/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    --primary-blue: #4f46e5;
    --secondary-blue: #6366f1;
    --light-blue: #e0e7ff;
    --dark-blue: #3730a3;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --green: #059669;
    --orange: #ea580c;
    --red: #dc2626;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
}

.container {
    width: 100%;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: var(--white);
    padding: 1.5rem 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border-bottom: 3px solid var(--primary-blue);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo img {
    width: 60px;
    height: 60px;
}

.logo h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--primary-blue);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border: 2px solid var(--gray-300);
    background: white;
    color: var(--gray-800);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 4.5rem;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.lang-btn:hover {
    border-color: var(--primary-400);
    background: var(--primary-50);
    color: var(--primary-800);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.lang-btn.active {
    border-color: var(--primary-700);
    background: var(--primary-700);
    color: white !important;
    box-shadow: 0 2px 6px rgba(79, 70, 229, 0.4);
}

.lang-btn.active .flag {
    filter: none;
    opacity: 1;
}

.lang-btn .flag {
    font-size: 1.1em;
    line-height: 1;
    display: inline-block;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 3rem 2rem;
    width: 100%;
}

/* Maintenance Notice */
.maintenance-notice {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--gray-200);
}

.notice-icon {
    color: var(--orange);
    margin-bottom: 1rem;
}

.maintenance-notice h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.maintenance-notice p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Detail Cards */
.maintenance-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.detail-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--gray-200);
    transition: box-shadow 0.2s ease;
}

.detail-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.detail-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-card p {
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.detail-card strong {
    color: var(--gray-900);
}

.detail-card ul {
    list-style: none;
    padding-left: 0;
}

.detail-card li {
    padding: 0.25rem 0;
    color: var(--gray-700);
    position: relative;
    padding-left: 1.5rem;
}

.detail-card li::before {
    content: "•";
    color: var(--primary-blue);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--light-blue);
    color: var(--dark-blue);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

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

/* Progress Section */
.progress-section {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--gray-200);
    margin-bottom: 3rem;
}

.progress-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: var(--gray-200);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 6px;
    width: 35%;
    transition: width 0.3s ease;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--gray-600);
}

#progress-text {
    font-weight: 600;
    color: var(--primary-blue);
}

/* Updates Section */
.updates-section {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--gray-200);
    margin-bottom: 3rem;
}

.updates-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.update-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: 6px;
    border-left: 4px solid var(--primary-blue);
    margin-bottom: 0.75rem;
}

.update-time {
    font-weight: 600;
    color: var(--primary-blue);
    white-space: nowrap;
    min-width: 80px;
    font-size: 0.875rem;
}

.update-message {
    color: var(--gray-700);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    background: var(--gray-800);
    color: var(--gray-300);
    padding: 2rem;
    margin-top: auto;
}

.footer-content {
    width: 100%;
    margin: 0 auto;
    text-align: center;
    padding: 0 2rem;
}

.footer-content p {
    margin-bottom: 0.5rem;
}

.footer-links {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--white);
}

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

@keyframes slideIn {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(100px); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .logo {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .language-switcher {
        justify-content: center;
    }
    
    .main-content {
        padding: 2rem 1rem;
    }
    
    .maintenance-notice {
        padding: 1.5rem;
    }
    
    .maintenance-notice h2 {
        font-size: 1.5rem;
    }
    
    .maintenance-details {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .detail-card {
        padding: 1rem;
    }
    
    .progress-section,
    .updates-section {
        padding: 1.5rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .update-item {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .update-time {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0.75rem;
    }
    
    .main-content {
        padding: 1.5rem 0.75rem;
    }
    
    .maintenance-notice {
        padding: 1rem;
    }
    
    .maintenance-notice h2 {
        font-size: 1.25rem;
    }
    
    .maintenance-notice p {
        font-size: 1rem;
    }
    
    .detail-card {
        padding: 0.75rem;
    }
    
    .language-switcher {
        flex-direction: row;
        gap: 0.5rem;
    }
    
    .lang-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
        min-width: 3.5rem;
        gap: 0.4rem;
    }
    
    .lang-btn .flag {
        font-size: 1.1em;
    }
    
    .maintenance-notice h2 {
        font-size: 1.75rem;
    }
    
    .logo h1 {
        font-size: 1.2rem;
    }
    
    .header {
        gap: 0.75rem;
    }
}