/* =========================================================
   Ehon — app layout & components
   ========================================================= */

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(16px) saturate(1.25);
  border-bottom: 1.5px solid rgba(189, 230, 241, .8);
  box-shadow: 0 4px 22px rgba(90, 174, 232, .07);
}
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 1.2rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-size: 1.45rem; letter-spacing: -.03em; flex: none; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 13px;
  background: linear-gradient(135deg, #ff9b74, var(--primary) 55%, #ff5f70); color: #fff;
  display: grid; place-items: center; box-shadow: 0 5px 0 #ffd8d1, 0 8px 16px #f26b5b2e;
  transform: rotate(-4deg);
}
.brand-mark svg { width: 24px; height: 24px; }
.brand:hover .brand-mark { transform: rotate(3deg) scale(1.03); }
.main-nav { display: flex; align-items: center; gap: .2rem; margin-left: .4rem; }
.nav-link { padding: .55rem .8rem; border-radius: 999px; font-size: .9rem; font-weight: 650; color: var(--ink-soft); transition: background .15s, color .15s; }
.nav-link:hover, .nav-link.active { background: linear-gradient(180deg, #e9faff, #ddf7f2); color: var(--teal-dark); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: .5rem; }
.demo-pill { display: inline-flex; align-items: center; gap: .35rem; padding: .32rem .62rem; border-radius: 999px; background: var(--yellow-soft); color: #755407; font-size: .72rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.demo-pill .dot { width: 6px; height: 6px; border-radius: 50%; background: #c58a0a; animation: pulse 2s infinite; }
.user-button { display: flex; align-items: center; gap: .55rem; padding: .28rem .55rem .28rem .3rem; border: 1.5px solid var(--border); border-radius: 999px; background: var(--surface); }
.user-button:hover { border-color: var(--border-strong); background: var(--surface-2); }
.user-button .name { max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .84rem; font-weight: 700; }
.user-menu-wrap { position: relative; }
.user-menu {
  position: absolute; right: 0; top: calc(100% + 10px); z-index: 120;
  width: 230px; padding: .45rem; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
}
.user-menu a, .user-menu button { display: flex; align-items: center; gap: .6rem; width: 100%; padding: .6rem .7rem; border: 0; border-radius: 8px; background: transparent; text-align: left; font-size: .88rem; }
.user-menu a:hover, .user-menu button:hover { background: var(--surface-2); }
.user-menu .sep { height: 1px; background: var(--border); margin: .35rem 0; }
.user-menu .quota-mini { padding: .55rem .7rem; font-size: .78rem; color: var(--muted); }
.mobile-tabbar { display: none; }

/* Footer */
.site-footer { margin-top: clamp(3rem, 8vw, 6rem); padding: 3rem 0 2rem; border-top: 1.5px solid var(--border); background: linear-gradient(180deg, #f4fcff, #fff9ec); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 2rem; }
.footer-brand p { margin-top: .7rem; max-width: 330px; font-size: .88rem; color: var(--muted); }
.footer-col h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: .8rem; }
.footer-col a, .footer-col button { display: block; padding: .25rem 0; border: 0; background: none; color: var(--ink-soft); font-size: .88rem; text-align: left; }
.footer-col a:hover, .footer-col button:hover { color: var(--primary-dark); }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.4rem; padding-top: 1.2rem; border-top: 1px solid var(--border); font-size: .78rem; color: var(--muted); }

/* Landing */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(2.4rem, 7vw, 5.2rem) 0 clamp(2.5rem, 6vw, 4.8rem);
  background:
    radial-gradient(circle at 84% 16%, #ffe28a 0 7%, #ffe28a66 0 15%, transparent 34%),
    radial-gradient(ellipse at 8% 78%, #ffffffd9 0 9%, transparent 24%),
    linear-gradient(180deg, #e8faff 0%, #f7feff 48%, #fffdf6 100%);
}
.hero::before { content: ""; position: absolute; width: 520px; height: 520px; right: -180px; top: -220px; border-radius: 50%; background: radial-gradient(circle, #ffd16655, transparent 68%); pointer-events: none; }
.hero::after { content: ""; position: absolute; width: 420px; height: 420px; left: -200px; bottom: -210px; border-radius: 50%; background: radial-gradient(circle, #7cd8f255, transparent 68%); pointer-events: none; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.hero-copy h1 { margin-top: .7rem; font-size: clamp(2.25rem, 4.05vw, 3.8rem); text-wrap: balance; }
.section-tight#truyen-mau { background: linear-gradient(180deg, transparent, #fff9e9 12%, #fff9e9 88%, transparent); }
.hero-copy .eyebrow { background: #fff; border: 1.5px solid #faecd0; box-shadow: 0 4px 0 #fff2cf, 0 8px 18px #f4c95d1f; padding: .45rem .75rem; border-radius: 999px; }
.hero-copy h1 .accent { color: var(--primary); position: relative; white-space: nowrap; }
.hero-copy h1 .accent::after { content: ""; position: absolute; left: 0; right: 0; bottom: .02em; height: .16em; border-radius: 99px; background: linear-gradient(90deg, #ffe08a, #ffd166); opacity: .8; z-index: -1; }
.hero-copy .lede { margin-top: 1.2rem; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.6rem; }
.hero-note { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.25rem; font-size: .8rem; color: var(--muted); }
.hero-note span { display: inline-flex; align-items: center; gap: .35rem; }
.hero-note .icon { color: var(--teal); }
.hero-art { position: relative; min-height: 440px; display: grid; place-items: center; }
.book-mock {
  position: relative; width: min(100%, 480px); aspect-ratio: 1.28;
  transform: rotate(2.5deg);
  filter: drop-shadow(0 30px 45px rgba(45, 95, 120, .22));
}
.book-mock::before {
  content: ""; position: absolute; inset: 3% -3% -5% 4%;
  background: linear-gradient(135deg, #ffe6a6, #ffd3c9); border-radius: 22px; transform: rotate(-4deg); z-index: -1;
}
.book-cover {
  position: absolute; inset: 0; border-radius: 18px; overflow: hidden;
  border: 6px solid #fff; background: #fff;
  display: flex; flex-direction: column;
}
.book-cover .scene { flex: 1; min-height: 0; }
.book-cover .cover-copy { padding: .9rem 1.1rem 1.1rem; background: #fff; }
.book-cover .cover-copy .kicker { font-size: .66rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; color: var(--primary-dark); }
.book-cover .cover-copy h3 { margin-top: .2rem; font-size: clamp(1.2rem, 2.4vw, 1.7rem); line-height: 1.14; }
.float-card {
  position: absolute; z-index: 3; display: flex; align-items: center; gap: .6rem;
  padding: .7rem .85rem; border-radius: 16px; background: #fff;
  box-shadow: 0 5px 0 #e5f6fa, var(--shadow); border: 1.5px solid var(--border); font-size: .78rem; font-weight: 700;
  animation: floaty 5s ease-in-out infinite;
}
.float-card .icon { color: var(--primary); }
.float-a { left: -3%; top: 12%; }
.float-b { right: -3%; bottom: 15%; animation-delay: -2.5s; }
@keyframes floaty { 0%,100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-8px) rotate(1deg); } }
.hero-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin-top: 1.8rem; max-width: 540px; }
.hero-step { display: flex; align-items: center; gap: .55rem; padding: .6rem .7rem; border-radius: 14px; background: #fff; border: 1.5px solid var(--border); box-shadow: 0 3px 0 #eaf8fc; font-size: .78rem; font-weight: 650; }
.hero-step .num { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--yellow-soft); color: #755407; font-size: .7rem; font-weight: 800; flex: none; }
.hero-step:nth-child(2) .num { background: var(--teal-soft); color: var(--teal-dark); }
.hero-step:nth-child(3) .num { background: var(--blue-soft); color: #326c9a; }

