/* ============================================================
   PortalX — Global Navigation System
   Self-contained glass titlebar: brand · app switcher · actions
   Shared by BOTH the portal (main.php) and the Play module.
   Dark-first single theme (matches the Spotify-inspired canvas).
   ============================================================ */

:root {
    --app-nav-h: 56px;

    --nv-bar: rgba(22, 22, 27, 0.72);
    --nv-border: rgba(255, 255, 255, 0.1);
    --nv-text: #f5f5f7;
    --nv-text-dim: rgba(235, 235, 245, 0.62);
    --nv-track: rgba(255, 255, 255, 0.08);
    --nv-track-border: rgba(255, 255, 255, 0.12);
    --nv-hover: rgba(255, 255, 255, 0.12);
    --nv-accent: #ff2d55;
    --nv-accent-2: #ff6b9d;
    --nv-ink: #fff;
    --nv-pop: rgba(24, 24, 30, 0.92);
    --nv-pop-border: rgba(255, 255, 255, 0.12);
    --nv-danger: #ff453a;
    --nv-shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
}

.app-nav {
    position: sticky;
    top: 0;
    z-index: 100000;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 12px;
    min-height: var(--app-nav-h);
    padding: 8px 18px;
    background: var(--nv-bar);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--nv-border);
}

/* Left: brand ------------------------------------------------------- */
.nav-brand {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    text-decoration: none;
    min-width: 0;
}

.nav-brand img {
    display: block;
    width: 26px;
    height: 26px;
    border-radius: 7px;
}

.nav-wordmark {
    font-size: 1.02rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #ff2d55, #ff6b9d);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: #ff2d55;
    white-space: nowrap;
}

/* Center: iOS-style segmented app switcher -------------------------- */
.app-switcher {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 3px;
    border: 1px solid var(--nv-track-border);
    border-radius: 999px;
    background: var(--nv-track);
    max-width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
}

.app-switcher::-webkit-scrollbar { display: none; }

.app-tab {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--nv-text-dim);
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease, transform 0.12s ease;
}

.app-tab svg { width: 15px; height: 15px; flex-shrink: 0; }

.app-tab:hover { background: var(--nv-hover); color: var(--nv-text); }

.app-tab.active {
    background: linear-gradient(135deg, var(--nv-accent), var(--nv-accent-2));
    color: var(--nv-ink);
    box-shadow: 0 4px 14px rgba(255, 45, 85, 0.35);
}

.app-tab:active { transform: scale(0.96); }

/* Right: actions ---------------------------------------------------- */
.nav-actions {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    min-width: 0;
}

.btn-new {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 14px;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--nv-accent), var(--nv-accent-2));
    color: var(--nv-ink);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(255, 45, 85, 0.35);
    transition: transform 0.12s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.btn-new svg { width: 14px; height: 14px; flex-shrink: 0; }
.btn-new:hover { filter: brightness(1.08); box-shadow: 0 6px 18px rgba(255, 45, 85, 0.45); }
.btn-new:active { transform: scale(0.96); }

.badge-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid var(--nv-border);
    background: var(--nv-track);
    color: var(--nv-text-dim);
    text-decoration: none;
    transition: background 0.18s, color 0.18s;
}

.badge-chip svg { width: 15px; height: 15px; }
.badge-chip:hover { background: var(--nv-hover); color: var(--nv-text); }
.badge-chip.admin { color: var(--nv-danger); border-color: rgba(255, 69, 58, 0.4); }
.badge-chip.admin:hover { background: rgba(255, 69, 58, 0.12); color: var(--nv-danger); }

.icon-btn {
    position: relative;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid var(--nv-border);
    background: var(--nv-track);
    color: var(--nv-text-dim);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.18s, color 0.18s, transform 0.12s ease;
}

.icon-btn:hover { background: var(--nv-hover); color: var(--nv-text); }
.icon-btn:active { transform: scale(0.94); }
.icon-btn svg { width: 16px; height: 16px; }

/* User menu ---------------------------------------------------------- */
.user-menu {
    position: relative;
    display: flex;
    align-items: center;
}

.avatar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--nv-border);
    cursor: pointer;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--nv-track);
    overflow: hidden;
    transition: background 0.18s;
}

.avatar-btn:hover { background: var(--nv-hover); }
.avatar-btn svg { width: 16px; height: 16px; color: var(--nv-text-dim); }
.avatar-img { width: 34px; height: 34px; object-fit: cover; display: block; }

.avatar-initial {
    font-size: 13px;
    font-weight: 800;
    line-height: 1;
    padding: 0;
    background: linear-gradient(135deg, #ff2d55, #ff6b9d);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: #ff2d55;
}

.menu-pop {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 232px;
    padding: 6px;
    background: var(--nv-pop);
    -webkit-backdrop-filter: blur(30px) saturate(170%);
    backdrop-filter: blur(30px) saturate(170%);
    border: 1px solid var(--nv-pop-border);
    border-radius: 14px;
    box-shadow: var(--nv-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px) scale(0.98);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    z-index: 100001;
}

.user-menu.open .menu-pop {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.menu-head {
    padding: 10px 12px 8px;
    display: grid;
    gap: 2px;
}

.menu-head strong { font-size: 13.5px; color: var(--nv-text); }
.menu-head span { font-size: 11.5px; color: var(--nv-text-dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 9px;
    color: var(--nv-text);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.14s ease;
}

.menu-item svg { width: 15px; height: 15px; color: var(--nv-text-dim); flex-shrink: 0; }
.menu-item:hover { background: var(--nv-hover); }
.menu-item.danger { color: var(--nv-danger); }
.menu-item.danger svg { color: var(--nv-danger); }

/* Full-screen (locator/home) pages: float the nav over the map ---------- */
.locator-mode .app-nav {
    position: fixed;
    top: 16px;
    left: 24px;
    right: 24px;
    border-radius: 14px;
    border: 1px solid var(--nv-border);
    box-shadow: var(--nv-shadow);
}

/* Responsive -------------------------------------------------------------- */
@media (max-width: 900px) {
    .nav-wordmark { display: none; }
}

@media (max-width: 700px) {
    .app-nav { padding: 8px 10px; gap: 8px; }
    .app-tab { padding: 7px 10px; }
}

@media (max-width: 560px) {
    .app-tab span { display: none; }
    .app-tab { padding: 8px; }
    .btn-new span { display: none; }
    .btn-new { padding: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    .app-nav * { transition: none !important; }
}