/* ============================================================
   LMS NAVBAR — Pure Custom CSS (No Bootstrap)
   Responsive: 992px se neeche hamburger + left drawer
   ============================================================ */

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --nav-bg:          #ffffff;
    --nav-height:      60px;
    --nav-shadow:      0 2px 10px rgba(0,0,0,.08);
    --nav-text:        #1e293b;
    --nav-muted:       #64748b;
    --nav-hover-bg:    #f1f5f9;
    --nav-active:      #4f46e5;
    --nav-active-bg:   #ede9fe;
    --dropdown-bg:     #ffffff;
    --dropdown-shadow: 0 8px 30px rgba(0,0,0,.12);
    --drawer-width:    280px;
    --overlay-bg:      rgba(0,0,0,.45);
    --transition:      0.25s ease;
    --radius:          8px;
    --radius-lg:       12px;
}

/* ── Navbar Wrapper ────────────────────────────────────── */
.lms-navbar {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9980;
    background: var(--nav-bg);
    box-shadow: var(--nav-shadow);
    height: var(--nav-height);
    overflow: visible;          /* dropdown bahar dikhne ke liye */
}

/* ── Container — single row, no wrap ──────────────────── */
.nav-container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 1.25rem;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0;
    width: 100%;
    overflow: visible;          /* dropdown ke liye */
    position: relative;
}

/* ── Logo ──────────────────────────────────────────────── */
.nav-logo {
    display: flex;
    align-items: center;
    gap: .5rem;
    text-decoration: none;
    color: var(--nav-text);
    flex-shrink: 0;
    margin-right: .75rem;
    min-width: 0;
}

.nav-logo img {
    height: 36px;
    width: 36px;
    border-radius: var(--radius);
    object-fit: cover;
    flex-shrink: 0;
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.logo-text {
    font-size: .9rem;
    font-weight: 700;
    color: var(--nav-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

/* ── Nav Menu (Desktop) ────────────────────────────────── */
.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    justify-content: end;
    gap: 0;
    flex: 1;
    flex-wrap: nowrap;
    overflow: visible;          /* dropdown ke liye visible chahiye */
    margin: 0;
    padding: 0;
    height: 100%;
}

/* ── Nav Links ─────────────────────────────────────────── */
.nav-menu > li > a,
.nav-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .4rem .55rem;
    font-size: .8rem;
    font-weight: 500;
    color: var(--nav-text);
    text-decoration: none;
    border-radius: var(--radius);
    border: none;
    background: none;
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--transition), color var(--transition);
    position: relative;
    line-height: 1;
}

.nav-menu > li > a i,
.nav-dropdown-toggle i {
    font-size: .82rem;
    color: var(--nav-muted);
    transition: color var(--transition);
}

.nav-menu > li > a:hover,
.nav-dropdown-toggle:hover {
    background: var(--nav-hover-bg);
    color: var(--nav-active);
}

.nav-menu > li > a:hover i,
.nav-dropdown-toggle:hover i { color: var(--nav-active); }

/* Active */
.nav-menu > li > a.active {
    color: var(--nav-active);
    font-weight: 600;
}

.nav-menu > li > a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 55%;
    height: 2px;
    background: var(--nav-active);
    border-radius: 2px;
}

.nav-menu > li > a.active i { color: var(--nav-active); }

/* ── More Tools Dropdown ───────────────────────────────── */
.nav-dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-dropdown-toggle {
    background: var(--nav-active);
    color: white !important;
    border-radius: 20px;
    padding: .4rem .85rem;
    font-weight: 600;
}

.nav-dropdown-toggle i,
.nav-dropdown-toggle .arrow { color: white !important; }

.nav-dropdown-toggle:hover {
    background: #3730a3 !important;
    color: white !important;
}

.nav-dropdown-toggle .arrow {
    font-size: .6rem;
    margin-left: .15rem;
    transition: transform var(--transition);
    display: inline-block;
}

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

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 200px;
    background: var(--dropdown-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--dropdown-shadow);
    border: 1px solid #e2e8f0;
    padding: .4rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    z-index: 9999;
    pointer-events: none;
}

.nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: all;
}

.nav-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: .55rem;
    padding: .5rem 1rem;
    font-size: .82rem;
    color: var(--nav-text);
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
}

.nav-dropdown-menu a i {
    font-size: .85rem;
    color: var(--nav-muted);
    width: 15px;
    text-align: center;
}

.nav-dropdown-menu a:hover { background: var(--nav-hover-bg); color: var(--nav-active); }
.nav-dropdown-menu a:hover i { color: var(--nav-active); }

