/* ============================================================
   AULA D'ACOLLIDA DIGITAL - FULL D'ESTILS ACCESSIBLE I DUA
   Dissenyat per a Educació Primària, Multilingüisme RTL i Modes Fosc/Clar
   ============================================================ */

/* --- SISTEMA DE TOKENS I VARIABLES DE COLOR --- */
:root {
  /* Colors base de marca */
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #10b981;
  --accent-color: #f59e0b;

  /* Mode Clar (per defecte) */
  --bg-color: #f8fafc;
  --header-bg: #ffffff;
  --card-bg: #ffffff;
  --card-subtle-bg: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-heading: #1e3a8a;
  --border-color: #cbd5e1;
  --border-hover: #94a3b8;
  --input-bg: #ffffff;
  --input-text: #0f172a;
  --badge-bg: #f1f5f9;
  --badge-text: #1e293b;
  
  /* Botó de llengua actiu */
  --lang-active-bg: #dbeafe;
  --lang-active-text: #1e40af;
  --lang-active-border: #2563eb;

  /* Targeta de frase model */
  --phrase-bg: #fefce8;
  --phrase-border: #fef08a;
  --phrase-title: #854d0e;
  --phrase-text: #713f12;

  /* Botons de reproducció de veu */
  --speaker-bg: #dbeafe;
  --speaker-hover: #2563eb;
  --speaker-color: #1d4ed8;
  --speak-btn-bg: #eff6ff;
  --speak-btn-text: #1d4ed8;
  --speak-btn-border: #bfdbfe;
  --speak-bridge-bg: #f1f5f9;
  --speak-bridge-text: #1e293b;
  --speak-bridge-border: #cbd5e1;

  /* Banner de feedback */
  --feedback-success-bg: #d1fae5;
  --feedback-success-text: #065f46;
  --feedback-success-border: #a7f3d0;
  --feedback-retry-bg: #fee2e2;
  --feedback-retry-text: #991b1b;
  --feedback-retry-border: #fecaca;

  /* Medalles i Passaport */
  --word-badge-bg: #e0f2fe;
  --word-badge-text: #0369a1;
  --word-badge-border: #bae6fd;
  --passport-bg: #fafaf9;
  --passport-border: #2563eb;

  /* Peu de pàgina */
  --footer-bg: #f8fafc;
  --footer-border: #e2e8f0;
  --footer-text: #475569;
  --footer-link: #2563eb;

  /* Ombres i ràdios */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --font-main: 'Segoe UI', system-ui, -apple-system, Roboto, 'Helvetica Neue', sans-serif;
  --font-arabic: 'Segoe UI', 'Cairo', 'Noto Sans Arabic', Tahoma, sans-serif;

  color-scheme: light;
}

/* --- DETECCIÓ AUTOMÀTICA DE PREFERÈNCIA DEL SISTEMA (MODE FOSC) --- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-color: #0b1120;
    --header-bg: #111827;
    --card-bg: #1e293b;
    --card-subtle-bg: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #cbd5e1;
    --text-heading: #93c5fd;
    --border-color: #334155;
    --border-hover: #475569;
    --input-bg: #0f172a;
    --input-text: #f8fafc;
    --badge-bg: #1e293b;
    --badge-text: #f8fafc;

    --lang-active-bg: #1e3a8a;
    --lang-active-text: #ffffff;
    --lang-active-border: #60a5fa;

    --phrase-bg: #172554;
    --phrase-border: #1e40af;
    --phrase-title: #fde047;
    --phrase-text: #e2e8f0;

    --speaker-bg: #1e3a8a;
    --speaker-hover: #2563eb;
    --speaker-color: #93c5fd;
    --speak-btn-bg: #1e3a8a;
    --speak-btn-text: #ffffff;
    --speak-btn-border: #3b82f6;
    --speak-bridge-bg: #334155;
    --speak-bridge-text: #f8fafc;
    --speak-bridge-border: #475569;

    --feedback-success-bg: #064e3b;
    --feedback-success-text: #a7f3d0;
    --feedback-success-border: #059669;
    --feedback-retry-bg: #7f1d1d;
    --feedback-retry-text: #fecaca;
    --feedback-retry-border: #dc2626;

    --word-badge-bg: #1e3a8a;
    --word-badge-text: #bfdbfe;
    --word-badge-border: #3b82f6;
    --passport-bg: #1e293b;
    --passport-border: #60a5fa;

    --footer-bg: #111827;
    --footer-border: #1f2937;
    --footer-text: #cbd5e1;
    --footer-link: #60a5fa;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);

    color-scheme: dark;
  }
}

/* --- FORÇAR MODE FOSC MANUALMENT --- */
[data-theme="dark"] {
  --bg-color: #0b1120;
  --header-bg: #111827;
  --card-bg: #1e293b;
  --card-subtle-bg: #0f172a;
  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-heading: #93c5fd;
  --border-color: #334155;
  --border-hover: #475569;
  --input-bg: #0f172a;
  --input-text: #f8fafc;
  --badge-bg: #1e293b;
  --badge-text: #f8fafc;

  --lang-active-bg: #1e3a8a;
  --lang-active-text: #ffffff;
  --lang-active-border: #60a5fa;

