/* ═══════════════════════════════════════════════════════════════════════
   Lesewerkstatt — Design System
   Swiss-inspired reading app for German comprehension.
   Premium, warm, mobile-first with dark mode support.
   ═══════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Literata:ital,opsz,wght@0,7..72,400;0,7..72,600;1,7..72,400&display=swap');

/* ── Tokens ─────────────────────────────────────────────────────────── */
:root {
  --paper: #FBFAF8;
  --surface: #FFFFFF;
  --ink: #1A1A1F;
  --ink-soft: #3A3A42;
  --slate: #6B7280;
  --hair: #E7E4DE;
  --hair-strong: #D8D3CB;
  --red: #D8232A;
  --red-wash: #FBE9EA;
  --red-glow: rgba(216, 35, 42, 0.12);
  --amber: #9A6B00;
  --ok: #1F7A4D;
  --ok-wash: #E8F5EE;
  --serif: 'Literata', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
  --sans: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'SFMono-Regular', Menlo, Consolas, monospace;
  --read-size: 1.18rem;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-sheet: 0 -10px 40px rgba(0,0,0,0.14);
  --transition-fast: 0.15s ease;
  --transition-med: 0.26s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ── Dark mode ──────────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121218;
    --surface: #1C1C24;
    --ink: #EAEAEF;
    --ink-soft: #B8B8C4;
    --slate: #8E8E9E;
    --hair: #2A2A34;
    --hair-strong: #3A3A46;
    --red: #E8444B;
    --red-wash: rgba(232, 68, 75, 0.35);
    --red-glow: rgba(232, 68, 75, 0.45);
    --ok: #34C77B;
    --ok-wash: rgba(52, 199, 123, 0.12);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.25);
    --shadow-sheet: 0 -10px 40px rgba(0,0,0,0.4);
  }
}

/* ── Reset & base ───────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100dvh;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ── Header / Top bar ───────────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(251, 250, 248, 0.92);
  backdrop-filter: saturate(1.2) blur(12px);
  -webkit-backdrop-filter: saturate(1.2) blur(12px);
  border-bottom: 1px solid var(--hair);
}

@media (prefers-color-scheme: dark) {
  header {
    background: rgba(18, 18, 24, 0.92);
  }
}

.bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.9rem 0.55rem;
}

.mark {
  width: 11px;
  height: 22px;
  background: var(--red);
  border-radius: 1px;
  flex: 0 0 auto;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand b {
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}

.brand span {
  font-size: 0.7rem;
  color: var(--slate);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.bar .spacer {
  flex: 1;
}

.iconbtn {
  border: 1px solid var(--hair-strong);
  background: var(--surface);
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  padding: 0.42rem 0.7rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: border-color var(--transition-fast), transform 0.1s;
}

.iconbtn:hover {
  border-color: var(--red);
}

.iconbtn:active {
  transform: translateY(1px);
}

.iconbtn .cnt {
  background: var(--red);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 0.66rem;
  min-width: 1.05rem;
  height: 1.05rem;
  display: inline-grid;
  place-items: center;
  padding: 0 0.25rem;
}

/* ── Tabs ────────────────────────────────────────────────────────────── */
nav.tabs {
  display: flex;
  gap: 0.2rem;
  padding: 0.2rem 0.9rem 0;
}

nav.tabs button {
  flex: 1;
  border: none;
  background: none;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.84rem;
  color: var(--slate);
  padding: 0.55rem 0.2rem 0.6rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

nav.tabs button[aria-selected="true"] {
  color: var(--ink);
  border-bottom-color: var(--red);
}

nav.tabs button:hover:not([aria-selected="true"]) {
  color: var(--ink-soft);
}

main {
  flex: 1;
  padding: 0 0.9rem 6rem;
}

/* ── Library cards ──────────────────────────────────────────────────── */
.lead {
  font-size: 0.82rem;
  color: var(--slate);
  line-height: 1.45;
  margin: 0.9rem 0.15rem 1rem;
}

.lead b {
  color: var(--ink-soft);
  font-weight: 600;
}

.cathead {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 1.3rem 0.15rem 0.6rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--hair);
}

.cathead:first-of-type {
  margin-top: 0.4rem;
}

.cathead span {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: #fff;
  background: var(--red);
  border-radius: var(--radius-full);
  min-width: 1.1rem;
  height: 1.1rem;
  display: inline-grid;
  place-items: center;
  padding: 0 0.3rem;
  letter-spacing: 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: var(--radius-md);
  padding: 0.95rem 1rem;
  margin-bottom: 0.7rem;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform 0.1s;
}

