/* Insight Mandarin
   Identitas: buku latihan menulis (kotak 田字格 bergaris merah putus-putus),
   tinta gelap kehijauan, dan cap merah cinnabar. */
:root {
  --paper: #f1f5f2;
  --surface: #ffffff;
  --ink: #1d2422;
  --muted: #5d6a66;
  --line: #d6dfda;
  --seal: #c8322b;
  --seal-dark: #a3241e;
  --on-seal: #ffffff;
  --jade: #2f7d6d;
  --jade-soft: #dcefe9;
  --gold: #b9862a;
  --gold-soft: #f6ead0;
  --grid: #e2b3ad;
  --grid-strong: #d3867e;
  --err-soft: #f8dedb;
  --radius-lg: 18px;
  --radius: 10px;
  --radius-sm: 6px;
  --hz: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --ui: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121816;
    --surface: #1a2220;
    --ink: #e7eeeb;
    --muted: #9aa8a3;
    --line: #2b3633;
    --seal: #e0544b;
    --seal-dark: #c63f37;
    --jade: #63b8a4;
    --jade-soft: #1d3530;
    --gold: #e0b555;
    --gold-soft: #3a3020;
    --grid: #5c3935;
    --grid-strong: #8a4a44;
    --err-soft: #3d2220;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.6 var(--ui);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
a { color: var(--seal); text-underline-offset: 3px; }
a:hover { color: var(--seal-dark); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.75rem, 3.2vw, 2.4rem); font-weight: 800; }
h2 { font-size: 1.25rem; font-weight: 700; margin-top: 2.2rem; }
h3 { font-size: 1.05rem; font-weight: 700; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--jade); outline-offset: 2px; border-radius: 4px; }
[hidden] { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
[lang="zh-CN"], .hz { font-family: var(--hz); }
.py { color: var(--jade); font-weight: 600; margin: 0; }
.py.big { font-size: 2rem; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 60ch; }

/* ---------- Tombol & badge ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4em;
  padding: .72em 1.25em; border-radius: 999px; border: 2px solid var(--seal);
  background: var(--seal); color: var(--on-seal); font: 700 .95rem/1.2 var(--ui);
  text-decoration: none; cursor: pointer; transition: background .15s, transform .1s;
}
.btn:hover { background: var(--seal-dark); border-color: var(--seal-dark); color: var(--on-seal); }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn.block { width: 100%; }
.btn.sm { padding: .45em .9em; font-size: .85rem; }
.btn.danger { background: transparent; color: var(--seal); border-color: var(--seal); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0 1rem; }
.actions.center { justify-content: center; }
.badge { display: inline-block; font-size: .78rem; font-weight: 700; padding: .2em .7em; border-radius: 999px; text-decoration: none; white-space: nowrap; }
.badge.gold { background: var(--gold-soft); color: var(--gold); }
.badge.jade { background: var(--jade-soft); color: var(--jade); }
.badge.outline { border: 1.5px solid var(--seal); color: var(--seal); }
.badge.grey { background: var(--line); color: var(--muted); }

/* ---------- Topbar ---------- */
.topbar, .landing-top {
  display: flex; align-items: center; gap: 1.5rem; padding: .8rem clamp(16px, 4vw, 40px);
  background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10;
}
.landing-top { background: transparent; border: 0; position: static; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); text-decoration: none; font-weight: 800; }
.brand:hover { color: var(--ink); }
.seal {
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 8px;
  background: var(--seal); color: var(--on-seal); font: 900 20px/1 var(--hz);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.25);
}
.mainnav { display: flex; gap: .25rem; flex: 1; overflow-x: auto; scrollbar-width: none; }
.mainnav a { padding: .45rem .8rem; border-radius: 999px; color: var(--muted); text-decoration: none; font-weight: 600; white-space: nowrap; }
.mainnav a:hover { color: var(--ink); }
.mainnav a[aria-current="page"] { background: var(--ink); color: var(--paper); }
.userbox { display: flex; align-items: center; gap: .8rem; }
.logout { color: var(--muted); font-size: .9rem; }
@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; gap: .6rem 1rem; }
  .brand span:last-child { display: none; }
  .mainnav { order: 3; flex-basis: 100%; }
  .userbox { margin-left: auto; }
}

