/* HEADER & NAVIGATION */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    height: var(--header-height);
    background: transparent;
    transition: all var(--transition-base);
}

.header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(26, 26, 26, 0.95) 0%, transparent 100%);
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.header.scrolled {
    height: var(--header-height-scrolled);
    background: var(--color-primary);
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.header.scrolled::before { opacity: 0; }

.header-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--space-8);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    z-index: 10;
}

.logo-icon {
    width: 50px;
    height: 50px;
    object-fit: contain;
    transition: transform var(--transition-base);
}

.logo:hover .logo-icon { transform: scale(1.05); }

.logo-text { display: flex; flex-direction: column; line-height: 1.1; }

.logo-title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-gold);
    text-transform: uppercase;
}

.logo-subtitle {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    color: var(--color-accent);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    font-weight: var(--font-semibold);
}

.nav { display: flex; align-items: center; gap: var(--space-1); }

.nav-link {
    position: relative;
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-white);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.nav-link:hover { color: var(--color-accent); }
.nav-link:hover::after, .nav-link.active::after { width: calc(100% - var(--space-8)); }
.nav-link.active { color: var(--color-accent); }

.user-section {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-left: var(--space-6);
    z-index: 10;
}

.login-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
}

.login-btn:hover {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
    box-shadow: var(--shadow-red);
    transform: translateY(-2px);
    color: var(--color-white);
}

.login-btn svg { width: 18px; height: 18px; }

.user-menu { position: relative; }

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2);
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-trigger:hover {
    background: rgba(255,255,255,0.15);
    border-color: var(--color-accent);
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-accent);
    object-fit: cover;
}

.user-info { display: flex; flex-direction: column; text-align: left; padding-right: var(--space-2); }

.user-name {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-white);
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: var(--text-xs);
    color: var(--color-gold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.user-menu-arrow {
    width: 16px;
    height: 16px;
    color: var(--color-gray-400);
    transition: transform var(--transition-fast);
    margin-right: var(--space-2);
}

.user-menu.open .user-menu-arrow { transform: rotate(180deg); }

.user-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    min-width: 220px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    overflow: hidden;
}

.user-menu.open .user-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }

.dropdown-header {
    padding: var(--space-4);
    background: var(--color-gray-100);
    border-bottom: 1px solid var(--color-gray-200);
}

.dropdown-header .user-name { color: var(--color-primary); font-size: var(--text-base); max-width: none; }
.dropdown-header .user-role { color: var(--color-gray-600); }

.dropdown-menu { padding: var(--space-2) 0; }

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-gray-700);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.dropdown-item:hover { background: var(--color-gray-100); color: var(--color-accent); }
.dropdown-item svg { width: 18px; height: 18px; opacity: 0.7; }

.dropdown-divider { height: 1px; background: var(--color-gray-200); margin: var(--space-2) 0; }

.dropdown-item.logout { color: var(--color-error); }
.dropdown-item.logout:hover { background: rgba(239, 68, 68, 0.1); }

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 100;
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-fast);
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-fast);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.mobile-menu-toggle.active .hamburger { background: transparent; }
.mobile-menu-toggle.active .hamburger::before { top: 0; transform: rotate(45deg); }
.mobile-menu-toggle.active .hamburger::after { bottom: 0; transform: rotate(-45deg); }

@media (max-width: 1024px) {
    .nav {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 300px;
        flex-direction: column;
        align-items: flex-start;
        padding: calc(var(--header-height) + var(--space-8)) var(--space-6) var(--space-8);
        background: var(--color-primary);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        box-shadow: -10px 0 30px rgba(0,0,0,0.3);
    }
    .nav.open { transform: translateX(0); }
    .nav-link { width: 100%; padding: var(--space-4) 0; font-size: var(--text-base); border-bottom: 1px solid rgba(255,255,255,0.1); }
    .nav-link::after { display: none; }
    .mobile-menu-toggle { display: flex; }
    .user-section { margin-left: 0; }
    .user-info, .user-menu-arrow { display: none; }
}

@media (max-width: 768px) {
    .header-inner { padding: 0 var(--space-4); }
    .logo-text { display: none; }
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: calc(var(--z-fixed) - 1);
}

.mobile-overlay.active { opacity: 1; visibility: visible; }