  --phrase-bg: #172554;
  --phrase-border: #1e40af;
  --phrase-title: #fde047;
  --phrase-text: #e2e8f0;

  --speaker-bg: #1e3a8a;
  --speaker-hover: #2563eb;
  --speaker-color: #93c5fd;
  --speak-btn-bg: #1e3a8a;
  --speak-btn-text: #ffffff;
  --speak-btn-border: #3b82f6;
  --speak-bridge-bg: #334155;
  --speak-bridge-text: #f8fafc;
  --speak-bridge-border: #475569;

  --feedback-success-bg: #064e3b;
  --feedback-success-text: #a7f3d0;
  --feedback-success-border: #059669;
  --feedback-retry-bg: #7f1d1d;
  --feedback-retry-text: #fecaca;
  --feedback-retry-border: #dc2626;

  --word-badge-bg: #1e3a8a;
  --word-badge-text: #bfdbfe;
  --word-badge-border: #3b82f6;
  --passport-bg: #1e293b;
  --passport-border: #60a5fa;

  --footer-bg: #111827;
  --footer-border: #1f2937;
  --footer-text: #cbd5e1;
  --footer-link: #60a5fa;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);

  color-scheme: dark;
}

/* --- FORÇAR MODE CLAR MANUALMENT --- */
[data-theme="light"] {
  --bg-color: #f8fafc;
  --header-bg: #ffffff;
  --card-bg: #ffffff;
  --card-subtle-bg: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-heading: #1e3a8a;
  --border-color: #cbd5e1;
  --border-hover: #94a3b8;
  --input-bg: #ffffff;
  --input-text: #0f172a;
  --badge-bg: #f1f5f9;
  --badge-text: #1e293b;

  --lang-active-bg: #dbeafe;
  --lang-active-text: #1e40af;
  --lang-active-border: #2563eb;

  --phrase-bg: #fefce8;
  --phrase-border: #fef08a;
  --phrase-title: #854d0e;
  --phrase-text: #713f12;

  --speaker-bg: #dbeafe;
  --speaker-hover: #2563eb;
  --speaker-color: #1d4ed8;
  --speak-btn-bg: #eff6ff;
  --speak-btn-text: #1d4ed8;
  --speak-btn-border: #bfdbfe;
  --speak-bridge-bg: #f1f5f9;
  --speak-bridge-text: #1e293b;
  --speak-bridge-border: #cbd5e1;

  --feedback-success-bg: #d1fae5;
  --feedback-success-text: #065f46;
  --feedback-success-border: #a7f3d0;
  --feedback-retry-bg: #fee2e2;
  --feedback-retry-text: #991b1b;
  --feedback-retry-border: #fecaca;

  --word-badge-bg: #e0f2fe;
  --word-badge-text: #0369a1;
  --word-badge-border: #bae6fd;
  --passport-bg: #fafaf9;
  --passport-border: #2563eb;

  --footer-bg: #f8fafc;
  --footer-border: #e2e8f0;
  --footer-text: #475569;
  --footer-link: #2563eb;

  color-scheme: light;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* --- SUPORT PER A LLENGÜES AMB ESCRIPTURA RTL (ÀRAB I URDÚ) --- */
.arabic-text,
.urdu-text,
.rtl-text {
  font-family: var(--font-arabic);
  direction: rtl;
  text-align: right;
  unicode-bidi: isolate;
  font-size: 1.15em;
  letter-spacing: 0;
}

[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

/* --- CAPÇALERA I BARRA SUPERIOR --- */
.app-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 1.25rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  user-select: none;
}

.logo-icon {
  font-size: 2rem;
  background: var(--badge-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.55rem;
  display: inline-block;
  line-height: 1;
}

.logo-title h1 {
  font-size: 1.25rem;
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.2;
}

.logo-title p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle-btn {
  background: var(--badge-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  border-color: var(--primary-color);
  background: var(--card-subtle-bg);
  transform: rotate(15deg) scale(1.05);
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--badge-bg);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.user-badge .avatar {
  background: var(--primary-color);
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

/* --- CONTENIDOR PRINCIPAL --- */
.main-wrapper {
  max-width: 1200px;
  margin: 1.5rem auto;
  padding: 0 1rem;
  width: 100%;
  flex: 1;
}

/* --- PANTALLA INICIAL (BENVINGUDA I CONFIGURACIÓ) --- */
.welcome-screen {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  text-align: center;
  max-width: 650px;
  margin: 1.5rem auto;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.welcome-screen h2 {
  font-size: 1.75rem;
  color: var(--text-heading);
  margin-bottom: 0.4rem;
}

.welcome-screen p.subtitle {
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  font-size: 0.98rem;
}

.config-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-align: left;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
  font-size: 1rem;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1.05rem;
  background: var(--input-bg);
  color: var(--input-text);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.2s, background-color 0.2s;
}

.form-input::placeholder {
  color: var(--text-muted);
  opacity: 0.75;
}

.form-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

/* Selector d'idioma en format targetes gràfiques */
.lang-selector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.75rem;
}

.lang-btn {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.5rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.2s ease;
  color: var(--text-main);
}

