/* pwa design system
   body.pwa = any standalone, body.pwa-m = mobile, body.pwa-d = desktop
   browser (no class) = no changes to existing site */

/* design tokens */
body.pwa {
    --p-accent: #6366f1;
    --p-accent2: #818cf8;
    --p-accent-bg: rgba(99, 102, 241, 0.1);
    --p-accent-glow: rgba(99, 102, 241, 0.2);
    --p-card: var(--bg-card, #fff);
    --p-bg: var(--bg-primary, #fafafa);
    --p-border: var(--border-color, #e5e7eb);
    --p-text: var(--text-primary, #111);
    --p-text2: var(--text-secondary, #666);
    --p-text3: var(--text-tertiary, #999);
    --p-r: 14px;
    --p-r-sm: 10px;
    --p-r-lg: 20px;
    --p-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --p-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --p-nav-h: 64px;
    --p-safe-b: env(safe-area-inset-bottom, 0px);
    --p-safe-t: env(safe-area-inset-top, 0px);
}

/* standalone detection via media query (fires before js, prevents flash) */

@media (display-mode: standalone) {
    /* hide normal site chrome immediately */
    .navbar { display: none !important; }
    .cursor-glow { display: none !important; }
    .aurora-bg { display: none !important; }

    /* hide landing page sections */
    .hero { display: none !important; }
    .faecher-section { display: none !important; }
    .features-section { display: none !important; }
    .cta-section { display: none !important; }
    /* hide footer */
    footer, .footer { display: none !important; }

    body {
        --nav-height: 0px !important;
        padding-bottom: 0 !important;
        overflow-x: hidden !important;
        overscroll-behavior: none !important;
    }
}

/* fallback via html class */
html.pwa-standalone .navbar,
html.pwa-standalone .cursor-glow,
html.pwa-standalone .aurora-bg,
html.pwa-standalone .hero,
html.pwa-standalone .faecher-section,
html.pwa-standalone .features-section,
html.pwa-standalone .cta-section {
    display: none !important;
}

/* also apply via js body class */
body.pwa .navbar { display: none !important; }
body.pwa .cursor-glow { display: none !important; }
body.pwa .aurora-bg { display: none !important; }
body.pwa { --nav-height: 0px !important; }

/* mobile pwa */
body.pwa-m {
    padding: 0 !important;
    padding-bottom: calc(var(--p-nav-h) + var(--p-safe-b) + 16px) !important;
    margin: 0;
    overscroll-behavior: none;
    overflow-x: hidden;
    max-width: 100vw;
    min-height: 100vh;
    min-height: 100dvh;
}


/* override page padding for mobile pwa */
body.pwa-m .dash-layout,
body.pwa-m .fr-layout,
body.pwa-m .pl,
body.pwa-m .ki-layout,
body.pwa-m .prem,
body.pwa-m .admin,
body.pwa-m .exam-layout,
body.pwa-m .abi-layout,
body.pwa-m .legal-content,
body.pwa-m .legal {
    padding: calc(var(--p-safe-t) + 20px) 16px calc(var(--p-nav-h) + var(--p-safe-b) + 24px) 16px !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
}


/* freunde page: full mobile optimization */
body.pwa-m .fr-layout {
    overflow-x: hidden !important;
    overflow-y: auto !important;
}
body.pwa-m .fr-tabs {
    overflow-x: auto !important;
    scrollbar-width: none;
    flex-wrap: nowrap !important;
    -webkit-overflow-scrolling: touch;
}
body.pwa-m .fr-tabs::-webkit-scrollbar { display: none; }
body.pwa-m .fr-tab { flex-shrink: 0; white-space: nowrap; font-size: 0.78rem; padding: 8px 14px; }
body.pwa-m .fr-item { flex-wrap: wrap; }
body.pwa-m .fr-actions { width: 100%; justify-content: flex-end; margin-top: 4px; }
body.pwa-m .fr-add { flex-direction: column; }
body.pwa-m .fr-add button { width: 100%; }
body.pwa-m .fr-card {
    overflow-y: auto !important;
    max-height: none !important;
    scrollbar-width: none;
}
body.pwa-m .fr-card::-webkit-scrollbar { display: none; }
body.pwa-m .fr-panel {
    overflow-y: auto !important;
    max-height: calc(100vh - var(--p-nav-h) - var(--p-safe-b) - 200px) !important;
    scrollbar-width: none;
}
body.pwa-m .fr-panel::-webkit-scrollbar { display: none; }
body.pwa-m .chat-wrap {
    height: calc(100vh - var(--p-nav-h) - var(--p-safe-b) - 220px) !important;
    max-height: calc(100vh - var(--p-nav-h) - var(--p-safe-b) - 220px) !important;
}

