/* CSS Variables & Theme System */
:root {
    /* Brand Colors */
    --brand-primary: #3dbcee;
    --brand-primary-dark: #2da6d8;
    --brand-primary-light: #5cc8f0;
    --brand-accent: #ff4c60;
    --brand-success: #10b981;
    --brand-warning: #f59e0b;

    /* Light Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Animation & Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;

    /* Spacing & Layout */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-bengali: 'Hind Siliguri', 'Baloo Da 2', sans-serif;
}



.bn {
    font-family: var(--font-bengali);
}

/* Modern Container & Layout */
.trains-list-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-bottom: 2rem;
}

.language-link {
    padding: 0.5rem 1rem;
    background: var(--primary-surface-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--color);
    text-decoration: none;
    transition: all var(--transition-normal);
    font-size: 0.875rem;
    font-weight: 500;
}

.language-link:hover {
    background: var(--brand-primary);
    color: white;
    border-color: var(--brand-primary);
    transform: translateY(-1px);
}


/* Search & Filter Section */
.search-section {
    /* background: var(--bg-primary); */
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.search-input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: none !important;
    border-radius: var(--radius-lg);
    font-size: 1rem;
   
    background: transparent !important; 
    color: var(--text-primary);
    transition: all var(--transition-normal);
}

.search-input:focus {
    background-color: transparent !important;
    outline: none !important;
    border-color: transparent !important;
    box-shadow: none !important;
}

input[type=text]:focus, input[type=password]:focus, select:focus, textarea:focus {
    
   
    transition: border-color 0.3s ease-in-out;
    
    transition: box-shadow 0.3s ease-in-out;
}

.search-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

/* Stats Section */
.stats-section {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    /* background: var(--bg-primary); */
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.stats-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stats-icon {
    color: var(--brand-primary);
    width: 1.25rem;
    height: 1.25rem;
}

/* Train Cards Grid */
.trains-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.train-card {
    background: var(--background);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
    cursor: pointer;
}

.train-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--brand-primary);
}

.train-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-primary-light));
}

.train-card-content {
    padding: 1.5rem;
}

/* .train-number {
    position: absolute;

    top: 1.29rem;
    right: 1rem;

    border: 1px solid var(--brand-primary-dark);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
} */

/* [data-theme="dark"] .train-number {
    color: #a3b0b9;
}

[data-theme="light"] .train-number {
    color: #414b64;
} */

.train-name {
    font-size: 1.25rem;
    font-weight: 700;
    /* color: var(--text-primary); */
    margin-bottom: 0.75rem;
    margin-right: 3rem;
    line-height: 1.3;
}

.train-route {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.route-icon {
    color: var(--brand-primary);
    width: 1rem;
    height: 1rem;
}

.train-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.view-details-btn {
    /* background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark)); */
    background: #1a2747;
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    /* font-size: 0.875rem; */
    font-size: 0.675rem;
    line-height: 1;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.view-details-btn:hover {
    transform: translateX(2px);
    box-shadow: var(--shadow-md);
    background: rgb(36, 52, 94);
}

/* Loading States */
.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    color: var(--text-muted);
}

.loading-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid rgba(61, 188, 238, 0.2);
    border-radius: 50%;
    border-top-color: var(--brand-primary);
    animation: spin 1s linear infinite;
    margin-right: 1rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Animation Classes */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: slideInUp 0.4s ease-out;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}

.empty-state-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .trains-list-container {
        padding: 1rem;
    }

    .trains-grid {
        grid-template-columns: 1fr;
    }



    .language-switcher {
        justify-content: center;
    }

    .stats-section {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .train-name {
        font-size: 1.1rem;
        margin-right: 2rem;
    }

}