.flash { max-width: 1040px; margin: 1rem auto 0; padding: .8rem 1rem; border-radius: var(--radius); background: var(--jade-soft); color: var(--jade); font-weight: 600; width: calc(100% - 32px); }
.flash.info { background: var(--gold-soft); color: var(--gold); }
.flash.err { background: var(--err-soft); color: var(--seal); }
.notice { padding: .7rem 1rem; border-radius: var(--radius); font-weight: 600; }
.notice.ok { background: var(--jade-soft); color: var(--jade); }
.notice.err { background: var(--err-soft); color: var(--seal); }

.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding: 2rem 16px 3rem; }
.wrap.narrow { max-width: 640px; }
.back { display: inline-block; margin-bottom: 1rem; color: var(--muted); font-size: .92rem; }
.foot { text-align: center; color: var(--muted); font-size: .85rem; padding: 2rem 16px; }

/* ---------- 田字格: kotak latihan ---------- */
.tianzige {
  position: relative; display: inline-grid; place-items: center; aspect-ratio: 1;
  background: var(--surface); border: 2px solid var(--grid-strong); flex: none;
}
.tianzige::before, .tianzige::after { content: ""; position: absolute; pointer-events: none; }
.tianzige::before { left: 0; right: 0; top: 50%; border-top: 1.5px dashed var(--grid); }
.tianzige::after { top: 0; bottom: 0; left: 50%; border-left: 1.5px dashed var(--grid); }
.tianzige > * { position: relative; z-index: 1; }
.tianzige.sm { width: 58px; border-radius: 4px; }
.tianzige.sm > span { font: 700 34px/1 var(--hz); }
.tianzige.big { width: min(100%, 360px); }
.tianzige.big > div { width: 100%; height: 100%; display: grid; place-items: center; }

/* ---------- Landing ---------- */
.hero {
  max-width: 1080px; margin: 0 auto; padding: clamp(1rem, 4vw, 3rem) 16px 3rem;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 5vw, 4rem); align-items: center;
}
.hero h1 { font-size: clamp(2.3rem, 5.4vw, 4rem); line-height: 1.05; letter-spacing: -.03em; max-width: 14ch; }
.hero-grid { margin: 0; display: grid; justify-items: center; gap: 1rem; }
.hero-grid .tianzige { width: min(100%, 300px); border-width: 3px; box-shadow: 10px 10px 0 var(--grid); }
.hero-fallback { font: 700 170px/1 var(--hz); color: var(--ink); }
.hero-grid figcaption { display: flex; align-items: baseline; gap: .8rem; font-size: 1.05rem; }
.hero-grid figcaption .hz { font-size: 1.6rem; font-weight: 700; }
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; }
  .hero-grid { order: -1; }
  .hero-grid .tianzige { width: 220px; }
}
.band { background: var(--surface); border-block: 1px solid var(--line); padding: 3rem 16px; }
.loop { max-width: 1080px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
.loop h2 { margin-top: 0; display: flex; align-items: center; gap: .7rem; }
.loop p { color: var(--muted); }
.hz-mark { display: inline-grid; place-items: center; width: 44px; height: 44px; border: 2px solid var(--grid-strong); font: 700 26px/1 var(--hz); color: var(--seal); }
@media (max-width: 760px) { .loop { grid-template-columns: 1fr; gap: 1.5rem; } }
.pricing-teaser { max-width: 1080px; margin: 0 auto; padding: 3rem 16px; }
.pricing-teaser h2 { margin-top: 0; }

/* ---------- Paket ---------- */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-top: 1.2rem; }
.plan { background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--radius-lg); padding: 1.5rem; display: flex; flex-direction: column; gap: .4rem; }
.plan h3 { margin: 0; }
.plan .price { color: var(--ink); font-size: 1.8rem; font-weight: 800; margin: 0; letter-spacing: -.02em; }
.plan .price small { font-size: .9rem; font-weight: 500; color: var(--muted); }
.plan p { color: var(--muted); margin: 0; }
.plan.featured { border-color: var(--seal); border-width: 2px; }
.plan form, .plan .btn { margin-top: auto; }
.plan ul { margin: .4rem 0 1rem; padding-left: 1.1rem; color: var(--muted); }