/* desktop pwa */
body.pwa-d {
    padding: 0 !important;
    padding-left: var(--p-sidebar-w, 240px) !important;
    transition: padding-left 0.3s var(--p-ease);
}

body.pwa-d.pwa-sb-mini {
    --p-sidebar-w: 68px;
    padding-left: 68px !important;
}

/* override page padding for desktop pwa */
body.pwa-d .dash-layout,
body.pwa-d .fr-layout,
body.pwa-d .pl,
body.pwa-d .ki-layout,
body.pwa-d .prem,
body.pwa-d .admin,
body.pwa-d .exam-layout,
body.pwa-d .legal-content {
    padding: 32px 40px 60px 40px !important;
    max-width: 1000px !important;
}

/* mobile pwa home screen */

/* hide landing page content in pwa */
body.pwa .hero,
body.pwa .faecher-section,
body.pwa .features-section,
body.pwa .cta-section { display: none !important; }

/* hide remaining sections when .pwah exists */
body.pwa .pwah ~ section,
body.pwa .pwah ~ .section { display: none !important; }

.pwah {
    display: none;
    min-height: 100vh;
    background: var(--p-bg);
}

body.pwa .pwah { display: block; }

/* header */
.pwah-head {
    padding: calc(var(--p-safe-t) + 16px) 20px 0;
    display: flex;
    align-items: center;
    gap: 14px;
}

.pwah-av {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--p-accent), var(--p-accent2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    font-weight: 800;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 4px 14px var(--p-accent-glow);
}

.pwah-av img { width: 100%; height: 100%; object-fit: cover; }

.pwah-hi {
    flex: 1;
    min-width: 0;
}

.pwah-name {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--p-text);
    line-height: 1.2;
}

.pwah-sub {
    font-size: 0.78rem;
    color: var(--p-text3);
    margin-top: 2px;
}

.pwah-btns {
    display: flex;
    gap: 8px;
}

.pwah-ibtn {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--p-card);
    border: 1px solid var(--p-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--p-text2);
    transition: all 0.2s;
    position: relative;
}

.pwah-ibtn:active { transform: scale(0.92); }
.pwah-ibtn svg { width: 18px; height: 18px; }

/* streak + xp row */
.pwah-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 16px 20px 0;
}

.pwah-streak, .pwah-xp {
    padding: 14px 16px;
    border-radius: var(--p-r);
    border: 1px solid var(--p-border);
    background: var(--p-card);
}

.pwah-streak {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-color: #fcd34d;
}
[data-theme="dark"] .pwah-streak {
    background: linear-gradient(135deg, #78350f44, #92400e33);
    border-color: #78350f;
}

.pwah-streak-top {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pwah-fire { font-size: 1.4rem; }

.pwah-streak-n {
    font-size: 1.3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pwah-streak-l { font-size: 0.65rem; color: var(--p-text3); font-weight: 600; }
.pwah-streak-b { font-size: 0.6rem; color: var(--p-text3); margin-top: 4px; }

.pwah-xp-lv {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--p-accent);
    margin-bottom: 6px;
}

.pwah-xp-bar {
    height: 6px;
    background: var(--p-accent-bg);
    border-radius: 99px;
    overflow: hidden;
    margin-bottom: 4px;
}

.pwah-xp-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--p-accent), var(--p-accent2));
    border-radius: 99px;
    transition: width 1s var(--p-ease);
}

.pwah-xp-t { font-size: 0.6rem; color: var(--p-text3); font-weight: 600; }

/* continue learning cta */
.pwah-cta {
    margin: 16px 20px 0;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    border-radius: var(--p-r);
    background: linear-gradient(135deg, var(--p-accent), #4f46e5);
    color: white;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 6px 20px var(--p-accent-glow);
    transition: all 0.2s;
}