.section-head .eyebrow { margin-bottom: .6rem; }
.section-head h2 { position: relative; }
.section-head h2::after { content: ""; display: block; width: 74px; height: 6px; margin: .7rem auto 0; border-radius: 999px; background: linear-gradient(90deg, #ffd166, #ff9b74); }
.section-head.left h2::after { margin-left: 0; }
.template-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.template-card {
  position: relative; background: var(--surface); border: 1.5px solid var(--border); border-radius: 22px;
  overflow: hidden; box-shadow: 0 5px 0 #eaf8fc, var(--shadow-xs); transition: transform .18s, box-shadow .18s, border-color .18s;
  display: flex; flex-direction: column; text-align: left;
}
.template-card:hover { transform: translateY(-5px) rotate(-.3deg); box-shadow: 0 8px 0 #eaf8fc, var(--shadow); border-color: #f4c9be; }
.template-card .cover { aspect-ratio: 1.36; overflow: hidden; background: var(--surface-2); }
.template-card .cover svg { width: 100%; height: 100%; object-fit: cover; }
.template-card .body { padding: 1rem 1.05rem 1.1rem; display: flex; flex-direction: column; gap: .4rem; flex: 1; }
.template-card h3 { font-size: 1.05rem; letter-spacing: -.01em; }
.template-card .meta { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; font-size: .75rem; color: var(--muted); }
.template-card .objective { font-size: .82rem; color: var(--muted); line-height: 1.5; flex: 1; }
.template-card .card-foot { display: flex; align-items: center; justify-content: space-between; margin-top: .45rem; }
.template-card .arrow { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-2); color: var(--ink); transition: background .15s, color .15s; }
.template-card:hover .arrow { background: var(--primary); color: #fff; }

.steps-section { background: linear-gradient(180deg, transparent, #fff4e7 18%, #fff4e7 82%, transparent); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.step-card { padding: 1.4rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.step-card .num { width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary-dark); font-family: var(--font-display); font-size: 1rem; }
.step-card h3 { margin-top: .9rem; font-size: 1.12rem; }
.step-card p { margin-top: .45rem; font-size: .87rem; color: var(--muted); }
.step-card .mini-art { height: 94px; margin-top: 1rem; border-radius: 12px; overflow: hidden; background: var(--surface-2); }
.step-card .mini-art svg { width: 100%; height: 100%; }

.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.trust-card { display: flex; gap: .9rem; padding: 1.2rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.trust-card .icon-wrap { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; flex: none; background: var(--teal-soft); color: var(--teal); }
.trust-card h3 { font-size: 1rem; }
.trust-card p { margin-top: .25rem; font-size: .82rem; color: var(--muted); }
.cta-band { position: relative; overflow: hidden; border-radius: 32px; padding: clamp(2rem, 5vw, 3.5rem); background: linear-gradient(135deg, #2b9d8d, #237c8f 60%, #5aaee8); color: #fff; box-shadow: 0 10px 0 #cceef2, 0 24px 50px #2b9d8d2e; }
.cta-band::after { content: ""; position: absolute; width: 320px; height: 320px; right: -100px; top: -120px; border-radius: 50%; background: #ffffff1f; }
.cta-band::before { content: ""; position: absolute; width: 220px; height: 220px; right: 120px; bottom: -160px; border-radius: 50%; background: #ffd1662e; }
.cta-band h2 { color: #fff; max-width: 620px; }
.cta-band p { color: #d9ece8; max-width: 560px; margin-top: .7rem; }
.cta-band .btn { margin-top: 1.4rem; --btn-bg: var(--yellow); --btn-fg: #392b0a; }
.cta-band .btn:hover { --btn-bg: #ffd978; }

/* Auth / onboarding */
.auth-page { min-height: calc(100vh - var(--header-h)); display: grid; place-items: center; padding: 2rem 0 4rem; }
.auth-card { width: min(100%, 480px); padding: clamp(1.5rem, 4vw, 2.4rem); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.auth-card .brand { justify-content: center; margin-bottom: 1.2rem; }
.auth-card h1 { font-size: clamp(1.8rem, 4vw, 2.3rem); text-align: center; }
.auth-card .lede { text-align: center; margin-top: .5rem; font-size: .92rem; }
.auth-form { margin-top: 1.4rem; display: grid; gap: 1rem; }
.otp-boxes { display: flex; gap: .45rem; justify-content: center; }
.otp-boxes input { width: 46px; height: 54px; text-align: center; font-size: 1.35rem; font-weight: 800; border: 1.5px solid var(--border); border-radius: 12px; background: var(--surface); }
.otp-boxes input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px #f26b5b1f; outline: none; }
.auth-hint { padding: .6rem .75rem; border-radius: 10px; background: var(--yellow-soft); color: #6f5008; font-size: .8rem; text-align: center; }
.auth-back { display: inline-flex; align-items: center; gap: .35rem; font-size: .85rem; font-weight: 650; color: var(--muted); background: none; border: 0; padding: .2rem 0; }
.auth-back:hover { color: var(--ink); }
.auth-terms { margin-top: .8rem; font-size: .75rem; color: var(--muted); text-align: center; line-height: 1.5; }
.auth-terms a { text-decoration: underline; }

.onboarding-shell { padding: clamp(2rem, 5vw, 4rem) 0; }
.onboarding-card { width: min(100%, 720px); margin: 0 auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; }
.onboarding-head { padding: clamp(1.4rem, 4vw, 2.4rem) clamp(1.4rem, 4vw, 2.4rem) 1.2rem; border-bottom: 1px solid var(--border); }
.onboarding-body { padding: clamp(1.4rem, 4vw, 2.4rem); }
.onboarding-foot { display: flex; justify-content: space-between; gap: .75rem; padding: 1.1rem clamp(1.4rem, 4vw, 2.4rem); border-top: 1px solid var(--border); background: #fffaf4; }
.consent-list { display: grid; gap: .65rem; margin-top: 1.2rem; }
.consent-list .check span strong { display: block; }
.consent-list .check span small { display: block; color: var(--muted); font-size: .78rem; margin-top: .15rem; }
.privacy-callout { margin-top: 1.2rem; padding: 1rem; border-radius: 14px; background: var(--teal-soft); color: #25514d; font-size: .85rem; display: flex; gap: .7rem; align-items: flex-start; }
.privacy-callout .icon { flex: none; margin-top: .1rem; }

/* Flow common */
.flow-shell { padding: clamp(1.2rem, 3vw, 2.2rem) 0 3rem; }
.flow-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.4rem; }
.flow-head h1 { font-size: clamp(1.7rem, 3.2vw, 2.35rem); }
.flow-head .lede { margin-top: .35rem; font-size: .92rem; max-width: 660px; }
.flow-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 1.4rem; align-items: start; }
.flow-layout.wide { grid-template-columns: minmax(0, 1fr); }
.flow-main { min-width: 0; }
.flow-aside { position: sticky; top: calc(var(--header-h) + 1rem); display: grid; gap: .9rem; }
.flow-aside .card-pad { padding: 1.05rem; }
.flow-actions { display: flex; justify-content: space-between; gap: .7rem; margin-top: 1.3rem; flex-wrap: wrap; }
.flow-actions.end { justify-content: flex-end; }
.stepper { display: flex; align-items: center; gap: .35rem; margin-bottom: 1.3rem; }
.stepper-item { display: flex; align-items: center; gap: .4rem; font-size: .76rem; font-weight: 700; color: var(--muted-2); }
.stepper-dot { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-3); color: var(--muted); font-size: .68rem; font-weight: 800; }
.stepper-item.active { color: var(--primary-dark); }
.stepper-item.active .stepper-dot { background: var(--primary); color: #fff; }
.stepper-item.done .stepper-dot { background: var(--teal); color: #fff; }
.stepper-line { flex: 1; height: 2px; background: var(--border); border-radius: 2px; min-width: 12px; }
.stepper-item span.label { display: none; }
@media (min-width: 900px) { .stepper-item span.label { display: inline; } }