/* ---------- Auth & form ---------- */
.auth { display: grid; place-items: center; padding: 3rem 16px; }
.auth-card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 2rem; }
.auth-card .brand { margin-bottom: 1.5rem; }
.form { display: grid; gap: 1rem; margin: 1rem 0; }
.form label { display: grid; gap: .35rem; font-weight: 600; font-size: .92rem; }
input, select, textarea {
  font: inherit; color: var(--ink); background: var(--paper); border: 1.5px solid var(--line);
  border-radius: var(--radius); padding: .65rem .8rem; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--jade); }
.goal { border: 0; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; }
.goal legend { font-weight: 600; font-size: .92rem; margin-bottom: .35rem; }
.chip input { position: absolute; opacity: 0; }
.chip span { display: block; text-align: center; padding: .55rem .2rem; border: 1.5px solid var(--line); border-radius: var(--radius); font-weight: 700; font-size: .9rem; line-height: 1.3; cursor: pointer; }
.chip small { font-weight: 500; color: var(--muted); }
.chip input:checked + span { border-color: var(--seal); background: var(--err-soft); }
.chip input:focus-visible + span { outline: 3px solid var(--jade); }
.inline-form { display: flex; gap: .6rem; max-width: 420px; margin: 1rem 0 1.5rem; }

/* ---------- Dashboard ---------- */
.today { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(1.25rem, 3vw, 2rem); }
.today h1 { font-family: var(--hz), var(--ui); }
.today-stats { display: grid; gap: 1.2rem; margin: 0; min-width: 200px; }
.today-stats dt { font-size: .85rem; color: var(--muted); }
.today-stats dd { margin: 0; font-size: 2rem; font-weight: 800; line-height: 1.1; }
.today-stats dd small { font-size: .9rem; font-weight: 500; color: var(--muted); }
@media (max-width: 680px) { .today { grid-template-columns: 1fr; } .today-stats { grid-template-columns: 1fr 1fr; } }
.meter { height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; margin: .4rem 0; }
.meter span { display: block; height: 100%; background: var(--jade); border-radius: inherit; transition: width .3s; }
.levels { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1rem; }
.level-card { display: grid; gap: .3rem; padding: 1.2rem; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.level-card:hover { border-color: var(--ink); color: var(--ink); }
.level-card.locked { opacity: .7; }
.level-name { font-weight: 800; color: var(--seal); }
.level-num { font-size: 1.6rem; font-weight: 800; }
.level-num small { font-size: .85rem; font-weight: 500; color: var(--muted); }

/* ---------- Daftar pelajaran ---------- */
.tabs { display: flex; gap: .4rem; flex-wrap: wrap; margin: 1rem 0 1.5rem; }
.tabs a { padding: .5rem 1rem; border-radius: 999px; border: 1.5px solid var(--line); color: var(--ink); text-decoration: none; font-weight: 700; }
.tabs a[aria-current="page"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.lock { font-size: .8em; }
.lesson-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .7rem; }
.lesson-row { display: flex; align-items: center; gap: 1rem; padding: .9rem 1.1rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); color: var(--ink); text-decoration: none; }
.lesson-row:hover { border-color: var(--ink); color: var(--ink); }
.lesson-row.locked { opacity: .65; }
.lesson-row.done .tianzige { border-color: var(--jade); }
.lr-body { display: grid; gap: .1rem; flex: 1; min-width: 0; }
.lr-level { font-size: .82rem; color: var(--seal); font-weight: 700; margin: 0; }
.lr-preview { color: var(--muted); font-size: 1.05rem; letter-spacing: .1em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lr-meta { display: grid; justify-items: end; gap: .25rem; font-size: .85rem; color: var(--muted); }
.lr-meta .score { color: var(--jade); font-weight: 700; }
.lr-go { font-weight: 700; color: var(--seal); }
.upsell { display: flex; align-items: center; gap: 1.5rem; justify-content: space-between; padding: 1.2rem 1.4rem; border-radius: var(--radius-lg); background: var(--gold-soft); margin-bottom: 1.5rem; }
.upsell p { margin: 0; max-width: 60ch; }
@media (max-width: 640px) { .upsell { flex-direction: column; align-items: flex-start; } .lr-meta { display: none; } }
.empty { text-align: center; padding: 2.5rem 1.5rem; background: var(--surface); border: 1.5px dashed var(--line); border-radius: var(--radius-lg); }
.hz-big { font: 900 3.5rem/1.1 var(--hz); color: var(--seal); margin: 0 0 .5rem; }

