/* === AI Story Club — Header & Navigation Styles === */
/* Moved from layout/header.php to fix FOUC */

.nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 16px 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav.scrolled {
    background: rgba(254, 249, 245, 0.9);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--gray-200);
    padding: 10px 0;
}
[data-theme="dark"] .nav.scrolled { background: rgba(26, 21, 18, 0.9); }

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-logo .logo-icon {
    width: 36px; height: 36px;
    background: var(--coral);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.nav-logo:hover .logo-icon { transform: rotate(-10deg) scale(1.1); }

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    margin: 0; padding: 0;
}
.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--coral);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { color: var(--text); }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.theme-toggle {
    width: 44px; height: 44px;
    border-radius: 12px;
    border: 2px solid var(--gray-200);
    background: var(--bg);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s;
}
.theme-toggle:hover { border-color: var(--coral); }

.lang-toggle {
    width: 44px; height: 44px;
    border-radius: 12px;
    border: 2px solid var(--gray-200);
    background: var(--bg);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s;
}
.lang-toggle:hover { border-color: var(--coral); }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-primary {
    background: var(--coral);
    color: white;
    box-shadow: 0 4px 20px rgba(255, 107, 74, 0.3);
}
.btn-primary:hover {
    background: var(--coral-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 107, 74, 0.4);
}
.btn-outline {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--gray-300);
}
.btn-outline:hover {
    border-color: var(--coral);
    color: var(--coral);
    transform: translateY(-2px);
}

/* Dropdown */
.user-dropdown { position: relative; display: inline-block; }
.user-dropdown-toggle {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px; border: none;
    background: transparent; cursor: pointer;
    border-radius: 100px; transition: all 0.2s;
    font-size: 0.95rem; color: var(--text);
}
.user-dropdown-toggle:hover { background: var(--gray-100); }
.user-avatar-small {
    width: 32px; height: 32px;
    border-radius: 50%; overflow: hidden;
    background: var(--coral);
    display: flex; align-items: center; justify-content: center;
}
.user-avatar-small img { width: 100%; height: 100%; object-fit: cover; }
.avatar-text { color: white; font-weight: 700; font-size: 0.9rem; }
.username { font-weight: 600; max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dropdown-arrow { transition: transform 0.3s; }
.user-dropdown.active .dropdown-arrow { transform: rotate(180deg); }
.user-dropdown-menu {
    position: absolute; top: calc(100% + 8px); right: 0;
    width: 240px;
    background: white; border-radius: 16px;
    border: 2px solid var(--gray-200);
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    opacity: 0; visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 1000; overflow: hidden;
}
.user-dropdown.active .user-dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-header {
    display: flex; align-items: center; gap: 12px; padding: 16px;
    background: linear-gradient(135deg, var(--coral) 0%, var(--coral-dark) 100%); color: white;
}
.user-avatar-large {
    width: 48px; height: 48px; border-radius: 50%; overflow: hidden;
    border: 2px solid rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.3);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.user-avatar-large img { width: 100%; height: 100%; object-fit: cover; }
.user-info { flex: 1; min-width: 0; }
.user-info .name { font-weight: 700; font-size: 1rem; margin-bottom: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-info .email { font-size: 0.8rem; opacity: 0.9; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dropdown-divider { height: 1px; background: var(--gray-100); margin: 4px 0; }
.dropdown-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px; color: var(--text);
    text-decoration: none; transition: all 0.2s; font-size: 0.9rem;
}
.dropdown-item:hover { background: var(--gray-50); color: var(--coral); }
.logout-item { color: #e74c3c; }
.logout-item:hover { background: #fdf2f2; color: #e74c3c; }

@media (max-width: 768px) {
    .nav-links { display: none; }
    .username, .dropdown-arrow { display: none; }
    .user-dropdown-toggle { padding: 6px; }
    .mobile-menu-toggle { display: block !important; }
    .mobile-menu {
        display: none;
        position: fixed; top: 68px; left: 0; right: 0;
        background: white; border-bottom: 1px solid var(--gray-200);
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        z-index: 99;
        padding: 8px 0;
    }
    [data-theme="dark"] .mobile-menu { background: var(--gray-800); border-color: var(--gray-700); }
    .mobile-menu a {
        display: block;
        padding: 12px 24px;
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--text);
        text-decoration: none;
        transition: background 0.2s;
    }
    .mobile-menu a:hover { background: var(--gray-50); }
    [data-theme="dark"] .mobile-menu a:hover { background: var(--gray-700); }
}