/* ══════════════════════════════════════════════════════════════════════════
   Parker Physics — Shared Navigation Styles
   ══════════════════════════════════════════════════════════════════════════ */

nav {
    position: sticky; top: 0; z-index: 600;
    height: 50px; min-height: 50px;
    background: rgba(4,2,16,.93); backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,.07);
    display: flex; align-items: center; padding: 0 16px; gap: 6px;
}
.nav-brand {
    display: flex; align-items: center; gap: 8px;
    font-size: .95rem; font-weight: 700; text-decoration: none; white-space: nowrap;
    background: linear-gradient(45deg, #ffd700, #ff8c00);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    margin-right: 2px;
}
.nav-logo-img { height: 30px; width: auto; border-radius: 50%; flex-shrink: 0; }
.nav-menu { display: flex; align-items: center; gap: 4px; flex: 1; min-width: 0; }
.nav-item {
    padding: 5px 10px; background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.12); border-radius: 5px;
    color: #ccc; text-decoration: none; font-size: .8rem; white-space: nowrap;
    transition: background .2s, border-color .2s; flex-shrink: 0;
    font-family: inherit; cursor: pointer; line-height: 1.3;
}
.nav-item:hover { background: rgba(255,255,255,.16); border-color: rgba(255,200,0,.4); color: #fff; }
.nav-item.active { background: linear-gradient(45deg, #ff8c00, #ffd700); border-color: #ff8c00; color: #000; font-weight: 600; }
.nav-spacer { flex: 1; }
.nav-auth-sep { width: 1px; height: 22px; background: rgba(255,255,255,.15); margin: 0 3px; flex-shrink: 0; }

/* Auth buttons */
.nav-login { background: transparent !important; border-color: rgba(255,255,255,.22) !important; color: #bbb !important; }
.nav-login:hover { background: rgba(255,255,255,.1) !important; color: #fff !important; }
.nav-signup { background: linear-gradient(45deg, #ff8c00, #ffd700) !important; border-color: #ff8c00 !important; color: #000 !important; font-weight: 700 !important; }
.nav-signup:hover { filter: brightness(1.12) !important; }
.nav-dash { background: rgba(0,200,200,.1) !important; border-color: rgba(0,200,200,.25) !important; color: #0cc !important; }
.nav-dash:hover { background: rgba(0,200,200,.2) !important; }
.nav-signout { background: transparent !important; border-color: rgba(255,80,80,.15) !important; color: #977 !important; }
.nav-signout:hover { background: rgba(255,80,80,.1) !important; color: #f88 !important; }

/* PRO badge */
.nav-badge-pro {
    display: inline-block; padding: 1px 5px; border-radius: 3px;
    font-size: .55rem; font-weight: 700; letter-spacing: .06em;
    background: rgba(255,180,0,.12); color: #ffa500; border: 1px solid rgba(255,180,0,.25);
    margin-left: 3px; vertical-align: middle; line-height: 1.4;
}

/* ── Dropdown menus ──────────────────────────────────────────────────────── */
.nav-drop { position: relative; flex-shrink: 0; }
.nav-drop-btn {
    padding: 5px 10px; background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.12); border-radius: 5px;
    color: #ccc; font-size: .8rem; cursor: pointer; font-family: inherit;
    transition: background .2s, border-color .2s; white-space: nowrap;
}
.nav-drop-btn:hover { background: rgba(255,255,255,.16); color: #fff; }
.nav-drop-btn.active { background: linear-gradient(45deg, #ff8c00, #ffd700); border-color: #ff8c00; color: #000; font-weight: 600; }

/* Dropdown panel */
.nav-drop-menu {
    display: block; position: absolute; top: calc(100% + 5px); left: 0;
    background: rgba(5,2,18,.97); backdrop-filter: blur(18px);
    border: 1px solid rgba(255,255,255,.11); border-radius: 9px;
    padding: 6px 0 8px; min-width: 268px; z-index: 800;
    box-shadow: 0 14px 44px rgba(0,0,0,.80);
    opacity: 0; visibility: hidden; pointer-events: none;
    transform: translateY(-4px);
    transition: opacity .18s ease, visibility .18s ease, transform .18s ease;
}
/* Show on hover OR .open class (for mobile click) */
.nav-drop:hover .nav-drop-menu,
.nav-drop.open .nav-drop-menu {
    opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0);
}

/* Dropdown items */
.nav-drop-link {
    display: flex; align-items: center; gap: 11px;
    padding: 7px 16px; text-decoration: none; transition: background .15s;
}
.nav-drop-link:hover { background: rgba(255,255,255,.07); }
.nav-drop-link.active .ndl-title { color: #ffd700 !important; font-weight: 600; }
.ndl-icon { font-size: 1.05rem; width: 20px; text-align: center; flex-shrink: 0; opacity: .72; }
.ndl-body { display: flex; flex-direction: column; gap: 1px; }
.ndl-title { color: #c8c8c8; font-size: .82rem; font-weight: 500; line-height: 1.25; }
.ndl-sub { color: #484e60; font-size: .70rem; line-height: 1.2; }
.nav-drop-link:hover .ndl-title { color: #fff; }
.nav-drop-link:hover .ndl-sub { color: #7a8090; }

/* ── Burger (mobile) ─────────────────────────────────────────────────────── */
.nav-burger {
    display: none; margin-left: auto;
    background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
    border-radius: 5px; color: #fff; padding: 5px 10px; font-size: 1.1rem;
    cursor: pointer; line-height: 1; transition: background .2s;
}
.nav-burger:hover { background: rgba(255,255,255,.18); }

@media (max-width: 1024px) {
    .nav-burger { display: block; }
    .nav-spacer, .nav-auth-sep { display: none; }
    .nav-menu {
        display: none; flex-direction: column; align-items: stretch;
        position: absolute; top: 50px; left: 0; right: 0;
        background: rgba(3,1,14,.98); backdrop-filter: blur(18px);
        border-bottom: 1px solid rgba(255,255,255,.1);
        padding: 8px 12px 14px; gap: 3px; z-index: 700;
        max-height: calc(100vh - 50px); overflow-y: auto;
    }
    .nav-menu.open { display: flex; }
    .nav-item { padding: 11px 14px; font-size: .9rem; }
    .nav-drop-btn { padding: 11px 14px; font-size: .9rem; width: 100%; text-align: left; }
    /* Mobile: dropdowns expand inline instead of floating */
    .nav-drop-menu {
        position: static; opacity: 1; visibility: visible; pointer-events: auto;
        transform: none; display: none; box-shadow: none;
        border: none; border-radius: 0; padding: 0 0 4px 12px;
        background: transparent; backdrop-filter: none; min-width: 0;
    }
    .nav-drop.open .nav-drop-menu { display: block; }
    .nav-drop:hover .nav-drop-menu { display: none; }  /* disable hover on mobile */
    .nav-drop.open:hover .nav-drop-menu { display: block; }
    .nav-drop-link { padding: 8px 12px; }
    .ndl-icon { font-size: .9rem; }
}