/* ---------- Isi pelajaran ---------- */
.lesson-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.lesson-head p { margin: 0; }
.lesson-actions { display: flex; gap: .6rem; flex-wrap: wrap; }
.word-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }
.word-card { display: flex; gap: 1rem; padding: 1rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.hz-btn {
  position: relative; flex: none; width: 92px; height: 92px; align-self: flex-start; display: grid; place-items: center;
  background: var(--surface); border: 2px solid var(--grid-strong); border-radius: 4px; cursor: pointer; padding: 0; color: var(--ink);
}
.hz-btn::before, .hz-btn::after { content: ""; position: absolute; pointer-events: none; }
.hz-btn::before { left: 0; right: 0; top: 50%; border-top: 1.5px dashed var(--grid); }
.hz-btn::after { top: 0; bottom: 0; left: 50%; border-left: 1.5px dashed var(--grid); }
.hz-btn .hz { position: relative; z-index: 1; font-weight: 700; font-size: 44px; line-height: 1; }
.hz-btn:hover, .hz-btn.speaking { border-color: var(--seal); }
.hz-btn.speaking .hz { color: var(--seal); }
.hz-btn.len-2 .hz { font-size: 34px; }
.hz-btn.len-3 .hz { font-size: 24px; }
.hz-btn.len-4 .hz { font-size: 19px; letter-spacing: -.02em; }
.hz-btn.pair .hz { font-size: 28px; line-height: 1.25; }
.wc-body { display: grid; gap: .25rem; align-content: start; min-width: 0; }
.wc-body .py { font-size: 1.1rem; }
.meaning { font-weight: 600; margin: 0; }
.example { all: unset; cursor: pointer; display: grid; gap: .1rem; margin-top: .4rem; padding: .5rem .7rem; border-left: 3px solid var(--grid); border-radius: 0 6px 6px 0; font-size: .92rem; }
.example:hover, .example.speaking { border-left-color: var(--seal); background: var(--paper); }
.example:focus-visible { outline: 3px solid var(--jade); }
.example [lang="zh-CN"] { font-size: 1.08rem; }
.example .py { font-weight: 500; font-size: .88rem; }
.write-link { font-size: .85rem; margin-top: .3rem; }
.lesson-foot { margin-top: 2rem; display: grid; gap: 1.5rem; }
.lesson-foot p { display: flex; align-items: center; gap: .6rem; }
.pager { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-weight: 600; }

/* ---------- Flashcard ---------- */
.review-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.seg { display: inline-flex; border: 1.5px solid var(--line); border-radius: 999px; padding: 3px; }
.seg button { border: 0; background: none; font: 600 .85rem var(--ui); padding: .4rem .8rem; border-radius: 999px; cursor: pointer; color: var(--muted); }
.seg button.on { background: var(--ink); color: var(--paper); }
.flashcard {
  margin: 1.2rem 0; min-height: 320px; display: grid; place-items: center; text-align: center; cursor: pointer;
  background: var(--surface); border: 2px solid var(--grid-strong); border-radius: var(--radius-lg); padding: 2rem 1.5rem;
  background-image: linear-gradient(var(--grid), var(--grid)), linear-gradient(var(--grid), var(--grid));
  background-size: 100% 1px, 1px 100%; background-position: center; background-repeat: no-repeat;
}
.flashcard .fc-front, .flashcard .fc-back { display: grid; gap: .4rem; justify-items: center; background: var(--surface); padding: .5rem 1rem; border-radius: var(--radius); }
.flashcard .hz { font-size: clamp(4rem, 14vw, 6.5rem); font-weight: 700; line-height: 1.1; }
.flashcard .py { font-size: 1.5rem; }
.flashcard .example { text-align: left; }
.flashcard .example .py { font-size: .9rem; }
.flashcard .meaning { font-size: 1.2rem; }
.meaning-q { font-size: 1.8rem; font-weight: 700; }
.grades { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; }
.grades button { font: 700 .95rem var(--ui); padding: .85rem .3rem; border-radius: var(--radius); border: 2px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; display: grid; gap: .1rem; }
.grades small { font-weight: 500; color: var(--muted); font-size: .72rem; }
.grades .g-0 { border-color: var(--seal); color: var(--seal); }
.grades .g-3 { border-color: var(--gold); color: var(--gold); }
.grades .g-4 { border-color: var(--jade); color: var(--jade); }
.grades .g-5 { background: var(--jade); border-color: var(--jade); color: #fff; }
.grades .g-5 small { color: rgba(255,255,255,.8); }

