/* Mythic Mandarin lesson module. Loaded only on pages that render a lesson.
   Uses the theme tokens (docs/02) with fallbacks so the module stays readable on its own. */
.mm-lesson{--l-ink:var(--mm-ink,#1E1714);--l-soft:var(--mm-ink-soft,#4A3E36);--l-muted:var(--mm-ink-muted,#6B5B50);--l-paper:var(--mm-paper,#EFE4D6);--l-light:var(--mm-paper-light,#F8F2E9);--l-writing:var(--mm-writing,#FBF7F1);--l-seal:var(--mm-seal,#CC1939);--l-seal-dark:var(--mm-seal-dark,#A8152E);--l-gold:var(--mm-gold,#C9A24A);--l-line:var(--mm-line,rgba(30,23,20,.16));--l-hanzi:var(--mm-font-hanzi,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif);position:relative;display:flex;flex-direction:column;gap:32px;color:var(--l-ink)}
.mm-lesson [lang="zh-Hans"]{font-family:var(--l-hanzi)}
.mm-lesson [hidden]{display:none!important}
.mm-lesson.mm-hide-py .mm-py-line,.mm-lesson.mm-hide-tr .mm-tr-line{display:none}
.mm-section-title{font-family:var(--mm-font-display,Georgia,serif);font-size:1.5rem;font-weight:600;margin:0 0 16px}
.mm-lesson__head{display:flex;flex-direction:column;gap:4px}
.mm-lesson__meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 8px;font-size:.9375rem;color:var(--l-muted)}
.mm-lesson__title-zh{margin:0;font-size:2rem;font-weight:700;line-height:1.3}
.mm-lesson__title-py{margin:0;color:var(--l-muted)}
.mm-lesson__title-tr{margin:0;font-size:1.125rem;color:var(--l-soft)}
.mm-lesson__controls{display:flex;gap:8px;flex-wrap:wrap}
.mm-toggle{min-height:44px;padding:8px 18px;border:1.5px solid var(--l-ink);border-radius:999px;background:transparent;color:var(--l-ink);font:inherit;font-size:.9375rem;font-weight:600;cursor:pointer}
.mm-toggle[aria-pressed="true"]{background:var(--l-ink);color:var(--l-light)}
.mm-toggle[aria-pressed="true"]::before{content:"\2713\00a0"}
.mm-sentences{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.mm-sentence{padding:18px 18px 14px;border:1px solid var(--l-line);border-radius:var(--mm-radius-l,16px);background-color:var(--l-writing);background-image:linear-gradient(rgba(204,25,57,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(204,25,57,.08) 1px,transparent 1px);background-size:48px 48px;display:flex;flex-direction:column;gap:6px}
.mm-sentence__zh{margin:0;font-size:var(--mm-size-hanzi-story,1.875rem);line-height:1.6;display:flex;flex-wrap:wrap;align-items:baseline}
.mm-sentence__py{margin:0;color:var(--l-muted);font-size:1rem;line-height:1.5}
.mm-sentence__tr{margin:0;color:var(--l-soft);font-size:1.0625rem;line-height:1.55}
.mm-token{font:inherit;color:inherit;background:transparent;border:0;border-bottom:2px solid rgba(30,23,20,.28);border-radius:6px 6px 2px 2px;padding:0 2px;margin:0 1px;min-height:44px;line-height:1.4;cursor:pointer}
.mm-token:disabled{cursor:text;opacity:1;color:inherit;border-bottom-color:transparent}
.mm-token--grammar{border-bottom-style:dashed;border-bottom-color:var(--l-seal-dark)}
.mm-token--target{border-bottom-color:var(--l-ink)}
.mm-token:hover{background:rgba(204,25,57,.08)}
.mm-token.is-selected{background:var(--l-seal);color:#fff;border-bottom-color:transparent}
.mm-punct{padding:0 1px}
.mm-words{font-size:.9375rem}
.mm-words summary{cursor:pointer;color:var(--l-muted);min-height:44px;display:flex;align-items:center}
.is-enhanced .mm-words{display:none}
.mm-words__list{margin:4px 0 0;display:grid;gap:8px}
.mm-words__item dt{font-weight:600}
.mm-words__item dd{margin:0 0 0 12px;color:var(--l-soft)}
.mm-py{color:var(--l-muted)}
.mm-word-panel{position:absolute;z-index:20;width:min(340px,100%);padding:18px 20px;background:var(--l-paper);border:1px solid var(--l-line);border-radius:12px;box-shadow:0 14px 34px rgba(30,23,20,.22);display:flex;flex-direction:column;gap:4px}
