/* Life Plaza · Learn: the learner's layer over the plaza — level gate, pinyin captions, word cards, a second try. */
:root {
  --ll-paper: #fbf6ee;
  --ll-paper-2: #f3eadc;
  --ll-ink: #3a2e28;
  --ll-soft: rgba(58, 46, 40, 0.62);
  --ll-teal: #2f5d62;
  --ll-teal-2: #3f7f86;
  --ll-plum: #1d1924;
  --ll-new: #b5562a;
  --ll-shadow: 0 18px 40px -18px rgba(30, 20, 15, 0.55);
  --ll-font: "Noto Serif SC", "Songti SC", "STSong", "plaza-serif", serif;
  --ll-sans: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}

.ll-hidden { display: none !important; }

/* ---- level gate ---------------------------------------------------------------------------------------------- */
.ll-gate {
  position: fixed; inset: 0; z-index: 2147483000; display: grid; place-items: center;
  background: radial-gradient(120% 90% at 50% 10%, #2b2533 0%, var(--ll-plum) 70%);
  color: var(--ll-paper); font-family: var(--ll-font); padding: 24px 16px;
}
.ll-gate-card { width: min(560px, 100%); text-align: center; }
.ll-gate h1 { margin: 0 0 6px; font-size: clamp(26px, 5vw, 38px); letter-spacing: 0.12em; font-weight: 600; }
.ll-gate h1 small { display: block; margin-top: 6px; font-size: 14px; letter-spacing: 0.06em; color: rgba(251, 246, 238, 0.7); font-family: var(--ll-sans); font-weight: 400; }
.ll-gate p.ll-lead { margin: 18px auto 22px; max-width: 30em; font-size: 15px; line-height: 1.7; color: rgba(251, 246, 238, 0.82); font-family: var(--ll-sans); }
.ll-levels { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.ll-level {
  border: 1px solid rgba(251, 246, 238, 0.22); border-radius: 14px; padding: 12px 12px 10px; background: rgba(251, 246, 238, 0.06);
  color: inherit; font: inherit; cursor: pointer; text-align: left; transition: background 0.2s, transform 0.2s, border-color 0.2s;
}
.ll-level:hover, .ll-level:focus-visible { background: rgba(251, 246, 238, 0.14); border-color: rgba(251, 246, 238, 0.5); transform: translateY(-1px); outline: none; }
.ll-level b { display: block; font-size: 18px; letter-spacing: 0.04em; }
.ll-level span { display: block; margin-top: 3px; font-size: 12.5px; line-height: 1.45; color: rgba(251, 246, 238, 0.72); font-family: var(--ll-sans); }
.ll-level.ll-native { grid-column: 1 / -1; text-align: center; background: transparent; border-style: dashed; }
.ll-gate-foot { margin-top: 20px; font-size: 11.5px; line-height: 1.6; color: rgba(251, 246, 238, 0.5); font-family: var(--ll-sans); }
.ll-gate-foot a { color: rgba(251, 246, 238, 0.75); }

/* ---- the level pill ------------------------------------------------------------------------------------------ */
.ll-pill {
  position: fixed; top: calc(10px + env(safe-area-inset-top)); left: 50%; transform: translateX(-50%); z-index: 2147482000;
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 999px; border: 0; cursor: pointer;
  background: rgba(29, 25, 36, 0.62); color: var(--ll-paper); font: 600 12px/1.2 var(--ll-sans); letter-spacing: 0.04em;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.ll-pill i { font-style: normal; font-weight: 400; opacity: 0.75; }