.card:hover {
  border-color: var(--hair-strong);
  box-shadow: var(--shadow-sm);
}

.card:active {
  border-color: var(--red);
  transform: scale(0.995);
}

.card .eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.4rem;
}

.card .eyebrow .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--red);
}

.card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.04rem;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.card p {
  margin: 0;
  font-size: 0.83rem;
  color: var(--ink-soft);
  line-height: 1.45;
}

.card .meta {
  margin-top: 0.6rem;
  display: flex;
  gap: 0.8rem;
  font-size: 0.72rem;
  color: var(--slate);
}

.card .meta b {
  color: var(--ink-soft);
  font-weight: 600;
}

/* ── Add source form ────────────────────────────────────────────────── */
.form-section {
  margin-top: 0.5rem;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 0.3rem;
  display: block;
}

.form-input {
  width: 100%;
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 0.65rem 0.8rem;
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--ink);
  transition: border-color var(--transition-fast), outline var(--transition-fast);
}

.form-input:focus {
  outline: 2px solid var(--red);
  outline-offset: 1px;
  border-color: transparent;
}

.form-input::placeholder {
  color: var(--slate);
}

.form-row {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.form-row > * {
  flex: 1;
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  padding-right: 2rem;
}

textarea.form-input {
  min-height: 28dvh;
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.6;
  resize: vertical;
}

/* ── Mode tabs (URL / Paste / PDF) ──────────────────────────────────── */
.mode-tabs {
  display: flex;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius-full);
  padding: 3px;
  margin: 0.8rem 0;
}

.mode-tabs button {
  flex: 1;
  border: none;
  background: none;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--slate);
  padding: 0.5rem 0.4rem;
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mode-tabs button.active {
  background: var(--ink);
  color: var(--surface);
}

.mode-tabs button:not(.active):hover {
  color: var(--ink-soft);
}

/* ── Primary button ─────────────────────────────────────────────────── */
.primary {
  width: 100%;
  margin-top: 0.7rem;
  border: none;
  border-radius: 12px;
  background: var(--ink);
  color: var(--surface);
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: opacity var(--transition-fast), transform 0.1s;
}

.primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.primary:not(:disabled):hover {
  opacity: 0.9;
}

.primary:not(:disabled):active {
  transform: translateY(1px);
}

.primary.secondary-btn {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--hair-strong);
}

.hint {
  font-size: 0.76rem;
  color: var(--slate);
  margin: 0.6rem 0.15rem 0;
  line-height: 1.45;
}

.err {
  background: var(--red-wash);
  border: 1px solid rgba(216, 35, 42, 0.2);
  color: var(--red);
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
  font-size: 0.8rem;
  margin-top: 0.7rem;
  line-height: 1.4;
}

/* ── File upload zone ───────────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--hair-strong);
  border-radius: var(--radius-md);
  padding: 2rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  margin-top: 0.5rem;
}

.upload-zone:hover {
  border-color: var(--red);
  background: var(--red-wash);
}

.upload-zone.dragover {
  border-color: var(--red);
  background: var(--red-wash);
}

.upload-zone .icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.upload-zone .label {
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-weight: 600;
}

.upload-zone .sub {
  font-size: 0.72rem;
  color: var(--slate);
  margin-top: 0.3rem;
}

.upload-zone .filename {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ok);
  font-weight: 600;
  margin-top: 0.5rem;
}

/* ── Reading view ───────────────────────────────────────────────────── */
.readtop {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 0.15rem 0.3rem;
  flex-wrap: wrap;
}

.back {
  border: none;
  background: none;
  color: var(--red);
  font-weight: 700;
  font-size: 0.84rem;
  cursor: pointer;
  padding: 0.2rem 0;
  font-family: var(--sans);
  transition: opacity var(--transition-fast);
}

.back:hover {
  opacity: 0.7;
}

.readtop .spacer {
  flex: 1;
}

.seg {
  display: inline-flex;
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius-full);
  overflow: hidden;
  background: var(--surface);
}

.seg button {
  border: none;
  background: none;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--slate);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.seg button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--surface);
}

.src {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--slate);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0.4rem 0.15rem 0.1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.src a {
  color: var(--red);
  text-decoration: none;
}

.src a:hover {
  text-decoration: underline;
}

.article {
  font-family: var(--serif);
  font-size: var(--read-size);
  line-height: 1.85;
  color: var(--ink);
  padding: 0.5rem 0.15rem 2rem;
  letter-spacing: 0.002em;
}