.lang-btn .flag {
  font-size: 1.75rem;
}

.lang-btn .name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
}

.lang-btn:hover {
  border-color: var(--primary-color);
  background: var(--card-subtle-bg);
}

.lang-btn.active {
  background: var(--lang-active-bg);
  color: var(--lang-active-text);
  border-color: var(--lang-active-border);
  box-shadow: 0 0 0 2px var(--lang-active-border);
}

.lang-btn.active .name {
  color: var(--lang-active-text);
  font-weight: 700;
}

.btn-primary {
  background: var(--primary-color);
  color: #ffffff;
  border: none;
  padding: 0.9rem 1.75rem;
  font-size: 1.15rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* --- PANNELL DE SELECCIÓ DE TEMES --- */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-title {
  font-size: 1.5rem;
  color: var(--text-main);
  font-weight: 700;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.category-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: var(--cat-color, #2563eb);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--cat-color, #2563eb);
}

.cat-icon {
  font-size: 2.6rem;
  margin-bottom: 0.75rem;
}

.cat-title-ca {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.cat-title-bridge {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.cat-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: auto;
}

/* --- VISTA DE TEMA (MODES DESCOBREIX I REPTES) --- */
.topic-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--card-bg);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 1rem;
}

.tabs-container {
  display: flex;
  gap: 0.4rem;
  background: var(--badge-bg);
  border: 1px solid var(--border-color);
  padding: 0.3rem;
  border-radius: var(--radius-md);
}

.tab-btn {
  padding: 0.55rem 1.15rem;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tab-btn.active {
  background: var(--card-bg);
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

/* --- GRID DE TARGETES LÈXIQUES (MODE DESCOBREIX) --- */
.vocab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.vocab-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.2s ease;
  position: relative;
}

.vocab-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}

.vocab-card.playing-audio {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25), var(--shadow-md) !important;
  transform: translateY(-2px);
}

.card-img-wrap {
  width: 105px;
  height: 105px;
  background: var(--card-subtle-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
  border: 1px solid var(--border-color);
  position: relative;
}

.card-img-wrap .emoji-fallback {
  font-size: 3.2rem;
}

.card-word-ca {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.card-word-bridge {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.card-phonetic {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 0.75rem;
}

.card-audio-actions {
  display: flex;
  gap: 0.6rem;
  width: 100%;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--border-color);
}

.btn-speak {
  flex: 1;
  background: var(--speak-btn-bg);
  color: var(--speak-btn-text);
  border: 1px solid var(--speak-btn-border);
  padding: 0.65rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  transition: all 0.2s;
}

.btn-speak:hover {
  background: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
}

.btn-speak-bridge {
  background: var(--speak-bridge-bg);
  color: var(--speak-bridge-text);
  border: 1px solid var(--speak-bridge-border);
}

.btn-speak-bridge:hover {
  background: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
}

/* Microestructura / Frase útil desplegable a la targeta */
.card-phrase-box {
  margin-top: 0.75rem;
  background: var(--phrase-bg);
  border: 1px solid var(--phrase-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.75rem;
  width: 100%;
  text-align: left;
  font-size: 0.88rem;
}

.card-phrase-box p.phrase-ca {
  font-weight: 700;
  color: var(--phrase-title);
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-phrase-box p.phrase-bridge {
  color: var(--phrase-text);
  font-size: 0.84rem;
}

/* --- LABORATORI DE VEU «ESCOLTA'T I REPETEIX» (FONÈTICA DUA) --- */
.card-voice-lab {
  margin-top: 0.65rem;
  padding-top: 0.55rem;
  border-top: 1px dashed var(--border-color);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.btn-record-trigger {
  background: var(--card-subtle-bg);
  border: 1.5px solid var(--border-color);
  color: var(--text-main);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
  user-select: none;
}

.btn-record-trigger:hover {
  border-color: #ef4444;
  color: #ef4444;
  background: #fef2f2;
  transform: scale(1.02);
}

.recording-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: #fee2e2;
  color: #991b1b;
  border: 1.5px solid #f87171;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  animation: pulse-rec 1.2s infinite;
}

@keyframes pulse-rec {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  50% { transform: scale(1.02); box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.btn-stop-rec {
  background: #ef4444;
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  margin-left: 0.25rem;
  transition: background 0.15s;
}

.btn-stop-rec:hover {
  background: #dc2626;
}

.voice-lab-controls {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-play-rec {
  background: #ecfdf5;
  color: #065f46;
  border: 1.5px solid #10b981;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s ease;
}

.btn-play-rec:hover {
  background: #10b981;
  color: #ffffff;
}

.btn-play-rec.playing {
  background: #059669;
  color: #ffffff;
  border-color: #047857;
  animation: pulse-play 1s infinite;
}

@keyframes pulse-play {
  0% { transform: scale(1); }
  50% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

.btn-retry-rec {
  background: var(--card-subtle-bg);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: all 0.15s ease;
}

.btn-retry-rec:hover {
  color: var(--text-main);
  border-color: var(--primary-color);
  background: var(--badge-bg);
}

[data-theme="dark"] .btn-record-trigger:hover {
  background: #450a0a;
}
[data-theme="dark"] .recording-badge {
  background: #450a0a;
  color: #fca5a5;
  border-color: #ef4444;
}
[data-theme="dark"] .btn-play-rec {
  background: #064e3b;
  color: #6ee7b7;
  border-color: #059669;
}

