:root {
  --primary: #65e6c4;
  --secondary: #7c8cff;
  --background: #08110f;
  --surface: #101c19;
  --text: #edf8f4;
  --muted: color-mix(in srgb, var(--text) 58%, transparent);
  --line: color-mix(in srgb, var(--text) 12%, transparent);
  --soft: color-mix(in srgb, var(--surface) 82%, var(--text) 3%);
  --danger: #ff7c84;
  --warning: #f7c96b;
  --success: #65e6c4;
  --radius: 18px;
  --shadow: 0 24px 80px rgba(0, 0, 0, .28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--background);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
.ambient { position: fixed; z-index: -1; width: 40vw; height: 40vw; border-radius: 50%; filter: blur(130px); opacity: .09; pointer-events: none; }
.ambient-one { background: var(--primary); top: -25vw; right: -10vw; }
.ambient-two { background: var(--secondary); bottom: -30vw; left: -20vw; }

.site-header {
  position: relative;
  z-index: 20;
  max-width: 1460px;
  min-height: 88px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  gap: 36px;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 220px; }
.brand-mark, .brand-logo { width: 42px; height: 42px; border-radius: 12px; }
.brand-mark { display: grid; place-items: center; color: #06100d; font-weight: 900; font-size: 19px; background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--primary) 50%, white)); box-shadow: 0 0 30px color-mix(in srgb, var(--primary) 28%, transparent); }
.brand-logo { object-fit: contain; }
.brand > span:last-child, .user-menu > span:nth-child(2) { display: flex; flex-direction: column; line-height: 1.2; }
.brand strong { font-size: 15px; letter-spacing: .1em; }
.brand small, .user-menu small { color: var(--muted); font-size: 10px; letter-spacing: .04em; margin-top: 4px; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 30px; margin: 0 auto; }
.main-nav a { position: relative; color: var(--muted); font-size: 14px; font-weight: 650; }
.main-nav a:hover { color: var(--text); }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -10px; height: 2px; background: var(--primary); transition: right .2s; }
.main-nav a:hover::after { right: 0; }
.user-menu { display: flex; align-items: center; gap: 10px; min-width: 220px; justify-content: flex-end; }
.user-menu strong { max-width: 130px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 13px; }
.role-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 12px var(--primary); }
.role-admin { background: var(--secondary); box-shadow: 0 0 12px var(--secondary); }
.icon-button { border: 0; color: var(--muted); background: transparent; cursor: pointer; padding: 8px; font-size: 18px; }
.icon-button:hover { color: var(--text); }
.admin-nav { max-width: 1400px; margin: 14px auto 0; padding: 8px 16px; display: flex; gap: 5px; overflow-x: auto; background: color-mix(in srgb, var(--surface) 86%, transparent); border: 1px solid var(--line); border-radius: 14px; }
.admin-nav a { padding: 9px 14px; color: var(--muted); font-size: 12px; font-weight: 750; white-space: nowrap; border-radius: 9px; }
.admin-nav a:hover { color: var(--text); background: color-mix(in srgb, var(--text) 7%, transparent); }

.page-shell { width: min(1380px, calc(100% - 48px)); margin: 0 auto; padding: 52px 0 90px; min-height: calc(100vh - 160px); }
.site-footer { width: min(1380px, calc(100% - 48px)); margin: 0 auto; padding: 28px 0 36px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; display: flex; justify-content: space-between; }
.status-pill { display: inline-flex; align-items: center; gap: 8px; }
.status-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 10px var(--primary); }
.eyebrow { display: block; margin-bottom: 12px; color: var(--primary); font-size: 11px; line-height: 1; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.035em; }
h1 { font-size: clamp(40px, 5vw, 76px); margin-bottom: 20px; }
h2 { font-size: clamp(26px, 3vw, 40px); }
p { color: var(--muted); }
.preline { white-space: pre-line; }

.hero { position: relative; min-height: 610px; display: grid; grid-template-columns: 1.4fr .6fr; gap: 64px; align-items: center; padding: 70px clamp(30px, 5vw, 76px); overflow: hidden; border: 1px solid var(--line); border-radius: 28px; background: radial-gradient(circle at 70% 20%, color-mix(in srgb, var(--primary) 12%, transparent), transparent 35%), linear-gradient(145deg, color-mix(in srgb, var(--surface) 96%, transparent), color-mix(in srgb, var(--background) 90%, var(--secondary) 5%)); box-shadow: var(--shadow); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to right, black, transparent 80%); }
.hero-content, .hero-panel { position: relative; z-index: 2; }
.hero h1 { font-size: clamp(52px, 7vw, 94px); max-width: 830px; }
.hero h1 em { color: var(--primary); font-family: Georgia, serif; font-weight: 500; }
.hero-content > p { max-width: 630px; font-size: 18px; margin-bottom: 34px; }
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .16; filter: saturate(.6); }
.hero-panel { align-self: end; justify-self: end; width: min(100%, 330px); padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: color-mix(in srgb, var(--background) 76%, transparent); backdrop-filter: blur(18px); }
.panel-kicker { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .12em; }
.hero-panel > strong { display: block; margin: 8px 0 16px; font-size: 62px; line-height: 1; }
.hero-panel > strong small { color: var(--muted); font-size: 20px; }
.progress-track { height: 5px; overflow: hidden; border-radius: 10px; background: var(--line); }
.progress-track i { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.score-line { display: flex; justify-content: space-between; margin-top: 20px; color: var(--muted); font-size: 13px; }
.score-line b { color: var(--text); }