.article h2 {
  font-family: var(--sans);
  font-size: 1.25rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0.2rem 0 1rem;
}

/* Tappable word */
.tw {
  cursor: pointer;
  border-bottom: 1.5px dotted var(--slate);
  padding-bottom: 1px;
  transition: background 0.12s, border-color 0.12s;
  border-radius: 2px;
}

.tw:hover {
  background: var(--red-glow);
}

.tw:active, .tw.on {
  background: var(--red-wash);
  border-bottom-color: var(--red);
}

.tw.saved {
  border-bottom-style: solid;
  border-bottom-color: var(--ok);
}

/* Interlinear gloss */
.article.inl .tw {
  position: relative;
}

.article.inl .gl {
  display: inline;
  font-family: var(--sans);
  font-size: 0.62em;
  color: var(--red);
  font-weight: 600;
  white-space: nowrap;
  margin: 0 0.15em 0 0.12em;
  vertical-align: 0.15em;
  line-height: 1;
}

.article:not(.inl) .gl {
  display: none;
}

/* ── Loading ────────────────────────────────────────────────────────── */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  padding: 3rem 1rem;
  color: var(--slate);
}

.loading .label {
  font-size: 0.85rem;
  font-weight: 500;
}

.spin {
  width: 26px;
  height: 26px;
  border: 3px solid var(--hair-strong);
  border-top-color: var(--red);
  border-radius: 50%;
  animation: sp 1s linear infinite;
}

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

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--hair) 25%, var(--surface) 50%, var(--hair) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease infinite;
  border-radius: var(--radius-sm);
  height: 1rem;
  margin-bottom: 0.5rem;
}

.skeleton.title { height: 1.4rem; width: 60%; margin-bottom: 1rem; }
.skeleton.line { height: 0.9rem; }
.skeleton.line:nth-child(even) { width: 85%; }

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Bottom sheet (word card) ───────────────────────────────────────── */
.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 25, 0.28);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 40;
}

@media (prefers-color-scheme: dark) {
  .backdrop { background: rgba(0, 0, 0, 0.5); }
}

.backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  background: var(--surface);
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  border: 1px solid var(--hair);
  box-shadow: var(--shadow-sheet);
  transform: translateY(110%);
  transition: transform var(--transition-med);
  padding: 0.6rem 1.1rem 1.4rem;
  max-width: 760px;
  margin: 0 auto;
}

@supports (backdrop-filter: blur(1px)) {
  .sheet {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: saturate(1.5) blur(20px);
    -webkit-backdrop-filter: saturate(1.5) blur(20px);
  }
  @media (prefers-color-scheme: dark) {
    .sheet {
      background: rgba(28, 28, 36, 0.95);
    }
  }
}

.sheet.show {
  transform: translateY(0);
}

.grip {
  width: 38px;
  height: 4px;
  border-radius: 99px;
  background: var(--hair-strong);
  margin: 0.1rem auto 0.8rem;
}

.wc-head {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.wc-head h4 {
  margin: 0;
  font-size: 1.5rem;
  font-family: var(--serif);
  letter-spacing: -0.01em;
}

.wc-lemma {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--slate);
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 6px;
  padding: 0.12rem 0.4rem;
}

.wc-fr {
  font-size: 1.12rem;
  color: var(--red);
  font-weight: 600;
  margin: 0.6rem 0 0;
  line-height: 1.3;
}

.wc-note {
  font-size: 0.84rem;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0.55rem 0 0;
  background: var(--paper);
  border-left: 3px solid var(--hair-strong);
  padding: 0.5rem 0.65rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.wc-note .mono {
  font-family: var(--mono);
  font-size: 0.92em;
  color: var(--ink);
}

.wc-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.95rem;
}

.wc-actions button {
  flex: 1;
  border-radius: 11px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.86rem;
  padding: 0.7rem;
  cursor: pointer;
  border: 1px solid var(--hair-strong);
  background: var(--surface);
  color: var(--ink);
  transition: transform 0.1s, opacity var(--transition-fast);
}

.wc-actions button:active {
  transform: translateY(1px);
}

.wc-actions .keep {
  background: var(--ink);
  color: var(--surface);
  border-color: var(--ink);
}

.wc-actions .keep.is-saved {
  background: var(--ok);
  border-color: var(--ok);
}

/* ── Words panel ────────────────────────────────────────────────────── */
.words-empty {
  color: var(--slate);
  font-size: 0.85rem;
  line-height: 1.5;
  padding: 1.5rem 0.3rem;
  text-align: center;
}

