/* ═══════════════════════════════════════════════
   TabHive — PWA UI
   Install prompts, offline page, sync indicator.
   Self-contained: works even when Bootstrap's CDN
   CSS hasn't been cached (i.e. on the offline page).
   ═══════════════════════════════════════════════ */

/* ── Minimal button fallback (offline page has no Bootstrap CSS) ── */
.offline-page .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.6rem;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: filter .15s ease, transform .1s ease;
}
.offline-page .btn:active { transform: scale(0.98); }
.offline-page .btn-primary {
    background: var(--gcms-primary);
    color: #fff;
    padding: 0.7rem 1.5rem;
    font-size: 1rem;
}
.offline-page .btn-primary:hover { filter: brightness(1.1); }
.offline-page .btn-link {
    background: none;
    color: var(--gcms-muted);
    padding: 0.5rem;
    font-size: 0.9rem;
}
.offline-page .btn-link:hover { color: var(--gcms-text); }
.offline-page .text-muted { color: var(--gcms-muted); }

/* ── Offline fallback page ──────────────────────── */
.offline-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background:
        radial-gradient(circle at 20% 15%, rgba(99, 102, 241, 0.15), transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(16, 185, 129, 0.10), transparent 45%),
        var(--gcms-bg);
}
.offline-card {
    max-width: 420px;
    width: 100%;
    text-align: center;
    background: var(--gcms-surface);
    border: 1px solid var(--gcms-border);
    border-radius: 1rem;
    padding: 2.5rem 2rem;
}
.offline-logo {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    margin-bottom: 1.25rem;
}
.offline-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 1.25rem;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.12);
    color: var(--gcms-danger);
    display: flex;
    align-items: center;
    justify-content: center;
}
.offline-card h1 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}
.offline-card p {
    font-size: 0.92rem;
    line-height: 1.55;
    margin-bottom: 1.5rem;
}

/* ── Sidebar "Install App" nav item ─────────────────────────── */
.pwa-install-nav-item {
    display: none; /* revealed by JS once install is possible */
}
.pwa-install-nav-item.is-visible { display: block; }

.pwa-install-nav-item .nav-link {
    position: relative;
    color: var(--gcms-primary) !important;
}
.pwa-install-nav-item .nav-link:hover {
    background: rgba(99, 102, 241, 0.12);
}
.pwa-install-nav-item .nav-link i {
    color: var(--gcms-primary);
}

.pwa-install-nav-badge {
    margin-left: auto;
    background: linear-gradient(135deg, var(--gcms-primary), #818cf8);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    line-height: 1.4;
    flex-shrink: 0;
}

/* Collapsed sidebar (icon-only) — hide the label/badge, keep the icon */
.gcms-sidebar.collapsed .pwa-install-nav-badge,
.gcms-sidebar.collapsed .pwa-install-nav-item .nav-link span:not(.pwa-install-nav-badge) {
    display: none;
}

/* ── Install modal (first-run + manual "Install App") ─────── */
.pwa-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.72);
    backdrop-filter: blur(3px);
    z-index: 2000;
    display: none;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
    opacity: 0;
    transition: opacity .2s ease;
}
.pwa-modal-backdrop.is-open { display: flex; opacity: 1; }

.pwa-modal {
    background: var(--gcms-surface);
    border: 1px solid var(--gcms-border);
    width: 100%;
    max-width: 440px;
    border-radius: 1.25rem 1.25rem 0 0;
    padding: 1.75rem 1.5rem calc(1.5rem + env(safe-area-inset-bottom, 0));
    transform: translateY(24px);
    transition: transform .25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 -8px 40px rgba(0,0,0,0.4);
}
.pwa-modal-backdrop.is-open .pwa-modal { transform: translateY(0); }

@media (min-width: 576px) {
    .pwa-modal-backdrop { align-items: center; padding: 1.5rem; }
    .pwa-modal { border-radius: 1.25rem; max-width: 400px; }
}

