/* Fire Of London: dialogs (#modal-root), the tutorial coach (#tutorial-root) and the .tutorial-target ring. */

/* Layers. The roots are zero-size fixed boxes, so when empty they never block clicks. */
#modal-root,
#tutorial-root {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
}

#tutorial-root {
  z-index: 90;
}

#modal-root {
  z-index: 100;
}

#modal-root *,
#modal-root *::before,
#modal-root *::after,
#tutorial-root *,
#tutorial-root *::before,
#tutorial-root *::after {
  box-sizing: border-box;
}

#modal-root [hidden],
#tutorial-root [hidden] {
  display: none !important;
}

#modal-root .visually-hidden,
#tutorial-root .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Backdrop and dialog frame. */
#modal-root .dialog-backdrop {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(43, 29, 14, 0.62);
}

#modal-root .dialog {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 36rem;
  max-height: calc(100vh - 2rem);
  max-height: calc(100dvh - 2rem);
  overflow: hidden;
  color: var(--ink, #2b1d0e);
  background-color: var(--parchment, #f3e7c9);
  background-image:
    radial-gradient(ellipse at 15% 0%, rgba(255, 255, 255, 0.4), transparent 55%),
    radial-gradient(ellipse at 100% 100%, rgba(139, 46, 22, 0.1), transparent 60%);
  border: 6px double var(--ink, #2b1d0e);
  border-radius: var(--radius, 6px);
  box-shadow:
    inset 0 0 0 4px var(--parchment, #f3e7c9),
    inset 0 0 0 5px var(--ink-soft, #5a4632),
    var(--shadow, 0 2px 8px rgba(43, 29, 14, 0.35));
  font-family: var(--serif, 'Iowan Old Style', 'Palatino Linotype', Palatino, 'Book Antiqua', Georgia, 'Times New Roman', serif);
  font-size: 1.05rem;
  line-height: 1.5;
}

#modal-root .dialog:focus {
  outline: none;
}

#modal-root .dialog-header {
  padding: 1.25rem 1.5rem 0;
}

#modal-root .dialog-kicker,
#modal-root .card-when {
  margin: 0 0 0.15rem;
  color: var(--accent, #8b2e16);
  font-variant: small-caps;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
}

#modal-root .dialog-title {
  margin: 0;
  font-size: 1.6rem;
  line-height: 1.15;
  font-weight: 700;
}

/* The inked rule: a double line with a small woodcut flame at its middle. */
#modal-root .ink-rule {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0.6rem 1.5rem 0;
}

#modal-root .ink-rule::before,
#modal-root .ink-rule::after {
  content: '';
  flex: 1;
  height: 3px;
  border-top: 1px solid var(--ink, #2b1d0e);
  border-bottom: 2px solid var(--ink, #2b1d0e);
}

#modal-root .woodcut-flame {
  flex: none;
  width: 18px;
  height: 24px;
}

#modal-root .flame-outer {
  fill: var(--fire-3, #d55e00);
  stroke: var(--ink, #2b1d0e);
  stroke-width: 1.2;
}

#modal-root .flame-inner {
  fill: var(--fire-1, #f0e442);
  stroke: var(--ink, #2b1d0e);
  stroke-width: 0.8;
}

#modal-root .flame-hatch {
  fill: none;
  stroke: var(--ink, #2b1d0e);
  stroke-width: 1;
  stroke-linecap: round;
}

#modal-root .dialog-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 0.75rem 1.5rem 1rem;
}

#modal-root .dialog-body > :first-child {
  margin-top: 0;
}

#modal-root .dialog-body h3 {
  margin: 1.25rem 0 0.4rem;
  font-size: 1.15rem;
}

#modal-root .dialog-body h4 {
  margin: 0 0 0.2rem;
  font-size: 1.05rem;
}

#modal-root .dialog-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem 1.25rem;
  border-top: 1px solid rgba(43, 29, 14, 0.25);
}

#modal-root .card-count {
  margin: 0 auto 0 0;
  color: var(--ink-soft, #5a4632);
  font-variant: small-caps;
  letter-spacing: 0.06em;
}

/* Buttons: builds on .btn and .btn-primary from styles.css, scoped so dialogs look right on their own. */
#modal-root .btn,
#tutorial-root .btn {
  min-height: 2.75rem;
  padding: 0.5rem 1.1rem;
  color: var(--ink, #2b1d0e);
  background: var(--parchment-dark, #e4d3a8);
  border: 2px solid var(--ink, #2b1d0e);
  border-radius: var(--radius, 6px);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

#modal-root .btn:hover,
#tutorial-root .btn:hover {
  background: #d8c38f;
}

#modal-root .btn-primary,
#tutorial-root .btn-primary {
  color: var(--parchment, #f3e7c9);
  background: var(--accent, #8b2e16);
}

