/* Interfaccia progressiva comune alle lezioni della PWA di Alfieri. */
body.focus-prototype .reading-tools,
body.focus-prototype .study-actions > button[data-font],
body.focus-prototype .study-bottombar > button[data-learning-panel],
body.focus-prototype .notebook-actions {
  display: none;
}

body.focus-prototype .study-actions {
  align-items: center;
}

.focus-font-control {
  position: relative;
}

.focus-font-trigger {
  min-width: 44px;
  font-size: 1rem !important;
}

.focus-font-popover {
  position: absolute;
  top: calc(100% + 0.45rem);
  right: 0;
  z-index: 70;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  width: 13.5rem;
  padding: 0.55rem;
  border: 1px solid var(--gold);
  border-radius: 0.55rem;
  background: rgba(6, 29, 47, 0.99);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.32);
}

.focus-font-popover button {
  min-height: 44px;
  padding: 0.55rem;
  border: 1px solid rgba(201, 145, 69, 0.72);
  border-radius: 0.42rem;
  color: var(--paper-2);
  background: #0b2e47;
  font: 700 0.82rem/1.15 Georgia, "Times New Roman", serif;
}

body.focus-prototype .lesson-shell {
  grid-template-columns: minmax(0, 2.35fr) minmax(330px, 0.95fr);
  gap: 0.9rem;
}

body.focus-prototype .lesson-article {
  scroll-padding-top: 1.5rem;
}

body.focus-prototype .lesson-reading h2 {
  scroll-margin-top: 1.5rem;
}

body.focus-prototype .lesson-sidebar {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0;
  border: 1px solid var(--gold);
  border-radius: 0.6rem;
  background: rgba(6, 29, 47, 0.96);
  box-shadow: var(--shadow);
}

.focus-panel-tabs {
  position: relative;
  z-index: 6;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.3rem;
  padding: 0.42rem;
  border-bottom: 1px solid rgba(201, 145, 69, 0.42);
  background: rgba(6, 29, 47, 0.99);
}

.focus-panel-tabs button {
  min-height: 44px;
  padding: 0.55rem 0.65rem;
  border: 1px solid transparent;
  border-radius: 0.42rem;
  color: #eed2a2;
  background: transparent;
  font: 700 0.9rem/1.1 Georgia, "Times New Roman", serif;
  cursor: pointer;
}

.focus-panel-tabs button[aria-selected="true"] {
  color: var(--ink);
  border-color: var(--gold);
  background: linear-gradient(180deg, var(--paper-2), #e9c98d);
}

body.focus-prototype .visual-context-pane,
body.focus-prototype .notebook-pane {
  height: 100%;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

body.focus-prototype .lesson-sidebar[data-focus-panel="visual"] .notebook-pane,
body.focus-prototype .lesson-sidebar[data-focus-panel="notes"] .visual-context-pane {
  display: none;
}

body.focus-prototype .workspace-panel-header {
  padding: 0.72rem 0.82rem;
}

body.focus-prototype .workspace-panel-header > p {
  margin: 0 0 0.15rem;
  color: #eed2a2;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

body.focus-prototype .panel-scroll-hint {
  display: none !important;
}

body.focus-prototype .map-button {
  position: relative;
  overflow: hidden;
}

body.focus-prototype .map-button::after {
  position: absolute;
  right: 0.55rem;
  bottom: 0.55rem;
  content: "Apri e ingrandisci";
  padding: 0.42rem 0.55rem;
  border: 1px solid rgba(255, 246, 223, 0.75);
  border-radius: 999px;
  color: var(--paper-2);
  background: rgba(6, 29, 47, 0.9);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.28);
  font: 700 0.7rem/1 Georgia, "Times New Roman", serif;
  pointer-events: none;
}

.focus-selection-tools {
  position: fixed;
  left: 50%;
  bottom: calc(var(--study-dock-height) + 0.75rem);
  z-index: 60;
  display: flex;
  gap: 0.4rem;
  padding: 0.42rem;
  border: 1px solid var(--gold);
  border-radius: 0.6rem;
  background: rgba(6, 29, 47, 0.98);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.34);
  transform: translateX(-50%);
}

.focus-selection-tools button {
  min-height: 44px;
  padding: 0.62rem 0.78rem;
  border: 1px solid rgba(201, 145, 69, 0.72);
  border-radius: 0.42rem;
  color: var(--ink);
  background: linear-gradient(180deg, var(--paper-2), #e9c98d);
  font: 700 0.82rem/1.1 Georgia, "Times New Roman", serif;
  cursor: pointer;
}