.pwah-cta:active { transform: scale(0.97); }
.pwah-cta svg { width: 22px; height: 22px; flex-shrink: 0; }

.pwah-cta-info { flex: 1; min-width: 0; }
.pwah-cta-label { font-size: 0.65rem; opacity: 0.75; }
.pwah-cta-topic {
    font-size: 0.88rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* daily challenge */
.pwah-challenge {
    margin: 14px 20px 0;
    padding: 14px 16px;
    border-radius: var(--p-r);
    background: var(--p-card);
    border: 1px solid var(--p-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pwah-challenge-ico { font-size: 1.2rem; }
.pwah-challenge-info { flex: 1; }
.pwah-challenge-t { font-size: 0.82rem; font-weight: 700; color: var(--p-text); }
.pwah-challenge-p { font-size: 0.68rem; color: var(--p-text3); }

.pwah-dots { display: flex; gap: 6px; }
.pwah-dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--p-accent-bg); border: 1.5px solid var(--p-border);
    transition: all 0.3s var(--p-spring);
}
.pwah-dot.ok {
    background: #10b981; border-color: #10b981;
    box-shadow: 0 0 8px rgba(16,185,129,0.35);
}

/* section title */
.pwah-sec {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--p-text3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 20px 20px 8px;
}

/* faecher horizontal scroll */
/* fach grid: 2 columns */
.pwah-fach-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 0 20px 4px;
}

.pwah-fach {
    padding: 14px;
    border-radius: var(--p-r);
    background: var(--p-card);
    border: 1px solid var(--p-border);
    text-decoration: none;
    color: var(--p-text);
}
.pwah-fach:active { transform: scale(0.97); }

.pwah-fach-e { font-size: 1.6rem; margin-bottom: 8px; }
.pwah-fach-n { font-size: 0.82rem; font-weight: 700; margin-bottom: 8px; }

.pwah-fach-bar {
    height: 4px; background: var(--p-accent-bg); border-radius: 99px;
    overflow: hidden; margin-bottom: 4px;
}
.pwah-fach-fill { height: 100%; border-radius: 99px; transition: width 0.8s var(--p-ease); }
.pwah-fach-pct { font-size: 0.6rem; color: var(--p-text3); font-weight: 600; }

/* stats grid */
.pwah-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 0 20px;
}

.pwah-stat {
    padding: 12px 8px;
    border-radius: var(--p-r-sm);
    background: var(--p-card);
    border: 1px solid var(--p-border);
    text-align: center;
}

.pwah-stat-v {
    font-size: 1.2rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--p-accent), var(--p-accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pwah-stat-l {
    font-size: 0.55rem;
    color: var(--p-text3);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-top: 2px;
}

/* badge cards */
.pwah-badge-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
    padding: 0 20px;
}

.pwah-badge-card {
    padding: 12px 8px;
    border-radius: var(--p-r-sm);
    background: var(--p-card);
    border: 1px solid var(--p-border);
    text-align: center;
}

.pwah-badge-ico { font-size: 1.4rem; margin-bottom: 4px; }
.pwah-badge-name { font-size: 0.6rem; font-weight: 700; color: var(--p-text2); line-height: 1.2; }

/* ki feature grid */
.pwah-ki-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 0 20px;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.pwah-ki-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 8px;
    border-radius: var(--p-r-sm);
    background: var(--p-card);
    border: 1px solid var(--p-border);
    text-decoration: none;
    color: var(--p-text);
    font-size: 0.78rem;
    font-weight: 700;
}
.pwah-ki-card span:first-child { font-size: 1.4rem; }
.pwah-ki-card:active { transform: scale(0.97); }

/* premium cta */
.pwah-prem-cta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 20px;
    padding: 14px 18px;
    border-radius: var(--p-r);
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border: 1px solid #fcd34d;
    text-decoration: none;
    color: #92400e;
    font-weight: 700;
    font-size: 0.85rem;
}
[data-theme="dark"] .pwah-prem-cta {
    background: linear-gradient(135deg, #78350f44, #92400e33);
    border-color: #78350f;
    color: #fbbf24;
}
.pwah-prem-cta svg { margin-left: auto; }

