/* =====================================================
   GAUDÍ MOSAIC — Modals, contingut educatiu i responsive
   ===================================================== */

/* --- Modal genèric --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(28,25,20,0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.modal-overlay.active { opacity: 1; }

.modal {
  background: rgba(28,25,20,0.98);
  border: 1px solid rgba(212,168,67,0.2);
  border-radius: 6px;
  width: 90vw;
  max-width: 700px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-deep);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}
.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(212,168,67,0.1);
}
.modal-title {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  color: var(--gaudi-gold);
}
.modal-close {
  background: none;
  border: none;
  color: rgba(245,236,215,0.55);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--gaudi-cream); }

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

/* --- Contingut educatiu --- */
.edu-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.edu-nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.edu-nav-btn {
  flex: 1;
  min-width: 100px;
  padding: 10px 12px;
  background: rgba(212,168,67,0.06);
  border: 1px solid rgba(212,168,67,0.12);
  color: rgba(245,236,215,0.5);
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.2s;
  text-align: center;
}
.edu-nav-btn:hover {
  background: rgba(212,168,67,0.12);
  color: var(--gaudi-cream);
}
.edu-nav-btn.active {
  background: rgba(212,168,67,0.15);
  border-color: var(--gaudi-gold);
  color: var(--gaudi-gold);
}
.edu-nav-icon {
  margin-right: 4px;
}

.edu-content {
  min-height: 200px;
}

.edu-intro {
  margin-bottom: 20px;
}
.edu-intro h3 {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  color: var(--gaudi-cream);
  margin-bottom: 4px;
}
.edu-subtitle {
  font-size: 13px;
  color: var(--gaudi-gold);
  margin-bottom: 12px;
}
.edu-text {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245,236,215,0.7);
}

/* Timeline */
.edu-timeline {
  position: relative;
  padding-left: 20px;
}
.edu-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--gaudi-gold), rgba(212,168,67,0.1));
}

.timeline-item {
  position: relative;
  padding: 0 0 24px 24px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gaudi-gold);
  border: 2px solid var(--gaudi-dark);
}

.timeline-year {
  font-family: 'Playfair Display', serif;
  font-size: 16px;
  color: var(--gaudi-gold);
  font-weight: 700;
  margin-bottom: 4px;
}
.timeline-content h4 {
  font-size: 14px;
  color: var(--gaudi-cream);
  margin-bottom: 4px;
}
.timeline-content p {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(245,236,215,0.6);
}
.timeline-quote {
  margin-top: 8px;
  padding: 8px 12px;
  border-left: 3px solid var(--gaudi-gold);
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 13px;
  color: var(--gaudi-gold);
  background: rgba(212,168,67,0.05);
}

/* Cards */
.edu-card {
  display: flex;
  gap: 12px;
  padding: 14px;
  background: rgba(212,168,67,0.04);
  border: 1px solid rgba(212,168,67,0.08);
  border-radius: 4px;
  margin-bottom: 10px;
  transition: background 0.2s;
}
.edu-card:hover {
  background: rgba(212,168,67,0.08);
}
.edu-card-icon {
  font-size: 24px;
  flex-shrink: 0;
  width: 36px;
  text-align: center;
}
.edu-card-content h4 {
  font-size: 14px;
  color: var(--gaudi-cream);
  margin-bottom: 4px;
}
.edu-card-content p {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(245,236,215,0.6);
}

/* Grid d'exemples */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}
.edu-example {
  padding: 12px;
  background: rgba(212,168,67,0.04);
  border: 1px solid rgba(212,168,67,0.08);
  border-radius: 4px;
}
.edu-example h4 {
  font-size: 12px;
  color: var(--gaudi-gold);
  margin-bottom: 4px;
}
.edu-example p {
  font-size: 12px;
  line-height: 1.5;
  color: rgba(245,236,215,0.55);
}

.edu-quote {
  padding: 16px 20px;
  border-left: 3px solid var(--gaudi-gold);
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 15px;
  color: var(--gaudi-gold);
  background: rgba(212,168,67,0.05);
  border-radius: 0 4px 4px 0;
  margin-top: 16px;
}

/* Curiositats */
.edu-curiosities {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.curiosity-item {
  display: flex;
  gap: 10px;
  padding: 10px;
  background: rgba(212,168,67,0.03);
  border-radius: 3px;
}
.curiosity-bullet {
  color: var(--gaudi-gold);
  font-size: 10px;
  flex-shrink: 0;
  margin-top: 2px;
}
.curiosity-item p {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(245,236,215,0.6);
}

.edu-divider {
  border: none;
  height: 1px;
  background: rgba(212,168,67,0.1);
  margin: 16px 0;
}

.edu-cites-title {
  font-family: 'Playfair Display', serif;
  font-size: 16px;
  color: var(--gaudi-gold);
  margin-bottom: 12px;
}

.edu-quotes-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.edu-quote-item {
  padding: 10px 14px;
  border-left: 2px solid rgba(212,168,67,0.3);
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 13px;
  color: rgba(245,236,215,0.6);
  line-height: 1.5;
}

/* --- NAVEGACIÓ MÒBIL (BOTTOM TABS) --- */
.mobile-nav {
  display: none; /* Només visible en mòbil */
}
.mobile-tools-view {
  display: none; /* Només visible en mòbil */
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .panel { width: 200px; }
  .splash h1 { font-size: 28px; }
  .fragments-tray { max-width: 90vw; }