/* --- PANTALLA DE REPTES I JOCS --- */
.practice-container {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  max-width: 800px;
  margin: 0 auto;
}

/* --- SUBNAVEGACIÓ DE TIPUS DE REPTES --- */
.practice-subnav {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.subnav-btn {
  background: var(--card-subtle-bg);
  color: var(--text-main);
  border: 2px solid var(--border-color);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.2s ease;
}

.subnav-btn:hover {
  border-color: var(--primary-color);
  background: var(--card-bg);
}

.subnav-btn.active {
  background: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
  box-shadow: 0 3px 10px rgba(37, 99, 235, 0.35);
}

/* --- JOC DE PARELLES (MEMORY) --- */
.memory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  width: 100%;
  max-width: 650px;
  margin: 1.25rem auto;
  perspective: 1000px;
}

@media (max-width: 600px) {
  .memory-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
}

.memory-card {
  height: 120px;
  cursor: pointer;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius-md);
  user-select: none;
}

.memory-card.flipped,
.memory-card.matched {
  transform: rotateY(180deg);
}

.memory-card-face {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.memory-card-back {
  background: var(--card-subtle-bg);
  border: 2px dashed var(--border-color);
  color: var(--text-muted);
  font-size: 2.2rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.memory-card:hover .memory-card-back,
.memory-card:focus-visible .memory-card-back {
  border-color: var(--primary-color);
  background: var(--card-bg);
}

.memory-card-front {
  background: var(--card-bg);
  border: 2.5px solid var(--primary-color);
  transform: rotateY(180deg);
}

.memory-card.matched .memory-card-front {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.12);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.4);
}

.memory-card-icon {
  font-size: 2.8rem;
  line-height: 1;
}

.memory-card-word {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-heading);
  text-align: center;
  word-break: break-word;
}

.memory-victory-box {
  background: var(--card-subtle-bg);
  border: 2px solid #10b981;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-align: center;
  margin-top: 1.5rem;
  width: 100%;
}

/* --- JOC TROBA L'INTRÚS --- */
.intruder-box {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  max-width: 740px;
  margin: 0 auto;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.intruder-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.intruder-score {
  background: var(--card-subtle-bg);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-heading);
}

.intruder-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 680px) {
  .intruder-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.intruder-card {
  background: var(--card-subtle-bg);
  border: 2.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  user-select: none;
}

.intruder-card:hover:not(.intruder-correct):not(.intruder-dimmed),
.intruder-card:focus-visible:not(.intruder-correct):not(.intruder-dimmed) {
  border-color: var(--primary-color);
  background: var(--card-bg);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.intruder-card-icon {
  font-size: 3.4rem;
  margin-bottom: 0.5rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

.intruder-card:hover .intruder-card-icon {
  transform: scale(1.1);
}

.intruder-card-word {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 0.2rem;
}

.intruder-card-bridge {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
}

.intruder-audio-btn {
  margin-top: 0.6rem;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.intruder-audio-btn:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* Efectes d'encert i error */
.intruder-card.intruder-correct {
  border-color: #10b981 !important;
  background: rgba(16, 185, 129, 0.14) !important;
  transform: scale(1.05);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.4);
  animation: popSuccess 0.4s ease;
}

.intruder-card.intruder-wrong {
  border-color: #ef4444 !important;
  background: rgba(239, 68, 68, 0.1) !important;
  animation: shake 0.4s ease;
}

.intruder-card.intruder-dimmed {
  opacity: 0.45;
  filter: grayscale(40%);
  transform: scale(0.96);
  pointer-events: none;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

@keyframes popSuccess {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1.05); }
}

.practice-header {
  text-align: center;
  margin-bottom: 2rem;
}

.practice-header h3 {
  font-size: 1.55rem;
  color: var(--text-heading);
  margin-bottom: 0.5rem;
}

.practice-header p {
  color: var(--text-muted);
}

.challenge-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.big-speaker-btn {
  background: var(--speaker-bg);
  border: 3px solid var(--speaker-color);
  color: var(--speaker-color);
  width: 88px;
  height: 88px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-md);
}

.big-speaker-btn:hover {
  transform: scale(1.08);
  background: var(--speaker-hover);
  color: #ffffff;
}

.challenge-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  width: 100%;
}

.option-btn {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.option-btn:hover {
  border-color: var(--primary-color);
  background: var(--card-subtle-bg);
}

.option-btn.correct {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.2);
  animation: pulseCorrect 0.4s ease;
}

.option-btn.wrong {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.2);
  animation: shakeWrong 0.4s ease;
}

.option-btn .opt-icon {
  font-size: 2.8rem;
}

.option-btn .opt-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.feedback-banner {
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1.05rem;
  text-align: center;
  width: 100%;
  display: none;
}

.feedback-banner.success {
  display: block;
  background: var(--feedback-success-bg);
  color: var(--feedback-success-text);
  border: 1px solid var(--feedback-success-border);
}

.feedback-banner.retry {
  display: block;
  background: var(--feedback-retry-bg);
  color: var(--feedback-retry-text);
  border: 1px solid var(--feedback-retry-border);
}