/* notification bell dot */
.pwah-bell-dot {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
    background: #ef4444;
    border-radius: 50%;
    border: 2px solid var(--p-card);
}

/* hide footer in pwa */
@media (display-mode: standalone) {
    footer, .footer { display: none !important; }
}
body.pwa footer, body.pwa .footer { display: none !important; }

/* mobile pwa bottom nav */

.pwa-nav {
    display: none;
    position: fixed;
    bottom: calc(var(--p-safe-b) + 24px);
    left: 10px;
    right: 10px;
    height: var(--p-nav-h);
    background: var(--p-card);
    border: 1px solid var(--p-border);
    border-radius: 18px;
    z-index: 9995;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -2px 20px rgba(0,0,0,0.08), 0 4px 24px rgba(0,0,0,0.1);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    /* prevent iOS scroll bounce moving the nav */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

[data-theme="dark"] .pwa-nav {
    background: rgba(24, 24, 27, 0.95);
    box-shadow: 0 -2px 20px rgba(0,0,0,0.25), 0 4px 24px rgba(0,0,0,0.3);
}

body.pwa-m .pwa-nav { display: flex; }

/* nav items */
.pwa-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    color: var(--p-text3);
    text-decoration: none;
    font-size: 0.58rem;
    font-weight: 700;
    padding: 8px 14px;
    border-radius: 12px;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    /* no transition here to prevent jitter */
}

.pwa-nav a.on {
    color: var(--p-accent);
    background: var(--p-accent-bg);
}

.pwa-nav a svg { width: 22px; height: 22px; }

.pwa-nav a .nb {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 14px;
    height: 14px;
    background: #ef4444;
    color: white;
    font-size: 0.5rem;
    font-weight: 800;
    border-radius: 99px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
}

.pwa-nav .nav-lock {
    position: absolute;
    top: 4px;
    right: 6px;
    font-size: 0.45rem;
}

/* mobile pwa bibliothek */

/* hide desktop sidebar */
body.pwa-m .bib-sidebar,
body.pwa-m .bib-sidebar-toggle,
body.pwa-m .bib-expand-btn { display: none !important; }

body.pwa-m .bib-layout {
    display: block !important;
    padding-top: calc(var(--p-safe-t) + 8px) !important;
    background: var(--bg-primary, #fafafa) !important;
    min-height: 100vh !important;
}
[data-theme="dark"] body.pwa-m .bib-layout {
    background: var(--bg-primary, #09090b) !important;
}

body.pwa-m .bib-main {
    margin-left: 0 !important;
    padding: 16px !important;
    min-height: 50vh !important;
}

body.pwa-m .bib-content {
    padding: 0 !important;
}

/* when topic is loaded in iframe, remove padding */
body.pwa-m .bib-content:has(iframe) {
    padding: 0 !important;
}
body.pwa-m .bib-main:has(iframe) {
    padding: 0 !important;
}

/* ensure pages have proper background in PWA */
@media (display-mode: standalone) {
    body { background: var(--bg-primary, #fafafa) !important; }
}
[data-theme="dark"] body.pwa { background: var(--bg-primary, #09090b) !important; }

/* only hide bib content when PWA topic list is actively shown (JS adds pwa-bib-hidden) */
body.pwa-m .bib-layout.pwa-bib-hidden { display: none !important; }

/* fach tabs */
.pwa-tabs {
    display: none;
    overflow-x: auto;
    padding: calc(var(--p-safe-t) + 12px) 14px 10px;
    gap: 6px;
    background: var(--p-card);
    border-bottom: 1px solid var(--p-border);
    position: sticky;
    top: 0;
    z-index: 50;
    scrollbar-width: none;
}
.pwa-tabs::-webkit-scrollbar { display: none; }
body.pwa-m .pwa-tabs { display: flex; }

.pwa-tab {
    flex: 0 0 auto;
    padding: 7px 14px;
    border-radius: 99px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--p-text2);
    background: var(--p-accent-bg);
    border: none;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.pwa-tab.on {
    background: var(--p-accent);
    color: white;
    box-shadow: 0 2px 8px var(--p-accent-glow);
}

