENU CARD STYLES ===== */
.menu-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.menu-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.menu-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.menu-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.menu-card:hover .menu-card-image img {
    transform: scale(1.05);
}

.menu-card-category {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.category-makanan {
    background-color: var(--minang-red);
    color: white;
}

.category-minuman {
    background-color: var(--minang-green);
    color: white;
}

.menu-card-body {
    padding: 1.5rem;
}

.menu-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--minang-dark);
    margin-bottom: 0.5rem;
}

.menu-card-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--minang-red);
    margin-bottom: 0;
}

.currency-symbol {
    font-size: 1rem;
    font-weight: 500;
    color: var(--minang-dark-light);
}

/* ===== CONTACT SECTION ===== */
.contact-item {
    padding: 2rem 1rem;
    transition: transform 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
}

.contact-item i {
    transition: transform 0.3s ease;
}

.contact-item:hover i {
    transform: scale(1.1);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding: 2rem 0;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .menu-card-image {
        height: 180px;
    }
    
    .nav-pills .nav-link {
        margin-bottom: 0.5rem;
        display: block;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content .lead {
        font-size: 1rem;
    }
    
    .menu-card-body {
        padding: 1rem;
    }
    
    .contact-item {
        padding: 1.5rem 0.5rem;
    }
}

/* ===== LOADING STATES ===== */
.loading-skeleton {
    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;
    }
}

/* Image loading states */
.menu-card-image img.loading {
    opacity: 0.7;
    filter: blur(2px);
}

.menu-card-image img.loaded {
    opacity: 1;
    filter: none;
    transition: opacity 0.3s ease, filter 0.3s ease;
}

.menu-card-image img.error {
    opacity: 0.8;
}

.placeholder-image {
    background-color: #f8f9fa;
    border: 2px dashed #dee2e6;
}

.placeholder-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(0,0,0,0.05) 10px,
        rgba(0,0,0,0.05) 20px
    );
    pointer-events: none;
}

/* Menu card animations */
.menu-card.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.menu-card.hovered {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

/* Loading overlay for entire page */
body.loading::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    z-index: 9998;
    opacity: 1;
    transition: opacity 0.3s ease;
}

body.loading::after {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 4px solid var(--minang-yellow-light);
    border-top: 4px solid var(--minang-red);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 9999;
}

body.loaded::before,
body.loaded::after {
    opacity: 0;
    pointer-events: none;
}

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

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

/* Focus styles for better accessibility */
.btn:focus,
.nav-link:focus {
    outline: 2px solid var(--minang-yellow);
    outline-offset: 2px;
}

/* ===== ADMIN STYLES ===== */
.menu-image-preview img {
    border: 1px solid #dee2e6;
}

.menu-image-preview .placeholder-img {
    background-color: #f8f9fa;
    border: 2px dashed #dee2e6 !important;
}

.delete-menu-btn {
    transition: all 0.2s ease;
}

.delete-menu-btn:hover {
    transform: scale(1.05);
}

.delete-menu-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Admin form styles */
.modal-header.bg-minang-red {
    border-bottom: none;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--minang-red);
    box-shadow: 0 0 0 0.2rem rgba(220, 20, 60, 0.25);
}

.is-valid {
    border-color: var(--minang-green) !important;
}

.is-invalid {
    border-color: var(--minang-red) !important;
}

.image-fallback {
    background: linear-gradient(45deg, #f8f9fa 25%, transparent 25%), 
                linear-gradient(-45deg, #f8f9fa 25%, transparent 25%), 
                linear-gradient(45deg, transparent 75%, #f8f9fa 75%), 
                linear-gradient(-45deg, transparent 75%, #f8f9fa 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

/* Statistics cards */
.card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
}

/* Table styles */
.table th {
    border-top: none;
    font-weight: 600;
    color: var(--minang-dark);
}

.table-hover tbody tr:hover {
    background-color: rgba(220, 20, 60, 0.05);
}

/* Badge styles */
.badge.bg-minang-red {
    background-color: var(--minang-red) !important;
}

.badge.bg-minang-green {
    background-color: var(--minang-green) !important;
}

/* Loading states for admin */
.btn .spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Responsive admin table */
@media (max-width: 768px) {
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .menu-image-preview img {
        width: 40px !important;
        height: 40px !important;
    }
    
    .btn-group .btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
}