/* ---- pinyin caption ------------------------------------------------------------------------------------------ */
.ll-cap {
  position: fixed; left: 50%; top: calc(46px + env(safe-area-inset-top)); transform: translateX(-50%); z-index: 2147482100;
  width: min(760px, calc(100vw - 20px)); padding: 10px 14px 9px; border-radius: 16px;
  background: rgba(251, 246, 238, 0.95); color: var(--ll-ink); box-shadow: var(--ll-shadow); font-family: var(--ll-font);
  transition: opacity 0.35s, transform 0.35s;
}
.ll-cap.ll-fade { opacity: 0.45; }
.ll-cap.ll-min .ll-cap-line, .ll-cap.ll-min .ll-cap-en { display: none; }
.ll-cap-top { display: flex; align-items: center; gap: 8px; font: 12px/1.2 var(--ll-sans); color: var(--ll-soft); }
.ll-cap-who { font-weight: 600; color: var(--ll-teal); }
.ll-cap-tools { margin-left: auto; display: flex; gap: 4px; }
.ll-cap-tools button, .ll-card button.ll-mini {
  border: 1px solid rgba(58, 46, 40, 0.16); background: var(--ll-paper); color: var(--ll-ink); border-radius: 999px;
  padding: 3px 9px; font: 600 11.5px/1.2 var(--ll-sans); cursor: pointer;
}
.ll-cap-tools button[aria-pressed="true"] { background: var(--ll-teal); border-color: var(--ll-teal); color: #fff; }
.ll-cap-line { margin-top: 4px; font-size: 21px; line-height: 2.05; letter-spacing: 0.02em; }
.ll-cap-line ruby { ruby-position: over; cursor: pointer; border-radius: 6px; padding: 0 1px; transition: background 0.15s; }
.ll-cap-line ruby:hover { background: rgba(47, 93, 98, 0.12); }
.ll-cap-line rt { font: 500 11px/1 var(--ll-sans); color: var(--ll-soft); letter-spacing: 0; }
.ll-cap.ll-nopy .ll-cap-line rt { visibility: hidden; }
.ll-cap-line ruby.ll-new { color: var(--ll-new); text-decoration: underline dotted rgba(181, 86, 42, 0.7); text-underline-offset: 5px; }
.ll-cap-line ruby.ll-name { color: var(--ll-teal); }
.ll-cap-line .ll-plain { color: var(--ll-ink); }
.ll-cap-en { margin-top: 1px; font: 14px/1.5 var(--ll-sans); color: var(--ll-soft); min-height: 1.5em; }
.ll-cap-en.ll-off { display: none; }

/* ---- word card ----------------------------------------------------------------------------------------------- */
.ll-card {
  position: fixed; z-index: 2147482300; left: 50%; top: calc(150px + env(safe-area-inset-top)); transform: translateX(-50%);
  width: min(420px, calc(100vw - 20px)); max-height: calc(100vh - 170px); overflow: auto; padding: 16px 16px 14px;
  border-radius: 18px; background: var(--ll-paper); color: var(--ll-ink); box-shadow: 0 26px 60px -24px rgba(30, 20, 15, 0.7);
  font-family: var(--ll-sans);
}
.ll-card-head { display: flex; align-items: flex-start; gap: 12px; }
.ll-card-hz { font: 600 40px/1.1 var(--ll-font); letter-spacing: 0.04em; }
.ll-card-py { margin-top: 4px; font-size: 16px; color: var(--ll-teal); font-weight: 600; }
.ll-card-close { margin-left: auto; border: 0; background: transparent; font-size: 22px; line-height: 1; color: var(--ll-soft); cursor: pointer; padding: 2px 4px; }
.ll-badge { display: inline-block; margin-left: 8px; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; vertical-align: 3px; background: rgba(47, 93, 98, 0.12); color: var(--ll-teal); }
.ll-badge.ll-up { background: rgba(181, 86, 42, 0.13); color: var(--ll-new); }
.ll-card-mean { margin: 10px 0 0; font-size: 15px; line-height: 1.5; }
.ll-sec { margin-top: 14px; padding-top: 10px; border-top: 1px solid rgba(58, 46, 40, 0.1); }
.ll-sec h4 { margin: 0 0 6px; font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ll-soft); font-weight: 700; }
.ll-ex-zh { font: 17px/1.5 var(--ll-font); }
.ll-ex-py { font-size: 12.5px; color: var(--ll-teal); margin-top: 2px; }
.ll-ex-en { font-size: 13px; color: var(--ll-soft); margin-top: 2px; }
.ll-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ll-chip { border: 1px solid rgba(47, 93, 98, 0.25); background: #fff; border-radius: 12px; padding: 5px 9px; cursor: pointer; font: inherit; color: inherit; text-align: left; }
.ll-chip b { font: 600 16px/1.2 var(--ll-font); }
.ll-chip small { display: block; font-size: 11px; color: var(--ll-soft); margin-top: 1px; }
.ll-chip em { font-style: normal; font-size: 10px; font-weight: 700; color: var(--ll-teal); margin-left: 4px; }
.ll-list { margin: 0; padding: 0; list-style: none; }
.ll-list li { margin: 0 0 8px; font-size: 13.5px; line-height: 1.5; }
.ll-list .ll-zh { font: 16px/1.4 var(--ll-font); }
.ll-list .ll-bad { text-decoration: line-through; text-decoration-color: rgba(181, 86, 42, 0.8); color: var(--ll-soft); }
.ll-list .ll-good { color: var(--ll-teal); font-weight: 600; }
.ll-list small { display: block; color: var(--ll-soft); font-size: 12px; }
.ll-tag { display: inline-block; font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 6px; margin-right: 6px; background: rgba(47, 93, 98, 0.12); color: var(--ll-teal); }
.ll-tag.ll-err { background: rgba(181, 86, 42, 0.13); color: var(--ll-new); }
.ll-wait { color: var(--ll-soft); font-size: 12.5px; }

