:root {
  --ink: #17342e;
  --ink-soft: #49635d;
  --forest: #173f36;
  --forest-2: #246b5a;
  --paper: #f3f0e8;
  --cream: #fbf8f0;
  --white: #fffdf8;
  --coral: #e85d3f;
  --coral-dark: #c9472e;
  --amber: #d89b32;
  --line: rgba(23, 52, 46, .13);
  --shadow: 0 20px 60px rgba(30, 55, 48, .10);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 15px;
}

[hidden] { display: none !important; }
* { box-sizing: border-box; }
html { background: var(--paper); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 248px minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; padding: 30px 22px 24px; display: flex; flex-direction: column; color: #e8f0eb; background: var(--forest); overflow: hidden; }
.sidebar::after { content: ""; position: absolute; width: 260px; height: 260px; border: 1px solid rgba(255,255,255,.07); border-radius: 50%; left: -110px; bottom: 100px; box-shadow: 0 0 0 36px rgba(255,255,255,.025), 0 0 0 76px rgba(255,255,255,.018); pointer-events: none; }
.brand { position: relative; z-index: 1; display: flex; align-items: center; gap: 12px; width: 100%; padding: 0 8px; border: 0; color: white; background: transparent; text-align: left; cursor: pointer; }
.brand-mark { display: grid; place-items: center; width: 43px; height: 43px; border-radius: 14px 14px 14px 4px; color: var(--forest); background: #f7c95e; font-family: "Songti SC", serif; font-size: 23px; font-weight: 800; transform: rotate(-3deg); }
.brand strong { display: block; font-family: "Songti SC", serif; font-size: 22px; letter-spacing: .08em; }
.brand small { display: block; margin-top: 2px; color: rgba(255,255,255,.48); font-size: 8px; letter-spacing: .18em; }
.main-nav { position: relative; z-index: 1; display: grid; gap: 7px; margin-top: 58px; }
.nav-item { display: grid; grid-template-columns: 28px 1fr auto; align-items: center; gap: 10px; width: 100%; padding: 13px 14px; border: 0; border-radius: 13px; color: rgba(239,247,242,.65); background: transparent; text-align: left; cursor: pointer; transition: .2s ease; }
.nav-item:hover { color: white; background: rgba(255,255,255,.06); }
.nav-item.active { color: white; background: rgba(255,255,255,.11); box-shadow: inset 3px 0 #f7c95e; }
.nav-item b { min-width: 23px; padding: 2px 7px; border-radius: 20px; color: white; background: var(--coral); font-size: 11px; text-align: center; }
.nav-icon, .gear-icon { width: 25px; font-size: 19px; text-align: center; }
.sidebar-foot { position: relative; z-index: 1; margin-top: auto; }
.sidebar-quote { margin: 0 10px 24px; color: rgba(255,255,255,.42); }
.sidebar-quote span { color: #f7c95e; font-family: Georgia, serif; font-size: 44px; line-height: .7; }
.sidebar-quote p { margin: 8px 0 0; font-family: "Songti SC", serif; font-size: 14px; line-height: 1.8; }
.settings-link { display: none; border-top: 1px solid rgba(255,255,255,.1); border-radius: 0; padding-top: 20px; }
body.admin-mode .settings-link { display: grid; }
body.admin-mode .main-nav, body.admin-mode .sidebar-quote, body.admin-mode .user-controls { display: none; }
body.admin-mode .sidebar-foot { margin-top: 46px; }

.workspace { min-width: 0; }
.topbar { height: 82px; padding: 0 clamp(24px, 4vw, 62px); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: rgba(243,240,232,.84); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 20; }
.breadcrumb { display: grid; gap: 2px; }
.breadcrumb span { color: var(--ink-soft); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.breadcrumb strong { font-family: "Songti SC", serif; font-size: 18px; }
.user-controls { display: flex; align-items: center; gap: 18px; }
.text-button, .link-button { border: 0; padding: 0; color: var(--forest-2); background: none; cursor: pointer; font-weight: 650; }
.user-switcher { display: flex; align-items: center; gap: 10px; min-width: 150px; padding: 7px 10px 7px 7px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,253,248,.72); }
.user-switcher strong { flex: 1; overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.avatar { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--coral); font-weight: 800; }
.user-switcher select { flex: 1; border: 0; outline: 0; color: var(--ink); background: transparent; appearance: none; font-weight: 700; cursor: pointer; }
.select-arrow { color: var(--ink-soft); }
.header-logout { padding: 8px 11px; border: 0; color: var(--ink-soft); background: transparent; font-size: 12px; cursor: pointer; }
.header-admin-entry { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--forest-2); background: var(--white); cursor: pointer; font-size: 18px; transition: .2s ease; }
