/* Sự kiện HVSC — giao diện Sáng/Tối, mobile trước. Màu HVSC: navy #16203f, đỏ #E31E24, cam #ff6d00, vàng #f3c77a */
:root {
  --navy: #16203f; --red: #E31E24; --orange: #ff6d00; --gold: #f3c77a;
  --bg: #f4f6fb; --bg2: #eef2f9; --surface: #ffffff; --surface2: #f7f9fd; --text: #0f172a; --muted: #556079; --line: #e2e7f1; --line2: #cfd7e6;
  --pri-bg: #16203f; --pri-fg: #ffffff; --pri-bd: #16203f; --pri-hover: #222f5a;
  --sec-bg: #ffffff; --sec-fg: #16203f; --sec-bd: #cfd7e6;
  --accent: #c8161c; --accent-soft: #fdecec;
  --ok: #0f7a4d; --ok-bg: #e7f6ee; --warn: #9a5b00; --warn-bg: #fff4e0; --bad: #b4161b; --bad-bg: #fdecec; --info-bg: #eaf0ff; --info: #2446a8;
  --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 6px 20px rgba(15, 23, 42, .06);
  --radius: 14px; --font: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0f1e; --bg2: #0e1528; --surface: #111a2f; --surface2: #16203a; --text: #e8edf7; --muted: #a3afc6; --line: #233050; --line2: #2f3d61;
    --pri-bg: #1a2442; --pri-fg: #ffffff; --pri-bd: #E31E24; --pri-hover: #222f55;
    --sec-bg: #131c33; --sec-fg: #e8edf7; --sec-bd: #34446b;
    --accent: #ff6b6f; --accent-soft: #2a1520;
    --ok: #4ade9a; --ok-bg: #0f2a20; --warn: #f3c77a; --warn-bg: #2a2212; --bad: #ff8a8d; --bad-bg: #2c1219; --info-bg: #15224a; --info: #a9bdff;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0a0f1e; --bg2: #0e1528; --surface: #111a2f; --surface2: #16203a; --text: #e8edf7; --muted: #a3afc6; --line: #233050; --line2: #2f3d61;
  --pri-bg: #1a2442; --pri-fg: #ffffff; --pri-bd: #E31E24; --pri-hover: #222f55;
  --sec-bg: #131c33; --sec-fg: #e8edf7; --sec-bd: #34446b;
  --accent: #ff6b6f; --accent-soft: #2a1520;
  --ok: #4ade9a; --ok-bg: #0f2a20; --warn: #f3c77a; --warn-bg: #2a2212; --bad: #ff8a8d; --bad-bg: #2c1219; --info-bg: #15224a; --info: #a9bdff;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .35);
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); font-size: 15px; line-height: 1.55; color: var(--text); background: var(--bg); min-height: 100vh; overflow-x: hidden; }
img, svg { max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration-line: none; color: var(--red); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.2rem); font-weight: 700; }
h2 { font-size: 1.2rem; font-weight: 700; }
h3 { font-size: 1.02rem; font-weight: 600; }
p { margin: 0 0 .8em; }
.ic { flex: none; vertical-align: -3px; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--red) 55%, transparent); outline-offset: 2px; border-radius: 6px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.mono { font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace; letter-spacing: .04em; }

/* Logo theo chế độ */
.logo { display: inline-flex; flex-direction: column; gap: 2px; }
.logo img { display: block; height: 34px; width: auto; }
.logo .logo-d { display: none; }
:root[data-theme="dark"] .logo .logo-l { display: none; }
:root[data-theme="dark"] .logo .logo-d { display: block; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .logo .logo-l { display: none; } :root:not([data-theme="light"]) .logo .logo-d { display: block; } }

/* Nút */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px; border-radius: 10px; border: 1px solid var(--sec-bd); background: var(--sec-bg); color: var(--sec-fg); font: 600 .95rem/1.2 var(--font); cursor: pointer; transition: background .15s, border-color .15s, transform .05s; white-space: nowrap; }
.btn:hover { color: var(--sec-fg); border-color: var(--muted); }
.btn:active { transform: translateY(1px); }
.btn.pri { background: var(--pri-bg); color: var(--pri-fg); border-color: var(--pri-bd); }
.btn.pri:hover { background: var(--pri-hover); color: var(--pri-fg); }
:root[data-theme="dark"] .btn.pri { box-shadow: 0 0 0 1px rgba(227, 30, 36, .25), 0 0 18px rgba(227, 30, 36, .18); }
.btn.red { background: var(--red); border-color: var(--red); color: #fff; }
:root[data-theme="dark"] .btn.red { background: transparent; color: var(--accent); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.sm { min-height: 36px; padding: 6px 12px; font-size: .86rem; }
.btn.block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.btn.icon { width: 40px; min-height: 40px; padding: 0; border-radius: 999px; }

/* Thẻ & lưới */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.g4 { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.stack > * + * { margin-top: 16px; }

/* Thông báo */
.alert { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 12px; border: 1px solid transparent; font-size: .93rem; margin-bottom: 16px; }
.alert.ok { background: var(--ok-bg); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.alert.err { background: var(--bad-bg); color: var(--bad); border-color: color-mix(in srgb, var(--bad) 30%, transparent); }
.alert.warn { background: var(--warn-bg); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.alert.info { background: var(--info-bg); color: var(--info); border-color: color-mix(in srgb, var(--info) 25%, transparent); }

.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 10px; border-radius: 999px; font-size: .78rem; font-weight: 600; border: 1px solid var(--line2); color: var(--muted); background: var(--surface2); white-space: nowrap; }
.badge.ok, .b-confirmed, .b-open { color: var(--ok); background: var(--ok-bg); border-color: transparent; }
.badge.warn, .b-pending, .b-waitlist, .b-draft { color: var(--warn); background: var(--warn-bg); border-color: transparent; }
.badge.bad, .b-cancelled, .b-closed { color: var(--bad); background: var(--bad-bg); border-color: transparent; }
.b-done { color: var(--muted); }

/* Form */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label, .lbl { font-weight: 600; font-size: .9rem; }
.req { color: var(--accent); }
input[type=text], input[type=email], input[type=tel], input[type=url], input[type=number], input[type=search], input[type=datetime-local], input[type=color], select, textarea {
  width: 100%; min-height: 44px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line2); background: var(--surface); color: var(--text); font: 400 .95rem/1.4 var(--font);
}
input[type=color] { padding: 4px; width: 64px; }
textarea { min-height: 96px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px color-mix(in srgb, var(--red) 18%, transparent); }
:root[data-theme="dark"] input:focus, :root[data-theme="dark"] select:focus, :root[data-theme="dark"] textarea:focus { border-color: var(--accent); }
.field .err { color: var(--bad); font-size: .85rem; }
.field.has-err input, .field.has-err select, .field.has-err textarea { border-color: var(--bad); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; cursor: pointer; }
.check input { width: 20px; height: 20px; margin-top: 2px; flex: none; accent-color: var(--red); }
.hint { color: var(--muted); font-size: .84rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.f2 { display: grid; gap: 0 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* Bảng */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: var(--surface2); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface2); }
@media (max-width: 720px) {
  table.cards thead { display: none; }
  table.cards, table.cards tbody, table.cards tr, table.cards td { display: block; width: 100%; }
  table.cards tr { border-bottom: 1px solid var(--line); padding: 10px 4px; }
  table.cards td { border: 0; padding: 3px 10px; }
  table.cards td[data-l]::before { content: attr(data-l) ': '; color: var(--muted); font-size: .8rem; }
}

/* Header công khai */
.top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--surface) 88%, transparent); border-bottom: 1px solid var(--line); }
@media (min-width: 900px) { .top { backdrop-filter: blur(10px); } }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; }
.top nav { display: flex; align-items: center; gap: 4px; }
.top nav a { color: var(--text); font-weight: 500; padding: 8px 12px; border-radius: 8px; font-size: .93rem; }
.top nav a:hover, .top nav a.on { color: var(--accent); }
.tagline { font-size: 10.5px; font-weight: 500; color: var(--muted); line-height: 1.2; white-space: nowrap; }
@media (max-width: 520px) { .top nav a.hide-s { display: none; } .tagline .long { display: none; } }
.foot { margin-top: 48px; border-top: 1px solid var(--line); padding: 22px 0 90px; color: var(--muted); font-size: .86rem; }
.foot .wrap { display: flex; gap: 12px 24px; flex-wrap: wrap; justify-content: space-between; }
.foot a { color: var(--muted); }
.foot a:hover { color: var(--accent); }

/* Trang chủ / sự kiện */
.hero { position: relative; overflow: hidden; border-radius: 20px; padding: 28px 22px; color: #fff; background: radial-gradient(900px 400px at 85% -10%, rgba(227, 30, 36, .45), transparent 60%), radial-gradient(700px 380px at -10% 110%, rgba(255, 109, 0, .28), transparent 60%), linear-gradient(135deg, #16203f, #0d1530); margin-top: 20px; }
.hero h1 { color: #fff; }
.hero .eyebrow { color: var(--gold); font-weight: 600; font-size: .9rem; margin-bottom: 8px; }
.hero .meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: #dbe3f5; font-size: .93rem; margin-top: 12px; }
.hero .meta span { display: inline-flex; gap: 6px; align-items: center; }
.hero .meta .ic { color: var(--gold); }
@media (min-width: 900px) { .hero { padding: 44px 44px; } }
.ev-layout { display: grid; gap: 20px; margin-top: 20px; }
@media (min-width: 960px) { .ev-layout { grid-template-columns: 1fr 440px; align-items: start; } .ev-layout .reg { position: sticky; top: 84px; } }
.desc { white-space: pre-line; }
.ev-card { display: flex; flex-direction: column; gap: 10px; transition: transform .15s, box-shadow .15s; color: var(--text); }
.ev-card:hover { transform: translateY(-2px); color: var(--text); }
.ev-card .date { display: inline-flex; gap: 6px; align-items: center; color: var(--accent); font-weight: 600; font-size: .9rem; }
.seats { display: flex; align-items: center; gap: 10px; font-size: .9rem; }
.bar { height: 8px; border-radius: 99px; background: var(--bg2); overflow: hidden; flex: 1; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--red), var(--orange)); border-radius: 99px; }

/* Vé */
.ticket { max-width: 460px; margin: 24px auto; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); overflow: hidden; }
.ticket .t-head { padding: 20px 22px; color: #fff; background: radial-gradient(500px 200px at 100% 0, rgba(227, 30, 36, .5), transparent 60%), linear-gradient(135deg, #16203f, #0d1530); }
.ticket .t-head h1 { font-size: 1.25rem; color: #fff; margin: 4px 0 6px; }
.ticket .t-head .muted { color: #c9d3ea; }
.ticket .t-cut { position: relative; border-top: 2px dashed var(--line2); margin: 0 18px; }
.ticket .t-cut::before, .ticket .t-cut::after { content: ''; position: absolute; top: -12px; width: 22px; height: 22px; border-radius: 50%; background: var(--bg); border: 1px solid var(--line); }
.ticket .t-cut::before { left: -30px; } .ticket .t-cut::after { right: -30px; }
.ticket .t-body { padding: 20px 22px 24px; }
.ticket dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0 0 14px; font-size: .93rem; }
.ticket dt { color: var(--muted); }
.ticket dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
.qr { display: grid; place-items: center; padding: 14px; background: #fff; border-radius: 14px; border: 1px solid var(--line); margin: 6px auto 10px; width: min(300px, 100%); }
.qr svg { width: 100%; height: auto; }
.code-big { text-align: center; font-size: 1.5rem; font-weight: 700; letter-spacing: .18em; }

/* ===== Đăng nhập (bố cục 2 nửa, học NExT FORUM) ===== */
.login { display: grid; min-height: 100vh; }
@media (min-width: 960px) { .login { grid-template-columns: 1fr 1fr; } }
.login .side { position: relative; overflow: hidden; color: #fff; padding: 28px 24px; display: flex; flex-direction: column; justify-content: space-between; gap: 28px;
  background: radial-gradient(800px 420px at 90% -5%, rgba(227, 30, 36, .38), transparent 60%), radial-gradient(700px 400px at -10% 105%, rgba(255, 109, 0, .22), transparent 60%), linear-gradient(160deg, #16203f 0%, #0b1226 100%); }
.login .side .brand { display: flex; align-items: center; gap: 12px; }
.login .side .brand img { height: 34px; width: auto; }
.login .side .brand small { display: block; color: #c9d3ea; font-size: .8rem; }
.login .art { margin: 0 auto; width: min(420px, 100%); aspect-ratio: 16/10; border-radius: 18px; border: 1px solid rgba(255, 255, 255, .14); background: rgba(255, 255, 255, .04); display: grid; place-items: center; position: relative; overflow: hidden; }
.login .art svg { width: 82%; height: auto; }
.login .side h1 { color: #fff; text-align: center; font-size: clamp(1.4rem, 1rem + 1.6vw, 2.1rem); margin: 14px 0 8px; }
.login .side .lead { text-align: center; color: #c9d3ea; max-width: 460px; margin: 0 auto; font-size: .95rem; }
.login .side .eyebrow { text-align: center; color: var(--gold); font-weight: 600; font-size: .92rem; }
.login .side .foot-i { display: flex; flex-wrap: wrap; gap: 8px 20px; color: #dbe3f5; font-size: .88rem; }
.login .side .foot-i span { display: inline-flex; gap: 6px; align-items: center; }
.login .side .foot-i .ic { color: var(--gold); }
@media (max-width: 959px) { .login .side .art, .login .side .lead { display: none; } .login .side { gap: 14px; padding: 18px 16px 22px; } .login .side h1 { text-align: left; margin: 6px 0 0; font-size: 1.3rem; } .login .side .eyebrow { text-align: left; } }
.login .panel { background: var(--surface); display: flex; flex-direction: column; justify-content: center; padding: 28px 16px 40px; }
.login .panel .in { width: 100%; max-width: 460px; margin: 0 auto; }
.login .tools { display: flex; justify-content: flex-end; margin-bottom: 18px; }
.roles { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 18px 0 20px; }
.role { position: relative; display: block; cursor: pointer; }
.role input { position: absolute; opacity: 0; pointer-events: none; }
.role .box { display: flex; flex-direction: column; gap: 6px; height: 100%; padding: 14px; border: 1px solid var(--line2); border-radius: 12px; background: var(--surface); transition: border-color .15s, background .15s, box-shadow .15s; }
.role .box b { font-size: .95rem; }
.role .box span { color: var(--muted); font-size: .82rem; line-height: 1.35; }
.role .box .ic { color: var(--muted); }
.role input:checked + .box { border-color: var(--navy); background: var(--surface2); box-shadow: 0 0 0 1px var(--navy); }
.role input:checked + .box .ic { color: var(--accent); }
:root[data-theme="dark"] .role input:checked + .box { border-color: var(--red); box-shadow: 0 0 0 1px rgba(227, 30, 36, .6); }
.role input:focus-visible + .box { outline: 3px solid color-mix(in srgb, var(--red) 55%, transparent); outline-offset: 2px; }
.sso-note { display: flex; gap: 8px; justify-content: center; align-items: center; color: var(--muted); font-size: .84rem; margin-top: 14px; text-align: center; }

/* ===== Quản trị ===== */
.adm { display: grid; min-height: 100vh; }
@media (min-width: 1024px) { .adm { grid-template-columns: 240px 1fr; } }
.side-nav { display: none; }
@media (min-width: 1024px) {
  .side-nav { display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh; padding: 18px 12px; background: var(--surface); border-right: 1px solid var(--line); }
  .side-nav .logo { padding: 4px 8px 16px; }
}
.side-nav a, .bnav a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; color: var(--text); font-weight: 500; font-size: .93rem; }
.side-nav a:hover { background: var(--surface2); color: var(--text); }
.side-nav a.on { background: var(--surface2); color: var(--accent); box-shadow: inset 3px 0 0 var(--red); }
.side-nav .sep { margin: 12px 8px 4px; font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.adm-main { min-width: 0; padding-bottom: 90px; }
.adm-top { position: sticky; top: 0; z-index: 15; display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 60px; padding: 8px 16px; background: color-mix(in srgb, var(--bg) 90%, transparent); border-bottom: 1px solid var(--line); }
@media (min-width: 900px) { .adm-top { backdrop-filter: blur(10px); } }
.adm-top .who { display: flex; align-items: center; gap: 8px; font-size: .86rem; min-width: 0; }
.adm-top .who .nm { max-width: 26vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (min-width: 1024px) { .adm-top .logo { display: none; } }
.adm-body { padding: 20px 16px; max-width: 1200px; }
@media (min-width: 1024px) { .adm-body { padding: 26px 30px; } }
.bnav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; display: flex; justify-content: space-around; background: var(--surface); border-top: 1px solid var(--line); padding: 6px 4px calc(6px + env(safe-area-inset-bottom)); transition: transform .2s; }
.bnav a { flex-direction: column; gap: 2px; font-size: .72rem; padding: 6px 8px; color: var(--muted); }
.bnav a.on { color: var(--accent); }
.bnav.hide { transform: translateY(110%); }
@media (min-width: 1024px) { .bnav { display: none; } }
.tabs { display: flex; gap: 6px; overflow-x: auto; margin: 0 0 18px; padding-bottom: 2px; scrollbar-width: none; }
.tabs a { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line2); color: var(--text); font-size: .88rem; font-weight: 500; white-space: nowrap; background: var(--surface); }
.tabs a.on { border-color: var(--navy); background: var(--navy); color: #fff; }
:root[data-theme="dark"] .tabs a.on { background: var(--surface2); border-color: var(--red); color: var(--text); }
.kpi { display: flex; flex-direction: column; gap: 4px; }
.kpi b { font-size: 1.7rem; line-height: 1.1; }
.kpi span { color: var(--muted); font-size: .85rem; }
.kpi.hl b { color: var(--accent); }
.chart { width: 100%; height: auto; }
.chart text { fill: var(--muted); font-size: 10px; font-family: var(--font); }
.chart .b { fill: var(--navy); }
:root[data-theme="dark"] .chart .b { fill: #5d7bd6; }
.chart .b2 { fill: var(--red); }
.hbar { display: grid; grid-template-columns: minmax(90px, 30%) 1fr auto; gap: 10px; align-items: center; font-size: .88rem; margin: 6px 0; }
.pager { display: flex; gap: 6px; justify-content: center; margin-top: 14px; flex-wrap: wrap; }

/* Check-in */
.scan { display: grid; gap: 16px; }
@media (min-width: 960px) { .scan { grid-template-columns: 1fr 380px; } }
.cam { position: relative; background: #000; border-radius: 16px; overflow: hidden; aspect-ratio: 1/1; max-height: 70vh; width: 100%; }
.cam video { width: 100%; height: 100%; object-fit: cover; display: block; }
.cam .frame { position: absolute; inset: 18%; border: 3px solid rgba(255, 255, 255, .85); border-radius: 18px; box-shadow: 0 0 0 999px rgba(0, 0, 0, .35); pointer-events: none; }
.cam .idle { position: absolute; inset: 0; display: grid; place-items: center; color: #c9d3ea; text-align: center; padding: 20px; }
.res { border-radius: 16px; padding: 18px; border: 2px solid var(--line); background: var(--surface); min-height: 140px; }
.res.ok { border-color: var(--ok); background: var(--ok-bg); }
.res.dup { border-color: var(--warn); background: var(--warn-bg); }
.res.bad { border-color: var(--bad); background: var(--bad-bg); }
.res .r-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 6px; }
.res.ok .r-title { color: var(--ok); } .res.dup .r-title { color: var(--warn); } .res.bad .r-title { color: var(--bad); }
.res .r-name { font-size: 1.15rem; font-weight: 600; }
.net { display: inline-flex; gap: 6px; align-items: center; font-size: .82rem; }
.net i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); display: inline-block; }
.net.off i { background: var(--bad); }
.recent li { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: .88rem; }
.recent { list-style: none; margin: 0; padding: 0; }
pre.mail { white-space: pre-wrap; font: .85rem/1.5 var(--font); background: var(--surface2); padding: 12px; border-radius: 10px; margin: 8px 0 0; overflow-wrap: anywhere; }
details > summary { cursor: pointer; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }
@media print { .top, .foot, .no-print { display: none !important; } body { background: #fff; } .ticket { box-shadow: none; } }
/* tiện ích (CSP cấm style nội tuyến) */
.hidden { display: none !important; }
.i-sun { display: none; }
:root[data-theme="dark"] .i-sun { display: inline; }
:root[data-theme="dark"] .i-moon { display: none; }
.narrow { max-width: 560px; margin: 40px auto; }
.center { text-align: center; }
.jc { justify-content: center; }
.mt0 { margin-top: 0; } .mt8 { margin-top: 8px; } .mt16 { margin-top: 16px; } .mt24 { margin-top: 24px; } .mb0 { margin-bottom: 0; }
.w100 { width: 100%; }
svg.bar { display: block; width: 100%; height: 8px; border-radius: 99px; }
svg.bar .bg { fill: var(--bg2); } svg.bar .fg { fill: url(#gradRed); }
svg.bar .fg2 { fill: var(--red); }
.inline { display: inline; }
.hero-link { color: #fff; text-decoration: underline; text-underline-offset: 3px; } .hero-link:hover { color: var(--gold); text-decoration-line: none; }
/* QA 13/10 */
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.top nav a { white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
@media (max-width: 520px) { .top nav .hide-s { display: none; } .logo img { height: 28px; } .top .wrap { min-height: 56px; } }
:root[data-theme="dark"] .chart .b2 { fill: #f3c77a; }
:root[data-theme="dark"] svg.bar .fg2 { fill: #ff8a5c; }
@media (min-width: 1024px) { .adm-top { justify-content: flex-end; } }
.cam { aspect-ratio: 4/3; max-height: 48vh; }
#manual { flex-wrap: nowrap; }
#manual input { flex: 1; min-width: 0; }
.sso-note { justify-content: flex-start; text-align: left; }
.sso-note .ic { margin-top: 2px; }