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

:root {
  /* Tiptoi-Farbwelt: dunkler Grund, kräftiges Orange als Hauptakzent,
     Ravensburger-Blau als Sekundärfarbe */
  --bg:         #12181f;
  --bg-card:    #1c242e;
  --bg-input:   #242e3a;
  --border:     #2f3b48;
  --accent:     #f2841e;
  --accent-dk:  #cf6d0f;
  --accent-rgb: 242, 132, 30;
  --accent2:    #3b9eea;
  --accent2-rgb:59, 158, 234;
  --text:       #eef3f7;
  --text-muted: #8ea1b2;
  --ok:         #46c98f;
  --ok-rgb:     70, 201, 143;
  --err:        #ef5959;
  --err-rgb:    239, 89, 89;
  --warn:       #f2b705;
  --warn-rgb:   242, 183, 5;
  --radius:     16px;
  /* Markante tiptoi-Ecke, ausschließlich für Buttons und Textfelder:
     Buttons unten links eckig, Textfelder (gespiegelt) unten rechts eckig.
     Die sehr großen Werte clampen automatisch auf max. 50% der Elementgröße. */
  --radius-book:       200px 200px 200px 20px;
  --radius-book-input: 200px 200px 20px 200px;
  --shadow:     0 4px 20px rgba(0, 0, 0, 0.35);
}

html, body, #app {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ── Layout shell ─────────────────────────────────────────── */
.shell {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 480px;
  margin: 0 auto;
}

.page {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ── Top bar ──────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  padding: calc(env(safe-area-inset-top) + 1rem) 1rem 0;
  gap: 0.75rem;
}

.topbar__title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  flex: 1;
}

.topbar__logo {
  width: 28px;
  height: 28px;
}

/* ── Bottom nav ───────────────────────────────────────────── */
.bottom-nav {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  padding-bottom: env(safe-area-inset-bottom);
}

.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.75rem 0;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s;
}

.bottom-nav__item svg {
  width: 22px;
  height: 22px;
}

.bottom-nav__item.active {
  color: var(--accent);
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

/* ── Scanner ──────────────────────────────────────────────── */
.scanner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  width: 100%;
}

.scanner__video {
  width: 100%;
  border-radius: var(--radius);
  background: #000;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.scanner__viewfinder {
  position: relative;
  width: 100%;
}

.scanner__viewfinder::after {
  content: '';
  position: absolute;
  inset: 12px;
  border: 2px solid var(--accent2);
  border-radius: 10px;
  pointer-events: none;
  box-shadow: 0 0 0 9999px rgba(0,0,0,0.45);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.5rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-book);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  width: 100%;
}

.btn:active { transform: scale(0.97); }
.btn:hover  { background: var(--accent-dk); }

.btn--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.btn--ghost:hover { background: var(--bg-input); }

.btn--danger {
  background: var(--err);
}

/* Dezente Variante für große Flächen (z. B. "QR-Code scannen") – volles
   Orange wäre auf so einer großen Fläche zu dominant. */
.btn--outline {
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
  border: 1.5px solid rgba(var(--accent-rgb), 0.5);
}

.btn--outline:hover {
  background: rgba(var(--accent-rgb), 0.2);
}

/* ── Input ────────────────────────────────────────────────── */
.search-row {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.input {
  flex: 1;
  padding: 0.8rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-book-input);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s;
}

.input:focus { border-color: var(--accent); }
.input::placeholder { color: var(--text-muted); }

.search-row .btn { width: auto; padding: 0.8rem 1.2rem; }

/* ── Result card ──────────────────────────────────────────── */
.result-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.result-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.result-card__image {
  width: 140px;
  height: 147px;
  object-fit: contain;
  border-radius: var(--radius);
  background: var(--bg-input);
}

.result-card__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
}

/* ── Status messages ──────────────────────────────────────── */
.status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.status--ok    { color: var(--ok); font-weight: 600; }
.status--error { color: var(--err); }

/* ── Spinner ──────────────────────────────────────────────── */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Hint ─────────────────────────────────────────────────── */
.hint {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── Downloads list ───────────────────────────────────────── */
.downloads-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.download-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
}

.download-item__row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.download-item__icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
}

.download-item__name {
  flex: 1;
  min-width: 0;
  font-size: 0.9rem;
  font-weight: 500;
  word-break: break-all;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.download-item__size {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-muted);
}

.empty {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 0;
  font-size: 0.9rem;
}

.section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.download-item__cover {
  width: 48px;
  height: 50px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

/* ── Pen status bar ──────────────────────────────────────── */
.pen-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  min-height: 52px;
}

.pen-bar__left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.pen-bar__info {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.pen-bar__name {
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--ok);
}

.pen-bar__actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.pen-bar__action {
  width: auto;
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
  gap: 0.3rem;
}

.pen-bar__action--icon {
  padding: 0.35rem 0.55rem;
}

/* ── Badges ───────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.18rem 0.45rem;
  border-radius: 5px;
  font-size: 0.7rem;
  font-weight: 700;
  white-space: nowrap;
}

.badge--ok {
  background: rgba(var(--ok-rgb), 0.14);
  color: var(--ok);
}

.badge--warn {
  background: rgba(var(--warn-rgb), 0.16);
  color: var(--warn);
}

/* ── Per-book copy button ─────────────────────────────────── */
.book-status {
  margin-left: auto;
  flex-shrink: 0;
}

.copy-btn {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-book);
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
}

.copy-btn:hover {
  background: rgba(var(--accent-rgb), 0.25);
}

.copy-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.copy-btn--danger {
  background: rgba(var(--err-rgb), 0.12);
  color: var(--err);
  border-color: rgba(var(--err-rgb), 0.25);
}

.copy-btn--danger:hover {
  background: rgba(var(--err-rgb), 0.25);
}

.copy-btn--ghost {
  background: rgba(92, 115, 133, 0.08);
  color: var(--text-muted);
  border-color: rgba(92, 115, 133, 0.2);
}

.copy-btn--ghost:hover {
  background: rgba(92, 115, 133, 0.18);
}

/* ── Copy progress bar ────────────────────────────────────── */
.copy-progress {
  height: 4px;
  background: var(--bg-input);
  border-radius: 2px;
  overflow: hidden;
}

/* ── Dev Menu ────────────────────────────────────────────── */
.dev-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  padding-bottom: calc(env(safe-area-inset-bottom) + 1rem);
}

.dev-menu {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.dev-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dev-menu__title {
  font-size: 1rem;
  font-weight: 700;
}

.dev-menu__close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

.dev-menu__desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.dev-menu__active {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--ok);
  word-break: break-all;
}

.dev-menu__active code {
  font-family: monospace;
  font-size: 0.8rem;
  opacity: 0.85;
}

.dev-menu__active-dot {
  width: 8px;
  height: 8px;
  background: var(--ok);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.dev-menu__row {
  display: flex;
  gap: 0.5rem;
}

.dev-menu__row .input {
  flex: 1;
}

.dev-menu__actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.copy-progress__bar {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.15s ease;
}