.header-admin-entry:hover { color: white; border-color: var(--forest-2); background: var(--forest-2); transform: rotate(25deg); }
.mobile-user-logout { display: none; }
.mobile-only { display: none; }
.menu-scrim { border: 0; }

.content { padding: 50px clamp(24px, 4vw, 62px) 80px; max-width: 1500px; margin: 0 auto; }
.panel { display: none; }
.panel.active { display: block; }
.overline, .eyebrow { margin: 0; color: var(--coral); font-size: 10px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.welcome-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 34px; }
.welcome-row h1, .page-intro h1, .quiz-stage-head h1 { max-width: 780px; margin: 8px 0 12px; font-family: "Songti SC", "STSong", serif; font-size: clamp(34px, 4vw, 56px); font-weight: 700; line-height: 1.15; letter-spacing: -.04em; }
.welcome-row p:not(.overline), .page-intro > p { max-width: 660px; margin: 0; color: var(--ink-soft); line-height: 1.8; }
.date-stamp { flex: 0 0 auto; display: flex; align-items: baseline; gap: 9px; color: var(--forest); }
.date-stamp strong { font-family: Georgia, serif; font-size: 54px; line-height: 1; }
.date-stamp span { color: var(--ink-soft); font-family: "Songti SC", serif; }

.home-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(260px, .72fr); gap: 20px; }
.focus-card { position: relative; min-height: 330px; padding: 38px 42px; display: grid; grid-template-columns: 1.25fr .75fr; overflow: hidden; border-radius: var(--radius-xl); color: white; background: linear-gradient(135deg, #1d5548, #12362f); box-shadow: var(--shadow); }
.focus-card::before { content: ""; position: absolute; inset: 0; opacity: .16; background-image: radial-gradient(rgba(255,255,255,.7) .8px, transparent .8px); background-size: 18px 18px; mask-image: linear-gradient(90deg, transparent 15%, black 100%); }
.focus-copy { position: relative; z-index: 2; align-self: center; }
.pill { display: inline-flex; padding: 6px 11px; border-radius: 99px; font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.pill.light { color: #173f36; background: #f7c95e; }
.focus-copy h2 { max-width: 440px; margin: 22px 0 12px; font-family: "Songti SC", serif; font-size: clamp(28px, 3vw, 43px); line-height: 1.14; }
.focus-copy p { max-width: 510px; margin: 0 0 28px; color: rgba(255,255,255,.67); line-height: 1.75; }
.focus-copy p strong { color: white; }
.cta-button { display: inline-flex; justify-content: center; align-items: center; gap: 24px; padding: 14px 20px; border: 0; border-radius: 13px; color: white; background: var(--coral); box-shadow: 0 10px 24px rgba(207,70,43,.22); font-weight: 750; cursor: pointer; transition: .2s ease; }
.cta-button:hover { background: var(--coral-dark); transform: translateY(-2px); }
.cta-button.compact { padding: 11px 17px; }
.focus-visual { position: relative; display: grid; place-items: center; min-height: 220px; }
.orbit { position: absolute; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; }
.orbit-one { width: 220px; height: 220px; }
.orbit-two { width: 150px; height: 150px; border-style: dashed; animation: spin 18s linear infinite; }
.word-stack { position: relative; z-index: 2; width: 130px; height: 154px; padding: 20px; display: grid; place-items: center; transform: rotate(4deg); border-radius: 14px 14px 30px 14px; color: var(--forest); background: #f9d77f; box-shadow: -16px 18px 0 rgba(232,93,63,.82); }
.word-stack strong { font-family: Georgia, serif; font-size: 47px; }
.word-stack span, .word-stack small { font-size: 11px; letter-spacing: .12em; }

.goal-card, .metric-card, .surface-card, .target-card, .mistake-summary { border: 1px solid var(--line); background: var(--white); box-shadow: 0 12px 40px rgba(32,52,47,.06); }
.goal-card { min-height: 330px; padding: 28px; border-radius: var(--radius-xl); display: flex; flex-direction: column; align-items: center; }
.card-head { width: 100%; display: flex; justify-content: space-between; }
.card-head > span:last-child { color: var(--forest-2); font-weight: 800; }
.progress-ring { --progress: 0deg; width: 155px; height: 155px; margin: 28px 0 18px; display: grid; place-items: center; border-radius: 50%; background: conic-gradient(var(--coral) var(--progress), #ece8dd 0); position: relative; }
.progress-ring::after { content: ""; position: absolute; inset: 13px; border-radius: 50%; background: var(--white); }
.progress-ring div { position: relative; z-index: 1; display: grid; text-align: center; }
.progress-ring strong { font-family: Georgia, serif; font-size: 38px; }
.progress-ring span, .goal-card > p { color: var(--ink-soft); font-size: 12px; }
