/* Wortwerkstatt — styles. Tokens copied from the repo root DESIGN.md
   (dark only). Accent family: blue. */

@font-face {
  font-family: "Atkinson Hyperlegible";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/atkinson-hyperlegible-400.woff2?v=9") format("woff2");
}
@font-face {
  font-family: "Atkinson Hyperlegible";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/atkinson-hyperlegible-700.woff2?v=9") format("woff2");
}

:root {
  --color-background-app: #0E141D;
  --color-background-canvas: #111A25;
  --color-background-surface: #162232;
  --color-background-surface-raised: #1B2A3C;
  --color-background-surface-soft: #13202E;
  --color-border-subtle: #263648;
  --color-border-strong: #3A4B5F;
  --color-border-focus: #F4E7B1;
  --color-text-primary: #F5F7FA;
  --color-text-secondary: #C5D0DD;
  --color-text-muted: #8FA1B4;
  --color-text-disabled: #617286;
  --color-text-inverse: #101722;
  --color-action-primary-bg: #F5F7FA;
  --color-action-primary-text: #101722;
  --color-action-primary-hover-bg: #E5EAF0;
  --color-action-secondary-bg: #1C2A3B;
  --color-action-secondary-text: #F5F7FA;
  --color-action-secondary-hover-bg: #26384E;
  --color-accent: #9FBBD7;
  --color-accent-soft: #9FBBD726;
  --color-accent-muted: #718CAB;
  --color-success: #8ECFA3;
  --color-success-soft: #8ECFA326;
  --color-warning: #E6C26E;
  --color-warning-soft: #E6C26E26;
  --color-danger: #E58C8A;
  --color-danger-soft: #E58C8A26;
  --color-info: #9FC7D7;
  --color-info-soft: #9FC7D726;

  --font-body: "Atkinson Hyperlegible", system-ui, sans-serif;
  --size-xs: 0.75rem;
  --size-sm: 0.875rem;
  --size-md: 1rem;
  --size-lg: 1.125rem;
  --size-xl: 1.375rem;
  --size-xxl: 1.75rem;
  --size-display-sm: 2.125rem;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px #00000033;

  --duration-fast: 120ms;
  --duration-base: 180ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --target-child: 3rem;
  --max-width-narrow: 42rem;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--color-background-app);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--size-md);
  line-height: 1.55;
  min-height: 100svh;
}

.shell {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  animation: view-in var(--duration-base) var(--ease-out);
}

@keyframes view-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (min-width: 40rem) {
  .shell { padding: var(--space-6); }
}
@media (min-width: 64rem) {
  .shell { padding: var(--space-8); }
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ── Headers ─────────────────────────────────────────────────────── */

.app-header h1 {
  font-size: var(--size-display-sm);
}

.app-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.tagline {
  margin: var(--space-2) 0 0;
  color: var(--color-text-secondary);
}

.view-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.view-header h1 {
  font-size: var(--size-xl);
  overflow-wrap: anywhere;
}

/* ── Sections and panels ─────────────────────────────────────────── */

.section {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.section h2 {
  font-size: var(--size-lg);
}

.panel {
  background: var(--color-background-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.hint {
  margin: 0;
  font-size: var(--size-sm);
  color: var(--color-text-muted);
}

/* ── Buttons ─────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding: 0 var(--space-5);
  border: none;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: var(--size-md);
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--color-action-primary-bg);
  color: var(--color-action-primary-text);
}
.btn-primary:hover { background: var(--color-action-primary-hover-bg); }

.btn-secondary {
  background: var(--color-action-secondary-bg);
  color: var(--color-action-secondary-text);
}
.btn-secondary:hover { background: var(--color-action-secondary-hover-bg); }

.btn-wide { width: 100%; }

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  min-width: 2.75rem;
  height: 2.75rem;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
}
.btn-icon:hover {
  background: var(--color-background-surface-raised);
  color: var(--color-text-primary);
}