/* --- MODALS I FINESTRES EMERGENTS (ROBUST I ACCESSIBLE) --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 1.25rem 1rem;
  z-index: 1000;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.modal-content {
  background: var(--card-bg);
  color: var(--text-main);
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  margin: auto;
  max-height: calc(100vh - 2.5rem);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  position: relative;
  border: 1px solid var(--border-color);
  box-sizing: border-box;
}

/* Modals amb estructura Flex interna avançada (Capçalera fixa, contingut amb scroll i peu fix) */
.modal-dialog-flex {
  display: flex !important;
  flex-direction: column !important;
  height: calc(100vh - 2.5rem) !important;
  max-height: 860px !important;
  overflow: hidden !important;
  padding: 1.25rem 1.5rem !important;
}

.modal-header-pinned {
  flex-shrink: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
  gap: 1rem;
}

.modal-header-pinned h3 {
  font-size: 1.3rem;
  color: var(--text-heading);
  margin-bottom: 0.2rem;
  line-height: 1.25;
}

.modal-footer-pinned {
  flex-shrink: 0;
  margin-top: 0.75rem;
  border-top: 1px solid var(--border-color);
  padding-top: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.passport-certificate {
  border: 4px double var(--passport-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  background: var(--passport-bg);
  text-align: center;
  margin-bottom: 1.25rem;
}

.passport-header h3 {
  font-size: 1.5rem;
  color: var(--text-heading);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.passport-student-name {
  font-size: 1.8rem;
  color: var(--primary-color);
  font-weight: 800;
  margin: 0.75rem 0;
}

.passport-metrics {
  display: flex;
  justify-content: space-around;
  margin: 1.25rem 0;
  background: var(--card-bg);
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.metric-item .num {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
}

.metric-item .lbl {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.passport-words-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: center;
  margin: 1rem 0;
}

.word-badge {
  background: var(--word-badge-bg);
  color: var(--word-badge-text);
  border: 1px solid var(--word-badge-border);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-lg);
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-secondary {
  background: var(--badge-bg);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.8rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: var(--border-hover);
}

/* --- ANIMACIONS --- */
@keyframes pulseCorrect {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes shakeWrong {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* --- PEU DE PÀGINA RESUMIT I CONTINGUT (APPS-ESCOLARS) --- */
.app-footer {
  margin-top: auto;
  padding: 0.6rem 1rem;
  background-color: var(--footer-bg);
  border-top: 1px solid var(--footer-border);
  text-align: center;
  font-family: var(--font-main);
  font-size: 0.78rem;
  color: var(--footer-text);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.app-footer .footer-content {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.app-footer .cc-badge {
  height: 22px;
  width: auto;
  display: block;
}

.app-footer .footer-legal {
  line-height: 1.4;
}

.app-footer a {
  color: var(--footer-link);
  text-decoration: none;
  font-weight: 600;
}

.app-footer a:hover {
  text-decoration: underline;
}

/* --- ACCESSIBILITAT FOCUS-VISIBLE (WCAG) --- */
button:focus-visible,
input:focus-visible,
a:focus-visible,
[tabindex="0"]:focus-visible {
  outline: 3px solid #3b82f6;
  outline-offset: 2px;
}

/* --- ADAPTABILITAT RESPONSIVE PER A TAULETES I MÒBILS --- */
@media (max-width: 820px) {
  .logo-title p {
    display: none;
  }

  .header-actions {
    gap: 0.45rem;
  }

  .theme-toggle-btn {
    width: 38px;
    height: 38px;
    font-size: 1.15rem;
  }

  .user-badge {
    padding: 0.35rem 0.65rem;
    font-size: 0.85rem;
  }

  .guide-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    overflow-x: visible;
    gap: 0.45rem;
  }

  .guide-tab-btn {
    white-space: normal;
    text-align: center;
    justify-content: center;
    font-size: 0.82rem;
    padding: 0.5rem 0.35rem;
    line-height: 1.25;
  }

  .modal-dialog-flex {
    height: calc(100vh - 1.5rem) !important;
    max-height: calc(100vh - 1.5rem) !important;
    padding: 1rem !important;
  }
}

@media (max-width: 640px) {
  .app-header {
    padding: 0.6rem 0.85rem;
  }

  .header-container {
    flex-direction: row;
    justify-content: space-between;
    gap: 0.5rem;
  }

  .logo-icon {
    font-size: 1.5rem;
    padding: 0.25rem 0.45rem;
  }

  .logo-title h1 {
    font-size: 1.05rem;
  }

  .logo-title p {
    display: none;
  }

  .header-actions {
    gap: 0.35rem;
  }

  .theme-toggle-btn {
    width: 36px;
    height: 36px;
    font-size: 1.05rem;
  }

  .welcome-screen {
    padding: 1.5rem 1rem;
    margin: 1rem auto;
  }

  .lang-selector-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .categories-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .vocab-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .topic-top-bar {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    gap: 0.75rem;
  }

  .tabs-container {
    width: 100%;
  }

  .tab-btn {
    flex: 1;
    justify-content: center;
    font-size: 0.88rem;
    padding: 0.5rem 0.25rem;
  }

  .challenge-options-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .passport-metrics {
    flex-direction: column;
    gap: 0.75rem;
  }