.goal-card > p { margin: auto 0 0; }

.metrics-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 20px; }
.metric-card { min-height: 110px; padding: 20px 22px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 15px; border-radius: var(--radius-lg); }
.metric-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 14px; font-size: 18px; font-weight: 900; }
.metric-icon.coral { color: var(--coral-dark); background: #fde4dc; }
.metric-icon.amber { color: #946819; background: #f8ebcb; }
.metric-icon.green { color: var(--forest-2); background: #dcece5; }
.metric-card strong { font-family: Georgia, serif; font-size: 25px; }
.metric-card p { margin: 2px 0 0; color: var(--ink-soft); font-size: 12px; }
.metric-card small { color: #82918d; }
.section-block { margin-top: 42px; }
.section-title { display: flex; justify-content: space-between; align-items: end; margin-bottom: 16px; }
.section-title h2 { margin: 5px 0 0; font-family: "Songti SC", serif; font-size: 27px; }
.word-strip { min-height: 118px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.strip-word { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,253,248,.74); }
.strip-word strong { display: block; font-family: Georgia, serif; font-size: 20px; }
.strip-word span { display: block; margin-top: 6px; color: var(--ink-soft); font-size: 12px; }
.strip-word b { display: inline-block; margin-top: 14px; color: var(--coral); font-size: 11px; }

.quiz-stage { max-width: 950px; margin: 0 auto; }
.quiz-stage-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 30px; }
.quiz-stage-head h1 { margin-bottom: 0; font-size: clamp(34px, 4vw, 49px); }
.session-score { padding: 10px 16px; border-left: 2px solid var(--coral); display: grid; }
.session-score span { color: var(--ink-soft); font-size: 11px; }
.session-score strong { font-family: Georgia, serif; font-size: 19px; }
.quiz-card-main { padding: clamp(25px, 5vw, 54px); border: 1px solid var(--line); border-radius: 34px; background: var(--white); box-shadow: var(--shadow); }
.quiz-meta { display: flex; justify-content: space-between; align-items: center; min-height: 28px; color: var(--ink-soft); font-size: 12px; }
.quiz-feedback.success { color: var(--forest-2); font-weight: 800; }
.quiz-feedback.error { color: var(--coral-dark); font-weight: 800; }
.question-word { margin: 40px 0 34px; text-align: center; }
.question-word h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(48px, 8vw, 82px); font-weight: 500; letter-spacing: -.04em; }
.question-word p { margin: 8px 0 0; color: var(--ink-soft); font-family: Georgia, serif; font-size: 18px; }
.spoken-word { display: flex; align-items: center; justify-content: center; gap: 15px; }
.pronounce-button { flex: 0 0 auto; width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--forest-2); background: var(--cream); cursor: pointer; font-size: 20px; transform: rotate(-15deg); }
.pronounce-button:hover { color: white; background: var(--forest-2); }
.quiz-options { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.option-btn { min-height: 74px; padding: 17px 22px; border: 1px solid var(--line); border-radius: 16px; outline: none; color: var(--ink); background: #f8f5ed; text-align: left; cursor: pointer; transition: .18s ease; appearance: none; -webkit-appearance: none; }
.option-btn::before { content: attr(data-letter); display: inline-grid; place-items: center; width: 28px; height: 28px; margin-right: 12px; border-radius: 9px; color: var(--ink-soft); background: white; font-family: Georgia, serif; }
.option-btn:focus:not(:focus-visible) { outline: none; }
.option-btn.correct { color: #174b3e; border-color: #6dad99; background: #e2f0ea; }
.option-btn.wrong { color: #9b3422; border-color: #e69886; background: #fde6df; }
@media (hover: hover) and (pointer: fine) {
  .option-btn:hover:not(:disabled) { border-color: var(--forest-2); transform: translateY(-2px); }
}
@media (hover: none), (pointer: coarse) {
  .option-btn:hover:not(:disabled), .option-btn:focus:not(:disabled), .option-btn:focus-visible:not(:disabled), .option-btn:active:not(:disabled) {
    border-color: var(--line) !important;
    outline: none !important;
    background: #f8f5ed;
    box-shadow: none !important;
    transform: none;
  }
}
.quiz-footer { margin-top: 28px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--ink-soft); font-size: 12px; }
.quiz-complete { padding: 24px 8px 10px; text-align: center; }
.quiz-complete h2 { margin: 14px 0 8px; font-family: "Songti SC", serif; font-size: clamp(32px, 5vw, 48px); }