/* topic list */
.pwa-topics {
    display: none;
    flex-direction: column;
    padding: 8px 14px calc(var(--p-nav-h) + var(--p-safe-b) + 24px);
    gap: 6px;
    overflow-x: hidden;
}
body.pwa-m .pwa-topics { display: flex; }


.pwa-topic {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    border-radius: var(--p-r-sm);
    background: var(--p-card);
    border: 1px solid var(--p-border);
    text-decoration: none;
    color: var(--p-text);
    transition: all 0.15s;
}

.pwa-topic:active {
    transform: scale(0.98);
    background: var(--p-accent-bg);
}

.pwa-topic.done { border-left: 3px solid #10b981; }

.pwa-topic-d {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--p-border); flex-shrink: 0;
}
.pwa-topic.done .pwa-topic-d {
    background: #10b981;
    box-shadow: 0 0 6px rgba(16,185,129,0.4);
}

.pwa-topic-t {
    flex: 1; font-size: 0.82rem; font-weight: 600; line-height: 1.3;
    min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.pwa-topic-a { color: var(--p-text3); flex-shrink: 0; }
.pwa-topic-a svg { width: 14px; height: 14px; }

/* category group header */
.pwa-cat-h {
    padding: 12px 14px 4px;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--p-text3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* progress header per fach */
.pwa-fach-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 14px 8px;
}

.pwa-ring { width: 40px; height: 40px; flex-shrink: 0; }
.pwa-ring circle { fill: none; stroke-width: 3; }
.pwa-ring .bg { stroke: var(--p-accent-bg); }
.pwa-ring .fg {
    stroke-linecap: round;
    transition: stroke-dashoffset 0.8s var(--p-ease);
    transform: rotate(-90deg); transform-origin: center;
}

.pwa-fach-head-n { font-size: 0.9rem; font-weight: 700; }
.pwa-fach-head-c { font-size: 0.68rem; color: var(--p-text3); }

/* mobile pwa content view */

body.pwa-m .bib-content iframe {
    border: none !important;
    border-radius: 0 !important;
}

/* reading progress */
.pwa-read {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 3px;
    z-index: 100;
}
body.pwa-m .pwa-read { display: block; }

.pwa-read-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--p-accent), var(--p-accent2));
    width: 0;
    transition: width 0.15s linear;
}

/* desktop pwa sidebar */

.pwa-sb {
    display: none;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 240px;
    background: var(--p-card);
    border-right: 1px solid var(--p-border);
    z-index: 9990;
    flex-direction: column;
    overflow: hidden;
    transition: width 0.3s var(--p-ease);
}

body.pwa-d .pwa-sb { display: flex; }

body.pwa-d.pwa-sb-mini .pwa-sb { width: 68px; }

/* logo */
.pwa-sb-logo {
    padding: 18px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--p-border);
    min-height: 58px;
}

.pwa-sb-logo-i {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, var(--p-accent), #4f46e5);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: white; font-weight: 900; font-size: 0.8rem;
    flex-shrink: 0;
}

.pwa-sb-logo-t {
    font-weight: 900; font-size: 1rem; color: var(--p-text);
    overflow: hidden; white-space: nowrap;
    transition: opacity 0.2s, width 0.3s;
}

.pwa-sb-logo-t span { color: var(--p-accent); }
.pwa-sb-mini .pwa-sb-logo-t { opacity: 0; width: 0; }

/* nav section */
.pwa-sb-nav { flex: 1; overflow-y: auto; padding: 10px 8px; }

.pwa-sb-sec-t {
    font-size: 0.58rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.08em; color: var(--p-text3);
    padding: 8px 10px 4px; overflow: hidden; white-space: nowrap;
}
.pwa-sb-mini .pwa-sb-sec-t { opacity: 0; height: 0; padding: 0; }

.pwa-sb-link {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 10px; border-radius: 8px;
    color: var(--p-text2); text-decoration: none;
    font-size: 0.82rem; font-weight: 600;
    transition: all 0.15s; white-space: nowrap; overflow: hidden;
    cursor: pointer; margin-bottom: 2px;
}

