/* Stratica Prep mini practice set. Everything is namespaced .ms / .ms-* so it cannot collide with index.html.
   Uses the page's CSS variables (light and dark via :root[data-theme="dark"]) with plain fallbacks. */

.ms {
  --ms-paper: var(--paper, #F6F3F9);
  --ms-card: var(--card, #FFFFFF);
  --ms-ink: var(--ink, #1B2733);
  --ms-muted: var(--muted, #55616D);
  --ms-line: var(--line, #DDD9CF);
  --ms-accent: var(--accent, #5A2D9C);
  --ms-accent-ink: var(--accent-ink, #FFFFFF);
  --ms-accent-soft: var(--accent-soft, #EBE6F3);
  --ms-accent-hover: var(--accent-hover, #4D2685);
  --ms-warn: var(--warn, #9A3412);
  --ms-field: var(--field, #FFFFFF);
  --ms-field-line: var(--field-line, #B9B4A8);
  --ms-ok: var(--ok, #17835A);
  --ms-ok-bg: var(--ok-bg, rgba(31,157,107,.12));
  --ms-bad: var(--bad, #C93C42);
  --ms-bad-bg: var(--bad-bg, rgba(214,69,75,.10));
  --ms-radius: var(--radius, 14px);
  --ms-track: var(--track, #E9E6DE);
  /* text-safe variants: nudged toward the ink colour so small text on the tinted backgrounds clears 4.5:1 */
  --ms-ok-text: var(--ms-ok);
  --ms-bad-text: var(--ms-bad);

  background: var(--ms-card);
  color: var(--ms-ink);
  border: 1px solid var(--ms-line);
  border-radius: var(--ms-radius);
  padding: 22px;
  max-width: 1000px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.55;
  overflow-wrap: break-word;
}
@supports (color: color-mix(in srgb, red 50%, blue)) {
  .ms {
    --ms-ok-text: color-mix(in srgb, var(--ms-ok) 78%, var(--ms-ink));
    --ms-bad-text: color-mix(in srgb, var(--ms-bad) 78%, var(--ms-ink));
  }
}
.ms *, .ms *::before, .ms *::after { box-sizing: border-box; }
.ms button, .ms label { -webkit-tap-highlight-color: transparent; }
.ms :focus-visible { outline: 3px solid var(--ms-accent); outline-offset: 2px; }
.ms [hidden] { display: none !important; }

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

.ms-msg { margin: 0; color: var(--ms-muted); font-size: 15px; }
.ms-msg.err { color: var(--ms-warn); }

/* header: progress */
.ms-head { margin-bottom: 18px; }
.ms-progress { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 14px; font-weight: 600; color: var(--ms-muted); margin: 0 0 8px; }
.ms-progress:focus { outline: none; }
.ms-bar { height: 8px; border-radius: 99px; background: var(--ms-track); overflow: hidden; }
.ms-bar > i { display: block; height: 100%; background: var(--ms-accent); border-radius: 99px; }

/* layout: question column + docked panel */
.ms-grid { display: grid; gap: 22px; grid-template-columns: minmax(0, 1fr); }
.ms-panel[data-state="idle"] { display: none; }
@media (min-width: 860px) {
  .ms-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); align-items: start; }
  .ms-panel[data-state="idle"] { display: block; }
}

.ms-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin: 0 0 14px; }
.ms-chip { display: inline-block; font-size: 13px; font-weight: 700; color: var(--ms-accent); background: var(--ms-accent-soft); padding: 4px 11px; border-radius: 999px; }
.ms-rule { font-size: 14px; color: var(--ms-muted); font-weight: 600; }

.ms-passage {
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  margin: 0 0 14px; padding: 14px 16px; border: 1px solid var(--ms-line); border-left: 4px solid var(--ms-accent);
  border-radius: 10px; background: var(--ms-paper); font-size: 16px;
}
.ms-ul { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; font-weight: 600; }

.ms-stem { margin: 0 0 14px; font-size: 18px; font-weight: 700; line-height: 1.4; }