.mm-word-panel__hz{margin:0;font-size:1.75rem;font-weight:700;outline:none}
.mm-word-panel__py,.mm-word-panel__gloss{margin:0}
.mm-word-panel__gloss{font-size:1.0625rem}
.mm-word-panel__audio:not(:empty){margin-top:8px}
.mm-word-panel__close{position:absolute;top:4px;right:4px;width:44px;height:44px;border:0;background:transparent;font-size:1.6rem;line-height:1;cursor:pointer;color:var(--l-ink);border-radius:50%}
@media (max-width:639px){.mm-word-panel{position:fixed;left:0;right:0;bottom:0;top:auto;width:auto;border-radius:16px 16px 0 0;padding:20px 20px calc(20px + env(safe-area-inset-bottom))}}
.mm-audio{display:inline-flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.mm-audio__btn{min-height:44px;display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 8px;border:1.5px solid var(--l-ink);border-radius:999px;background:var(--l-light);color:var(--l-ink);font:inherit;font-size:.875rem;font-weight:600;cursor:pointer}
.mm-audio__icon{width:26px;height:26px;border-radius:50%;background:var(--l-seal);position:relative;flex:none}
.mm-audio__icon::after{content:"";position:absolute;left:10px;top:7px;border-left:9px solid #fff;border-top:6px solid transparent;border-bottom:6px solid transparent}
.mm-audio__btn.is-playing .mm-audio__icon::after{left:8px;top:8px;width:10px;height:10px;border:0;background:#fff}
.mm-grammar ul,.mm-task__tips{margin:0;padding-left:20px}
.mm-grammar__pattern{font-size:1.375rem;font-weight:700;margin-right:8px}
.mm-vocab__list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.mm-vocab__item{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;padding:12px 16px;background:var(--l-light);border:1px solid var(--l-line);border-radius:10px}
.mm-vocab__hz{font-size:1.5rem;font-weight:700}
.mm-vocab__meaning{flex:1 1 180px}
.mm-questions{display:flex;flex-direction:column;gap:20px}
.mm-questions .mm-section-title{margin-bottom:0}
.mm-q{padding:20px;border:1px solid var(--l-line);border-radius:var(--mm-radius-l,16px);background:var(--l-light)}
.mm-q fieldset{border:0;margin:0;padding:0;min-width:0}
.mm-q__prompt{display:flex;flex-direction:column;gap:2px;padding:0;margin-bottom:14px}
.mm-q__num{font-size:.8125rem;font-weight:700;color:var(--l-muted)}
.mm-q__hz{font-size:1.25rem;font-weight:600}
.mm-q__options{display:flex;flex-direction:column;gap:10px}
.mm-opt{position:relative;display:flex;align-items:center;gap:12px;min-height:56px;padding:10px 14px;border:1.5px solid rgba(30,23,20,.25);border-radius:var(--mm-radius-m,10px);background:#fff;cursor:pointer}
.mm-opt input{position:absolute;opacity:0;width:1px;height:1px}
.mm-opt:focus-within{outline:3px solid var(--l-gold);outline-offset:2px}
.mm-opt:has(input:checked){border-color:var(--l-ink);background:var(--l-paper)}
.mm-opt__letter{width:28px;height:28px;flex:none;border:1.5px solid var(--l-ink);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8125rem;font-weight:700}
.mm-opt:has(input:checked) .mm-opt__letter{background:var(--l-ink);color:var(--l-light)}
.mm-opt__text{display:flex;flex-direction:column;gap:1px;flex:1}
.mm-opt__hz{font-size:1.125rem}
.mm-opt__tr{font-size:.875rem;color:var(--l-soft)}
.mm-opt__mark{margin-left:auto;font-weight:700}
.mm-opt.is-correct{border-color:#2F6B4F;background:#EAF3EC}
.mm-opt.is-correct .mm-opt__mark::after{content:"\2713";color:#2F6B4F}
.mm-opt.is-wrong{border-color:var(--l-seal);background:#F9E6E9}
.mm-opt.is-wrong .mm-opt__mark::after{content:"\2715";color:var(--l-seal-dark)}
.mm-q__actions{margin-top:14px}