.pwa-modal-header {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 1.1rem;
}
.pwa-modal-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    flex-shrink: 0;
    object-fit: cover;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}
.pwa-modal-header h5 {
    margin: 0;
    font-weight: 700;
    font-size: 1.1rem;
}
.pwa-modal-header p {
    margin: 0.1rem 0 0;
    font-size: 0.82rem;
    color: var(--gcms-muted);
}
.pwa-modal-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--gcms-muted);
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.2rem;
}
.pwa-modal-close:hover { color: var(--gcms-text); }

.pwa-feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.4rem;
    display: grid;
    gap: 0.65rem;
}
.pwa-feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-size: 0.87rem;
    color: var(--gcms-text);
}
.pwa-feature-list i {
    color: var(--gcms-success);
    font-size: 1rem;
    margin-top: 0.1rem;
    flex-shrink: 0;
}

.pwa-modal-actions {
    display: flex;
    gap: 0.6rem;
}
.pwa-modal-actions .btn { flex: 1; }

.pwa-ios-steps {
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid var(--gcms-border);
    border-radius: 0.75rem;
    padding: 0.9rem 1rem;
    margin-bottom: 1.4rem;
}
.pwa-ios-steps ol {
    margin: 0;
    padding-left: 1.1rem;
    font-size: 0.85rem;
    color: var(--gcms-text);
}
.pwa-ios-steps li { margin-bottom: 0.4rem; }
.pwa-ios-steps li:last-child { margin-bottom: 0; }
.pwa-ios-steps .bi-box-arrow-up,
.pwa-ios-steps .bi-plus-square {
    color: var(--gcms-primary);
    margin: 0 0.15rem;
}

/* ── Toast (offline-save / sync notifications) ──────────────── */
.pwa-toast-stack {
    position: fixed;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2100;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: calc(100% - 2rem);
    max-width: 380px;
    pointer-events: none;
}
.pwa-toast {
    pointer-events: auto;
    background: var(--gcms-surface);
    border: 1px solid var(--gcms-border);
    border-left: 3px solid var(--gcms-primary);
    border-radius: 0.6rem;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.85rem;
    box-shadow: 0 6px 24px rgba(0,0,0,0.35);
    animation: pwaToastIn .25s ease;
}
.pwa-toast.pwa-toast-success { border-left-color: var(--gcms-success); }
.pwa-toast.pwa-toast-warning { border-left-color: var(--gcms-warning); }
.pwa-toast.pwa-toast-danger { border-left-color: var(--gcms-danger); }
.pwa-toast i { font-size: 1.05rem; flex-shrink: 0; }
.pwa-toast.pwa-toast-success i { color: var(--gcms-success); }
.pwa-toast.pwa-toast-warning i { color: var(--gcms-warning); }
.pwa-toast.pwa-toast-danger i { color: var(--gcms-danger); }
.pwa-toast-msg { flex: 1; line-height: 1.35; }

@keyframes pwaToastIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes pwaToastOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(8px); }
}
.pwa-toast.is-leaving { animation: pwaToastOut .2s ease forwards; }

/* ── Sync status pill (topbar) ──────────────────────────────── */
.pwa-sync-pill {
    display: none;
    align-items: center;
    gap: 0.4rem;
    background: rgba(245, 158, 11, 0.12);
    color: var(--gcms-warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 999px;
    padding: 0.3rem 0.7rem;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
}
.pwa-sync-pill.is-visible { display: inline-flex; }
.pwa-sync-pill.has-issues {
    background: rgba(239, 68, 68, 0.12);
    color: var(--gcms-danger);
    border-color: rgba(239, 68, 68, 0.3);
}
.pwa-sync-pill.has-issues .spinner-mini { display: none; }
.pwa-sync-warn-icon { display: none; }
.pwa-sync-pill.has-issues .pwa-sync-warn-icon { display: inline-block; }
.pwa-sync-pill .spinner-mini {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(245, 158, 11, 0.35);
    border-top-color: var(--gcms-warning);
    animation: pwaSpin .7s linear infinite;
}
@keyframes pwaSpin { to { transform: rotate(360deg); } }

/* ── Offline banner (shown app-wide while navigator is offline) ── */
.pwa-offline-banner {
    display: none;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    background: var(--gcms-warning);
    color: #1a1204;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.45rem 1rem;
    text-align: center;
}
.pwa-offline-banner.is-visible { display: flex; }