.focus-note-tools {
  position: sticky;
  bottom: -0.8rem;
  z-index: 5;
  margin: 0.8rem -0.72rem -0.8rem;
  padding: 0.58rem 0.72rem calc(0.58rem + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(95, 82, 63, 0.28);
  background: rgba(243, 228, 199, 0.98);
}

.focus-note-tools summary {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(95, 82, 63, 0.38);
  border-radius: 0.42rem;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.48);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.focus-note-tools summary::-webkit-details-marker {
  display: none;
}

.focus-note-menu {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.42rem;
  margin-top: 0.5rem;
}

.focus-note-menu button {
  min-height: 44px;
  padding: 0.55rem;
  border: 1px solid rgba(95, 82, 63, 0.38);
  border-radius: 0.42rem;
  color: var(--paper-2);
  background: var(--ink);
  font: 700 0.76rem/1.15 Georgia, "Times New Roman", serif;
  cursor: pointer;
}

.focus-note-menu button.danger {
  background: #612114;
}

.focus-note-menu button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

body.focus-prototype .study-bottombar {
  grid-template-columns: minmax(9rem, 1fr) auto;
}

.focus-dock-actions {
  display: grid;
  grid-template-columns: auto;
  gap: 0.4rem;
}

.focus-dock-actions button {
  min-width: 11rem;
}

.focus-mobile-panel-button {
  display: none;
}

.focus-learning-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.42rem;
  margin-top: 0.85rem;
}

.focus-learning-tabs button {
  min-height: 44px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.42);
}

.focus-learning-tabs button[aria-selected="true"] {
  color: var(--paper-2);
  background: var(--ink);
}

@media (max-width: 1080px) and (min-width: 821px) {
  body.focus-prototype .lesson-shell {
    grid-template-columns: minmax(0, 2fr) minmax(310px, 0.9fr);
  }
}

@media (max-width: 820px) {
  body.focus-prototype .study-topbar {
    padding-bottom: 0.5rem;
  }

  body.focus-prototype .mobile-study-tabs,
  body.focus-prototype .focus-panel-tabs {
    display: none;
  }

  body.focus-prototype .lesson-shell {
    display: block;
  }

  body.focus-prototype .lesson-sidebar {
    grid-template-rows: minmax(0, 1fr);
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  body.focus-prototype[data-mobile-panel="read"] .lesson-sidebar,
  body.focus-prototype[data-mobile-panel="visual"] .lesson-article,
  body.focus-prototype[data-mobile-panel="notes"] .lesson-article {
    display: none;
  }

  body.focus-prototype[data-mobile-panel="visual"] .lesson-sidebar,
  body.focus-prototype[data-mobile-panel="notes"] .lesson-sidebar {
    display: grid;
  }

  body.focus-prototype[data-mobile-panel="visual"] .notebook-pane,
  body.focus-prototype[data-mobile-panel="notes"] .visual-context-pane {
    display: none;
  }

  body.focus-prototype[data-mobile-panel="visual"] .visual-context-pane,
  body.focus-prototype[data-mobile-panel="notes"] .notebook-pane {
    display: grid;
  }

  body.focus-prototype[data-mobile-panel="notes"] .notebook-pane {
    display: block;
  }

  body.focus-prototype .study-bottombar {
    grid-template-columns: 1fr;
    padding: 0.42rem max(0.42rem, env(safe-area-inset-right)) calc(0.42rem + env(safe-area-inset-bottom)) max(0.42rem, env(safe-area-inset-left));
  }

  body.focus-prototype .reading-progress {
    display: none;
  }

  .focus-dock-actions {
    grid-template-columns: repeat(3, 1fr);
  }

  .focus-dock-actions button,
  .focus-mobile-panel-button {
    display: block;
    min-width: 0;
    padding: 0.55rem 0.35rem;
    font-size: 0.76rem;
  }

  .focus-dock-actions button[aria-pressed="true"] {
    color: var(--paper-2);
    background: #0b2e47;
  }

  .focus-selection-tools {
    right: 0.45rem;
    bottom: calc(var(--study-dock-height) + 0.5rem);
    left: 0.45rem;
    justify-content: stretch;
    transform: none;
  }

  .focus-selection-tools button {
    flex: 1 1 0;
    padding-right: 0.45rem;
    padding-left: 0.45rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 520px) {
  .focus-font-popover {
    right: -3.3rem;
    width: 12.5rem;
  }

  .focus-learning-tabs {
    grid-template-columns: 1fr;
  }

  .focus-note-menu {
    grid-template-columns: 1fr;
  }
}