.quiz-complete > p { max-width: 560px; margin: 0 auto; color: var(--ink-soft); line-height: 1.7; }
.quiz-result-grid { margin: 34px 0 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.quiz-result-grid div { padding: 22px 12px; display: grid; gap: 5px; border-radius: 18px; background: var(--cream); }
.quiz-result-grid strong { font-family: Georgia, serif; font-size: 34px; }
.quiz-result-grid span { color: var(--ink-soft); font-size: 11px; }

.page-intro { margin-bottom: 34px; }
.page-intro h1 { font-size: clamp(38px, 5vw, 60px); }
.compact-intro h1 { font-size: clamp(36px, 4vw, 50px); }
.mistake-summary { margin-bottom: 22px; padding: 22px 26px; display: flex; align-items: center; gap: 42px; border-radius: var(--radius-lg); }
.mistake-summary div { display: grid; }
.mistake-summary strong { font-family: Georgia, serif; font-size: 30px; }
.mistake-summary span { color: var(--ink-soft); font-size: 11px; }
.mistake-summary .cta-button { margin-left: auto; }
.mistake-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.mistake-card { padding: 23px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); transition: .2s ease; }
.mistake-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.mistake-card-head { display: flex; justify-content: space-between; gap: 12px; }
.mistake-card h3 { margin: 0; font-family: Georgia, serif; font-size: 25px; }
.mistake-card .pronunciation { margin: 5px 0 20px; color: var(--ink-soft); font-family: Georgia, serif; }
.mistake-card .meaning { min-height: 48px; margin: 0; line-height: 1.6; }
.wrong-badge { height: fit-content; padding: 5px 9px; border-radius: 99px; color: var(--coral-dark); background: #fde4dc; font-size: 11px; }
.review-schedule { margin-top: 16px; padding: 12px 13px; display: flex; justify-content: space-between; gap: 12px; border-radius: 12px; color: var(--ink-soft); background: var(--cream); font-size: 11px; }
.review-schedule strong { color: var(--forest-2); }
.review-schedule.due { color: #9b3422; background: #fde8e1; }
.review-schedule.due strong { color: var(--coral-dark); }
.locked-review-note { align-self: center; color: var(--ink-soft); font-size: 10px; }
.card-actions { display: flex; gap: 9px; margin-top: 20px; }
.ghost-button, .secondary-button { padding: 10px 14px; border: 1px solid var(--line); border-radius: 11px; background: transparent; cursor: pointer; }
.secondary-button { color: var(--forest-2); background: #e5eee9; border-color: transparent; font-weight: 700; }

.plan-layout { display: grid; grid-template-columns: 340px 1fr; gap: 24px; align-items: start; }
.target-card { padding: 28px; border-radius: var(--radius-xl); position: sticky; top: 110px; }
.target-card h2 { margin: 8px 0 24px; font-family: "Songti SC", serif; font-size: 27px; }
.target-card form { display: grid; gap: 20px; }
.target-card label { display: grid; gap: 13px; color: var(--ink-soft); }
.number-control { display: grid; grid-template-columns: 42px 1fr 42px; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--cream); }
.number-control button { border: 0; background: transparent; cursor: pointer; font-size: 18px; }
.number-control input { min-width: 0; padding: 12px 4px; border: 0; border-inline: 1px solid var(--line); outline: 0; background: white; text-align: center; }
.plan-summary { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 13px; line-height: 1.6; }
.timeline { display: grid; gap: 12px; }
.plan-item { display: grid; grid-template-columns: 82px 1fr; gap: 17px; padding: 21px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); }
.plan-date { display: grid; place-items: center; padding: 10px; border-radius: 14px; color: white; background: var(--forest-2); text-align: center; }
.plan-date strong { font-family: Georgia, serif; font-size: 20px; }
.plan-date span { font-size: 10px; }
.plan-words strong { display: block; margin-bottom: 8px; }
.plan-words p { margin: 0; color: var(--ink-soft); line-height: 1.7; }

.admin-tabs { display: flex; gap: 7px; margin-bottom: 18px; padding: 5px; width: fit-content; border-radius: 14px; background: #e8e4da; }
.admin-access-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.admin-tab { padding: 9px 17px; border: 0; border-radius: 10px; color: var(--ink-soft); background: transparent; cursor: pointer; }
.admin-tab.active { color: var(--ink); background: var(--white); box-shadow: 0 3px 12px rgba(30,55,48,.08); }
.admin-panel { display: none; }
.admin-panel.active { display: block; }
.admin-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 20px; }