.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 22px; padding: 11px 20px; border: 1px solid transparent; border-radius: 11px; font-weight: 800; font-size: 13px; cursor: pointer; transition: transform .16s, box-shadow .16s, background .16s; }
.button:hover { transform: translateY(-1px); }
.button-primary { color: #06110e; background: var(--primary); box-shadow: 0 12px 32px color-mix(in srgb, var(--primary) 18%, transparent); }
.button-secondary { color: var(--text); background: color-mix(in srgb, var(--secondary) 24%, var(--surface)); border-color: color-mix(in srgb, var(--secondary) 45%, transparent); }
.button-ghost { color: var(--muted); background: transparent; border-color: var(--line); }
.button-ghost:hover { color: var(--text); border-color: color-mix(in srgb, var(--text) 25%, transparent); }

.section-block { padding: 110px 0 70px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 50px; margin-bottom: 34px; }
.section-heading h2 { margin: 0; }
.section-heading > p { max-width: 440px; margin: 0; }
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.category-card { position: relative; min-height: 360px; padding: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, var(--surface), color-mix(in srgb, var(--surface) 88%, var(--background))); transition: transform .25s, border-color .25s, box-shadow .25s; }
.category-card:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--primary) 50%, transparent); box-shadow: 0 20px 60px rgba(0,0,0,.2); }
.card-top { display: flex; align-items: center; justify-content: space-between; }
.category-icon { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid color-mix(in srgb, var(--primary) 38%, transparent); border-radius: 14px; color: var(--primary); background: color-mix(in srgb, var(--primary) 10%, transparent); font-weight: 850; }
.category-icon.large { width: 70px; height: 70px; font-size: 22px; flex: 0 0 auto; }
.arrow { color: var(--muted); font-size: 22px; }
.card-index { position: absolute; right: -10px; top: 50px; color: color-mix(in srgb, var(--text) 4%, transparent); font-size: 120px; font-weight: 900; line-height: 1; }
.category-card h3 { position: relative; margin: 74px 0 12px; font-size: 32px; }
.category-card p { position: relative; font-size: 14px; }
.card-meta { position: absolute; left: 28px; right: 28px; bottom: 26px; display: flex; justify-content: space-between; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .07em; }
.card-meta strong { color: var(--primary); }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 42px 48px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(100deg, color-mix(in srgb, var(--secondary) 10%, var(--surface)), var(--surface)); }
.cta-band h2 { margin-bottom: 0; }

.breadcrumb { display: flex; gap: 10px; align-items: center; margin: -18px 0 42px; color: var(--muted); font-size: 12px; }
.breadcrumb a:hover { color: var(--primary); }
.page-heading { display: flex; align-items: center; gap: 24px; margin-bottom: 44px; }
.page-heading.simple { justify-content: space-between; align-items: end; }
.page-heading h1 { margin-bottom: 8px; font-size: clamp(42px, 5vw, 70px); }
.page-heading p { margin: 0; max-width: 700px; }
.challenge-list { display: grid; gap: 12px; }
.challenge-row { min-height: 128px; display: grid; grid-template-columns: 48px 1fr 90px 30px; align-items: center; gap: 22px; padding: 20px 25px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); transition: border-color .2s, transform .2s; }
.challenge-row:hover { transform: translateX(4px); border-color: color-mix(in srgb, var(--primary) 45%, transparent); }
.state-icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line); color: var(--muted); font-weight: 800; }
.is-solved .state-icon { color: #06110e; background: var(--primary); border-color: var(--primary); }
.challenge-main { display: block; }
.challenge-main small { color: var(--primary); text-transform: uppercase; letter-spacing: .1em; font-size: 10px; }
.challenge-main strong { display: block; margin: 5px 0 4px; font-size: 19px; }
.challenge-main p { margin: 0; font-size: 13px; }
.points { text-align: right; font-size: 22px; font-weight: 850; }
.points small { display: block; color: var(--muted); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }

.challenge-hero { display: flex; align-items: end; justify-content: space-between; gap: 40px; padding: 12px 0 44px; }
.challenge-hero > div:first-child { max-width: 880px; }
.challenge-hero h1 { font-size: clamp(46px, 6vw, 78px); }
.challenge-hero p { max-width: 740px; font-size: 17px; }
.tag-row { display: flex; gap: 8px; margin-bottom: 18px; }
.tag { padding: 6px 10px; border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent); border-radius: 30px; color: var(--primary); background: color-mix(in srgb, var(--primary) 8%, transparent); font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.tag-muted { color: var(--muted); border-color: var(--line); background: var(--soft); }
.tag-warning { color: var(--warning); border-color: color-mix(in srgb, var(--warning) 35%, transparent); }
.points-badge { width: 135px; height: 135px; flex: 0 0 135px; display: grid; place-content: center; text-align: center; border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent); border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--primary) 13%, transparent), transparent 70%); }
.points-badge strong { font-size: 38px; line-height: 1; }
.points-badge span { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .12em; }
.content-layout { display: grid; grid-template-columns: 1fr 400px; gap: 20px; align-items: start; }
.content-card, .submit-card { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.prose h2 { margin-bottom: 18px; }
.prose > p { font-size: 16px; max-width: 800px; }
.prose hr { margin: 34px 0; border: 0; border-top: 1px solid var(--line); }
.prose details { margin-top: 28px; padding: 17px 18px; border: 1px solid var(--line); border-radius: 12px; }
.prose summary { cursor: pointer; font-weight: 750; }
.prose details p { margin: 14px 0 0; }
.attachment-list { display: grid; gap: 8px; }
.attachment-list a { display: flex; gap: 12px; align-items: center; padding: 13px; border-radius: 10px; background: var(--soft); }
.attachment-list a:hover { color: var(--primary); }
.attachment-list span, .attachment-list small { display: block; }
.attachment-list small { color: var(--muted); }
.submit-card { position: sticky; top: 20px; padding: 30px; }
.submit-card h2 { margin-bottom: 12px; }
.submit-card p { font-size: 14px; }
.submit-card code { color: var(--primary); }
.stack-form { display: grid; gap: 12px; }
.stack-form label, .admin-form > label, .admin-form fieldset > label, .form-grid > label, .upload-row label { display: grid; gap: 7px; color: color-mix(in srgb, var(--text) 85%, transparent); font-size: 12px; font-weight: 750; }
input, select, textarea { width: 100%; color: var(--text); background: color-mix(in srgb, var(--background) 55%, var(--surface)); border: 1px solid var(--line); border-radius: 10px; outline: 0; padding: 12px 13px; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 10%, transparent); }
textarea { resize: vertical; }
input:disabled, textarea:disabled { opacity: .4; cursor: not-allowed; }
.attempt-note { display: block; margin-top: 16px; color: var(--muted); text-align: center; }
.success-orb { width: 56px; height: 56px; display: grid; place-items: center; margin-bottom: 25px; border-radius: 50%; color: #06110e; background: var(--primary); font-size: 24px; }
.solved-card { background: linear-gradient(145deg, color-mix(in srgb, var(--primary) 9%, var(--surface)), var(--surface)); }

.table-card { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { padding: 14px 20px; color: var(--muted); background: var(--soft); font-size: 9px; text-align: left; letter-spacing: .11em; text-transform: uppercase; }
td { padding: 18px 20px; border-top: 1px solid var(--line); }
td strong, td small { display: block; }
td small { margin-top: 4px; color: var(--muted); }
.align-right { text-align: right; }
.rank { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--soft); font-weight: 850; }
.current-row { background: color-mix(in srgb, var(--primary) 6%, transparent); }

.report-export-card { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 18px; }
.report-export-card h2 { margin-bottom: 7px; }
.report-export-card p { margin: 0; }
.report-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.report-participant-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.report-participant { display: flex; flex-direction: column; min-height: 270px; padding: 25px; }
.report-participant h3 { margin: 16px 0 5px; font-size: 23px; }
.report-participant p { margin-bottom: 20px; overflow-wrap: anywhere; font-size: 12px; }
.report-participant > strong { margin-top: auto; color: var(--primary); font-size: 40px; line-height: 1; }
.report-participant > small { margin: 9px 0 22px; color: var(--muted); }
.report-participant .report-actions { margin-top: auto; }

.flash { position: relative; z-index: 30; margin: -25px 0 25px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface); font-size: 13px; }
.flash-success { color: var(--success); border-color: color-mix(in srgb, var(--success) 35%, transparent); }
.flash-error { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, transparent); }
.empty-state { grid-column: 1 / -1; padding: 70px 30px; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); }

