/* ============================================
   LAYOUT — Navbar, Sidebar, Footer, Containers
   ============================================ */

/* ---- MAIN CONTENT ---- */
.main-content {
    min-height: calc(100vh - var(--navbar-height));
    padding-top: var(--navbar-height);
}

/* ---- NAVBAR ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    z-index: var(--z-navbar);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .navbar-inner {
        padding: 0 var(--space-6);
    }
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    flex-shrink: 0;
}

.navbar-brand-icon {
    font-size: 1.5rem;
}

.navbar-brand-text {
    font-family: var(--font-display);
    font-weight: var(--weight-bold);
    font-size: var(--text-lg);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.navbar-brand-text small {
    font-size: var(--text-xs);
    font-weight: var(--weight-regular);
    color: var(--text-tertiary);
    font-family: var(--font-body);
}

.navbar-nav {
    display: none;
    align-items: center;
    gap: var(--space-1);
}

@media (min-width: 1024px) {
    .navbar-nav {
        display: flex;
    }
}

.navbar-link {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.navbar-link:hover,
.navbar-link.active {
    color: var(--primary-600);
    background: var(--primary-50);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.navbar-user:hover {
    background: var(--gray-100);
}

.navbar-user-name {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-primary);
}

/* Hamburger */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 24px;
    cursor: pointer;
    padding: var(--space-2);
    border: none;
    background: none;
}

@media (min-width: 1024px) {
    .hamburger {
        display: none;
    }
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: var(--navbar-height);
    right: 0;
    bottom: 0;
    width: 300px;
    max-width: 85vw;
    background: var(--bg-primary);
    box-shadow: var(--shadow-2xl);
    z-index: var(--z-sidebar);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    padding: var(--space-4);
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu-overlay {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: calc(var(--z-sidebar) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.mobile-menu-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    text-decoration: none;
    margin-bottom: var(--space-1);
}

.mobile-menu-link:hover,
.mobile-menu-link.active {
    background: var(--primary-50);
    color: var(--primary-600);
}

.mobile-menu-divider {
    height: 1px;
    background: var(--gray-200);
    margin: var(--space-3) 0;
}

/* ---- SIDEBAR (Dashboard) ---- */
.dashboard-layout {
    display: flex;
    min-height: calc(100vh - var(--navbar-height));
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-primary);
    border-right: 1px solid var(--gray-200);
    padding: var(--space-5) var(--space-3);
    position: sticky;
    top: var(--navbar-height);
    height: calc(100vh - var(--navbar-height));
    overflow-y: auto;
    flex-shrink: 0;
    display: none;
}

@media (min-width: 1024px) {
    .sidebar {
        display: block;
    }
}

.sidebar-section {
    margin-bottom: var(--space-6);
}

.sidebar-section-title {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0 var(--space-3);
    margin-bottom: var(--space-2);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
    margin-bottom: 2px;
}

.sidebar-link:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.sidebar-link.active {
    background: var(--primary-50);
    color: var(--primary-600);
}

.sidebar-link .icon {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-link .badge {
    margin-left: auto;
}

.sidebar-user-card {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

/* Dashboard Content Area */
.dashboard-content {
    flex: 1;
    padding: var(--space-6);
    min-width: 0;
    background: var(--bg-secondary);
}

@media (max-width: 767px) {
    .dashboard-content {
        padding: var(--space-4);
    }
}

.dashboard-header {
    margin-bottom: var(--space-6);
}

.dashboard-title {
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.dashboard-subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

@media (min-width: 640px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ---- FOOTER ---- */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--space-16) 0 var(--space-6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-brand-name {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: #ffffff;
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-brand-desc {
    font-size: var(--text-sm);
    color: var(--gray-400);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-lg);
    background: var(--gray-800);
    color: var(--gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: var(--text-sm);
}

.footer-social a:hover {
    background: var(--primary-600);
    color: #fff;
}

.footer-column-title {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: #ffffff;
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-link {
    font-size: var(--text-sm);
    color: var(--gray-400);
    transition: color var(--transition-fast);
    text-decoration: none;
}

.footer-link:hover {
    color: #ffffff;
}

.footer-bottom {
    padding-top: var(--space-6);
    border-top: 1px solid var(--gray-800);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-bottom p {
    font-size: var(--text-sm);
    color: var(--gray-500);
}

/* ---- SECTION LAYOUT ---- */
.section {
    padding: var(--space-16) 0;
}

@media (max-width: 767px) {
    .section {
        padding: var(--space-10) 0;
    }
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-10);
}

.section-header h2 {
    margin-bottom: var(--space-3);
}

.section-header p {
    font-size: var(--text-base);
    color: var(--text-secondary);
}

.section-bg {
    background: var(--bg-primary);
}

.section-bg-alt {
    background: var(--bg-secondary);
}

/* ---- GRID SYSTEMS ---- */
.jobs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .jobs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .jobs-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ---- PAGE CONTENT - With Sidebar ---- */
.page-with-sidebar {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .page-with-sidebar {
        grid-template-columns: 280px 1fr;
    }
}

@media (min-width: 1024px) {
    .page-with-sidebar {
        grid-template-columns: 300px 1fr;
    }
}