/* ============================================
   FLOWIN - Componenti Riutilizzabili
   ============================================ */

/* === Header & Navigation === */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: background-color var(--transition-base);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none;
}

.logo:hover {
    text-decoration: none;
    opacity: 0.9;
}

.logo-icon {
    color: var(--color-primary);
}

.logo-text {
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
}

.nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
    text-decoration: none;
}

.nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-bg);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: inline; }

/* === Pulsanti === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--text-inverse);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--text-inverse);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color-hover);
}

.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }
.btn-sm { padding: 0.5rem 0.75rem; font-size: 0.75rem; }

/* === Card === */
.card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* === Form Elements === */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.form-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-family: var(--font-primary);
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

/* === Badge === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    line-height: 1.5;
}

.badge-primary { background: var(--color-primary-bg); color: var(--color-primary); }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }

/* Trasporti Badge */
.badge-bus { background: var(--color-primary-bg); color: var(--color-bus); }
.badge-train { background: #d1fae5; color: var(--color-train); }
.badge-metro { background: #ede9fe; color: var(--color-metro); }
.badge-ferry { background: #cffafe; color: var(--color-ferry); }

/* [data-theme="dark"] trasporti badge */
[data-theme="dark"] .badge-primary { background: rgba(51, 136, 221, 0.2); }
[data-theme="dark"] .badge-success { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; }
[data-theme="dark"] .badge-warning { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }
[data-theme="dark"] .badge-bus { background: rgba(51, 136, 221, 0.2); }
[data-theme="dark"] .badge-train { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; }
[data-theme="dark"] .badge-metro { background: rgba(139, 92, 246, 0.2); color: #c4b5fd; }
[data-theme="dark"] .badge-ferry { background: rgba(6, 182, 212, 0.2); color: #67e8f9; }

/* === Alerts === */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid;
    font-size: 0.875rem;
}

.alert-info { background: #eff6ff; border-color: #bfdbfe; color: #1e40af; }
.alert-success { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.alert-warning { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.alert-error { background: #fef2f2; border-color: #fecaca; color: #991b1b; }

[data-theme="dark"] .alert-info { background: rgba(59, 130, 246, 0.1); border-color: rgba(59, 130, 246, 0.2); color: #93c5fd; }
[data-theme="dark"] .alert-success { background: rgba(16, 185, 129, 0.1); border-color: rgba(16, 185, 129, 0.2); color: #6ee7b7; }
[data-theme="dark"] .alert-warning { background: rgba(245, 158, 11, 0.1); border-color: rgba(245, 158, 11, 0.2); color: #fcd34d; }
[data-theme="dark"] .alert-error { background: rgba(239, 68, 68, 0.1); border-color: rgba(239, 68, 68, 0.2); color: #fca5a5; }

/* === Loading === */
.spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--border-color);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.skeleton {
    background: linear-gradient(90deg, 
        var(--bg-tertiary) 25%, 
        var(--bg-secondary) 50%, 
        var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--border-radius);
}

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

/* === Footer === */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
}

.footer-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.footer-subtitle {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* === Mobile Menu === */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 4rem;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        z-index: 99;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-link {
        padding: var(--spacing-md);
        font-size: 1.125rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}