  .modal-actions:not(.modal-footer-pinned) {
    flex-direction: column;
  }

  .modal-actions:not(.modal-footer-pinned) button {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .guide-tabs {
    grid-template-columns: 1fr;
  }

  .modal-footer-pinned {
    flex-direction: column;
    align-items: stretch;
  }

  .modal-footer-pinned > div {
    flex-direction: column;
    width: 100%;
  }

  .modal-footer-pinned button {
    width: 100%;
  }

  .modal-header-pinned {
    flex-direction: column-reverse;
    gap: 0.5rem;
  }

  .modal-header-pinned button {
    align-self: flex-end;
  }
}

/* --- FULL DE FLASHCARDS D'AULA (PANTALLA I IMPRESSIÓ) --- */
.flashcards-sheet {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  width: 100%;
  max-height: 60vh;
  overflow-y: auto;
  padding: 0.5rem;
}

.flashcard-item {
  border: 2px dashed var(--border-color);
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: all 0.2s ease;
}

.flashcard-item:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.flashcard-icon {
  font-size: 3.2rem;
  margin-bottom: 0.4rem;
  line-height: 1;
}

.flashcard-word-ca {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 0.2rem;
}

.flashcard-word-bridge {
  font-size: 1.05rem;
  color: var(--text-muted);
  font-weight: 600;
}

.flashcard-phonetic {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 0.15rem;
}

.flashcard-footer-cut {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px dotted var(--border-color);
  width: 100%;
  padding-top: 0.35rem;
  opacity: 0.8;
}

/* --- GENERADOR DE FITXES D'ACTIVITATS D'AULA IMPRIMIBLES (WORKSHEETS) --- */
.worksheet-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

.worksheet-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--card-subtle-bg);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
}

.worksheet-toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.worksheet-toolbar select {
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.88rem;
  cursor: pointer;
}

.worksheet-btn-toggle {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.worksheet-btn-toggle.active {
  background: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
}

.worksheet-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

/* Full de treball A4 (Simulació fidel a pantalla i paper) */
.worksheet-paper {
  background: #ffffff !important;
  color: #0f172a !important;
  border: 1.5px solid #cbd5e1;
  border-radius: 6px;
  padding: 1.8rem 2.2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  font-family: 'Nunito', system-ui, sans-serif;
  margin: 0 auto;
  max-width: 820px;
  width: 100%;
  box-sizing: border-box;
}

.ws-header {
  border-bottom: 2px solid #0f172a;
  padding-bottom: 0.6rem;
  margin-bottom: 1.1rem;
}

.ws-top-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #475569;
  margin-bottom: 0.5rem;
}

.ws-student-meta {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
}

.ws-field-line {
  border-bottom: 1.5px dotted #64748b;
  display: inline-block;
  min-width: 140px;
  margin-left: 0.3rem;
}

.ws-topic-badge {
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 0.3rem 0.65rem;
  font-size: 0.92rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: #0f172a;
}

/* Seccions d'activitat */
.ws-activity-block {
  margin-bottom: 1.15rem;
  page-break-inside: avoid;
  break-inside: avoid;
}

.ws-activity-title {
  font-size: 0.92rem;
  font-weight: 800;
  color: #0f172a;
  text-transform: uppercase;
  margin-bottom: 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: #f8fafc;
  padding: 0.3rem 0.55rem;
  border-left: 4px solid #2563eb;
  border-radius: 0 4px 4px 0;
}

/* Activitat 1: Unir amb fletxes (Matching) */
.ws-matching-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  position: relative;
  margin-bottom: 0.4rem;
}

.ws-matching-col {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.ws-match-item-left {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1.5px solid #94a3b8;
  border-radius: 8px;
  padding: 0.35rem 0.75rem;
  background: #ffffff;
  height: 44px;
  box-sizing: border-box;
}

.ws-match-icon {
  font-size: 1.7rem;
  line-height: 1;
}

.ws-match-connector {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid #334155;
  background: #ffffff;
  display: inline-block;
}

.ws-match-item-right {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1.5px solid #94a3b8;
  border-radius: 8px;
  padding: 0.35rem 0.75rem;
  background: #ffffff;
  height: 44px;
  box-sizing: border-box;
}

.ws-match-word-ca {
  font-size: 1.12rem;
  font-weight: 800;
  color: #0f172a;
}

.ws-match-word-bridge {
  font-size: 0.8rem;
  color: #64748b;
  font-style: italic;
  margin-left: 0.35rem;
}

/* Activitat 2: Pauta cal·ligràfica */
.ws-calligraphy-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.ws-calligraphy-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.ws-calligraphy-model {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  width: 175px;
  flex-shrink: 0;
  font-size: 1.05rem;
  font-weight: 800;
  color: #0f172a;
}

.ws-calligraphy-model .icon {
  font-size: 1.45rem;
}

.ws-pauta-box {
  flex: 1;
  height: 38px;
  border: 1px solid #94a3b8;
  border-radius: 4px;
  background: #ffffff;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
}

.ws-pauta-line-mid {
  border-top: 1px dashed #cbd5e1;
  width: 100%;
  position: absolute;
  top: 50%;
}