#modal-root .btn-primary:hover,
#tutorial-root .btn-primary:hover {
  background: #6f2411;
}

#modal-root :focus-visible,
#tutorial-root :focus-visible {
  outline: 3px solid var(--focus, #0072b2);
  outline-offset: 2px;
}

#modal-root .dialog-body:focus-visible {
  outline-offset: -3px;
}

/* Learn more toggles. The arrow turns, so the state is not shown by colour alone. */
#modal-root .learn-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2.75rem;
  padding: 0 0.25rem;
  color: var(--accent, #8b2e16);
  background: none;
  border: 0;
  font: inherit;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  cursor: pointer;
}

#modal-root .learn-toggle::before {
  content: '\25B8';
  display: inline-block;
  text-decoration: none;
}

#modal-root .learn-toggle[aria-expanded='true']::before {
  content: '\25BE';
}

#modal-root .learn-more {
  margin: 0 0 0.5rem;
  padding: 0.5rem 0.75rem;
  border-left: 3px solid var(--ink-soft, #5a4632);
  background: rgba(255, 255, 255, 0.35);
}

/* Start menu and quiz choices. */
#modal-root .start-intro {
  font-size: 1.1rem;
}

#modal-root .start-continue-row {
  margin: 0.75rem 0;
}

#modal-root .start-or {
  margin: 0.75rem 0 0;
  color: var(--ink-soft, #5a4632);
}

#modal-root .choice-group {
  margin: 0.75rem 0 0;
  padding: 0;
  border: 0;
}

#modal-root .choice-group legend {
  margin-bottom: 0.4rem;
  padding: 0;
  font-weight: 700;
}

#modal-root .choice {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0 0.6rem;
  margin-bottom: 0.4rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid rgba(43, 29, 14, 0.35);
  border-radius: var(--radius, 6px);
  background: rgba(255, 255, 255, 0.25);
}

#modal-root .choice:has(input:checked) {
  border-color: var(--ink, #2b1d0e);
  box-shadow: inset 4px 0 0 var(--accent, #8b2e16);
  background: rgba(255, 255, 255, 0.5);
}

#modal-root .choice input,
#modal-root .check input {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  accent-color: var(--accent, #8b2e16);
}

#modal-root .choice label,
#modal-root .check label {
  padding: 0.35rem 0;
  font-weight: 600;
  cursor: pointer;
}

#modal-root .choice-desc {
  grid-column: 2 / -1;
  margin: 0;
  color: var(--ink-soft, #5a4632);
  font-size: 0.95rem;
}

#modal-root .check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

#modal-root .choice.is-right {
  border: 2px solid var(--guard, #009e73);
  background: rgba(0, 158, 115, 0.12);
}

#modal-root .choice.is-wrong {
  border: 2px dashed var(--accent, #8b2e16);
  background: rgba(139, 46, 22, 0.08);
}

#modal-root .choice-mark {
  font-size: 0.9rem;
  font-weight: 700;
  font-variant: small-caps;
}

#modal-root .quiz-question {
  font-size: 1.1rem;
}

#modal-root .quiz-feedback {
  min-height: 1.5em;
  margin: 0.75rem 0 0;
  font-weight: 600;
}

#modal-root .quiz-verdict {
  font-size: 1.1rem;
}

/* Chronicle. */
#modal-root .chronicle-summary {
  font-style: italic;
}

#modal-root .chronicle-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

#modal-root .chronicle-card {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(43, 29, 14, 0.2);
}

#modal-root .chronicle-card .card-title {
  margin: 0 0 0.2rem;
}

#modal-root .chronicle-card .card-text {
  margin: 0;
}

#modal-root .sources {
  margin: 0;
  padding-left: 1.1rem;
}

#modal-root .source {
  margin-bottom: 0.5rem;
}

#modal-root .source-title,
#modal-root .source-meta,
#modal-root .source-note {
  display: block;
}

#modal-root .source-meta {
  color: var(--ink-soft, #5a4632);
  font-variant: small-caps;
}

#modal-root .source-note {
  font-size: 0.95rem;
}

/* Debrief. */
#modal-root .debrief-rating {
  font-size: 1.1rem;
  font-weight: 600;
}

#modal-root .debrief-table {
  width: 100%;
  margin: 1rem 0;
  border-collapse: collapse;
  font-size: 0.95rem;
}

#modal-root .debrief-table caption {
  padding-bottom: 0.4rem;
  text-align: left;
  font-weight: 700;
  font-variant: small-caps;
  letter-spacing: 0.04em;
}