.admin-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.admin-metrics article { position: relative; min-height: 154px; padding: 23px; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: var(--white); }
.admin-metrics article::after { content: ""; position: absolute; width: 76px; height: 76px; right: -26px; bottom: -32px; border-radius: 50%; background: color-mix(in srgb, var(--forest-2) 12%, transparent); }
.admin-metrics span, .admin-metrics small { display: block; color: var(--ink-soft); font-size: 11px; }
.admin-metrics strong { display: block; margin: 12px 0 7px; font-family: Georgia, serif; font-size: 38px; line-height: 1; }
.learner-section { padding: clamp(20px, 3vw, 30px); border: 1px solid var(--line); border-radius: var(--radius-xl); background: rgba(255,253,248,.68); }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.section-heading h2 { margin: 5px 0 0; font-family: "Songti SC", serif; font-size: 28px; }
.privacy-note { padding: 7px 11px; border-radius: 99px; color: var(--forest-2); background: #e2eee8; font-size: 10px; font-weight: 800; }
.learner-list { display: grid; gap: 10px; }
.learner-card { display: grid; grid-template-columns: minmax(190px, 1.35fr) repeat(4, minmax(70px, .55fr)) minmax(160px, 1fr); align-items: center; gap: 15px; padding: 17px 19px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); }
.learner-identity { min-width: 0; display: flex; align-items: center; gap: 12px; }
.learner-avatar { flex: 0 0 auto; width: 42px; height: 42px; display: grid; place-items: center; border-radius: 14px 14px 14px 4px; color: white; background: var(--learner-color); font-weight: 800; }
.learner-identity div { min-width: 0; display: grid; gap: 3px; }
.learner-identity strong, .learner-identity small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.learner-identity small, .learner-stat span { color: var(--ink-soft); font-size: 10px; }
.learner-stat { display: grid; gap: 3px; }
.learner-stat strong { font-family: Georgia, serif; font-size: 20px; }
.learner-daily { display: grid; gap: 8px; }
.learner-daily > div { display: flex; justify-content: space-between; gap: 8px; font-size: 10px; }
.learner-daily i { height: 6px; overflow: hidden; border-radius: 99px; background: #e5e8e3; }
.learner-daily b { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--forest-2), #63a28f); }
.surface-card { padding: 25px; border-radius: var(--radius-xl); }
.upload-box { min-height: 190px; padding: 28px; display: grid; place-items: center; align-content: center; gap: 7px; border: 1.5px dashed rgba(36,107,90,.38); border-radius: 20px; background: #f0f4ed; text-align: center; cursor: pointer; }
.upload-box input { display: none; }
.upload-box > span:last-child { color: var(--ink-soft); font-size: 12px; }
.upload-icon { width: 45px; height: 45px; display: grid; place-items: center; border-radius: 15px; color: white; background: var(--forest-2); font-size: 22px; }
.import-result, .import-review { margin-top: 16px; padding: 16px; border: 1px solid var(--line); border-radius: 16px; }
.import-result.empty, .import-review.empty { color: var(--ink-soft); border-style: dashed; text-align: center; }
.import-result-head, .review-card-head, .review-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.import-result-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 13px 0; }
.sequence-audit { margin-top: 13px; padding: 12px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; border-radius: 13px; }
.sequence-audit.complete { background: #e3efe9; }
.sequence-audit.incomplete { background: #f9e4dd; }
.sequence-audit div { display: grid; gap: 3px; }
.sequence-audit span { color: var(--ink-soft); font-size: 10px; }
.sequence-audit strong { font-size: 13px; }
.import-result-grid div { padding: 10px; border-radius: 11px; background: var(--cream); }
.import-result-grid strong { display: block; }
.import-result-grid span { color: var(--ink-soft); font-size: 10px; }
.import-list { display: flex; flex-wrap: wrap; gap: 6px; }
.import-chip { padding: 6px 9px; border-radius: 99px; color: var(--forest-2); background: #e2eee8; font-size: 11px; }
.review-cards { display: grid; gap: 10px; }
.pending-import-bar { margin-bottom: 14px; padding: 14px; display: flex; align-items: center; justify-content: space-between; gap: 14px; border-radius: 14px; color: white; background: var(--forest); }
.pending-import-bar p { margin: 3px 0 0; color: rgba(255,255,255,.65); font-size: 11px; }
.pending-import-bar.blocked { background: #773d32; }
.pending-import-bar button:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.review-card { padding: 15px; border: 1px solid var(--line); border-radius: 14px; }