.dropdown-divider { height: 1px; background: #e2e8f0; margin: .3rem 0; }

/* ── Hamburger ─────────────────────────────────────────── */
.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--radius);
    padding: 6px;
    margin-left: auto;
    flex-shrink: 0;
    transition: background var(--transition);
}

.nav-hamburger:hover { background: var(--nav-hover-bg); }

.nav-hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--nav-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition), width var(--transition);
    transform-origin: center;
}

.nav-hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.is-open span:nth-child(2) { opacity: 0; width: 0; }
.nav-hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Overlay ───────────────────────────────────────────── */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--overlay-bg);
    z-index: 9970;
    opacity: 0;
    transition: opacity var(--transition);
}

.nav-overlay.visible { display: block; opacity: 1; }

/* ── Drawer close header (hidden on desktop) ───────────── */
.nav-drawer-close { display: none; }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE ≤ 992px — Hamburger + Left Drawer
══════════════════════════════════════════════════════════ */
@media (max-width: 992px) {

    .nav-hamburger { display: flex; }

    /* ── Left Drawer ─────────────────────────────────── */
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: var(--drawer-width);
        background: var(--nav-bg);
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-y: auto;
        overflow-x: hidden;
        z-index: 9995;
        box-shadow: 4px 0 20px rgba(0,0,0,.15);
        padding: 0 0 2rem;
        height: 100%;

        /* Slide out left */
        transform: translateX(-100%);
        transition: transform var(--transition);
    }

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

    /* Purple header inside drawer */
    .nav-menu::before {
        content: '';
        display: block;
        height: var(--nav-height);
        min-height: var(--nav-height);
        background: linear-gradient(135deg, #4f46e5, #7c3aed);
        flex-shrink: 0;
    }

    /* Close button row inside drawer */
    .nav-drawer-close {
        display: flex;
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: var(--nav-height);
        align-items: center;
        justify-content: space-between;
        padding: 0 1rem;
        color: white;
        font-weight: 700;
        font-size: .88rem;
        pointer-events: none;
        z-index: 2;
    }

    .nav-drawer-close-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        border: none;
        background: rgba(255,255,255,.2);
        color: white;
        border-radius: 50%;
        cursor: pointer;
        font-size: 1rem;
        pointer-events: all;
        transition: background var(--transition);
    }

    .nav-drawer-close-btn:hover { background: rgba(255,255,255,.35); }

    /* Links in drawer */
    .nav-menu > li { width: 100%; pointer-events: all; }

    .nav-menu > li > a,
    .nav-dropdown-toggle {
        padding: .7rem 1.1rem;
        border-radius: 0;
        font-size: .88rem;
        border-bottom: 1px solid #f1f5f9;
        width: 100%;
        justify-content: flex-start;
        white-space: normal;
        background: none !important;
        color: var(--nav-text) !important;
        border-top: none;
    }

    .nav-menu > li > a i,
    .nav-dropdown-toggle i {
        font-size: .95rem;
        width: 18px;
        text-align: center;
        color: var(--nav-muted) !important;
    }

    .nav-menu > li > a.active {
        border-left: 3px solid var(--nav-active);
        padding-left: calc(1.1rem - 3px);
        color: var(--nav-active) !important;
        background: var(--nav-active-bg) !important;
    }

    .nav-menu > li > a.active::after { display: none; }
    .nav-menu > li > a.active i { color: var(--nav-active) !important; }

    /* Dropdown accordion in drawer */
    .nav-dropdown { position: static; display: block !important; }

    .nav-dropdown.open { display: block !important; }

    .nav-dropdown-toggle {
        border-radius: 0 !important;
        padding: .7rem 1.1rem !important;
    }

    .nav-dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: #f8fafc;
        padding: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease;
        pointer-events: all;
        z-index: auto;
    }

    .nav-dropdown.open .nav-dropdown-menu { max-height: 600px; pointer-events: all; }

    .nav-dropdown-menu a {
        padding: .6rem 1.1rem .6rem 2.4rem;
        border-bottom: 1px solid #e2e8f0;
        font-size: .84rem;
        white-space: normal;
    }

    .dropdown-divider { margin: 0; }

    /* Mobile call button */
    .nav-mobile-call { display: block !important; }

    /* Scrollbar */
    .nav-menu::-webkit-scrollbar { width: 3px; }
    .nav-menu::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
}

@media (max-width: 480px) {
    .nav-container { padding: 0 .85rem; }
    .logo-text { font-size: .82rem; max-width: 100%; }
}