.btn-link {
  border: none;
  background: none;
  padding: var(--space-2);
  font-family: inherit;
  font-size: var(--size-sm);
  color: var(--color-text-muted);
  text-decoration: underline;
  cursor: pointer;
}
.btn-link:hover { color: var(--color-text-secondary); }

.icon {
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
}
.icon.muted { color: var(--color-text-muted); }

/* ── Topic list (home) ───────────────────────────────────────────── */

.topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.topic-card {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-background-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: inherit;
  font-family: inherit;
  font-size: var(--size-md);
  text-align: left;
  cursor: pointer;
  min-height: var(--target-child);
}
.topic-card:hover { background: var(--color-action-secondary-hover-bg); }

.topic-icon {
  flex: none;
  display: inline-flex;
  color: var(--color-accent);
}
.topic-icon .icon { width: 1.5rem; height: 1.5rem; }

.topic-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topic-title {
  font-weight: 700;
  overflow-wrap: anywhere;
}

.topic-sub {
  font-size: var(--size-xs);
  color: var(--color-text-muted);
}

.pill {
  flex: none;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--size-xs);
  font-weight: 700;
}
.pill-neu { background: var(--color-background-surface-soft); color: var(--color-text-muted); }
.pill-geuebt { background: var(--color-accent-soft); color: var(--color-accent); }
.pill-sitzt { background: var(--color-success-soft); color: var(--color-success); }

/* ── Choices (settings and answers) ──────────────────────────────── */

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.choice-grid-wide {
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
}

.choice-grid-cycle { grid-template-columns: 1fr; }

@media (min-width: 34rem) {
  .choice-grid-cycle { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.choice {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-height: var(--target-child);
  padding: var(--space-3);
  background: var(--color-background-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: inherit;
  font-family: inherit;
  font-size: var(--size-md);
  text-align: left;
  cursor: pointer;
}
.choice:hover { background: var(--color-action-secondary-hover-bg); }

.choice.selected {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.choice-title {
  font-weight: 700;
  overflow-wrap: anywhere;
}

.choice-hint {
  font-size: var(--size-xs);
  color: var(--color-text-muted);
}

/* Answer options: one wide, calm target each, never a colour-only
   state. Three options fit a phone row; long labels wrap. */
.choice-grid-options {
  width: 100%;
  grid-template-columns: repeat(auto-fit, minmax(6.5rem, 1fr));
  gap: var(--space-3);
}

.choice-option {
  align-items: center;
  justify-content: center;
  min-height: 3.5rem;
  text-align: center;
}

.choice-option .choice-title {
  font-size: var(--size-xl);
}

/* A lone punctuation mark carries no shape to read, so it gets the
   size a word would take up. */
.choice-option-mark .choice-title {
  font-size: var(--size-display-sm);
  line-height: 1;
}

/* ── Task panel ──────────────────────────────────────────────────── */

.instruction {
  margin: 0;
  text-align: center;
  color: var(--color-text-secondary);
}

.task-panel {
  align-items: center;
  text-align: center;
  gap: var(--space-3);
}

.task-text {
  font-size: var(--size-xl);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.task-word .task-text {
  font-size: var(--size-xxl);
  letter-spacing: 0.02em;
}

.task-clue {
  margin: 0;
  font-size: var(--size-sm);
  color: var(--color-text-muted);
}

/* The gap reads as one slot inside the word or sentence: a soft plate
   with an accent baseline, not a hole between three loose pieces. */
.blank {
  display: inline-block;
  min-width: 2.75rem;
  padding: 0 var(--space-2);
  background: var(--color-background-surface-soft);
  border-bottom: 2px solid var(--color-accent);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  font-weight: 700;
}

.blank-open {
  color: var(--color-text-disabled);
  letter-spacing: 0.1em;
}

.blank-ok {
  background: var(--color-success-soft);
  border-bottom-color: var(--color-success);
  color: var(--color-success);
}

.blank-miss {
  background: var(--color-danger-soft);
  border-bottom-color: var(--color-danger);
  color: var(--color-danger);
  text-decoration: line-through;
}