.review-card.warn { border-color: #e9b284; }
.review-card-title { display: grid; gap: 3px; }
.review-meta, .review-issues { margin: 0; color: var(--ink-soft); font-size: 11px; }
.review-fields { display: grid; grid-template-columns: .7fr 1fr 1.4fr; gap: 8px; margin: 12px 0; }
.review-field, .word-form label { display: grid; gap: 5px; color: var(--ink-soft); font-size: 12px; }
.review-badge { padding: 4px 8px; border-radius: 99px; color: #9b5e20; background: #f7e8c9; font-size: 10px; }
.image-preview-list { margin-top: 16px; display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
.image-preview { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: white; }
.image-preview img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.image-preview figcaption, .image-ocr { padding: 9px 10px; font-size: 11px; }
.image-ocr { padding-top: 0; max-height: 75px; overflow: auto; color: var(--ink-soft); white-space: pre-wrap; }
.form-stack { display: flex; flex-direction: column; gap: 20px; }
.form-stack h2 { margin: 6px 0 0; font-family: "Songti SC", serif; font-size: 28px; }
.word-form { display: grid; gap: 12px; }
input, select, textarea { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 11px; outline: 0; color: var(--ink); background: white; }
input:focus, select:focus, textarea:focus { border-color: var(--forest-2); box-shadow: 0 0 0 3px rgba(36,107,90,.08); }
textarea { resize: vertical; }
.bulk-import { padding-top: 18px; border-top: 1px solid var(--line); }
.bulk-import h3 { margin: 0; }
.bulk-import p { color: var(--ink-soft); font-size: 11px; }
.bulk-import textarea { margin-bottom: 10px; }
.library-toolbar { margin-bottom: 15px; display: flex; justify-content: space-between; align-items: center; }
.library-toolbar > div:last-child { display: flex; gap: 8px; }
.library-toolbar input { width: 260px; }
.table-wrap { padding: 0; overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: 12px; }
th { color: var(--ink-soft); background: #f7f4ec; font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.inline-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.status-pill { display: inline-flex; padding: 4px 8px; border-radius: 99px; font-size: 10px; }
.status-pill.review { color: #985c21; background: #f8e8c6; }
.status-pill.mastered { color: #23624f; background: #deeee7; }
.status-pill.normal { color: #687873; background: #edf0ed; }

.empty-state { min-height: 100px; display: grid; place-items: center; color: var(--ink-soft); border: 1px dashed var(--line); border-radius: 18px; text-align: center; }
.app-status { margin-bottom: 18px; padding: 13px 16px; border: 1px solid #efb4a6; border-radius: 13px; color: #9b3422; background: #fde8e1; }
.modal-backdrop { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; background: rgba(12,35,29,.58); backdrop-filter: blur(8px); }
.modal-card { position: relative; width: min(440px, 100%); padding: 34px; border-radius: 28px; background: var(--white); box-shadow: 0 28px 90px rgba(0,0,0,.25); }
.modal-card h2 { margin: 8px 0; font-family: "Songti SC", serif; font-size: 30px; }
.modal-card > p { margin: 0 0 22px; color: var(--ink-soft); line-height: 1.6; }
.modal-card label { display: grid; gap: 7px; font-size: 12px; }
.modal-close { position: absolute; top: 16px; right: 18px; border: 0; background: none; font-size: 25px; cursor: pointer; }
.color-picker { display: flex; gap: 10px; margin: 18px 0 24px; }
.color-dot { width: 28px; height: 28px; border: 4px solid var(--white); border-radius: 50%; outline: 1px solid transparent; background: var(--dot); cursor: pointer; }
.color-dot.active { outline-color: var(--ink); }
.admin-login-card { overflow: hidden; }
.admin-login-card::before { content: ""; position: absolute; width: 180px; height: 180px; top: -95px; right: -70px; border-radius: 50%; background: #e5eee9; }
.admin-login-card > * { position: relative; z-index: 1; }
.admin-lock-icon { width: 48px; height: 48px; margin-bottom: 18px; display: grid; place-items: center; border-radius: 16px; color: white; background: var(--forest); font-family: Georgia, serif; font-size: 28px; transform: rotate(-12deg); }
.admin-login-card .cta-button { width: 100%; margin-top: 20px; }
.form-error { margin: 10px 0 0 !important; padding: 10px 12px; border-radius: 10px; color: #9b3422 !important; background: #fde8e1; font-size: 12px; }
.account-login-card .cta-button, #user-form > .cta-button { width: 100%; margin-top: 20px; }
.login-secondary { width: 100%; margin-top: 10px; }