.mm-q__feedback:not(:empty){margin-top:14px;padding:14px 16px;border-left:4px solid var(--l-ink);background:var(--l-writing);border-radius:0 10px 10px 0}
.mm-q__feedback p{margin:0 0 8px}
.mm-q__verdict{font-weight:700}
.mm-q__verdict.is-correct{color:#2F6B4F}
.mm-q__verdict.is-wrong{color:var(--l-seal-dark)}
.mm-q__others{font-weight:600}
.mm-q__wrong{margin:0;padding-left:20px}
.mm-q__answer{margin-top:12px}
.mm-q__answer summary,.mm-task__model summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-weight:600}
.mm-task{padding:20px;border:1px solid var(--l-line);border-radius:var(--mm-radius-l,16px)}
.mm-task__hz{font-size:1.25rem;margin:0}
.mm-task__tips-title{font-weight:600;margin:12px 0 4px}
.mm-complete{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.mm-complete__done{display:flex;align-items:center;gap:16px}
.mm-complete__text{margin:0;font-weight:600}
.mm-seal--stamp{width:64px;height:64px;flex:none;border-radius:var(--mm-radius-s,6px);background:var(--l-seal);color:var(--l-light);display:flex;align-items:center;justify-content:center;text-align:center;transform:rotate(-6deg);box-shadow:inset 0 0 0 3px var(--l-seal),inset 0 0 0 5px rgba(248,242,233,.55);font-size:1.25rem}
.mm-seal--text{font-family:var(--mm-font-display,Georgia,serif);font-size:.8125rem;font-weight:600;line-height:1.1;padding:4px}
.mm-seal.is-stamping{animation:mm-stamp .28s ease-out}
@keyframes mm-stamp{from{transform:scale(1.7) rotate(-6deg);opacity:0}to{transform:scale(1) rotate(-6deg);opacity:1}}
.mm-review-note,.mm-speech-note{margin:0 0 12px;font-size:.875rem;color:var(--l-muted)}
.mm-preview-banner{padding:14px 18px;border:2px solid var(--l-seal);border-radius:10px;background:#F9E6E9;color:var(--l-ink)}
.mm-preview-banner p{margin:0}
.mm-preview-banner ul{margin:8px 0 0;padding-left:20px}
.mm-untranslated{background:#FFF4D6;outline:1px dashed var(--l-gold)}
.mm-untranslated__flag{font-size:.75rem;font-weight:700;text-transform:none;color:var(--l-seal-dark)}
.mm-locked{padding:28px;border:1px solid var(--l-line);border-radius:var(--mm-radius-l,16px);background:var(--l-light);display:flex;flex-direction:column;gap:8px}
.mm-locked__title{margin:12px 0 0;font-family:var(--mm-font-display,Georgia,serif)}
.mm-locked__list{margin:0;padding-left:20px}
.mm-locked__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
@media (max-width:639px){.mm-sentence__zh{font-size:1.5625rem}.mm-sentence{padding:14px 12px}.mm-lesson__title-zh{font-size:1.625rem}}
@media (prefers-reduced-motion:reduce){.mm-seal.is-stamping{animation:none}}
.mm-write-link{display:inline-flex;align-items:center;min-height:44px;padding:0 4px;font-size:.9em;color:var(--l-seal-dark);text-decoration:underline;text-underline-offset:3px}
.mm-write-form{display:inline;margin:0}button.mm-write-link{margin:0;border:0;background:none;font-family:inherit;line-height:inherit;cursor:pointer}
.mm-story-nav{margin-top:var(--mm-space-6);padding-top:var(--mm-space-4);border-top:1px solid var(--mm-line)}.mm-story-nav__pos{margin:0 0 var(--mm-space-3);color:var(--mm-ink-muted);font-size:var(--mm-size-small)}.mm-story-nav__links{display:grid;gap:var(--mm-space-3);margin:0;padding:0;list-style:none}@media (min-width:720px){.mm-story-nav__links{grid-template-columns:repeat(3,1fr)}}.mm-story-nav__links a{display:block;min-height:44px;padding:var(--mm-space-3);border:1px solid var(--mm-line);border-radius:var(--mm-radius-m);color:var(--mm-ink);text-decoration:none}.mm-story-nav__links a:hover{border-color:var(--mm-ink-soft)}.mm-story-nav__links span{display:block;color:var(--mm-ink-muted);font-size:var(--mm-size-small)}