.quota-pill { display: inline-flex; align-items: center; gap: .4rem; padding: .38rem .62rem; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); font-size: .76rem; font-weight: 700; color: var(--ink-soft); }
.quota-pill .icon { color: var(--teal); }
.estimate-box { padding: .9rem 1rem; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); font-size: .82rem; color: var(--muted); }
.estimate-box strong { color: var(--ink); }

/* Upload */
.upload-zone {
  position: relative; display: grid; place-items: center; gap: .75rem; min-height: 320px;
  padding: 2rem; border: 2px dashed var(--border-strong); border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #fffdf9, #fff6eb); text-align: center;
  transition: border-color .15s, background .15s;
  cursor: pointer; overflow: hidden;
}
.upload-zone:hover, .upload-zone.dragover { border-color: var(--primary); background: #fff2ed; }
.upload-zone.has-photo { padding: 0; min-height: 360px; border-style: solid; background: #efe4d6; }
.upload-zone img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: contain; }
.upload-zone .upload-copy { position: relative; z-index: 1; max-width: 340px; }
.upload-zone.has-photo .upload-copy { display: none; }
.upload-zone .upload-icon { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); margin: 0 auto .8rem; }
.upload-zone h3 { font-size: 1.15rem; }
.upload-zone p { font-size: .84rem; color: var(--muted); margin-top: .3rem; }
.upload-zone input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.upload-checklist { display: grid; gap: .55rem; margin-top: 1.1rem; }
.upload-check { display: flex; align-items: center; gap: .6rem; font-size: .86rem; color: var(--muted); }
.upload-check .icon { color: var(--border-strong); }
.upload-check.ok { color: var(--ink); }
.upload-check.ok .icon { color: var(--green); }
.upload-check.bad .icon { color: var(--danger); }
.photo-actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; }
.upload-tip { display: flex; gap: .8rem; align-items: flex-start; margin-top: 1rem; padding: .9rem 1rem; border-radius: 12px; background: var(--yellow-soft); color: #6f5008; font-size: .82rem; }
.upload-tip .icon { flex: none; margin-top: .1rem; }

/* Style gallery */
.style-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; }
.style-card { position: relative; text-align: left; border: 2px solid var(--border); border-radius: var(--radius); background: var(--surface); overflow: hidden; transition: border-color .15s, transform .15s, box-shadow .15s; }
.style-card:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.style-card.selected { border-color: var(--primary); box-shadow: 0 0 0 4px #f26b5b1a; }
.style-card .style-art { aspect-ratio: 1.15; background: var(--surface-2); overflow: hidden; }
.style-card .style-art svg { width: 100%; height: 100%; }
.style-card .style-body { padding: .8rem .9rem .9rem; }
.style-card h3 { font-size: .98rem; }
.style-card p { font-size: .76rem; color: var(--muted); margin-top: .15rem; line-height: 1.45; }
.style-card .style-tags { display: flex; gap: .35rem; flex-wrap: wrap; margin-top: .5rem; }
.style-card .check-mark { position: absolute; top: .6rem; right: .6rem; width: 26px; height: 26px; border-radius: 50%; background: var(--primary); color: #fff; display: none; place-items: center; box-shadow: 0 2px 6px #0002; }
.style-card.selected .check-mark { display: grid; }

/* Studio */
.studio-grid { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 1.2rem; align-items: start; }
.studio-side { position: sticky; top: calc(var(--header-h) + 1rem); display: grid; gap: .9rem; }
.photo-card { border-radius: var(--radius); overflow: hidden; background: var(--surface-2); border: 1px solid var(--border); }
.photo-card img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.photo-card .photo-meta { padding: .7rem .8rem; font-size: .75rem; color: var(--muted); }
.photo-card.photo-empty { display: grid; place-items: center; align-content: center; gap: .45rem; min-height: 240px; padding: 1.2rem; text-align: center; color: var(--muted); }
.photo-card.photo-empty .icon { color: var(--primary); }
.photo-card.photo-empty strong { color: var(--ink); font-size: .92rem; }
.photo-card.photo-empty .tiny { line-height: 1.45; }
.palette-strip { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.palette-strip .swatches { display: flex; gap: .3rem; }
.palette-strip .swatches span { width: 22px; height: 22px; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 0 1px var(--border); display: block; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-items: start; }
.compare-grid .photo-card img, .compare-grid .candidate-art { aspect-ratio: 1; }
.link-like { background: none; border: 0; padding: 0; color: var(--primary-dark); font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }
.link-like:hover { color: var(--primary); }
.attr-panel { padding: 1rem; }
.attr-panel h3 { font-size: 1rem; margin-bottom: .7rem; }
.attr-panel .field + .field { margin-top: .8rem; }
.attr-panel .input, .attr-panel .select { min-height: 42px; font-size: .88rem; }
.attr-panel .chips { margin-top: .35rem; }
.studio-main { min-width: 0; }
.candidate-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .9rem; }
.candidate-card { position: relative; border: 2px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); transition: border-color .15s, transform .15s, box-shadow .15s; }
.candidate-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.candidate-card.selected { border-color: var(--primary); box-shadow: 0 0 0 4px #f26b5b1a; }
.candidate-art { aspect-ratio: 1; background: var(--surface-2); overflow: hidden; }
.candidate-art svg, .candidate-art img { width: 100%; height: 100%; }
.candidate-art img { object-fit: cover; }
.candidate-body { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .65rem .75rem; }
.candidate-body .label { font-size: .82rem; font-weight: 750; }
.candidate-body .btn { min-height: 32px; padding: .32rem .65rem; font-size: .75rem; }
.candidate-badge { position: absolute; top: .55rem; left: .55rem; z-index: 2; }
.studio-toolbar { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: .9rem; flex-wrap: wrap; }
.studio-toolbar h2 { font-size: 1.25rem; }
.version-strip { display: flex; align-items: center; gap: .45rem; flex-wrap: wrap; margin-top: 1rem; }
.version-chip { padding: .35rem .6rem; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); font-size: .75rem; font-weight: 700; }
.version-chip.active { border-color: var(--teal); background: var(--teal-soft); color: var(--teal-dark); }
.studio-empty { padding: 3rem 1.5rem; text-align: center; border: 1.5px dashed var(--border-strong); border-radius: var(--radius); background: var(--surface-2); }

/* Kit */
.kit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; }
.kit-card { position: relative; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; background: var(--surface); }
.kit-card.portrait { grid-row: span 2; }
.kit-card .kit-art { aspect-ratio: 1; background: var(--surface-2); overflow: hidden; }
.kit-card.portrait .kit-art { aspect-ratio: auto; height: 100%; min-height: 280px; }
.kit-card .kit-art svg, .kit-card .kit-art img { width: 100%; height: 100%; }
.kit-card .kit-art img { object-fit: cover; }
.kit-card .kit-label { padding: .45rem .55rem; font-size: .72rem; font-weight: 700; color: var(--muted); text-transform: capitalize; }
.kit-name-row { display: flex; gap: .75rem; align-items: flex-end; flex-wrap: wrap; margin-top: 1.1rem; }
.kit-name-row .field { flex: 1; min-width: 220px; }
.similarity-note { display: flex; gap: .6rem; align-items: flex-start; padding: .7rem .85rem; border-radius: 10px; background: var(--warning-soft); color: #71480a; font-size: .8rem; margin-top: 1rem; }
.kit-ai-bar { display: flex; align-items: center; gap: .8rem; padding: .8rem 1rem; margin-bottom: .9rem; background: linear-gradient(135deg, #e8f7ff, #fff2d8); border: 1.5px solid #bfe6f7; border-radius: 16px; }
.kit-ai-bar > .icon { color: var(--teal); flex: none; }
.kit-ai-bar > div { flex: 1; min-width: 0; }
.kit-ai-bar strong { font-size: .9rem; }
.kit-ai-bar .btn { flex: none; }

