/* Header Styles */
.main-header {
    background: linear-gradient(135deg, #1e3a5f 0%, #0d2137 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 999999;
    overflow: visible !important;
}

.main-header * {
    overflow: visible;
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    height: 60px;
    gap: 2rem;
}

/* Brand */
.header-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    flex-shrink: 0;
}

.brand-logo {
    height: 36px;
    width: auto;
}

.brand-text {
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    white-space: nowrap;
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.nav-group {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-primary {
    padding-right: 1rem;
    border-right: 1px solid rgba(255,255,255,0.15);
}

.nav-secondary {
    padding-left: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.15);
}

.nav-badge {
    background: #3b82f6;
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.125rem 0.4rem;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.nav-badge.danger {
    background: #ef4444;
}

/* Navigation Dropdowns */
.nav-dropdown {
    position: relative;
    z-index: 1000000;
}

.nav-dropdown-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.nav-dropdown-toggle .dropdown-arrow {
    transition: transform 0.2s;
    margin-left: 0.25rem;
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: fixed;
    min-width: 200px;
    background: var(--bg-secondary, white);
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 2000000;
    margin-top: 5px;
}

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

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    color: var(--text-primary, #374151);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.15s;
}

.nav-dropdown-item:hover {
    background: var(--bg-tertiary, #f3f4f6);
    color: var(--accent-primary, #1e3a5f);
}

.nav-dropdown-item.active {
    background: #e0e7ff;
    color: #1e40af;
    font-weight: 500;
}

.nav-dropdown-item i {
    width: 18px;
    text-align: center;
    color: #6b7280;
    font-size: 0.85rem;
}

.nav-dropdown-item:hover i,
.nav-dropdown-item.active i {
    color: #3b82f6;
}

.nav-dropdown-item .nav-badge {
    margin-left: auto;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.375rem 0.75rem 0.375rem 0.375rem;
    border-radius: 50px;
    cursor: pointer;
    color: white;
    transition: all 0.2s;
}

.user-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.user-avatar {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8rem;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
}

.dropdown-icon {
    opacity: 0.7;
    transition: transform 0.2s;
}

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

/* User Dropdown */
.user-dropdown {
    position: fixed;
    background: var(--bg-secondary, white);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0,0,0,0.05);
    min-width: 260px;
    display: none;
    z-index: 99999;
    overflow: hidden;
}

.user-menu.open .user-dropdown {
    display: block;
}

.dropdown-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-tertiary, #f8fafc);
    border-bottom: 1px solid var(--border-color, #e2e8f0);
}

.user-avatar-lg {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.user-fullname {
    font-weight: 600;
    color: var(--text-primary, #1e293b);
}

.user-email {
    font-size: 0.8rem;
    color: var(--text-secondary, #64748b);
}

.user-role-badge {
    display: inline-block;
    margin-top: 0.25rem;
    padding: 0.125rem 0.5rem;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 10px;
}

.role-admin {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: white;
}

.role-employee {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
}

.role-technician {
    background: linear-gradient(135deg, #059669, #047857);
    color: white;
}

.dropdown-section {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.dropdown-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
    margin-bottom: 0.5rem;
}

.theme-select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
}

.dropdown-divider {
    height: 1px;
    background: #e2e8f0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: #475569;
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.15s;
}

.dropdown-item:hover {
    background: #f1f5f9;
    color: #1e293b;
}

.dropdown-item svg {
    opacity: 0.6;
}

.dropdown-item:hover svg {
    opacity: 1;
}

.dropdown-item.logout {
    color: #dc2626;
}

.dropdown-item.logout:hover {
    background: #fef2f2;
}

/* Login Button */
.login-btn {
    background: white;
    color: #1e3a5f;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Mobile Menu Toggle (Hamburger) */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: background 0.2s;
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Responsive */
@media (max-width: 1100px) {
    .nav-link {
        padding: 0.5rem 0.625rem;
        font-size: 0.85rem;
    }

    .brand-text {
        display: none;
    }
}

@media (max-width: 900px) {
    .header-container {
        position: relative;
    }

    .mobile-menu-toggle {
        display: flex;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }

    .main-nav {
        display: none;
        position: fixed;
        top: 68px;
        left: 1rem;
        right: 1rem;
        max-height: 70vh;
        background: linear-gradient(135deg, #1e3a5f 0%, #0d2137 100%);
        border-radius: 12px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        flex-direction: column;
        align-items: stretch;
        padding: 0.75rem;
        gap: 0.25rem;
        overflow-y: auto;
        z-index: 999998;
    }

    .main-nav.mobile-open {
        display: flex;
    }

    .nav-group {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-primary {
        border-right: none;
        padding-right: 0;
        border-bottom: 1px solid rgba(255,255,255,0.15);
        padding-bottom: 0.5rem;
    }

    .nav-secondary {
        display: flex !important;
        flex-direction: column;
        padding-left: 0;
        padding-top: 0.25rem;
    }