#modal-root .debrief-table th,
#modal-root .debrief-table td {
  padding: 0.45rem 0.5rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(43, 29, 14, 0.25);
}

#modal-root .debrief-table thead th {
  border-bottom: 2px solid var(--ink, #2b1d0e);
}

#modal-root .debrief-table tbody th {
  font-weight: 600;
}

#modal-root .landmark-lists {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0 1.5rem;
}

#modal-root .landmark-list ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

#modal-root .landmark-list--saved li::before {
  content: '\2714\00a0';
  color: var(--guard, #009e73);
}

#modal-root .landmark-list--lost li::before {
  content: '\2718\00a0';
  color: var(--accent, #8b2e16);
}

#modal-root .end-card {
  margin-bottom: 0.75rem;
}

#modal-root .end-card p {
  margin: 0;
}

/* Tutorial coach bubble: sits beside its target, or at the top of the screen. */
#tutorial-root .coach {
  position: fixed;
  width: min(21rem, calc(100vw - 1rem));
  padding: 0.85rem 1rem 1rem;
  color: var(--ink, #2b1d0e);
  background: var(--parchment, #f3e7c9);
  border: 4px double var(--ink, #2b1d0e);
  border-radius: var(--radius, 6px);
  box-shadow: var(--shadow, 0 2px 8px rgba(43, 29, 14, 0.35));
  font-family: var(--serif, 'Iowan Old Style', 'Palatino Linotype', Palatino, 'Book Antiqua', Georgia, 'Times New Roman', serif);
  line-height: 1.45;
  transition: top 0.2s ease, left 0.2s ease;
}

#tutorial-root .coach:focus {
  outline: none;
}

#tutorial-root .coach[data-placement='top'] {
  top: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
}

#tutorial-root .coach-count {
  margin: 0;
  color: var(--accent, #8b2e16);
  font-variant: small-caps;
  letter-spacing: 0.06em;
  font-size: 0.9rem;
}

#tutorial-root .coach-title {
  margin: 0 0 0.3rem;
  font-size: 1.2rem;
  line-height: 1.2;
}

#tutorial-root .coach-text {
  margin: 0;
}

#tutorial-root .coach-hint {
  margin: 0.5rem 0 0;
  color: var(--ink-soft, #5a4632);
  font-style: italic;
}

#tutorial-root .coach-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

/* The tutorial highlight: a focus-blue ring with an ember glow, so the shape changes as well as the colour. */
.tutorial-target {
  outline: 3px solid var(--focus, #0072b2) !important;
  outline-offset: 3px !important;
  box-shadow:
    0 0 0 7px rgba(0, 114, 178, 0.25),
    0 0 16px 8px rgba(240, 228, 66, 0.55);
  animation: tutorial-glow 1.6s ease-in-out infinite;
}

@keyframes tutorial-glow {
  0%,
  100% {
    box-shadow:
      0 0 0 7px rgba(0, 114, 178, 0.25),
      0 0 16px 8px rgba(240, 228, 66, 0.55);
  }

  50% {
    box-shadow:
      0 0 0 10px rgba(0, 114, 178, 0.18),
      0 0 24px 12px rgba(240, 228, 66, 0.35);
  }
}

#modal-root .is-animated.dialog-backdrop {
  animation: dialog-fade 160ms ease-out;
}

#modal-root .is-animated.dialog {
  animation: dialog-rise 200ms ease-out;
}

@keyframes dialog-fade {
  from {
    opacity: 0;
  }
}

@keyframes dialog-rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
}

/* Phones: dialogs fill the width and scroll inside. */
@media (max-width: 480px) {
  #modal-root .dialog-backdrop {
    align-items: flex-end;
    padding: 0;
  }

  #modal-root .dialog {
    max-width: none;
    max-height: 100vh;
    max-height: 100dvh;
    border-width: 4px;
    border-radius: 0;
    font-size: 1rem;
  }

  #modal-root .dialog-header {
    padding: 1rem 1rem 0;
  }

  #modal-root .ink-rule {
    margin: 0.5rem 1rem 0;
  }

  #modal-root .dialog-body {
    padding: 0.75rem 1rem;
  }

  #modal-root .dialog-footer {
    padding: 0.75rem 1rem 1rem;
  }

  #modal-root .dialog-footer .btn {
    flex: 1 1 auto;
  }

  #modal-root .dialog-title {
    font-size: 1.35rem;
  }

  #modal-root .debrief-table th,
  #modal-root .debrief-table td {
    padding: 0.4rem 0.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  #modal-root *,
  #modal-root *::before,
  #modal-root *::after,
  #tutorial-root *,
  #tutorial-root *::before,
  #tutorial-root *::after,
  .tutorial-target {
    animation: none !important;
    transition: none !important;
  }
}