/* An answer that is "nothing goes here" still needs to be visible as a
   deliberate gap, so the slot keeps a narrow width. */
.blank-none { min-width: 1.5rem; }

/* An end-of-sentence mark belongs to the word before it, so its slot
   sits tight on the left instead of floating between two words. */
.task-punct .blank {
  min-width: 2rem;
  padding-left: var(--space-1);
}

/* ── Memory words ────────────────────────────────────────────────── */

.memory-word {
  display: block;
  font-size: var(--size-display-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

.memory-word.ok { color: var(--color-success); }
.memory-word.reveal { color: var(--color-info); }

.answer-field {
  width: 100%;
  max-width: 22rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
}

.answer-field input {
  width: 100%;
  height: 3.5rem;
  padding: 0 var(--space-4);
  background: var(--color-background-surface-soft);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: var(--size-xxl);
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.06em;
}

.answer-field input:focus-visible {
  outline: none;
  border-color: var(--color-border-focus);
}

.answer-field .hint { text-align: center; }

.letters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-1);
}

.letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.75rem;
  height: 2.5rem;
  padding: 0 var(--space-1);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  background: var(--color-background-surface-soft);
  font-size: var(--size-lg);
  font-weight: 700;
}

.letter.ok {
  background: var(--color-success-soft);
  border-color: var(--color-success);
}

/* A missed letter is marked by shape as well as colour: the underline
   survives a colour-blind reader and a grayscale print. */
.letter.miss {
  background: var(--color-danger-soft);
  border-color: var(--color-danger);
  color: var(--color-danger);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

/* A whole sentence is written out letter by letter too, so the spaces
   between its words need to read as gaps rather than empty boxes. */
.letter-space {
  min-width: 0.75rem;
  border-color: transparent;
  background: none;
}

/* ── Rule box ────────────────────────────────────────────────────── */

.rule {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-background-surface-soft);
  border-radius: var(--radius-md);
}

.rule-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--size-xs);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-accent);
}
.rule-label .icon { width: 1rem; height: 1rem; }

.rule-text {
  margin: 0;
  font-size: var(--size-sm);
  color: var(--color-text-secondary);
  max-width: 60ch;
}

/* Where the rule comes from. Quiet, but precise enough that a parent
   or a teacher can look it up. */
.rule-source {
  margin: 0;
  font-size: var(--size-xs);
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* ── Chapters ────────────────────────────────────────────────────── */

.chapter-number {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-pill);
  background: var(--color-background-surface-soft);
  color: var(--color-accent);
  font-weight: 700;
}

.tag-write {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--size-xs);
  font-weight: 700;
  color: var(--color-text-muted);
}
.tag-write .icon { width: 1rem; height: 1rem; }

/* Below the narrowest layouts the writing tag competes with the status
   pill, so it steps aside and the pill keeps the row readable. */
@media (max-width: 24rem) {
  .tag-write span { display: none; }
}

/* The sentence to be written out, kept on screen while it is copied. */
.copy-prompt {
  display: block;
  font-size: var(--size-lg);
  color: var(--color-text-secondary);
  overflow-wrap: anywhere;
}

/* ── Round progress, feedback, actions ───────────────────────────── */

.step-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
}

.dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-pill);
  background: var(--color-background-surface-raised);
}
.dot.done { background: var(--color-accent-muted); }
.dot.current {
  background: var(--color-accent);
  transform: scale(1.4);
}

.feedback-area { min-height: 0; }

.feedback {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  animation: view-in var(--duration-base) var(--ease-out);
}

.feedback .icon { margin-top: 0.15rem; }

.feedback-success { background: var(--color-success-soft); }
.feedback-success .icon { color: var(--color-success); }
.feedback-warn { background: var(--color-warning-soft); }
.feedback-warn .icon { color: var(--color-warning); }
.feedback-info { background: var(--color-info-soft); }
.feedback-info .icon { color: var(--color-info); }

.actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.actions .btn-wide { max-width: 20rem; }

/* ── Round summary ───────────────────────────────────────────────── */

.done-panel { text-align: left; }

.result-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.result-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border-subtle);
}