/* ---- a second try -------------------------------------------------------------------------------------------- */
.ll-fix {
  position: fixed; z-index: 2147482200; left: calc(12px + env(safe-area-inset-left)); bottom: calc(96px + env(safe-area-inset-bottom));
  width: min(380px, calc(100vw - 24px)); padding: 12px 14px; border-radius: 16px; background: var(--ll-paper); color: var(--ll-ink);
  box-shadow: var(--ll-shadow); font-family: var(--ll-sans); border-left: 4px solid var(--ll-new);
}
.ll-fix h4 { margin: 0 0 6px; font-size: 12px; letter-spacing: 0.06em; color: var(--ll-new); }
.ll-fix .ll-was { font: 16px/1.5 var(--ll-font); }
.ll-fix .ll-was mark { background: rgba(181, 86, 42, 0.16); color: inherit; border-radius: 4px; padding: 0 2px; }
.ll-fix .ll-now { margin-top: 6px; font: 600 17px/1.5 var(--ll-font); color: var(--ll-teal); }
.ll-fix .ll-now-py { font-size: 12.5px; color: var(--ll-teal); }
.ll-fix .ll-why { margin-top: 4px; font-size: 12.5px; color: var(--ll-soft); line-height: 1.45; }
.ll-fix form { display: flex; gap: 6px; margin-top: 10px; }
.ll-fix input { flex: 1; min-width: 0; border: 1px solid rgba(58, 46, 40, 0.2); border-radius: 10px; padding: 7px 9px; font: 16px var(--ll-font); background: #fff; color: var(--ll-ink); }
.ll-fix button { border: 0; border-radius: 10px; padding: 7px 11px; font: 600 13px var(--ll-sans); cursor: pointer; background: var(--ll-teal); color: #fff; }
.ll-fix button.ll-skip { background: transparent; color: var(--ll-soft); padding: 7px 6px; }
.ll-fix.ll-done { border-left-color: var(--ll-teal); }
.ll-fix .ll-ok { font: 600 16px/1.4 var(--ll-sans); color: var(--ll-teal); }

@media (max-width: 560px) {
  .ll-cap { top: calc(42px + env(safe-area-inset-top)); padding: 8px 10px 7px; }
  .ll-cap-line { font-size: 18px; line-height: 2; }
  .ll-card { top: auto; bottom: calc(10px + env(safe-area-inset-bottom)); max-height: 62vh; }
  .ll-fix { bottom: calc(150px + env(safe-area-inset-bottom)); }
}