  .modal {
    width: 95vw;
    max-height: 90vh;
  }
  .edu-grid {
    grid-template-columns: 1fr;
  }
  .edu-nav-btn { min-width: 70px; padding: 8px 8px; font-size: 11px; }

  /* Dropdowns dins del viewport */
  .control-select {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  /* ===== LAYOUT MÒBIL AMB PESTANYES ===== */

  /* Navegació inferior fixa */
  .mobile-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 150;
    background: rgba(28,25,20,0.98);
    border-top: 1px solid rgba(212,168,67,0.3);
    padding: 6px 0 0 0;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
    backdrop-filter: blur(10px);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
  }
  .mobile-nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 4px 6px;
    min-height: 50px;
    background: none;
    border: none;
    color: rgba(245,236,215,0.55);
    font-family: 'DM Sans', sans-serif;
    cursor: pointer;
    transition: color 0.2s;
    justify-content: center;
  }
  .mobile-nav-btn.active {
    color: var(--gaudi-gold);
  }
  .mobile-nav-icon {
    font-size: 24px;
    line-height: 1;
  }
  .mobile-nav-label {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.3px;
  }

  /* Amagar toolbar desktop i mobile-toggle antic */
  .toolbar {
    display: none !important;
  }
  .mobile-toggle {
    display: none !important;
  }
  .mobile-backdrop {
    display: none !important;
  }

  /* Capçalera mòbil: només logo + botó ❓ */
  .header {
    padding: 8px 12px;
    gap: 4px;
  }
  .header-brand { font-size: 15px; }
  .header-sep { display: none; }
  .header-actions { gap: 4px; }
  /* Amagar tots els botons excepte Gaudí */
  .header-btn { display: none; }
  .header-btn.edu { display: inline-flex; }

  /* Workspace ocupa tot l'espai disponible, amb marge per la nav inferior */
  .workspace {
    position: relative;
    flex: 1;
    overflow: hidden;
    margin-bottom: calc(62px + env(safe-area-inset-bottom, 0px));
  }

  /* Panell lateral ocupa tot en mòbil */
  .panel {
    position: absolute;
    inset: 0;
    width: 100% !important;
    z-index: 10;
    border-right: none;
    transition: none;
  }

  /* Panel tabs adaptat per mòbil */
  .panel-tabs {
    padding: 0 4px;
  }
  .panel-tab {
    padding: 8px 4px;
    font-size: 10px;
  }

  /* Àrea del llenç ocupa tot */
  .canvas-area {
    position: absolute;
    inset: 0;
    z-index: 10;
  }

  /* Per defecte, tot amagat excepte la vista activa */
  .panel {
    display: none;
  }
  .canvas-area {
    display: none;
  }

  /* Vista activa mòbil */
  .panel.mobile-view-active {
    display: flex !important;
  }
  .canvas-area.mobile-view-active {
    display: block !important;
  }

  /* Vista d'eines mòbil */
  .mobile-tools-view {
    position: absolute;
    inset: 0;
    z-index: 10;
    background: rgba(28,25,20,0.97);
    display: none;
    flex-direction: column;
    padding: 16px;
    overflow-y: auto;
  }
  .mobile-tools-view.mobile-view-active {
    display: flex !important;
  }
  .mobile-tools-section {
    margin-bottom: 20px;
  }
  .mobile-tools-title {
    font-family: 'Playfair Display', serif;
    font-size: 13px;
    color: var(--gaudi-gold);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(212,168,67,0.1);
  }
  .mobile-tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }
  .mobile-tool-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 8px;
    background: rgba(212,168,67,0.06);
    border: 1px solid rgba(212,168,67,0.12);
    border-radius: 4px;
    color: var(--gaudi-cream);
    font-family: 'DM Sans', sans-serif;
    font-size: 10px;
    cursor: pointer;
    transition: all 0.2s;
  }
  .mobile-tool-btn:hover,
  .mobile-tool-btn.active {
    background: rgba(212,168,67,0.15);
    border-color: var(--gaudi-gold);
    color: var(--gaudi-gold);
  }
  .mobile-tool-btn .tool-icon {
    font-size: 20px;
  }

  /* Controls de rejunt en mòbil */
  .mobile-grout-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
  }

  /* Botons de fons en mòbil */
  .mobile-bg-grid {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
  }
  .mobile-bg-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid rgba(212,168,67,0.2);
    cursor: pointer;
    transition: all 0.2s;
  }
  .mobile-bg-btn:hover,
  .mobile-bg-btn.active {
    border-color: var(--gaudi-gold);
    box-shadow: 0 0 8px rgba(212,168,67,0.3);
  }

  /* Fragments tray adaptada — per sobre de la nav inferior */
  .fragments-tray {
    bottom: 12px;
    max-width: 95vw;
    padding: 8px 12px;
    z-index: 60;
  }
  .tray-label { display: none; }
  .fragment-thumb { width: 42px; height: 42px; }

  /* Breakzone adaptat */
  .break-canvas-wrap {
    max-width: 85vw;
  }
  .break-instruction { font-size: 16px; padding: 0 12px; }

  /* Modals */
  .modal-title { font-size: 18px; }
  .timeline-item { padding-left: 16px; }

  /* Selects dins del viewport */
  select {
    max-width: 100%;
  }
}