/* ============================================
   Navigation Component - Modern Glass Design
   ============================================ */

.navbar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky, 200);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    overflow: visible;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6, 24px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
    overflow: visible;
}

.navbar-brand {
    font-size: var(--text-lg, 1.125rem);
    font-weight: 700;
    color: var(--text-primary, #0f172a);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-3, 12px);
    transition: all var(--transition-fast, 150ms);
}

.navbar-brand:hover {
    color: var(--brand-primary, #6366f1);
}

.navbar-brand-icon {
    width: 32px;
    height: 32px;
    background: var(--brand-gradient, linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%));
    border-radius: var(--radius-md, 8px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: var(--text-sm, 0.875rem);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1, 4px);
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar-menu a,
.navbar-menu .nav-link {
    color: var(--text-secondary, #475569);
    text-decoration: none;
    padding: var(--space-2, 8px) var(--space-4, 16px);
    border-radius: var(--radius-md, 8px);
    font-weight: 500;
    font-size: var(--text-sm, 0.875rem);
    transition: all var(--transition-fast, 150ms);
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
}

.navbar-menu a:hover,
.navbar-menu .nav-link:hover {
    background: var(--bg-hover, #f1f5f9);
    color: var(--text-primary, #0f172a);
}

.navbar-menu a.active,
.navbar-menu .nav-link.active {
    background: var(--brand-primary-light, #eef2ff);
    color: var(--brand-primary, #6366f1);
}

/* Nav Icons */
.nav-icon {
    width: 18px;
    height: 18px;
    opacity: 0.7;
}

/* Logout Button */
.navbar-menu .btn-logout {
    background: transparent;
    color: var(--color-danger, #ef4444);
    border: 1px solid var(--color-danger, #ef4444);
    padding: var(--space-2, 8px) var(--space-4, 16px);
    border-radius: var(--radius-md, 8px);
    font-weight: 500;
    font-size: var(--text-sm, 0.875rem);
    cursor: pointer;
    transition: all var(--transition-fast, 150ms);
    margin-left: var(--space-2, 8px);
}

.navbar-menu .btn-logout:hover {
    background: var(--color-danger, #ef4444);
    color: white;
}

/* Role Badge in Nav */
.role-badge {
    font-size: var(--text-xs, 0.75rem);
    padding: var(--space-1, 4px) var(--space-3, 12px);
    border-radius: var(--radius-full, 9999px);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: var(--space-2, 8px);
}

.role-badge.admin {
    background: var(--color-warning-light, #fffbeb);
    color: var(--color-warning-dark, #92400e);
}

.role-badge.manager {
    background: var(--brand-primary-light, #eef2ff);
    color: var(--brand-primary-dark, #4338ca);
}

.role-badge.user {
    background: var(--gray-100, #f1f5f9);
    color: var(--gray-600, #475569);
}

/* Hamburger Menu */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2, 8px);
    border-radius: var(--radius-md, 8px);
    transition: all var(--transition-fast, 150ms);
}

.navbar-toggle:hover {
    background: var(--bg-hover, #f1f5f9);
}

.navbar-toggle-icon {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 22px;
}

.navbar-toggle-icon span {
    display: block;
    height: 2px;
    background: var(--text-primary, #0f172a);
    border-radius: 2px;
    transition: all var(--transition-base, 200ms);
    transform-origin: center;
}

/* Mobile Styles */
@media (max-width: 768px) {
    .navbar-container {
        padding: 0 var(--space-4, 16px);
    }

    .navbar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .navbar-menu {
        position: fixed;
        top: 64px;
        right: 0;
        z-index: var(--z-sticky, 200);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: stretch;
        width: 280px;
        height: calc(100vh - 64px);
        height: calc(100dvh - 64px);
        overflow-y: auto;
        box-shadow: -4px 0 15px rgba(0, 0, 0, 0.1);
        padding: var(--space-4, 16px);
        gap: var(--space-1, 4px);
        visibility: hidden;
        opacity: 0;
        transform: translateX(20px);
        transition: transform var(--transition-slow, 300ms) cubic-bezier(0.4, 0, 0.2, 1),
                    opacity var(--transition-slow, 300ms),
                    visibility 0s linear var(--transition-slow, 300ms);
    }

    .navbar-menu.active {
        visibility: visible;
        opacity: 1;
        transform: translateX(0);
        transition: transform var(--transition-slow, 300ms) cubic-bezier(0.4, 0, 0.2, 1),
                    opacity var(--transition-slow, 300ms),
                    visibility 0s linear 0s;
    }

    .navbar-menu a,
    .navbar-menu .nav-link {
        width: 100%;
        padding: var(--space-4, 16px);
        border-radius: var(--radius-lg, 12px);
    }

    .navbar-menu .btn-logout {
        width: 100%;
        margin: var(--space-4, 16px) 0 0 0;
        padding: var(--space-4, 16px);
        text-align: center;
        justify-content: center;
    }

    .role-badge {
        margin: 0;
        align-self: flex-start;
        margin-bottom: var(--space-4, 16px);
    }

    /* Hamburger animation to X */
    .navbar-toggle.active .navbar-toggle-icon span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .navbar-toggle.active .navbar-toggle-icon span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

    .navbar-toggle.active .navbar-toggle-icon span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

/* Nav divider for grouping */
.nav-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color, #e2e8f0);
    margin: 0 var(--space-2, 8px);
}

@media (max-width: 768px) {
    .nav-divider {
        width: 100%;
        height: 1px;
        margin: var(--space-3, 12px) 0;
    }
}

/* User avatar in nav */
.nav-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full, 9999px);
    background: var(--brand-gradient, linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: var(--text-sm, 0.875rem);
    text-transform: uppercase;
}

/* Mobile backdrop overlay */
.navbar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    top: 64px;
    background: rgba(0, 0, 0, 0.3);
    z-index: calc(var(--z-sticky, 200) - 1);
    opacity: 0;
    transition: opacity var(--transition-base, 200ms);
}

.navbar-backdrop.active {
    display: block;
    opacity: 1;
}