    .nav-link {
        padding: 0.6rem 0.875rem;
        font-size: 0.95rem;
    }

    /* Mobile dropdown behavior: tap to expand */
    .nav-dropdown-menu {
        position: static;
        min-width: 0;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 6px;
        box-shadow: none;
        padding: 0;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        transform: none;
        transition: max-height 0.3s ease, opacity 0.2s ease, visibility 0.2s ease, padding 0.3s ease;
        margin-top: 0;
        margin-left: 1rem;
    }

    .nav-dropdown:hover .nav-dropdown-menu {
        opacity: 0;
        visibility: hidden;
    }

    .nav-dropdown.mobile-expanded .nav-dropdown-menu {
        opacity: 1;
        visibility: visible;
        max-height: 500px;
        padding: 0.25rem 0;
    }

    .nav-dropdown-item {
        color: rgba(255, 255, 255, 0.85);
        padding: 0.625rem 1rem;
    }

    .nav-dropdown-item:hover {
        background: rgba(255, 255, 255, 0.1);
        color: white;
    }

    .nav-dropdown-item.active {
        background: rgba(255, 255, 255, 0.15);
        color: white;
    }

    .nav-dropdown-item i {
        color: rgba(255, 255, 255, 0.6);
    }

    .nav-dropdown-item:hover i,
    .nav-dropdown-item.active i {
        color: white;
    }
}

@media (max-width: 640px) {
    .header-container {
        padding: 0 0.75rem;
        gap: 0.5rem;
    }

    .user-name {
        display: none;
    }
}

/* Narrow screens (Galaxy Fold folded: 280px, small phones) */
@media (max-width: 360px) {
    .header-container {
        padding: 0 0.5rem;
        height: 52px;
        gap: 0.25rem;
    }

    .brand-logo {
        height: 28px;
    }

    .mobile-menu-toggle {
        width: 34px;
        height: 34px;
        padding: 6px;
    }

    .hamburger-line {
        width: 18px;
    }

    .user-btn {
        padding: 0.25rem 0.5rem 0.25rem 0.25rem;
    }

    .user-avatar {
        width: 24px;
        height: 24px;
        font-size: 0.7rem;
    }

    .main-nav {
        top: 56px;
        left: 0.5rem;
        right: 0.5rem;
        padding: 0.5rem;
        border-radius: 10px;
        gap: 0.125rem;
    }

    .nav-link {
        padding: 0.5rem 0.625rem;
        font-size: 0.85rem;
        gap: 0.25rem;
    }

    .nav-dropdown-item {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
        gap: 0.5rem;
    }

    .nav-dropdown-menu {
        margin-left: 0.5rem;
    }
}

/* Theme Adjustments */
[data-theme="dark"] .user-dropdown,
[data-theme="ocean"] .user-dropdown,
[data-theme="forest"] .user-dropdown,
[data-theme="sunset"] .user-dropdown,
[data-theme="midnight"] .user-dropdown,
[data-theme="purple"] .user-dropdown {
    background: #1e293b;
    border: 1px solid #334155;
}

[data-theme="dark"] .dropdown-header,
[data-theme="ocean"] .dropdown-header,
[data-theme="forest"] .dropdown-header,
[data-theme="sunset"] .dropdown-header,
[data-theme="midnight"] .dropdown-header,
[data-theme="purple"] .dropdown-header {
    background: #0f172a;
    border-color: #334155;
}

[data-theme="dark"] .user-fullname,
[data-theme="ocean"] .user-fullname,
[data-theme="forest"] .user-fullname,
[data-theme="sunset"] .user-fullname,
[data-theme="midnight"] .user-fullname,
[data-theme="purple"] .user-fullname {
    color: #f1f5f9;
}

[data-theme="dark"] .dropdown-item,
[data-theme="ocean"] .dropdown-item,
[data-theme="forest"] .dropdown-item,
[data-theme="sunset"] .dropdown-item,
[data-theme="midnight"] .dropdown-item,
[data-theme="purple"] .dropdown-item {
    color: #cbd5e1;
}

[data-theme="dark"] .dropdown-item:hover,
[data-theme="ocean"] .dropdown-item:hover,
[data-theme="forest"] .dropdown-item:hover,
[data-theme="sunset"] .dropdown-item:hover,
[data-theme="midnight"] .dropdown-item:hover,
[data-theme="purple"] .dropdown-item:hover {
    background: #334155;
    color: white;
}

[data-theme="dark"] .dropdown-divider,
[data-theme="ocean"] .dropdown-divider,
[data-theme="forest"] .dropdown-divider,
[data-theme="sunset"] .dropdown-divider,
[data-theme="midnight"] .dropdown-divider,
[data-theme="purple"] .dropdown-divider,
[data-theme="dark"] .dropdown-section,
[data-theme="ocean"] .dropdown-section,
[data-theme="forest"] .dropdown-section,
[data-theme="sunset"] .dropdown-section,
[data-theme="midnight"] .dropdown-section,
[data-theme="purple"] .dropdown-section {
    border-color: #334155;
}

[data-theme="dark"] .theme-select,
[data-theme="ocean"] .theme-select,
[data-theme="forest"] .theme-select,
[data-theme="sunset"] .theme-select,
[data-theme="midnight"] .theme-select,
[data-theme="purple"] .theme-select {
    background: #0f172a;
    border-color: #334155;
    color: #f1f5f9;
}