.pwa-sb-link:hover { background: var(--p-accent-bg); color: var(--p-text); }
.pwa-sb-link.on { background: var(--p-accent-bg); color: var(--p-accent); }
.pwa-sb-link svg { width: 18px; height: 18px; flex-shrink: 0; }

.pwa-sb-link .lb {
    overflow: hidden; white-space: nowrap;
    transition: opacity 0.2s;
}
.pwa-sb-mini .pwa-sb-link .lb { opacity: 0; }

.pwa-sb-link .kbd {
    display: inline; font-size: 0.55rem; color: var(--p-text3);
    background: var(--p-accent-bg); padding: 1px 5px; border-radius: 4px;
    font-family: monospace; margin-left: auto;
}
.pwa-sb-mini .pwa-sb-link .kbd { display: none; }

/* fach dots */
.pwa-sb-fach {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 10px; border-radius: 6px;
    color: var(--p-text2); text-decoration: none;
    font-size: 0.75rem; font-weight: 600;
    transition: all 0.15s; white-space: nowrap; overflow: hidden;
}
.pwa-sb-fach:hover { background: var(--p-accent-bg); color: var(--p-text); }

.pwa-sb-fach-d {
    width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}

.pwa-sb-fach .fl { transition: opacity 0.2s; }
.pwa-sb-mini .pwa-sb-fach .fl { opacity: 0; }

/* user info at bottom */
.pwa-sb-user {
    padding: 12px 14px;
    border-top: 1px solid var(--p-border);
    display: flex; align-items: center; gap: 10px; overflow: hidden;
}

.pwa-sb-user-av {
    width: 32px; height: 32px; border-radius: 50%;
    background: linear-gradient(135deg, var(--p-accent), var(--p-accent2));
    display: flex; align-items: center; justify-content: center;
    color: white; font-weight: 700; font-size: 0.8rem;
    flex-shrink: 0; overflow: hidden;
}
.pwa-sb-user-av img { width: 100%; height: 100%; object-fit: cover; }

.pwa-sb-user-info { overflow: hidden; transition: opacity 0.2s; }
.pwa-sb-mini .pwa-sb-user-info { opacity: 0; width: 0; }

.pwa-sb-user-n {
    font-size: 0.75rem; font-weight: 700; color: var(--p-text);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.pwa-sb-user-lv { font-size: 0.6rem; color: var(--p-accent); font-weight: 600; }

/* collapse button */
.pwa-sb-col {
    padding: 10px;
    border-top: 1px solid var(--p-border);
    display: flex; justify-content: center;
}

.pwa-sb-col-btn {
    width: 32px; height: 32px; border-radius: 8px;
    background: var(--p-accent-bg); border: none;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--p-text2);
    transition: all 0.2s;
}
.pwa-sb-col-btn:hover { color: var(--p-accent); }
.pwa-sb-col-btn svg { transition: transform 0.3s; }
.pwa-sb-mini .pwa-sb-col-btn svg { transform: rotate(180deg); }

/* desktop pwa bibliothek sidebar fix */

/* bib-sidebar sits inside pwa-sidebar area */
body.pwa-d .bib-layout { padding-top: 0 !important; }

body.pwa-d .bib-sidebar {
    position: fixed !important;
    top: 0 !important;
    left: 240px !important;
    width: 280px !important;
    height: 100vh !important;
    padding-top: 12px !important;
    z-index: 100 !important;
}

body.pwa-d.pwa-sb-mini .bib-sidebar { left: 68px !important; }

body.pwa-d .bib-main {
    margin-left: 280px !important;
    padding-top: 16px !important;
}

/* transitions & effects */

/* no page transition, prevents jitter */

/* smooth scroll + tap removal */
body.pwa { scroll-behavior: smooth; -webkit-tap-highlight-color: transparent; }
body.pwa *, body.pwa *::before, body.pwa *::after { -webkit-tap-highlight-color: transparent; }

/* offline banner */

.pwa-offline {
    display: none;
    position: fixed;
    top: var(--p-safe-t);
    left: 0; right: 0;
    padding: 8px 16px;
    background: #ef4444;
    color: white;
    font-size: 0.72rem;
    font-weight: 700;
    text-align: center;
    z-index: 99999;
    animation: pwaIn 0.3s ease;
}
.pwa-offline.on { display: block; }