/* Template gallery / detail */
.filter-bar { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; margin-bottom: 1.1rem; padding: .65rem; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; }
.filter-bar .chips { flex: 1; }
.filter-bar .input { max-width: 240px; min-height: 40px; font-size: .86rem; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.tpl-card { text-align: left; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); overflow: hidden; display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s; }
.tpl-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.tpl-cover { aspect-ratio: 1.36; background: var(--surface-2); overflow: hidden; }
.tpl-cover svg { width: 100%; height: 100%; }
.tpl-body { padding: .9rem 1rem 1rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.tpl-body h3 { font-size: 1rem; }
.tpl-body .objective { font-size: .8rem; color: var(--muted); line-height: 1.45; flex: 1; }
.tpl-body .meta { display: flex; flex-wrap: wrap; gap: .35rem .55rem; font-size: .72rem; color: var(--muted); }
.detail-hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 1.6rem; align-items: center; }
.detail-cover { border-radius: var(--radius-lg); overflow: hidden; border: 6px solid #fff; box-shadow: var(--shadow); aspect-ratio: 1.36; background: var(--surface-2); }
.detail-cover svg { width: 100%; height: 100%; }
.detail-copy h1 { font-size: clamp(1.8rem, 3.7vw, 2.8rem); }
.detail-copy .lede { margin-top: .6rem; }
.detail-meta { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.detail-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.2rem; }
.page-preview-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .7rem; margin-top: 1.2rem; }
.page-preview { position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--border); background: var(--surface-2); aspect-ratio: 1.42; }
.page-preview svg { width: 100%; height: 100%; }
.page-preview .page-preview-text { position: absolute; left: 5%; right: 5%; bottom: 5%; padding: .3rem .35rem; background: #fffdf9dd; border-radius: 4px; font-size: .52rem; line-height: 1.3; color: #333; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Setup */
.setup-grid { display: grid; grid-template-columns: minmax(0, 1fr) 350px; gap: 1.3rem; align-items: start; }
.setup-summary { position: sticky; top: calc(var(--header-h) + 1rem); }
.summary-book { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: var(--surface); }
.summary-book .scene { aspect-ratio: 1.36; background: var(--surface-2); }
.summary-book .scene svg { width: 100%; height: 100%; }
.summary-book .body { padding: .9rem 1rem 1rem; }
.summary-book h3 { font-size: 1.05rem; }
.summary-book p { margin-top: .2rem; font-size: .8rem; color: var(--muted); }
.summary-list { display: grid; gap: .45rem; margin-top: .8rem; font-size: .82rem; }
.summary-list li { display: flex; justify-content: space-between; gap: .6rem; }
.summary-list li span:last-child { font-weight: 700; text-align: right; }
.character-select { display: grid; gap: .55rem; }
.character-option { display: flex; align-items: center; gap: .7rem; padding: .55rem; border: 1.5px solid var(--border); border-radius: 12px; background: var(--surface); text-align: left; }
.character-option.selected { border-color: var(--teal); background: var(--teal-soft); }
.character-option .mini-art { width: 52px; height: 52px; border-radius: 10px; overflow: hidden; background: var(--surface-2); flex: none; }
.character-option .mini-art svg, .character-option .mini-art img { width: 100%; height: 100%; }
.character-option .mini-art img { object-fit: cover; }
.character-option .name { display: block; font-weight: 750; font-size: .86rem; }
.character-option .meta { display: block; font-size: .72rem; color: var(--muted); }
.age-warning { margin-top: .8rem; }

/* Generating */
.generating-wrap { width: min(100%, 920px); margin: 0 auto; padding: clamp(2rem, 6vw, 4rem) 0; }
.gen-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: clamp(1.5rem, 4vw, 2.6rem); box-shadow: var(--shadow-sm); }
.gen-head { text-align: center; }
.gen-head h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
.gen-head p { margin-top: .5rem; color: var(--muted); }
.gen-progress { margin: 1.6rem 0 1.2rem; }
.gen-progress .progress { height: 14px; }
.gen-progress .meta { display: flex; justify-content: space-between; gap: .5rem; margin-top: .5rem; font-size: .78rem; color: var(--muted); }
.gen-steps { display: grid; gap: .45rem; margin: 1.2rem 0; }
.gen-step { display: flex; align-items: center; gap: .7rem; padding: .55rem .7rem; border-radius: 10px; font-size: .86rem; color: var(--muted); }
.gen-step.active { background: var(--surface-2); color: var(--ink); }
.gen-step.done { color: var(--ink); }
.gen-step .gen-icon { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-3); color: var(--muted); flex: none; }
.gen-step.done .gen-icon { background: var(--green-soft); color: var(--green); }
.gen-step.active .gen-icon { background: var(--primary-soft); color: var(--primary); }
.gen-thumbs { display: grid; grid-template-columns: repeat(8, 1fr); gap: .4rem; margin-top: 1.2rem; }
.gen-thumb { aspect-ratio: 1.42; border-radius: 6px; overflow: hidden; background: var(--surface-2); border: 1px solid var(--border); opacity: .25; transition: opacity .3s; }
.gen-thumb.ready { opacity: 1; }
.gen-thumb svg, .gen-thumb img { width: 100%; height: 100%; }
.gen-thumb img { object-fit: cover; }

/* Utility */
.empty-state { padding: 3rem 1.5rem; text-align: center; border: 1.5px dashed var(--border-strong); border-radius: var(--radius); background: var(--surface-2); }
.empty-state .icon-wrap { width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto .8rem; background: var(--surface); color: var(--primary); box-shadow: var(--shadow-xs); }
.empty-state h3 { font-size: 1.15rem; }
.empty-state p { margin-top: .35rem; font-size: .86rem; color: var(--muted); max-width: 440px; margin-inline: auto; }
.empty-state .btn { margin-top: 1rem; }
.loading-block { padding: 3rem; text-align: center; color: var(--muted); }
.loading-block .spinner { margin: 0 auto .7rem; }

/* Responsive */
@media (max-width: 1040px) {
  .hero-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .template-grid, .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .studio-grid { grid-template-columns: 260px minmax(0, 1fr); }
  .flow-layout { grid-template-columns: minmax(0, 1fr) 290px; }
}
@media (max-width: 860px) {
  .main-nav { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { min-height: 360px; order: -1; }
  .book-mock { width: min(100%, 420px); }
  .hero-copy { text-align: center; }
  .hero-copy .lede { margin-inline: auto; }
  .hero-actions, .hero-note, .hero-steps { justify-content: center; margin-inline: auto; }
  .steps-grid, .trust-grid { grid-template-columns: 1fr; }
  .flow-layout, .setup-grid { grid-template-columns: 1fr; }
  .flow-aside, .setup-summary { position: static; }
  .studio-grid { grid-template-columns: 1fr; }
  .studio-side { position: static; grid-template-columns: 180px 1fr; align-items: start; }
  .detail-hero { grid-template-columns: 1fr; }
  .page-preview-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  :root { --header-h: 64px; }
  .header-actions .demo-pill { display: none; }
  .header-actions .btn-ghost { padding: .5rem .8rem; font-size: .82rem; }
  .hero { padding-top: 1.6rem; }
  .hero-art { min-height: 300px; }
  .book-mock { width: min(100%, 330px); }
  .float-a { left: 0; top: 6%; }
  .float-b { display: none; }
  .hero-steps { grid-template-columns: 1fr; }
  .template-grid, .gallery-grid, .style-grid { grid-template-columns: 1fr; }
  .studio-side { grid-template-columns: 1fr; }
  .photo-card { max-width: 240px; }
  .candidate-grid { gap: .6rem; }
  .kit-grid { grid-template-columns: repeat(2, 1fr); }
  .kit-card.portrait { grid-row: auto; grid-column: span 2; }
  .kit-card.portrait .kit-art { min-height: 0; height: auto; aspect-ratio: 1.3; }
  .page-preview-grid { grid-template-columns: repeat(2, 1fr); }
  .gen-thumbs { grid-template-columns: repeat(4, 1fr); }
  .onboarding-foot { flex-direction: column-reverse; }
  .onboarding-foot .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.4rem; }
  .footer-bottom { flex-direction: column; }
  .site-footer { margin-bottom: 64px; }
  .mobile-tabbar {
    display: flex; position: fixed; z-index: 90; left: 0; right: 0; bottom: 0;
    background: rgba(255, 250, 244, .96); backdrop-filter: blur(14px);
    border-top: 1px solid var(--border); padding: .4rem .5rem calc(.4rem + env(safe-area-inset-bottom));
    justify-content: space-around;
  }
  .toast-root { bottom: calc(72px + env(safe-area-inset-bottom)); }
  .mobile-tab { display: grid; justify-items: center; gap: .15rem; padding: .35rem .55rem; border-radius: 10px; font-size: .64rem; font-weight: 700; color: var(--muted); border: 0; background: none; }
  .mobile-tab.active { color: var(--primary-dark); background: var(--primary-soft); }
  .mobile-tab .icon { width: 22px; height: 22px; }
  .auth-card { border-radius: var(--radius); }
}

/* =========================================================
   Book editor
   ========================================================= */
.editor-shell { padding: 1rem 0 2rem; }
.editor-top { display: flex; align-items: center; gap: .8rem; margin-bottom: .8rem; flex-wrap: wrap; }
.editor-top .back { display: inline-flex; align-items: center; gap: .35rem; font-size: .84rem; font-weight: 700; color: var(--muted); background: none; border: 0; }
.editor-top .back:hover { color: var(--ink); }
.editor-title { min-width: 0; flex: 1; }
.editor-title h1 { font-size: clamp(1.2rem, 2.4vw, 1.7rem); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.editor-title .meta { font-size: .76rem; color: var(--muted); margin-top: .1rem; }
.editor-grid { display: grid; grid-template-columns: 138px minmax(0, 1fr) 300px; gap: 1rem; align-items: start; }
.page-rail { position: sticky; top: calc(var(--header-h) + .8rem); max-height: calc(100vh - var(--header-h) - 2rem); overflow: auto; padding-right: .2rem; display: grid; gap: .45rem; }
.page-thumb { position: relative; border: 2px solid transparent; border-radius: 8px; overflow: hidden; background: var(--surface-2); aspect-ratio: 1.42; padding: 0; }
.page-thumb svg, .page-thumb img { width: 100%; height: 100%; }
.page-thumb img { object-fit: cover; }
.page-thumb .num { position: absolute; left: 4px; bottom: 4px; min-width: 18px; height: 18px; padding: 0 4px; border-radius: 5px; background: #fffdf9dd; color: #333; font-size: .62rem; font-weight: 800; display: grid; place-items: center; }
.page-thumb.active { border-color: var(--primary); box-shadow: 0 0 0 3px #f26b5b1a; }
.page-thumb.locked .num { background: var(--warning-soft); color: #70460a; }
.page-thumb .lock-dot { position: absolute; right: 4px; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: #fffdf9dd; display: grid; place-items: center; color: var(--warning); }
.page-thumb .lock-dot .icon { width: 10px; height: 10px; }
.editor-stage { min-width: 0; }
.book-stage { width: 100%; display: grid; place-items: center; }
.book-sheet {
  position: relative; width: min(100%, 880px); aspect-ratio: 210 / 148;
  background: #fff; border-radius: 12px; overflow: hidden;
  box-shadow: 0 18px 50px rgba(43, 32, 22, .16), 0 0 0 1px rgba(43, 32, 22, .06);
}
.book-sheet .scene-layer { position: absolute; inset: 0; }
.book-sheet .scene-layer svg, .book-sheet .scene-layer img { width: 100%; height: 100%; }
.book-sheet .scene-layer img { object-fit: cover; }
.story-text {
  position: absolute; z-index: 2;
  padding: .7rem .9rem; border-radius: 10px;
  background: rgba(255, 252, 245, .92);
  color: #2b2b2b;
  font-family: var(--font-book);
  font-weight: 500;
  font-size: clamp(1rem, 2.3vw, 1.65rem);
  line-height: 1.42;
  max-width: 52%;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.story-text.bottom { left: 4%; right: 4%; bottom: 5%; max-width: none; }
.story-text.top { left: 4%; right: 4%; top: 5%; max-width: none; }
.story-text.side { right: 4%; top: 18%; bottom: 18%; max-width: 38%; display: flex; align-items: center; }
.story-text.panel { left: 5%; bottom: 6%; max-width: 45%; }
.story-text.auto { left: 4%; right: 4%; bottom: 5%; max-width: none; }
.story-text.dark { background: rgba(22, 32, 45, .82); color: #fff; }
.story-text .text-body { margin: 0; }
.page-number { position: absolute; z-index: 2; right: 3%; bottom: 2.2%; font-size: .68rem; color: #ffffffcc; font-weight: 700; text-shadow: 0 1px 4px #0006; }
.book-sheet.proof::after {
  content: "BẢN XEM TRƯỚC"; position: absolute; z-index: 5; left: 50%; top: 50%;
  transform: translate(-50%, -50%) rotate(-18deg); padding: .4rem 1.2rem;
  border: 3px solid rgba(242, 107, 91, .55); color: rgba(242, 107, 91, .7);
  font-family: var(--font-display); font-size: clamp(1rem, 2.5vw, 1.8rem);
  letter-spacing: .12em; border-radius: 8px; pointer-events: none; white-space: nowrap;
}
.stage-nav { display: flex; align-items: center; justify-content: center; gap: .7rem; margin-top: .85rem; }
.stage-nav .page-indicator { font-size: .8rem; color: var(--muted); min-width: 80px; text-align: center; }
.editor-panel { display: grid; gap: .8rem; }
.editor-panel .card-pad { padding: 1rem; }
.editor-panel h3 { font-size: .95rem; }
.page-status-list { display: grid; gap: .35rem; font-size: .8rem; color: var(--muted); }
.page-status-list li { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.action-list { display: grid; gap: .45rem; }
.action-list .btn { justify-content: flex-start; }
.editor-empty { padding: 3rem 1.5rem; text-align: center; }
.editor-bottom { display: flex; justify-content: space-between; gap: .7rem; margin-top: .8rem; flex-wrap: wrap; }
.mobile-page-rail { display: none; }

/* Library */
.library-tabs { display: flex; gap: .35rem; padding: .3rem; background: var(--surface-2); border-radius: 999px; width: fit-content; margin-bottom: 1.2rem; }
.library-tab { padding: .45rem .9rem; border: 0; background: transparent; border-radius: 999px; font-size: .84rem; font-weight: 700; color: var(--muted); }
.library-tab.active { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-xs); }
.library-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.book-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s; }
.book-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.book-cover-mini { position: relative; aspect-ratio: 1.36; background: var(--surface-2); overflow: hidden; }
.book-cover-mini svg, .book-cover-mini img { width: 100%; height: 100%; }
.book-cover-mini img { object-fit: cover; }
.book-cover-mini .cover-label { position: absolute; left: 8%; right: 8%; bottom: 6%; padding: .4rem .5rem; background: #fffdf9e8; border-radius: 6px; font-family: var(--font-display); font-size: clamp(.7rem, 1.2vw, 1rem); line-height: 1.14; }
.book-card .body { padding: .8rem .9rem .9rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.book-card h3 { font-size: .96rem; }
.book-card .meta { font-size: .74rem; color: var(--muted); }
.book-card .actions { display: flex; gap: .45rem; margin-top: .5rem; flex-wrap: wrap; }
.character-library-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .9rem; }
.character-library-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); text-align: left; }
.character-library-card .art { aspect-ratio: 1; background: var(--surface-2); }
.character-library-card .art svg, .character-library-card .art img { width: 100%; height: 100%; }
.character-library-card .art img { object-fit: cover; }
.character-library-card .body { padding: .7rem .8rem .8rem; }
.character-library-card h3 { font-size: .9rem; }
.character-library-card p { font-size: .72rem; color: var(--muted); margin-top: .1rem; }
.character-library-card .actions { display: flex; gap: .35rem; margin-top: .5rem; flex-wrap: wrap; }

/* Export */
.export-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 1.3rem; align-items: start; }
.export-preview { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); background: var(--surface-2); }
.export-preview .scene { aspect-ratio: 1.36; }
.export-preview .scene svg, .export-preview .scene img { width: 100%; height: 100%; }
.export-preview .scene img { object-fit: cover; }
.export-preview .info { padding: 1rem 1.1rem; background: var(--surface); }
.export-preview .info h3 { font-size: 1.05rem; }
.export-preview .info p { margin-top: .25rem; font-size: .8rem; color: var(--muted); }
.export-options { display: grid; gap: .9rem; }
.option-block { padding: 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.option-block h3 { font-size: .95rem; margin-bottom: .6rem; }
.option-row { display: flex; align-items: flex-start; justify-content: space-between; gap: .75rem; padding: .5rem 0; border-bottom: 1px solid var(--border); }
.option-row:last-child { border-bottom: 0; }
.option-row .opt-copy strong { display: block; font-size: .86rem; }
.option-row .opt-copy small { display: block; font-size: .74rem; color: var(--muted); margin-top: .1rem; }
.option-row input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--primary); margin-top: .15rem; }
.export-result { margin-top: 1rem; padding: 1.2rem; border-radius: var(--radius); background: var(--green-soft); border: 1px solid #bfe2ca; }
.export-result h3 { color: #255f3b; }
.export-result .file-row { display: flex; align-items: center; gap: .7rem; margin-top: .7rem; padding: .7rem; border-radius: 10px; background: #fff; border: 1px solid #bfe2ca; }
.export-result .file-row .icon-wrap { width: 38px; height: 38px; border-radius: 9px; background: var(--danger-soft); color: var(--danger); display: grid; place-items: center; flex: none; }
.export-result .file-row .file-name { font-size: .82rem; font-weight: 700; word-break: break-all; }
.export-result .file-row .file-meta { font-size: .72rem; color: var(--muted); }
.export-result .actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .8rem; }
.print-tips { margin-top: .9rem; padding: .9rem 1rem; border-radius: 12px; background: var(--yellow-soft); color: #6f5008; font-size: .8rem; }
.print-tips ul { margin-top: .35rem; padding-left: 1rem; list-style: disc; }
.print-tips li { margin-top: .15rem; }

/* Privacy */
.privacy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.privacy-card { padding: 1.15rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.privacy-card h3 { font-size: .98rem; }
.privacy-card p { margin-top: .3rem; font-size: .8rem; color: var(--muted); }
.privacy-card .value { font-family: var(--font-display); font-size: 1.7rem; margin-top: .4rem; color: var(--teal); }
.privacy-actions { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1rem; }
.danger-zone { margin-top: 1.4rem; border-color: #efc8c1; }
.danger-zone h3 { color: var(--danger); }

/* Admin */
.admin-shell { padding: 1.5rem 0 3rem; }
.admin-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; flex-wrap: wrap; }
.admin-head h1 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); }
.admin-tabs { display: flex; gap: .3rem; padding: .3rem; border-radius: 12px; background: var(--surface-2); width: fit-content; margin-bottom: 1.2rem; overflow: auto; max-width: 100%; }
.admin-tab { border: 0; background: transparent; padding: .45rem .8rem; border-radius: 9px; font-size: .82rem; font-weight: 700; color: var(--muted); white-space: nowrap; }
.admin-tab.active { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-xs); }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.stat-card { padding: 1rem; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.stat-card .label { font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.stat-card .value { font-family: var(--font-display); font-size: 1.8rem; margin-top: .2rem; }
.stat-card .sub { font-size: .72rem; color: var(--muted); margin-top: .1rem; }
.admin-section { margin-top: 1.3rem; }
.admin-section-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .7rem; flex-wrap: wrap; }
.admin-section-head h2 { font-size: 1.2rem; }
.admin-table .title-cell { display: flex; align-items: center; gap: .6rem; min-width: 220px; }
.admin-table .mini-cover { width: 44px; height: 36px; border-radius: 6px; overflow: hidden; background: var(--surface-2); flex: none; }
.admin-table .mini-cover svg { width: 100%; height: 100%; }
.admin-table .row-actions { display: flex; gap: .35rem; flex-wrap: wrap; }
.admin-edit-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 1.1rem; align-items: start; }
.admin-editor-card { padding: 1.2rem; }
.admin-editor-card h2 { font-size: 1.25rem; }
.admin-editor-card .form-grid { margin-top: 1rem; }
.template-pages-editor { display: grid; gap: .7rem; margin-top: 1rem; }
.template-page-edit { border: 1px solid var(--border); border-radius: 12px; padding: .8rem; background: var(--surface); }
.template-page-edit .page-edit-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-bottom: .6rem; }
.template-page-edit .page-edit-head strong { font-size: .85rem; }
.template-page-edit .page-edit-grid { display: grid; grid-template-columns: 1fr 160px; gap: .45rem; }
.template-page-edit .textarea { min-height: 70px; font-size: .84rem; }
.template-page-edit .input, .template-page-edit .select { min-height: 38px; font-size: .82rem; }
.validation-list { display: grid; gap: .35rem; margin-top: .7rem; }
.validation-item { display: flex; gap: .5rem; align-items: flex-start; font-size: .8rem; padding: .45rem .55rem; border-radius: 8px; background: var(--green-soft); color: #255f3b; }
.validation-item.bad { background: var(--danger-soft); color: #7d271f; }
.admin-preview { position: sticky; top: calc(var(--header-h) + 1rem); }
.admin-preview .book-sheet { width: 100%; border-radius: 10px; box-shadow: var(--shadow); }
.admin-preview .preview-cover { border-radius: 10px; overflow: hidden; border: 1px solid var(--border); background: var(--surface-2); aspect-ratio: 1.36; }
.admin-preview .preview-cover svg { width: 100%; height: 100%; }
.report-card { padding: .9rem 1rem; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.report-card + .report-card { margin-top: .6rem; }
.report-card .report-head { display: flex; justify-content: space-between; gap: .5rem; align-items: flex-start; }
.report-card h3 { font-size: .9rem; }
.report-card p { font-size: .8rem; color: var(--muted); margin-top: .2rem; }
.style-admin-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; }
.style-admin-card { padding: .8rem; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); display: flex; gap: .6rem; align-items: center; }
.style-admin-card .swatch { width: 38px; height: 38px; border-radius: 10px; flex: none; }
.style-admin-card .name { font-size: .86rem; font-weight: 700; }
.style-admin-card .meta { font-size: .72rem; color: var(--muted); }
.style-admin-card .toggle { margin-left: auto; }
.switch { position: relative; display: inline-block; width: 40px; height: 24px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; border-radius: 999px; background: var(--border-strong); transition: background .15s; cursor: pointer; }
.switch span::after { content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px #0002; transition: transform .15s; }
.switch input:checked + span { background: var(--teal); }
.switch input:checked + span::after { transform: translateX(16px); }
.watermark-setting { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); align-items: flex-start; gap: 1rem; }
.watermark-setting .switch { flex: none; margin-top: .15rem; }
.watermark-setting p { max-width: 340px; }

/* Print view */
.print-view { background: #d9d2c8; min-height: 100vh; padding: 1rem 0 3rem; }
.print-toolbar { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: .7rem; padding: .7rem 1rem; background: rgba(43, 43, 43, .94); color: #fff; backdrop-filter: blur(10px); flex-wrap: wrap; }
.print-toolbar .title { font-size: .86rem; font-weight: 700; }
.print-toolbar .actions { display: flex; gap: .45rem; }
.print-doc { display: grid; justify-content: center; gap: 14px; margin: 1rem auto; }
.print-page {
  position: relative; width: 210mm; height: 148mm; overflow: hidden;
  background: #fff; box-shadow: 0 10px 30px #0003;
  page-break-after: auto; break-after: auto;
  page-break-inside: avoid; break-inside: avoid;
  -webkit-print-color-adjust: exact; print-color-adjust: exact;
}
.print-page .scene-layer { position: absolute; inset: 0; }
.print-page .scene-layer svg, .print-page .scene-layer img { width: 100%; height: 100%; }
.print-page .scene-layer img { object-fit: cover; }
.print-page .story-text { position: absolute; z-index: 2; font-family: var(--font-book); font-weight: 500; color: #2b2b2b; background: rgba(255, 252, 245, .94); border-radius: 3mm; padding: 3mm 4mm; line-height: 1.4; }
.print-page .story-text.bottom { left: 10mm; right: 10mm; bottom: 10mm; }
.print-page .story-text.top { left: 10mm; right: 10mm; top: 10mm; }
.print-page .story-text.side { right: 10mm; top: 25mm; bottom: 25mm; max-width: 76mm; display: flex; align-items: center; }
.print-page .story-text.panel { left: 12mm; bottom: 12mm; max-width: 90mm; }
.print-page .story-text.auto { left: 10mm; right: 10mm; bottom: 10mm; }
.print-page .page-number { position: absolute; right: 8mm; bottom: 5mm; font-size: 8pt; color: #ffffffcc; font-weight: 700; text-shadow: 0 1px 2px #0006; }
.print-page.cover .cover-copy { position: absolute; z-index: 2; left: 14mm; bottom: 14mm; right: 14mm; padding: 5mm; background: #fffdf9e8; border-radius: 4mm; }
.print-page.cover .cover-copy .kicker { font-size: 9pt; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; color: #d95647; }
.print-page.cover .cover-copy h2 { font-family: var(--font-display); font-size: 30pt; line-height: 1.12; margin: 2mm 0 1mm; color: #2b2b2b; }
.print-page.cover .cover-copy p { font-size: 11pt; color: #6b6b6b; }
.print-page.closing .closing-copy { position: absolute; inset: 0; z-index: 2; display: grid; place-items: center; text-align: center; padding: 20mm; background: #fff9f0e6; }
.print-page.closing .closing-copy h2 { font-family: var(--font-display); font-size: 26pt; color: #2f6f6a; }
.print-page.closing .closing-copy p { margin-top: 4mm; font-size: 13pt; color: #474747; max-width: 120mm; line-height: 1.5; }
.print-page.proof::after { content: "BẢN XEM TRƯỚC"; position: absolute; z-index: 9; left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(-18deg); padding: 2mm 8mm; border: 1mm solid rgba(242,107,91,.45); color: rgba(242,107,91,.55); font-family: var(--font-display); font-size: 24pt; letter-spacing: .12em; border-radius: 2mm; white-space: nowrap; }
.print-page .crop-mark { display: none; position: absolute; z-index: 8; background: #111; }
.print-page.bleed .crop-mark { display: block; }
.print-page.bleed { width: 216mm; height: 154mm; padding: 3mm; background: #fff; }
.print-page.bleed .scene-layer { inset: 3mm; }
.print-page.bleed .story-text.bottom { bottom: 13mm; }
.print-page.bleed .story-text.top { top: 13mm; }
.print-page.bleed .story-text.side { right: 13mm; top: 28mm; bottom: 28mm; }
.print-page.bleed .story-text.panel { left: 15mm; bottom: 15mm; }
.print-page.bleed .story-text.auto { bottom: 13mm; }
.print-page.bleed .crop-mark.tl { left: 1mm; top: 1mm; width: 4mm; height: .3mm; box-shadow: 0 1mm 0 #111; }
.print-page.bleed .crop-mark.tr { right: 1mm; top: 1mm; width: 4mm; height: .3mm; box-shadow: 0 1mm 0 #111; }
.print-page.bleed .crop-mark.bl { left: 1mm; bottom: 1mm; width: 4mm; height: .3mm; box-shadow: 0 -1mm 0 #111; }
.print-page.bleed .crop-mark.br { right: 1mm; bottom: 1mm; width: 4mm; height: .3mm; box-shadow: 0 -1mm 0 #111; }
.print-page.bleed .crop-mark.tl2 { left: 1mm; top: 1mm; width: .3mm; height: 4mm; box-shadow: 1mm 0 0 #111; }
.print-page.bleed .crop-mark.tr2 { right: 1mm; top: 1mm; width: .3mm; height: 4mm; box-shadow: -1mm 0 0 #111; }
.print-page.bleed .crop-mark.bl2 { left: 1mm; bottom: 1mm; width: .3mm; height: 4mm; box-shadow: 1mm 0 0 #111; }
.print-page.bleed .crop-mark.br2 { right: 1mm; bottom: 1mm; width: .3mm; height: 4mm; box-shadow: -1mm 0 0 #111; }

@page { size: A5 landscape; margin: 0; }
@media print {
  html, body { background: #fff !important; }
  .site-header, .site-footer, .mobile-tabbar, .print-toolbar, .toast-root, .modal-root { display: none !important; }
  .print-view { padding: 0; background: #fff; }
  .print-doc { display: block; margin: 0; }
  .print-page { box-shadow: none; margin: 0; }
  .print-page.bleed { width: 216mm; height: 154mm; }
}

/* Responsive editor/admin */
@media (max-width: 1100px) {
  .editor-grid { grid-template-columns: 110px minmax(0, 1fr) 270px; }
  .admin-edit-layout { grid-template-columns: minmax(0, 1fr) 300px; }
}
@media (max-width: 900px) {
  .editor-grid { grid-template-columns: minmax(0, 1fr) 280px; }
  .page-rail { display: none; }
  .mobile-page-rail { display: flex; gap: .4rem; overflow-x: auto; padding: .4rem 0 .6rem; }
  .mobile-page-rail .page-thumb { width: 82px; flex: none; }
  .export-grid, .admin-edit-layout { grid-template-columns: 1fr; }
  .admin-preview { position: static; }
  .library-grid { grid-template-columns: repeat(2, 1fr); }
  .character-library-grid { grid-template-columns: repeat(3, 1fr); }
  .privacy-grid { grid-template-columns: 1fr 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .style-admin-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .editor-top { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: .55rem .75rem; }
  .editor-top .back { grid-column: 1; grid-row: 1; }
  .editor-top .cluster { grid-column: 2; grid-row: 1; margin-left: 0; justify-self: end; }
  .editor-top .editor-title { grid-column: 1 / -1; grid-row: 2; }
  .editor-title h1 { white-space: normal; overflow: visible; line-height: 1.2; }
  .editor-grid { grid-template-columns: 1fr; }
  .editor-panel { position: static; }
  .compare-grid { grid-template-columns: 1fr; }
  .book-sheet { border-radius: 8px; }
  .story-text { font-size: clamp(.86rem, 4vw, 1.2rem); padding: .5rem .6rem; }
  .library-grid, .character-library-grid, .privacy-grid, .style-admin-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .admin-head { flex-direction: column; }
  .print-page { width: 100vw; height: calc(100vw * 148 / 210); }
  .print-page.bleed { width: 100vw; height: calc(100vw * 154 / 216); padding: 1.4vw; }
  .print-view { padding: 0 0 2rem; }
  .print-doc { gap: 8px; }
}

@media (max-width: 480px) {
  .header-actions .user-button .name { display: none; }
  .user-button { padding: .25rem .35rem; gap: .3rem; }
  .flow-head { flex-direction: column; align-items: flex-start; gap: .6rem; }
  .flow-head .quota-pill { white-space: nowrap; }
  .candidate-grid { grid-template-columns: 1fr; }
  .filter-bar .input { max-width: none; width: 100%; }
  .candidate-body .btn { white-space: normal; }
  .hero-copy h1 .accent { white-space: normal; }
}


/* ---------------------------------------------------------
   Immersive reader (preview)
   --------------------------------------------------------- */
.reader-view {
  min-height: 100vh;
  padding: 0 1rem 2rem;
  background:
    radial-gradient(circle at 12% 10%, #fff0b8 0 14%, transparent 32%),
    radial-gradient(circle at 88% 18%, #d8f1ff 0 18%, transparent 42%),
    linear-gradient(180deg, #eaf9ff 0%, #fff8e9 48%, #ffe9df 100%);
  color: var(--ink);
}
.reader-top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 1rem;
  width: min(100%, 1180px); margin: 0 auto; padding: .85rem 0;
  background: rgba(234, 249, 255, .72); backdrop-filter: blur(14px);
}
.reader-back { display: inline-flex; align-items: center; gap: .35rem; border: 0; background: #fff; color: var(--ink-soft); border-radius: 999px; padding: .55rem .9rem; font-size: .82rem; font-weight: 700; box-shadow: 0 6px 18px #2b201612; }
.reader-top-title { flex: 1; min-width: 0; text-align: center; }
.reader-top-title strong { display: block; font-family: var(--font-display); font-size: 1.12rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.reader-top-title span { display: block; font-size: .72rem; color: var(--muted); }
.reader-top-actions { display: flex; align-items: center; gap: .6rem; }
.reader-count { font-size: .78rem; font-weight: 800; background: #fff; border-radius: 999px; padding: .5rem .75rem; box-shadow: 0 6px 18px #2b201612; }
.reader-stage { position: relative; display: grid; grid-template-columns: 54px minmax(0, 1fr) 54px; align-items: center; gap: 1rem; width: min(100%, 1180px); margin: 1.2rem auto 0; }
.reader-book {
  position: relative; width: 100%; aspect-ratio: 210 / 148;
  perspective: 1900px; touch-action: pan-y;
  filter: drop-shadow(0 30px 32px rgba(58, 42, 24, .2));
}
.reader-page, .reader-leaf {
  position: absolute; inset: 0; overflow: hidden;
  border-radius: 18px; background: #fffdf8;
  transform-style: preserve-3d;
}
.reader-page { box-shadow: 0 0 0 8px #fffdf8, 0 20px 50px #2b201629; transition: transform .5s ease; }
.reader-page::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, #0000000d, transparent 4%, transparent 96%, #00000008); }
.reader-leaf { z-index: 3; transform-origin: left center; backface-visibility: hidden; transition: transform .7s cubic-bezier(.2,.8,.2,1); box-shadow: 0 0 0 8px #fffdf8, 0 20px 50px #2b201629; }
.reader-leaf::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, transparent 55%, #00000018); opacity: .55; }
.reader-leaf.turn-next { transform: rotateY(-180deg); }
.reader-leaf.turn-prev { transform: rotateY(180deg); }
.reader-scene { position: absolute; inset: 0; overflow: hidden; background: #fff7ed; }
.reader-scene svg, .reader-scene img { width: 100%; height: 100%; object-fit: cover; }
.reader-story {
  position: absolute; z-index: 2; font-family: var(--font-book); font-weight: 500;
  color: #2b2b2b; background: rgba(255, 252, 245, .94); border-radius: 14px;
  padding: 1rem 1.2rem; font-size: clamp(1.05rem, 2.3vw, 1.85rem); line-height: 1.35;
  max-width: 56%; box-shadow: 0 10px 24px #2b201614;
}
.reader-story.bottom { left: 5%; right: 5%; bottom: 5%; max-width: none; }
.reader-story.top { left: 5%; right: 5%; top: 5%; max-width: none; }
.reader-story.side { right: 5%; top: 16%; bottom: 16%; max-width: 36%; display: flex; align-items: center; }
.reader-story.panel { left: 5%; bottom: 6%; max-width: 44%; }
.reader-story p { margin: 0; }
.reader-page-num { position: absolute; z-index: 2; right: 3%; bottom: 2%; font-size: .72rem; color: #ffffffcc; font-weight: 800; background: #2b2b2b55; padding: .15rem .5rem; border-radius: 999px; }
.reader-cover-copy {
  position: absolute; z-index: 2; left: 5%; bottom: 6%; right: 5%;
  padding: 1rem 1.2rem; border-radius: 18px; background: rgba(255, 253, 248, .94);
  box-shadow: 0 14px 34px #2b20161c;
}
.reader-cover-copy h1 { font-size: clamp(1.6rem, 4vw, 3.3rem); margin-top: .2rem; }
.reader-cover-copy > p { margin-top: .25rem; color: var(--muted); font-size: .9rem; }
.reader-cover-copy .reader-dedication { font-style: italic; color: var(--ink-soft); }
.reader-open-hint { display: inline-block; margin-top: .7rem; font-size: .72rem; font-weight: 800; color: var(--primary-dark); }
.reader-closing {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center;
  gap: .6rem; padding: 8%; background:
    radial-gradient(circle at 14% 18%, #ffe9a8 0 8%, transparent 28%),
    radial-gradient(circle at 86% 82%, #d7f1ff 0 10%, transparent 30%),
    #fff9ef;
}
.reader-closing h2 { font-size: clamp(1.5rem, 3.5vw, 2.7rem); color: var(--teal-dark); }
.reader-closing p { color: var(--ink-soft); max-width: 560px; }
.reader-end-actions { display: flex; gap: .5rem; justify-content: center; margin-top: .4rem; }
.reader-arrow {
  width: 54px; height: 54px; border-radius: 50%; border: 0;
  display: grid; place-items: center; background: #fff; color: var(--primary-dark);
  box-shadow: 0 10px 24px #2b201618; transition: transform .15s, opacity .15s;
}
.reader-arrow:hover:not(:disabled) { transform: translateY(-2px) scale(1.05); }
.reader-arrow:disabled { opacity: .28; cursor: default; }
.reader-arrow .icon { width: 26px; height: 26px; }
.reader-bottom { text-align: center; margin-top: 1.2rem; }
.reader-dots { display: flex; gap: .35rem; justify-content: center; flex-wrap: wrap; }
.reader-dots span { width: 7px; height: 7px; border-radius: 50%; background: #c8b9a9; opacity: .5; }
.reader-dots span.active { width: 20px; border-radius: 99px; background: var(--primary); opacity: 1; }
.reader-hint { margin-top: .55rem; font-size: .76rem; color: var(--muted); }
@media (max-width: 720px) {
  .reader-view { padding: 0 .6rem 1.4rem; }
  .reader-top { gap: .45rem; padding: .55rem 0; }
  .reader-top-title { display: none; }
  .reader-top-actions .btn { display: none; }
  .reader-stage { grid-template-columns: 1fr; gap: .5rem; }
  .reader-arrow { position: absolute; z-index: 8; top: 50%; transform: translateY(-50%); width: 42px; height: 42px; }
  .reader-arrow.prev { left: .1rem; }
  .reader-arrow.next { right: .1rem; }
  .reader-arrow:hover:not(:disabled) { transform: translateY(-50%) scale(1.03); }
  .reader-story { font-size: clamp(.9rem, 4.2vw, 1.2rem); padding: .7rem .8rem; }
  .reader-cover-copy { left: 4%; right: 4%; bottom: 4%; padding: .65rem .75rem; border-radius: 14px; }
  .reader-cover-copy h1 { font-size: 1.32rem; }
  .reader-cover-copy > p { font-size: .72rem; }
  .reader-cover-copy .reader-dedication { display: none; }
  .reader-open-hint { margin-top: .35rem; font-size: .66rem; }
}

/* Prompt card in editor */
.prompt-card { background: linear-gradient(180deg, #f5fcff, #fffdf7); border-color: #d4edf5; }
.prompt-card .prompt-text {
  min-height: 150px; margin-top: .6rem; resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .72rem; line-height: 1.5; color: #334b56; background: #fffdf8;
}
.prompt-card .prompt-text:focus { outline: 3px solid #ffd16666; }