.ws-pauta-line-base {
  border-top: 2px solid #64748b;
  width: 100%;
  position: absolute;
  bottom: 6px;
}

/* Activitat 3: Dibuix i frase */
.ws-draw-container {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 1rem;
  align-items: center;
}

.ws-draw-box {
  border: 2px dashed #94a3b8;
  border-radius: 8px;
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  padding: 0.5rem;
  background: #f8fafc;
}

.ws-sentence-box {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
}

.ws-sentence-pauta {
  border-bottom: 2px solid #334155;
  height: 32px;
  width: 100%;
}

/* Peu del full i autoavaluació */
.ws-footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1.5px solid #cbd5e1;
  padding-top: 0.5rem;
  margin-top: 0.75rem;
  font-size: 0.78rem;
  color: #64748b;
}

.ws-self-eval {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  color: #334155;
}

.ws-eval-option {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.ws-checkbox {
  width: 13px;
  height: 13px;
  border: 1.5px solid #475569;
  border-radius: 2px;
  display: inline-block;
  background: #ffffff;
}

/* --- FITXA DE SOPA DE LLETRES (WORDSEARCH) --- */
.ws-wordsearch-layout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2.2rem;
  align-items: start;
  margin-bottom: 1rem;
}

.ws-grid-table {
  border-collapse: collapse;
  margin: 0 auto;
}

.ws-grid-cell {
  width: 36px;
  height: 36px;
  text-align: center;
  vertical-align: middle;
  border: 1.5px solid #334155;
  font-size: 1.15rem;
  font-weight: 800;
  color: #0f172a;
  background: #ffffff;
}

.ws-words-to-find {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.ws-find-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: #0f172a;
  border-bottom: 1px dotted #cbd5e1;
  padding-bottom: 0.4rem;
}

/* --- ESTILS D'IMPRESSIÓ PER AL PASSAPORT D'APRENENTATGE, FLASHCARDS I FITXES D'AULA --- */
@media print {
  body {
    background: white !important;
    color: black !important;
  }
  body * {
    visibility: hidden;
  }
  .modal-overlay,
  .modal-content,
  .passport-certificate,
  .passport-certificate *,
  .flashcards-sheet,
  .flashcards-sheet *,
  .worksheet-paper,
  .worksheet-paper *,
  .student-report-paper,
  .student-report-paper *,
  .guide-print-sheet,
  .guide-print-sheet * {
    visibility: visible;
  }
  .modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background: transparent;
    padding: 0;
  }
  .modal-content {
    box-shadow: none !important;
    padding: 0 !important;
    border: none !important;
    max-width: 100% !important;
    background: white !important;
    color: black !important;
  }
  .modal-actions,
  .modal-header-pinned,
  .modal-footer-pinned,
  .worksheet-toolbar,
  .students-toolbar,
  .teacher-toolbar,
  .guide-tabs,
  .app-header,
  .app-footer,
  .close-btn {
    display: none !important;
  }
  .worksheet-paper,
  .student-report-paper,
  .guide-print-sheet {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0.5cm 0.7cm !important;
    border: none !important;
    box-shadow: none !important;
    background: white !important;
    color: black !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }
  .worksheet-paper *,
  .student-report-paper *,
  .guide-print-sheet * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
  .flashcards-sheet {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 1.2cm !important;
    max-height: none !important;
    overflow: visible !important;
    padding: 0.5cm !important;
    background: white !important;
  }
  .flashcard-item {
    border: 2px dashed #475569 !important;
    border-radius: 8px !important;
    padding: 1.2cm 0.8cm !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
    background: white !important;
  }
  .flashcard-word-ca {
    font-size: 1.7rem !important;
    color: black !important;
  }
  .flashcard-word-bridge {
    color: #334155 !important;
  }
  .flashcard-footer-cut {
    color: #64748b !important;
    border-top: 1px dotted #94a3b8 !important;
  }
  .passport-certificate {
    border: 3px solid #000 !important;
    background: white !important;
    color: black !important;
    padding: 2cm 1cm;
  }
  .passport-student-name {
    color: black !important;
  }
  .word-badge {
    background: #f1f5f9 !important;
    color: black !important;
    border: 1px solid #cbd5e1 !important;
  }
}

/* --- ESPAI DOCENT (PANEL DE GESTIÓ DE VOCABULARI DE L'ESCOLA) --- */
.teacher-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.teacher-btn-action {
  background: var(--card-subtle-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

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

.teacher-btn-action.primary {
  background: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
}

.teacher-btn-action.primary:hover {
  background: var(--primary-hover);
}

.teacher-form-card {
  background: var(--card-subtle-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  animation: fadeIn 0.25s ease-out;
}

.teacher-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.teacher-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.teacher-form-group label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
}

.teacher-form-group input,
.teacher-form-group select {
  background: var(--input-bg);
  color: var(--input-text);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease;
}

.teacher-form-group input:focus,
.teacher-form-group select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.emoji-pills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.4rem;
}

.emoji-pill {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  font-size: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.emoji-pill:hover {
  transform: scale(1.15);
  border-color: var(--primary-color);
}

.teacher-vocab-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 50vh;
  overflow-y: auto;
  padding-right: 0.3rem;
}