.admin-entry-button { width: 100%; margin-top: 18px; padding: 15px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border: 1px solid rgba(36,107,90,.2); border-radius: 14px; color: var(--forest); background: #edf3ef; cursor: pointer; text-align: left; }
.admin-entry-button span { font-weight: 800; }
.admin-entry-button small { color: var(--ink-soft); font-size: 10px; }
.danger-button { color: var(--coral-dark); }

.reveal { animation: rise .55s both ease-out; }
.delay-1 { animation-delay: .07s; }
.delay-2 { animation-delay: .14s; }
.delay-3 { animation-delay: .21s; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1050px) {
  .app-shell { grid-template-columns: 86px minmax(0,1fr); }
  .sidebar { padding-inline: 13px; }
  .brand { justify-content: center; padding: 0; }
  .brand > span:last-child, .nav-item > span:last-of-type, .sidebar-quote { display: none; }
  .nav-item { grid-template-columns: 1fr; justify-items: center; padding: 13px 8px; }
  .nav-item b { position: absolute; margin: -24px 0 0 29px; }
  .settings-link { margin-top: auto; }
  .home-grid { grid-template-columns: 1fr; }
  .goal-card { min-height: 250px; }
  .progress-ring { width: 120px; height: 120px; margin: 18px 0; }
  .metrics-grid { grid-template-columns: 1fr; }
  .word-strip, .mistake-grid { grid-template-columns: repeat(2,1fr); }
  .admin-grid { grid-template-columns: 1fr; }
  .admin-metrics { grid-template-columns: 1fr 1fr; }
  .learner-card { grid-template-columns: minmax(190px, 1.4fr) repeat(2, minmax(70px, .55fr)); }
  .learner-daily { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .app-shell { display: block; }
  body.menu-open { overflow: hidden; }
  .sidebar { position: fixed; z-index: 80; left: 0; top: 0; width: min(280px, 82vw); padding: max(26px, env(safe-area-inset-top)) 20px max(24px, env(safe-area-inset-bottom)); transform: translateX(-105%); transition: transform .25s ease; box-shadow: 20px 0 60px rgba(0,0,0,.22); overflow-y: auto; }
  body.menu-open .sidebar { transform: translateX(0); }
  .menu-scrim { position: fixed; z-index: 70; inset: 0; width: 100%; height: 100%; opacity: 0; visibility: hidden; background: rgba(13, 35, 30, .46); transition: opacity .25s ease, visibility .25s ease; }
  body.menu-open .menu-scrim { opacity: 1; visibility: visible; }
  .brand { justify-content: flex-start; }
  .brand > span:last-child, .nav-item > span:last-of-type { display: block; }
  .nav-item { grid-template-columns: 28px 1fr auto; justify-items: initial; padding: 13px 14px; }
  .topbar { height: calc(62px + env(safe-area-inset-top)); padding: env(safe-area-inset-top) max(14px, env(safe-area-inset-right)) 0 max(14px, env(safe-area-inset-left)); }
  .mobile-only { display: grid; }
  .icon-button { width: 35px; height: 35px; place-items: center; border: 1px solid var(--line); border-radius: 10px; background: var(--white); }
  .breadcrumb { display: none; }
  .user-controls { gap: 7px; }
  .text-button { display: none; }
  .user-switcher { min-width: 0; max-width: 165px; padding-block: 5px; }
  .avatar { width: 31px; height: 31px; font-size: 12px; }
  .header-logout { width: 35px; height: 35px; overflow: hidden; border: 1px solid var(--line); border-radius: 50%; background: var(--white); font-size: 0; }
  .header-logout::before { content: "↗"; font-size: 17px; }
  .header-logout { display: none; }
  .header-admin-entry { width: 35px; height: 35px; font-size: 17px; }
  .mobile-user-logout { display: grid; margin-top: 14px; border-top: 1px solid rgba(255,255,255,.1); border-radius: 0; padding-top: 18px; }
  .content { width: 100%; max-width: 430px; padding: 22px max(14px, env(safe-area-inset-right)) max(60px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left)); }
  .welcome-row { align-items: center; text-align: center; }
  .welcome-row > div:first-child { width: 100%; }
  .welcome-row p:not(.overline) { margin-inline: auto; }
  .date-stamp { display: none; }
  .welcome-row h1, .page-intro h1 { font-size: 30px; line-height: 1.2; }
  .welcome-row p:not(.overline), .page-intro > p { font-size: 13px; line-height: 1.7; }
  .focus-card { min-height: auto; padding: 26px 20px; grid-template-columns: 1fr; text-align: center; }
  .focus-card h2 { font-size: 27px; }
  .focus-card p { font-size: 13px; }
  .cta-button { padding: 12px 17px; font-size: 13px; }
  .focus-card .cta-button { margin-inline: auto; }
  .focus-visual { display: none; }
  .metrics-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .metrics-grid .metric-card:first-child { grid-column: 1 / -1; }
  .word-strip, .mistake-grid, .quiz-options { grid-template-columns: 1fr; }