.ms-choices { border: 0; margin: 0; padding: 0; min-width: 0; display: grid; gap: 10px; }
.ms-choice {
  position: relative; display: flex; align-items: flex-start; gap: 12px; margin: 0;
  min-height: 48px; padding: 10px 12px; border: 1.5px solid var(--ms-line); border-radius: 12px;
  background: var(--ms-card); color: var(--ms-ink); cursor: pointer; font-size: 16px; font-weight: 400; line-height: 1.45;
}
.ms-choice:hover { border-color: var(--ms-ink); }
.ms-choice input { position: absolute; opacity: 0; width: 100%; height: 100%; inset: 0; margin: 0; cursor: pointer; }
.ms-choice:has(input:focus-visible) { outline: 3px solid var(--ms-accent); outline-offset: 2px; }
.ms-letter {
  flex: none; width: 28px; height: 28px; border-radius: 99px; display: grid; place-items: center;
  font-weight: 800; font-size: 14px; border: 1.5px solid var(--ms-field-line); color: var(--ms-ink); background: var(--ms-card);
}
.ms-ctext { flex: 1; min-width: 0; padding-top: 2px; }
.ms-flag { flex: none; align-self: center; font-size: 13px; font-weight: 700; white-space: nowrap; }
.ms-choice.on { border-color: var(--ms-accent); background: var(--ms-accent-soft); box-shadow: inset 0 0 0 1px var(--ms-accent); }
.ms-choice.on .ms-letter { background: var(--ms-accent); border-color: var(--ms-accent); color: var(--ms-accent-ink); }
.ms-choices.locked .ms-choice { cursor: default; }
.ms-choices.locked .ms-choice input { cursor: default; }
.ms-choices.locked .ms-choice:hover { border-color: var(--ms-line); }
.ms-choice.ok { border-color: var(--ms-ok); background: var(--ms-ok-bg); box-shadow: inset 0 0 0 1px var(--ms-ok); }
.ms-choice.ok .ms-letter { background: var(--ms-ok); border-color: var(--ms-ok); color: var(--ms-card); }
.ms-choice.ok .ms-flag { color: var(--ms-ok-text); }
.ms-choice.bad { border-color: var(--ms-bad); background: var(--ms-bad-bg); box-shadow: inset 0 0 0 1px var(--ms-bad); }
.ms-choice.bad .ms-letter { background: var(--ms-bad); border-color: var(--ms-bad); color: var(--ms-card); }
.ms-choice.bad .ms-flag { color: var(--ms-bad-text); }

.ms-result { margin: 14px 0 0; padding: 12px 14px; border-radius: 12px; font-weight: 700; font-size: 16px; display: flex; gap: 10px; align-items: flex-start; }
.ms-result .ico { flex: none; font-weight: 800; }
.ms-result.ok { background: var(--ms-ok-bg); color: var(--ms-ok-text); border: 1px solid var(--ms-ok); }
.ms-result.bad { background: var(--ms-bad-bg); color: var(--ms-bad-text); border: 1px solid var(--ms-bad); }
.ms-result span.t { color: var(--ms-ink); }

/* docked panel */
.ms-panel { border: 1px solid var(--ms-line); border-radius: 12px; background: var(--ms-paper); padding: 14px; min-width: 0; }
.ms-idle { margin: 0; color: var(--ms-muted); font-size: 15px; }
.ms-tabs { display: flex; gap: 6px; margin: 0 0 12px; border-bottom: 1px solid var(--ms-line); }
.ms-tab {
  font: inherit; font-weight: 700; font-size: 15px; cursor: pointer; min-height: 44px; padding: 8px 14px;
  background: transparent; color: var(--ms-muted); border: 0; border-bottom: 3px solid transparent; margin-bottom: -1px;
}
.ms-tab:hover { color: var(--ms-ink); }
.ms-tab[aria-selected="true"] { color: var(--ms-ink); border-bottom-color: var(--ms-accent); }
.ms-pane h4 { margin: 14px 0 6px; font-size: 14px; letter-spacing: .02em; text-transform: uppercase; color: var(--ms-muted); }
.ms-pane h4:first-child { margin-top: 0; }
.ms-pane p { margin: 0 0 8px; font-size: 16px; }
.ms-why { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.ms-why li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; line-height: 1.45; }
.ms-why .l { flex: none; width: 26px; height: 26px; border-radius: 99px; display: grid; place-items: center; font-weight: 800; font-size: 13px; border: 1.5px solid var(--ms-field-line); background: var(--ms-card); }
.ms-why li.ok .l { background: var(--ms-ok); border-color: var(--ms-ok); color: var(--ms-card); }
.ms-why .w { min-width: 0; }
.ms-why .w b { font-weight: 700; }
.ms-why li.ok .w b { color: var(--ms-ok-text); }
.ms-tip { margin: 0; padding: 10px 12px; border-radius: 10px; background: var(--ms-accent-soft); font-size: 15px; }