.wlist {
  margin: 0.6rem 0 0;
  max-height: 45dvh;
  overflow-y: auto;
}

.wrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.1rem;
  border-bottom: 1px solid var(--hair);
  transition: background var(--transition-fast);
}

.wrow:hover {
  background: var(--red-glow);
}

.wrow .de {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
  flex: 0 0 auto;
}

.wrow .fr {
  font-size: 0.82rem;
  color: var(--ink-soft);
  flex: 1;
  line-height: 1.3;
}

.wrow .del {
  border: none;
  background: none;
  color: var(--slate);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.2rem 0.3rem;
  transition: color var(--transition-fast);
}

.wrow .del:hover {
  color: var(--red);
}

.toolbar {
  display: flex;
  gap: 0.5rem;
  margin: 0.9rem 0 0.2rem;
}

.toolbar button {
  flex: 1;
  border-radius: 11px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 0.7rem;
  cursor: pointer;
  border: 1px solid var(--hair-strong);
  background: var(--surface);
  color: var(--ink);
  transition: transform 0.1s;
}

.toolbar button:active {
  transform: translateY(1px);
}

.toolbar .exp {
  background: var(--ink);
  color: var(--surface);
  border-color: var(--ink);
}

.toolbar button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ── Toast ──────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  left: 50%;
  bottom: 5.2rem;
  transform: translateX(-50%) translateY(10px);
  background: var(--ink);
  color: var(--surface);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-full);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 60;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Delete button on source card ───────────────────────────────────── */
.card-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.4rem;
}

.card-del {
  border: none;
  background: none;
  color: var(--slate);
  font-size: 0.7rem;
  font-family: var(--sans);
  font-weight: 600;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.card-del:hover {
  color: var(--red);
  background: var(--red-wash);
}

/* ── Warning banner ─────────────────────────────────────────────────── */
.warn-banner {
  background: rgba(154, 107, 0, 0.08);
  border: 1px solid rgba(154, 107, 0, 0.2);
  color: var(--amber);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.7rem;
  font-size: 0.78rem;
  margin-top: 0.5rem;
  line-height: 1.4;
}

/* ── Responsive ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}

@media (min-width: 620px) {
  :root {
    --read-size: 1.24rem;
  }
}

/* ── Progress indicator (for ingestion) ─────────────────────────────── */
.progress-bar {
  width: 100%;
  height: 3px;
  background: var(--hair);
  border-radius: 2px;
  margin-top: 0.5rem;
  overflow: hidden;
}

.progress-bar .fill {
  height: 100%;
  background: var(--red);
  border-radius: 2px;
  width: 0%;
  animation: progress-indeterminate 1.5s ease infinite;
}

@keyframes progress-indeterminate {
  0% { width: 0%; margin-left: 0; }
  50% { width: 60%; margin-left: 20%; }
  100% { width: 0%; margin-left: 100%; }
}

/* ── Stats badge on source card ─────────────────────────────────────── */
.stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--slate);
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: var(--radius-full);
  padding: 0.15rem 0.45rem;
}

.stat-badge.accent {
  color: var(--red);
  background: var(--red-wash);
  border-color: transparent;
}

/* ── Anki entry form ───────────────────────────────────────────────── */
.anki-preview {
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 0.8rem;
}

.anki-preview .form-section {
  margin-top: 0.6rem;
}

.anki-preview .form-section:first-child {
  margin-top: 0;
}

.decomp-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.3rem;
}

.decomp-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
}

.decomp-row input {
  flex: 1;
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 0.45rem 0.6rem;
  font-family: var(--sans);
  font-size: 0.84rem;
  color: var(--ink);
  transition: border-color var(--transition-fast);
}

.decomp-row input:focus {
  outline: 2px solid var(--red);
  outline-offset: 1px;
  border-color: transparent;
}

.decomp-row input:first-child {
  flex: 0 0 35%;
}

.decomp-row .del {
  border: none;
  background: none;
  color: var(--slate);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.2rem 0.3rem;
  flex: 0 0 auto;
  transition: color var(--transition-fast);
}

.decomp-row .del:hover {
  color: var(--red);
}

.decomp-add {
  border: 1px dashed var(--hair-strong);
  background: none;
  color: var(--slate);
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast);
  margin-top: 0.1rem;
}

.decomp-add:hover {
  border-color: var(--red);
  color: var(--ink-soft);
}

.anki-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.9rem;
}

.anki-actions button {
  flex: 1;
}

.anki-loading {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.anki-loading .spin {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.anki-direction {
  margin-bottom: 0.6rem;
}