/* pull to refresh */

.pwa-ptr {
    position: fixed;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 38px; height: 38px;
    border-radius: 50%;
    background: var(--p-card);
    border: 1px solid var(--p-border);
    box-shadow: 0 4px 14px rgba(0,0,0,0.1);
    display: flex; align-items: center; justify-content: center;
    transition: top 0.3s ease;
    z-index: 9990;
}
.pwa-ptr.go { top: calc(var(--p-safe-t) + 12px); }
.pwa-ptr.spin { animation: pwaSpin 0.8s linear infinite; }
@keyframes pwaSpin { to { transform: translateX(-50%) rotate(360deg); } }
.pwa-ptr svg { color: var(--p-accent); width: 18px; height: 18px; }

/* swipe hints */

.pwa-swipe {
    position: fixed; top: 50%; transform: translateY(-50%);
    width: 4px; height: 50px; border-radius: 4px;
    background: var(--p-accent); opacity: 0;
    transition: opacity 0.2s; z-index: 9989; pointer-events: none;
}
.pwa-swipe.l { left: 0; border-radius: 0 4px 4px 0; }
.pwa-swipe.r { right: 0; border-radius: 4px 0 0 4px; }
.pwa-swipe.on { opacity: 0.4; }

/* skeleton loading */

.skel {
    background: var(--p-card);
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}
.skel::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
    animation: skelWave 1.5s ease-in-out infinite;
}
[data-theme="dark"] .skel::after {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
}
@keyframes skelWave { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }

/* legacy skeleton class compat */
.skeleton { background: var(--p-card); border-radius: 6px; position: relative; overflow: hidden; }
.skeleton::after { content:''; position:absolute; inset:0; background:linear-gradient(90deg,transparent,rgba(255,255,255,0.12),transparent); animation:skelWave 1.5s ease-in-out infinite; }
[data-theme="dark"] .skeleton::after { background:linear-gradient(90deg,transparent,rgba(255,255,255,0.05),transparent); }
.skeleton-text{height:14px;margin-bottom:8px;}.skeleton-text.short{width:60%;}.skeleton-text.medium{width:80%;}
.skeleton-title{height:22px;width:40%;margin-bottom:12px;}
.skeleton-avatar{width:48px;height:48px;border-radius:50%;}
.skeleton-card{padding:20px;border-radius:12px;margin-bottom:16px;}
.skeleton-bar{height:8px;border-radius:99px;margin-top:12px;}
.skeleton-stat{height:60px;border-radius:8px;}

/* chat widget + ko-fi position fix */

/* push chat widget above bottom nav */
body.pwa-m #chatWidget {
    bottom: calc(var(--p-nav-h) + var(--p-safe-b) + 36px) !important;
    right: 14px !important;
    z-index: 9994 !important;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

body.pwa-m .cw-panel {
    bottom: 64px !important;
    max-height: calc(100vh - var(--p-nav-h) - var(--p-safe-b) - 120px) !important;
}

/* ko-fi: show but push above nav */
body.pwa-m .floating-coffee {
    bottom: calc(var(--p-nav-h) + var(--p-safe-b) + 36px) !important;
    left: 14px !important;
    z-index: 9994 !important;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

/* responsive / misc */

/* no horizontal scroll */
html.pwa-standalone,
body.pwa-m {
    overflow-x: hidden !important;
    max-width: 100vw !important;
    width: 100vw !important;
}
body.pwa-m * {
    max-width: 100vw;
    box-sizing: border-box;
}

body.pwa-m .container { padding: 16px !important; max-width: 100% !important; box-sizing: border-box !important; }

body.pwa-d .container {
    max-width: 100% !important;
    padding-left: 32px !important;
    padding-right: 32px !important;
}

/* dashboard 2-col on mobile */
body.pwa-m .dash-top { grid-template-columns: 1fr 1fr !important; }

/* hide scrollbars in PWA */
body.pwa { scrollbar-width: thin; }
body.pwa::-webkit-scrollbar { width: 4px; }
body.pwa::-webkit-scrollbar-thumb { background: var(--p-text3); border-radius: 4px; }