/* ask tab */
.ms-ask label { display: block; font-size: 15px; font-weight: 600; margin: 0 0 6px; }
.ms-askrow { display: flex; gap: 8px; }
.ms-ask input[type=text] {
  flex: 1; min-width: 0; font: inherit; font-size: 16px; color: var(--ms-ink); background: var(--ms-field);
  border: 1.5px solid var(--ms-field-line); border-radius: 10px; padding: 10px 12px; min-height: 48px;
}
.ms .ms-btn {
  font: inherit; font-weight: 700; font-size: 16px; cursor: pointer; min-height: 48px; padding: 10px 20px;
  border-radius: 10px; border: 1.5px solid var(--ms-field-line); background: var(--ms-card); color: var(--ms-ink); width: auto;
}
.ms .ms-btn:hover { border-color: var(--ms-ink); }
.ms .ms-btn.primary { background: var(--ms-accent); color: var(--ms-accent-ink); border-color: var(--ms-accent); }
.ms .ms-btn.primary:hover { background: var(--ms-accent-hover); border-color: var(--ms-accent-hover); }
.ms .ms-btn[disabled], .ms .ms-btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
.ms-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 0; }
.ms .ms-quick {
  font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; min-height: 44px; padding: 8px 12px;
  border-radius: 999px; border: 1.5px solid var(--ms-field-line); background: var(--ms-card); color: var(--ms-ink); text-align: left;
}
.ms .ms-quick:hover { border-color: var(--ms-accent); }
.ms .ms-quick[disabled], .ms .ms-quick[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
.ms-hint { font-size: 13px; color: var(--ms-muted); margin: 8px 0 0; }
.ms-log { margin-top: 12px; display: grid; gap: 10px; }
/* stays in the layout tree (no display:none) so the aria-live region is registered before it speaks */
.ms-log:empty, .ms-thinking:empty { margin: 0; }
.ms-turn .you { font-size: 13px; font-weight: 700; color: var(--ms-muted); margin: 0 0 2px; }
.ms-turn .bot { margin: 0; padding: 10px 12px; border-radius: 10px; background: var(--ms-card); border: 1px solid var(--ms-line); font-size: 15px; }
.ms-turn .bot.err { color: var(--ms-warn); border-color: var(--ms-warn); }
.ms-turn .bot.wait { color: var(--ms-muted); }
.ms-turn .tag { display: block; margin-top: 6px; font-size: 12px; color: var(--ms-muted); }

/* actions */
.ms-actions { display: flex; justify-content: flex-end; margin-top: 20px; }
.ms-actions .ms-btn { min-width: 190px; min-height: 52px; font-size: 17px; }
.ms-fine { margin: 16px 0 0; font-size: 13px; color: var(--ms-muted); }

/* end screen */
.ms-end h3 { margin: 0 0 6px; font-size: 30px; line-height: 1.15; letter-spacing: -0.015em; }
.ms-end h3:focus { outline: none; }
.ms-end > p { margin: 0 0 18px; color: var(--ms-muted); max-width: 36em; }
.ms-recap { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 8px; max-width: 560px; }
.ms-recap li { display: flex; gap: 10px; align-items: baseline; font-size: 15px; padding: 8px 12px; border: 1px solid var(--ms-line); border-radius: 10px; }
.ms-recap .s { flex: none; font-weight: 800; }
.ms-recap li.ok .s { color: var(--ms-ok-text); }
.ms-recap li.bad .s { color: var(--ms-bad-text); }
.ms-end .ms-btn { min-height: 52px; font-size: 17px; }

@media (max-width: 520px) {
  .ms { padding: 16px; font-size: 16px; }
  .ms-stem { font-size: 17px; }
  .ms-actions .ms-btn, .ms-end .ms-btn { width: 100%; }
  .ms-askrow { flex-direction: column; }
  .ms-askrow .ms-btn { width: 100%; }
  .ms-flag { font-size: 12px; }
  .ms-tab { padding: 8px 10px; }
}
@media (max-width: 380px) {
  .ms-choice { flex-wrap: wrap; }
  .ms-flag { flex-basis: 100%; padding-left: 40px; }
}

@media (prefers-reduced-motion: no-preference) {
  .ms-bar > i { transition: width .35s ease; }
  .ms-choice { transition: border-color .15s, background .15s; }
  .ms .ms-btn { transition: background .15s, border-color .15s; }
}
@media (forced-colors: active) {
  .ms-choice.on, .ms-choice.ok, .ms-choice.bad { border-width: 3px; }
  .ms-tab[aria-selected="true"] { border-bottom-color: Highlight; }
}