.teacher-vocab-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  gap: 1rem;
  transition: border-color 0.2s ease;
}

.teacher-vocab-item:hover {
  border-color: var(--primary-color);
}

.teacher-vocab-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-grow: 1;
}

.teacher-vocab-icon {
  font-size: 2rem;
  line-height: 1;
}

.teacher-vocab-texts {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.teacher-vocab-ca {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-heading);
}

.teacher-vocab-bridge {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.teacher-vocab-cat-badge {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  align-self: flex-start;
  margin-top: 0.2rem;
}

.teacher-item-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-icon-action {
  background: var(--card-subtle-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.btn-icon-action.danger:hover {
  border-color: #ef4444;
  color: #ef4444;
}

.teacher-empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
}

.teacher-empty-state .icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

/* --- CHIPS D'ALUMNES A LA PANTALLA INICIAL --- */
.students-quick-wrap {
  margin-bottom: 1.5rem;
  background: var(--card-subtle-bg);
  border: 1px solid var(--border-color);
  padding: 1rem;
  border-radius: var(--radius-md);
  text-align: left;
}

.students-quick-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.students-chips-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.student-chip-btn {
  background: var(--card-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 0.45rem 0.9rem;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.student-chip-btn:hover {
  border-color: var(--primary-color);
  background: var(--primary-color);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* --- QUADERN DE SEGUIMENT D'ALUMNES --- */
.students-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  background: var(--card-subtle-bg);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
}

.students-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.student-profile-card {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all 0.2s ease;
  position: relative;
}

.student-profile-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.student-profile-card.active-student {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.04);
}

.student-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.student-card-avatar {
  font-size: 2.2rem;
  background: var(--card-subtle-bg);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--border-color);
  flex-shrink: 0;
}

.student-card-meta h4 {
  font-size: 1.15rem;
  color: var(--text-heading);
  margin-bottom: 0.15rem;
}

.student-card-meta span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.progress-bar-wrap {
  width: 100%;
  height: 8px;
  background: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.25rem;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981, #059669);
  border-radius: 4px;
  transition: width 0.4s ease;
}

.student-card-stats {
  font-size: 0.85rem;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  margin-top: 0.25rem;
}

.student-card-actions {
  display: flex;
  gap: 0.4rem;
  margin-top: auto;
  flex-wrap: wrap;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-color);
}

/* --- INFORME D'ACOLLIDA FORMATIU PER A LA FAMÍLIA I LA CAD --- */
.student-report-paper {
  background: #ffffff !important;
  color: #0f172a !important;
  border: 2px solid #334155;
  border-radius: 8px;
  padding: 2.2rem 2.5rem;
  font-family: 'Nunito', system-ui, sans-serif;
  margin: 0 auto;
  max-width: 820px;
  width: 100%;
  box-sizing: border-box;
}

.report-header {
  border-bottom: 2px solid #0f172a;
  padding-bottom: 0.85rem;
  margin-bottom: 1.25rem;
  text-align: center;
}

.report-header h2 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}

.report-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
  background: #f8fafc;
  padding: 1rem 1.25rem;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
}

.report-family-message {
  background: #eff6ff;
  border-left: 4px solid #2563eb;
  padding: 1rem 1.25rem;
  border-radius: 0 6px 6px 0;
  margin-bottom: 1.25rem;
  color: #1e3a8a;
  font-size: 0.95rem;
  line-height: 1.5;
}

.report-signature-row {
  display: flex;
  justify-content: space-between;
  margin-top: 2.5rem;
  padding-top: 1rem;
}

.report-sig-box {
  width: 220px;
  border-top: 1px dotted #475569;
  text-align: center;
  font-size: 0.85rem;
  color: #475569;
  padding-top: 0.5rem;
}

/* --- GUIA DOCENT I ORIENTACIONS PEDAGÒGIQUES --- */
.guide-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.guide-tabs {
  flex-shrink: 0;
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.55rem;
  margin-bottom: 0.75rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.guide-tab-btn {
  background: var(--card-subtle-bg);
  border: 1px solid var(--border-color);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-muted);
  padding: 0.5rem 0.85rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.guide-tab-btn:hover {
  color: var(--primary-color);
  border-color: var(--primary-color);
  background: var(--badge-bg);
}

.guide-tab-btn.active {
  color: #ffffff;
  background: var(--primary-color);
  border-color: var(--primary-color);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
}

.guide-content-area {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 0.5rem 0.5rem 0.5rem 0.1rem;
  line-height: 1.6;
  scrollbar-width: thin;
}

.guide-section h3 {
  font-size: 1.25rem;
  color: var(--text-heading);
  margin-bottom: 0.75rem;
  border-left: 4px solid var(--primary-color);
  padding-left: 0.6rem;
}

.guide-section p {
  margin-bottom: 0.9rem;
  color: var(--text-main);
  font-size: 0.95rem;
}

.guide-callout {
  background: var(--card-subtle-bg);
  border: 1px solid var(--border-color);
  border-left: 4px solid #f59e0b;
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.25rem 0;
  font-size: 0.92rem;
}

.guide-grid-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.guide-feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.guide-feature-card h4 {
  font-size: 1rem;
  color: var(--text-heading);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.guide-feature-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}