  .metric-card { min-height: 128px; padding: 16px 13px; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 6px; text-align: center; }
  .metric-card strong { font-size: 25px; }
  .metric-card small, .metric-card p { font-size: 11px; }
  .metric-card > :last-child { grid-column: auto; }
  .metric-card .metric-icon { margin: 0 auto; }
  .metric-card p { margin-block: 2px; }
  .quiz-stage { width: 100%; margin-inline: auto; }
  .quiz-stage.reveal { animation: none; }
  .quiz-stage, .quiz-stage > *, .quiz-stage-head > div, .quiz-card-main, #quiz-content, .quiz-options { min-width: 0; max-width: 100%; }
  .quiz-stage-head { align-items: center; justify-content: center; margin-bottom: 15px; text-align: center; }
  .quiz-stage-head > div:first-child { width: 100%; }
  .quiz-stage-head h1 { margin-inline: auto; font-size: clamp(25px, 7vw, 29px); line-height: 1.2; }
  .session-score { display: none; }
  .quiz-card-main { padding: 18px 14px 15px; border-radius: 21px; }
  .quiz-meta { justify-content: center; text-align: center; }
  .quiz-feedback:not(:empty) { margin-left: 8px; }
  .question-word { margin-block: 22px; }
  .question-word h2 { font-size: clamp(42px, 13vw, 56px); }
  .question-word p { font-size: 15px; }
  .spoken-word { gap: 10px; }
  .pronounce-button { width: 36px; height: 36px; font-size: 17px; }
  .quiz-options { gap: 8px; }
  .option-btn { min-height: 58px; padding: 12px 14px; font-size: 13px; -webkit-tap-highlight-color: transparent; }
  .option-btn::before { width: 25px; height: 25px; margin-right: 9px; }
  .option-btn:focus, .option-btn:focus-visible { outline: none; box-shadow: none; }
  .quiz-footer { align-items: stretch; flex-direction: column; }
  .quiz-result-grid { grid-template-columns: 1fr; gap: 8px; }
  .quiz-result-grid div { padding: 14px; }
  .page-intro { text-align: center; }
  .page-intro > p { margin-inline: auto; }
  .mistake-summary { gap: 20px; justify-content: center; flex-wrap: wrap; text-align: center; }
  .mistake-summary .cta-button { width: 100%; margin: 0; }
  .plan-layout { grid-template-columns: 1fr; }
  .target-card { position: static; }
  .plan-item { grid-template-columns: 68px 1fr; }
  .library-toolbar { align-items: stretch; flex-direction: column; gap: 12px; }
  .admin-access-row { align-items: stretch; flex-direction: column; }
  .admin-access-row .admin-tabs { margin-bottom: 0; }
  .library-toolbar > div:last-child { flex-direction: column; }
  .library-toolbar input { width: 100%; }
  .table-wrap { max-height: 68vh; overflow-y: auto; border-radius: 18px; }
  .table-wrap table, .table-wrap tbody { display: block; width: 100%; }
  .table-wrap thead { display: none; }
  .table-wrap tr { display: grid; gap: 9px; padding: 18px 16px; border-bottom: 1px solid var(--line); }
  .table-wrap tr:last-child { border-bottom: 0; }
  .table-wrap td { display: grid; grid-template-columns: 62px minmax(0, 1fr); align-items: start; gap: 10px; padding: 0; border: 0; overflow-wrap: anywhere; }
  .table-wrap td::before { content: attr(data-label); color: var(--ink-soft); font-size: 10px; font-weight: 800; letter-spacing: .06em; }
  .table-wrap .inline-actions { margin-top: -4px; }
  .table-wrap .ghost-button { min-height: 42px; }
  .review-fields { grid-template-columns: 1fr; }
  .sequence-audit { grid-template-columns: 1fr 1fr; }
  .pending-import-bar { align-items: stretch; flex-direction: column; }
  .admin-tabs { width: 100%; overflow-x: auto; }
  .admin-tab { flex: 1 0 auto; }
  .admin-metrics { gap: 9px; }
  .admin-metrics article { min-height: 126px; padding: 18px; }
  .admin-metrics strong { font-size: 31px; }
  .learner-section { padding: 17px 13px; }
  .section-heading { align-items: flex-start; }
  .learner-card { grid-template-columns: repeat(2, 1fr); gap: 13px; padding: 16px; }
  .learner-identity, .learner-daily { grid-column: 1 / -1; }
  .learner-stat { padding-top: 10px; border-top: 1px solid var(--line); }
  .admin-entry-button { align-items: flex-start; flex-direction: column; }
  .modal-backdrop { align-items: end; padding: 12px max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left)); }
  .modal-card { max-height: calc(100vh - 24px - env(safe-area-inset-top)); padding: 28px 22px; border-radius: 24px; overflow-y: auto; }
  .modal-close { width: 44px; height: 44px; top: 8px; right: 8px; }
  .color-dot { width: 36px; height: 36px; }
}

@media (max-width: 360px) {
  .user-switcher { max-width: 145px; }
  .welcome-row h1, .page-intro h1 { font-size: 28px; }
  .focus-card { padding: 26px 20px; }
  .admin-tab { padding-inline: 13px; }
}

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }