/* ============================================================
   MEGA DROPDOWN NAVBAR — navbar.css  (v2)
   ============================================================ */

:root {
    --nav-bg: #0a1628;
    --nav-accent: #10b981;
    --nav-accent-dark: #059669;
    --nav-accent-light: #e1f5ee;
    --nav-text-muted: #94a3b8;
    --panel-bg: #ffffff;
    --panel-bg-side: #f8fafc;
    --panel-border: #e2e8f0;
    --panel-shadow: 0 20px 60px rgba(0,0,0,0.15), 0 4px 16px rgba(0,0,0,0.08);
    --sub-hover: #f0fdf9;
    --radius-md: 6px;
    --radius-lg: 10px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --panel-bg: #1e293b;
        --panel-bg-side: #1a2535;
        --panel-border: #334155;
        --sub-hover: #0f2d24;
        --panel-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 4px 16px rgba(0,0,0,0.3);
    }
}

/* ---------- Navbar shell ---------- */
.mega-navbar {
    background: var(--nav-bg);
    position: relative;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.mega-navbar-inner {
    display: flex;
    align-items: stretch;
    padding: 0 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* ---------- Logo ---------- */
.mega-nav-logo {
    display: flex;
    align-items: center;
    padding: 0 1.5rem 0 0;
    margin-right: 0.5rem;
    border-right: 0.5px solid rgba(255,255,255,0.1);
    text-decoration: none;
    flex-shrink: 0;
}

.mega-nav-logo .logo-title {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.2px;
    display: block;
}

.mega-nav-logo .logo-sub {
    font-size: 10px;
    color: var(--nav-accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: block;
    margin-top: 1px;
}

/* ---------- Nav items wrapper ---------- */
.mega-nav-items {
    display: flex;
    flex: 1;
    align-items: stretch;
}

/* ---------- Nav item ---------- */
.mega-nav-item {
    position: static;
}

.mega-nav-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 14px;
    height: 52px;
    font-size: 13px;
    font-weight: 500;
    color: var(--nav-text-muted);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
    transition: color 0.15s, border-color 0.15s;
}

.mega-nav-btn:hover,
.mega-nav-item.open .mega-nav-btn {
    color: #fff;
    border-bottom-color: var(--nav-accent);
}

.mega-nav-btn.active {
    color: var(--nav-accent);
    border-bottom-color: var(--nav-accent);
}

.mega-nav-btn .nav-arrow {
    font-size: 12px;
    transition: transform 0.2s;
    color: var(--nav-text-muted);
}

.mega-nav-item.open .mega-nav-btn .nav-arrow {
    transform: rotate(180deg);
    color: var(--nav-accent);
}

/* ---------- Dropdown Panel ---------- */
.mega-dropdown-panel {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--panel-bg);
    border-top: 2px solid var(--nav-accent);
    border-bottom: 0.5px solid var(--panel-border);
    box-shadow: var(--panel-shadow);
    display: none;
    z-index: 999;
    animation: panelSlideIn 0.18s ease;
}

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

.mega-nav-item.open .mega-dropdown-panel {
    display: block;
}

/* ==========================================================
   SIDEBAR LAYOUT  — barcha dropdown panellar uchun bir xil
   Chap: submenu ro'yxati  |  O'ng: sub2 kontent
   ========================================================== */
.panel-layout {
    display: flex;
    min-height: 260px;
    max-height: 480px;
}

/* ---------- Left sidebar ---------- */
.panel-col1 {
    width: 230px;
    flex-shrink: 0;
    background: var(--panel-bg-side);
    border-right: 0.5px solid var(--panel-border);
    padding: 0.75rem 0;
    overflow-y: auto;
}

.col1-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 1.25rem;
    font-size: 13px;
    color: #64748b;
    cursor: pointer;
    border-left: 2px solid transparent;
    border-right: none;
    border-top: none;
    border-bottom: none;
    background: none;
    width: 100%;
    text-align: left;
    transition: all 0.12s;
    user-select: none;
    line-height: 1.4;
}

.col1-item:hover,
.col1-item.active {
    background: var(--sub-hover);
    color: var(--nav-accent-dark);
    border-left-color: var(--nav-accent);
}

.col1-item.active {
    font-weight: 500;
}

.col1-item i.col1-icon {
    font-size: 16px;
    flex-shrink: 0;
    color: #94a3b8;
}

.col1-item:hover i.col1-icon,
.col1-item.active i.col1-icon {
    color: var(--nav-accent);
}

.col1-item .col1-arrow {
    margin-left: auto;
    font-size: 12px;
    color: #cbd5e1;
    flex-shrink: 0;
}

/* ---------- Right content pane ---------- */
.panel-col2 {
    flex: 1;
    padding: 1.25rem 1.5rem;
    display: none;
    overflow-y: auto;
}

.panel-col2.active {
    display: block;
}

.col2-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--nav-accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 0.5px solid var(--panel-border);
}

.col2-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 4px;
}

/* ---------- Links inside panel ---------- */
.mega-panel-link {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 9px 12px;
    font-size: 13px;
    color: #475569;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.12s, color 0.12s;
    line-height: 1.45;
    text-decoration: none;
}

.mega-panel-link:hover {
    background: var(--sub-hover);
    color: var(--nav-accent-dark);
}

.mega-panel-link .link-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #cbd5e1;
    margin-top: 6px;
    flex-shrink: 0;
    transition: background 0.12s;
}

.mega-panel-link:hover .link-dot {
    background: var(--nav-accent);
}

/* ---------- Panel Footer ---------- */
.panel-footer {
    padding: 0.75rem 1.5rem;
    background: var(--panel-bg-side);
    border-top: 0.5px solid var(--panel-border);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.panel-footer-link {
    font-size: 12px;
    color: #94a3b8;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    text-decoration: none;
    transition: color 0.12s;
}

.panel-footer-link:hover {
    color: var(--nav-accent);
}

/* ---------- Mobile Toggle ---------- */
.mega-mobile-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    width: 40px;
    height: 52px;
    color: #fff;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 20px;
}

/* ---------- Mobile Menu ---------- */
.mega-mobile-menu {
    display: none;
    background: var(--nav-bg);
    border-top: 0.5px solid rgba(255,255,255,0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mega-mobile-menu.open {
    max-height: 700px;
    overflow-y: auto;
}

.mob-item {
    border-bottom: 0.5px solid rgba(255,255,255,0.07);
}

.mob-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 1.25rem;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    user-select: none;
    transition: color 0.12s;
}

.mob-head:hover,
.mob-head.open {
    color: #fff;
}

.mob-head .arr {
    font-size: 13px;
    transition: transform 0.2s;
}

.mob-head.open .arr {
    transform: rotate(180deg);
}

.mob-sub {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
    background: rgba(255,255,255,0.03);
}

.mob-sub.open {
    max-height: 500px;
}

.mob-link {
    display: block;
    padding: 9px 1.25rem 9px 2rem;
    font-size: 13px;
    color: rgba(255,255,255,0.45);
    cursor: pointer;
    border-left: 2px solid transparent;
    transition: all 0.12s;
    text-decoration: none;
}

.mob-link:hover {
    color: #fff;
    border-left-color: var(--nav-accent);
    background: rgba(16,185,129,0.08);
}

.mob-link-plain {
    display: block;
    padding: 13px 1.25rem;
    font-size: 13px;
    color: rgba(255,255,255,0.55);
    cursor: pointer;
    text-decoration: none;
    transition: color 0.12s;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.mob-link-plain:hover {
    color: #fff;
}

.mob-sub2 {
    padding: 4px 0 4px 1rem;
    background: rgba(0,0,0,0.15);
    display: none;
    margin-top: 4px;
}

.mob-sub2-link {
    display: block;
    padding: 7px 1rem;
    font-size: 12px;
    color: rgba(255,255,255,0.35);
    cursor: pointer;
    border-left: 1px solid rgba(255,255,255,0.1);
    transition: color 0.12s, border-color 0.12s;
    text-decoration: none;
}

.mob-sub2-link:hover {
    color: var(--nav-accent);
    border-left-color: var(--nav-accent);
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
    .mega-nav-btn { padding: 0 9px; font-size: 12px; }
}

@media (max-width: 768px) {
    .mega-nav-items { display: none; }
    .mega-mobile-toggle { display: flex; }
    .mega-mobile-menu { display: block; }
}