/* ============================================
   MAIN NAVIGATION & APP STRUCTURE
   ============================================ */

/* Top Navigation Bar */
.top-nav {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    height: 50px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

.nav-brand .brand-text {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: white;
}

.nav-brand .brand-text span {
    color: var(--accent-orange);
}

/* Main Navigation Container */
.main-nav {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-logo-icon {
    font-size: 1.5rem;
}

.nav-logo-text {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: white;
}

/* Main Navigation Links */
.nav-menu,
.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all 0.2s;
    position: relative;
    white-space: nowrap;
}

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

.nav-link.active {
    color: white;
    background: var(--accent-orange);
}

.nav-link .nav-icon {
    font-size: 1rem;
}

.nav-link .nav-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--accent-red);
    color: white;
    font-size: 0.55rem;
    padding: 0.1rem 0.3rem;
    border-radius: 8px;
    font-weight: 600;
}

/* Nav Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-width: 200px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}

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

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.75rem;
    transition: all 0.15s;
}

.nav-dropdown-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-dropdown-item .item-icon {
    width: 20px;
    text-align: center;
}

.nav-dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

/* User Menu */
.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
}

.nav-user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
}

.nav-user-info:hover {
    background: rgba(255,255,255,0.1);
}

.nav-user-info::after {
    content: '\25BE';
    font-size: 0.6rem;
    color: rgba(255,255,255,0.4);
    margin-left: 0.2rem;
}

.nav-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: white;
    font-weight: 600;
}

.nav-user-details {
    display: flex;
    flex-direction: column;
}

.nav-user-name {
    font-size: 0.75rem;
    color: white;
    font-weight: 500;
}

.nav-user-role {
    font-size: 0.6rem;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
}

.nav-user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
    padding: 0;
    display: none;
    z-index: 1200;
    overflow: hidden;
}

.nav-user.nav-user-open .nav-user-dropdown {
    display: block;
    animation: navDropIn 0.15s ease;
}

@keyframes navDropIn {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* User profile header inside dropdown */
.nav-user-dropdown-header {
    padding: 0.75rem 0.85rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.08), transparent 60%);
}

.nav-user-dropdown-header .dropdown-user-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
}

.nav-user-dropdown-header .dropdown-user-role {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-top: 0.15rem;
    display: block;
}

.nav-user-dropdown-actions {
    padding: 0.35rem 0;
}

.nav-user-dropdown-item {
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: left;
    padding: 0.55rem 0.85rem;
    font-size: 0.78rem;
    cursor: pointer;
    transition: all 0.15s;
}

.nav-user-dropdown-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-user-dropdown-item.nav-user-dropdown-logout {
    color: #ef4444;
}

.nav-user-dropdown-item.nav-user-dropdown-logout:hover {
    background: rgba(239, 68, 68, 0.08);
    color: #f87171;
}

/* ============================================
   ENHANCED STATS DASHBOARD
   ============================================ */

.stats-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.stat-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-card .stat-icon.orange { background: rgba(249, 115, 22, 0.15); }
.stat-card .stat-icon.blue { background: rgba(56, 189, 248, 0.15); }
.stat-card .stat-icon.green { background: rgba(34, 197, 94, 0.15); }
.stat-card .stat-icon.yellow { background: rgba(234, 179, 8, 0.15); }
.stat-card .stat-icon.purple { background: rgba(168, 85, 247, 0.15); }
.stat-card .stat-icon.red { background: rgba(239, 68, 68, 0.15); }
.stat-card .stat-icon.cyan { background: rgba(6, 182, 212, 0.15); }

.stat-card .stat-content {
    flex: 1;
}

.stat-card .stat-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.stat-card .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
}

.stat-card .stat-change {
    font-size: 0.65rem;
    margin-top: 0.25rem;
}

.stat-card .stat-change.up { color: var(--accent-green); }
.stat-card .stat-change.down { color: var(--accent-red); }

/* ============================================
   PAGE TABS / SUB-NAVIGATION
   ============================================ */

.page-tabs {
    display: flex;
    gap: 0.25rem;
    padding: 0.5rem 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.page-tab {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.page-tab:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.page-tab.active {
    color: var(--accent-orange);
    background: rgba(249, 115, 22, 0.1);
    font-weight: 500;
}

/* Page Tabs Container - New Layout */
.page-tabs-container {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 1.5rem;
}

.page-tabs-container .page-tabs {
    padding: 0;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.row-counter-badge {
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    white-space: nowrap;
    margin-left: 1rem;
}

.row-counter-badge span {
    color: var(--accent-orange);
    font-weight: 600;
}

/* Light Theme - Page Tabs Container */
[data-theme="light"] .page-tabs-container {
    background: #ffffff !important;
    border-bottom-color: #d6e2ea !important;
}

[data-theme="light"] .row-counter-badge {
    background: #eef4f8 !important;
    border-color: #d6e2ea !important;
    color: #6c7b88 !important;
}

[data-theme="light"] .row-counter-badge span {
    color: #0f7ea2 !important;
}

[data-theme="light"] .page-tab.active {
    color: #0a5989 !important;
    background: #e6f3f8 !important;
}

/* ============================================
   INTERFACE BADGES
   ============================================ */

.interface-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.interface-badge.backoffice {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
}

.interface-badge.wms {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.interface-badge.portal {
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
}