.result-text {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.result-tag {
  flex: none;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--size-xs);
  font-weight: 700;
  background: var(--color-background-surface-soft);
  color: var(--color-text-muted);
}

.result-row.known .result-tag {
  background: var(--color-success-soft);
  color: var(--color-success);
}

/* ── Level, XP, medals ───────────────────────────────────────────── */

.stats-strip {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-background-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  color: inherit;
  font-family: inherit;
  font-size: var(--size-md);
  text-align: left;
  cursor: pointer;
  width: 100%;
}
.stats-strip:hover { background: var(--color-background-surface-raised); }

.level-badge {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: var(--size-lg);
  font-weight: 700;
}

.stats-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stats-title {
  margin: 0;
  font-weight: 700;
}

.stats-xp {
  font-size: var(--size-xs);
  color: var(--color-text-muted);
}

.progress {
  display: block;
  height: 0.5rem;
  border-radius: var(--radius-pill);
  background: var(--color-background-surface-soft);
  overflow: hidden;
}

.progress-fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

.stats-medals {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--size-sm);
  font-weight: 700;
  color: var(--color-text-secondary);
}
.stats-medals .icon { color: var(--color-accent); }

.reward-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-accent-soft);
  border-radius: var(--radius-md);
}

.reward-xp {
  font-size: var(--size-lg);
  font-weight: 700;
  color: var(--color-accent);
}

.reward-row {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.reward-row .icon { color: var(--color-accent); }

.medal-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.medal-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-background-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.medal-card .medal-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent);
}
.medal-card .medal-icon .icon { width: 1.5rem; height: 1.5rem; }

.medal-name { font-weight: 700; }

.medal-desc {
  font-size: var(--size-xs);
  color: var(--color-text-muted);
}

.medal-card.locked {
  background: var(--color-background-surface-soft);
}
.medal-card.locked .medal-icon {
  background: var(--color-background-surface-raised);
  color: var(--color-text-disabled);
}
.medal-card.locked .medal-name { color: var(--color-text-muted); }

/* ── Footer ──────────────────────────────────────────────────────── */

.app-footer {
  margin-top: var(--space-4);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

/* ── Reduced motion ──────────────────────────────────────────────── */

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

/* ── Writing mode: the text taking shape ─────────────────────────── */

.para {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-align: left;
  width: 100%;
  font-size: var(--size-lg);
  line-height: 1.5;
}

.para-line { overflow-wrap: anywhere; }

/* Written already: the finished sentence, in full contrast. */
.para-line.done { color: var(--color-text-primary); }

/* The sentence being worked on, still as it was typed in a hurry. */
.para-line.current {
  color: var(--color-accent);
  font-weight: 700;
}

/* Still to come. Visible, so the child can see how much text is left,
   but clearly not the sentence in hand. */
.para-line.pending { color: var(--color-text-disabled); }

.task-text .para { font-size: inherit; }

/* A sentence comes back word by word, so one missing comma marks one
   word instead of everything after it. */
.words {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}

.word {
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  background: var(--color-background-surface-soft);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.word.ok {
  background: var(--color-success-soft);
  border-color: var(--color-success);
}

.word.miss {
  background: var(--color-danger-soft);
  border-color: var(--color-danger);
  color: var(--color-danger);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

/* The line being written is pointed at, so it cannot be mistaken for
   one of the lines around it. */
.para-line.current {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.para-line.current .icon {
  align-self: center;
  color: var(--color-accent);
}

/* A word the child left out: the gap is shown where it belongs rather
   than shifting every later word out of place. */
/* A word and the mark after it sit together, so the sentence still
   reads as a sentence while each is judged on its own. */
.word-group {
  display: inline-flex;
  gap: 2px;
}

/* A mark is one character wide, so its cell does not need a word's
   worth of room. */
.word.punct {
  min-width: 1.5rem;
  padding-left: var(--space-1);
  padding-right: var(--space-1);
  text-align: center;
}

.word.gap::before {
  content: "·";
  color: var(--color-danger);
}