/* ---------- Kuis ---------- */
.quiz { margin-top: 1.2rem; display: grid; gap: 1rem; }
.qz-kind { margin: 0; color: var(--muted); font-weight: 600; }
.qz-prompt { display: flex; flex-direction: column; align-items: center; gap: .6rem; padding: 2rem 1rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); text-align: center; }
.qz-prompt .hz { font-size: 4.5rem; font-weight: 700; line-height: 1.1; }
.say { all: unset; cursor: pointer; color: var(--seal); font-weight: 600; font-size: .9rem; }
.say:focus-visible { outline: 3px solid var(--jade); }
.qz-options { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.qz-options button { font: 600 1rem var(--ui); padding: .9rem; border-radius: var(--radius); border: 2px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; text-align: center; }
.qz-options.hz-opts button { font: 700 1.8rem/1.2 var(--hz); }
.qz-options button:hover:not(:disabled) { border-color: var(--ink); }
.qz-options button.right { border-color: var(--jade); background: var(--jade-soft); color: var(--jade); }
.qz-options button.wrong { border-color: var(--seal); background: var(--err-soft); color: var(--seal); }
.qz-options button:disabled { cursor: default; }
.qz-feedback { min-height: 1.6em; margin: 0; font-weight: 600; }
.qz-feedback.ok { color: var(--jade); }
.qz-feedback.err { color: var(--seal); }

/* ---------- Menulis ---------- */
.writer-layout { display: grid; grid-template-columns: 1fr 220px; gap: 2rem; align-items: start; }
.writer-main { display: grid; justify-items: center; gap: 1rem; text-align: center; }
.writer-main .tianzige { border-width: 3px; touch-action: none; }
.writer-info .py { font-size: 1.4rem; }
.writer-tools { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; }
.char-strip { display: grid; grid-template-columns: repeat(auto-fill, minmax(56px, 1fr)); gap: .5rem; }
.char-pick { font: 700 1.7rem/1 var(--hz); aspect-ratio: 1; border: 1.5px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); color: var(--ink); cursor: pointer; }
.char-pick.on { border-color: var(--seal); color: var(--seal); border-width: 2px; }
@media (max-width: 760px) { .writer-layout { grid-template-columns: 1fr; } .char-strip { grid-template-columns: repeat(auto-fill, minmax(48px, 1fr)); } }

/* ---------- Tabel & admin ---------- */
.table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: .93rem; }
.table th, .table td { padding: .65rem .8rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { font-size: .82rem; color: var(--muted); font-weight: 700; background: var(--paper); }
.table tr:last-child td { border-bottom: 0; }
.table-wrap { overflow-x: auto; }
.admin-nav { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.admin-nav a { padding: .45rem .9rem; border-radius: 999px; border: 1.5px solid var(--line); color: var(--ink); text-decoration: none; font-weight: 600; font-size: .9rem; }
.admin-nav a[aria-current="page"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1rem 1.2rem; }
.stat b { display: block; font-size: 1.7rem; }
.stat span { color: var(--muted); font-size: .85rem; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.2rem; margin-bottom: 1.5rem; }
.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .8rem; align-items: end; }
.grid-form label { display: grid; gap: .3rem; font-weight: 600; font-size: .85rem; }
.grid-form .wide { grid-column: 1 / -1; }
.row-actions { display: flex; gap: .4rem; flex-wrap: wrap; }
.row-actions form { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}
@media (max-width: 420px) {
  .mainnav a { padding: .4rem .6rem; font-size: .92rem; }
}

/* ---------- Tagihan transfer manual ---------- */
.bill { background: var(--surface); border: 2px solid var(--grid-strong); border-radius: var(--radius-lg); padding: .5rem 1.4rem; margin: 1.2rem 0; }
.bill-row { display: flex; align-items: center; gap: .8rem; padding: .8rem 0; border-bottom: 1px dashed var(--grid); flex-wrap: wrap; }
.bill-row:last-child { border-bottom: 0; }
.bill-row > .muted { flex: 0 0 120px; font-size: .9rem; }
.bill-amount { font-size: 1.8rem; font-weight: 800; letter-spacing: -.01em; }
.bill-acc { font-size: 1.3rem; font-weight: 800; letter-spacing: .06em; font-variant-numeric: tabular-nums; }
.bill-hint { margin: 0; padding: .6rem .8rem; background: var(--gold-soft); color: var(--ink); border-radius: var(--radius); font-size: .9rem; }
.copy { margin-left: auto; font: 600 .85rem var(--ui); padding: .35rem .8rem; border-radius: 999px; border: 1.5px solid var(--line); background: var(--paper); color: var(--ink); cursor: pointer; }
.copy:hover { border-color: var(--ink); }
.proof-thumb { display: block; max-width: 120px; max-height: 90px; border-radius: 6px; border: 1px solid var(--line); object-fit: cover; }
@media (max-width: 480px) {
  .bill { padding: .3rem 1rem; }
  .bill-row { gap: .2rem .8rem; }
  .bill-row > .muted { flex-basis: 100%; }
  .bill-amount { font-size: 1.6rem; }
}