.login-shell { max-width: 800px; margin: 50px auto; text-align: center; }
.login-shell > p { max-width: 580px; margin: 0 auto 36px; }
.login-card { max-width: 520px; margin: 0 auto; padding: 32px; text-align: left; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.login-card .button { margin-top: 8px; }
.inline-success { margin-bottom: 20px; padding: 12px; color: var(--success); border: 1px solid color-mix(in srgb, var(--success) 30%, transparent); border-radius: 9px; background: color-mix(in srgb, var(--success) 7%, transparent); font-size: 13px; }
.identity-grid { display: grid; gap: 12px; }
.identity-card { width: 100%; display: grid; grid-template-columns: 50px 1fr auto; align-items: center; gap: 16px; padding: 18px; color: var(--text); text-align: left; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); cursor: pointer; }
.identity-card:hover { border-color: var(--primary); }
.identity-card span:nth-child(2), .identity-card small { display: block; }
.identity-card small { color: var(--muted); font-weight: 400; }
.identity-card b { color: var(--primary); font-size: 12px; }
.avatar { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 12px; color: #06110e; background: var(--primary); font-weight: 900; }

.lab-header { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 32px; }
.lab-header h1 { margin: 0; font-size: clamp(40px, 5vw, 65px); }
.browser-sim, .terminal-card { overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #f4f6fa; box-shadow: var(--shadow); }
.browser-bar { min-height: 58px; padding: 12px 18px; display: flex; align-items: center; gap: 7px; color: #27313d; background: #e6e9ef; }
.browser-bar > i, .terminal-title i { width: 10px; height: 10px; border-radius: 50%; background: #ff6f67; }
.browser-bar > i:nth-child(2), .terminal-title i:nth-child(2) { background: #f4c653; }
.browser-bar > i:nth-child(3), .terminal-title i:nth-child(3) { background: #56c878; }
.address-bar { flex: 1; max-width: 720px; margin: 0 auto; padding: 8px 14px; border-radius: 9px; color: #5f3540; background: white; font-size: 12px; }
.address-bar span { color: #d35963; }
.fake-login { width: min(430px, calc(100% - 40px)); margin: 70px auto; color: #202934; text-align: center; }
.fake-login p { color: #707887; }
.fake-brand { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 45px; letter-spacing: .08em; }
.fake-brand span { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px; color: white; background: #2157d4; }
.fake-login form { display: grid; gap: 16px; margin-top: 28px; text-align: left; }
.fake-login label { display: grid; gap: 6px; color: #5d6571; font-size: 12px; }
.fake-login input { color: #202934; background: white; border-color: #ced4dc; }
.fake-submit { padding: 13px; border: 0; border-radius: 8px; color: white; background: #2157d4; font-weight: 750; cursor: pointer; }
.lab-warning { padding: 12px; color: #8e5125 !important; background: #fff3d8; border-radius: 8px; }
.lab-tip { margin-top: 18px; padding: 20px 24px; display: flex; align-items: baseline; gap: 30px; border-left: 3px solid var(--primary); background: var(--surface); }
.lab-tip p { margin: 0; }
.terminal-card { color: #d9e8e0; background: #080d0c; }
.terminal-title { padding: 14px 18px; display: flex; align-items: center; gap: 18px; border-bottom: 1px solid #1b2925; color: #91a49d; background: #0d1513; font-size: 11px; }
.terminal-title > span { display: flex; gap: 6px; }
.terminal-title small { margin-left: auto; }
.terminal-card pre { margin: 0; padding: 35px; overflow-x: auto; font-size: clamp(10px, 1.2vw, 14px); line-height: 2; }
.terminal-card code > span { color: #6c827a; }
.terminal-card mark { padding: 3px 6px; color: #08110f; background: var(--primary); }
.incident-layout { display: grid; grid-template-columns: .7fr 1fr; gap: 18px; align-items: start; }
.scenario-card, .sequence-card { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.alert-label { display: inline-block; margin-bottom: 28px; padding: 6px 9px; border-radius: 6px; color: var(--danger); background: color-mix(in srgb, var(--danger) 10%, transparent); font-size: 10px; font-weight: 850; text-transform: uppercase; }
.scenario-card dl { margin: 34px 0 0; border-top: 1px solid var(--line); }
.scenario-card dl div { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line); }
.scenario-card dt { color: var(--muted); }
.scenario-card dd { margin: 0; font-weight: 750; }
.inline-error { margin-bottom: 20px; padding: 12px; color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent); border-radius: 9px; background: color-mix(in srgb, var(--danger) 7%, transparent); font-size: 13px; }
.flag-reveal { padding: 25px; border: 1px solid color-mix(in srgb, var(--primary) 40%, transparent); border-radius: 14px; background: color-mix(in srgb, var(--primary) 8%, transparent); text-align: center; }
.flag-reveal span { display: block; color: var(--primary); font-size: 11px; text-transform: uppercase; letter-spacing: .12em; }
.flag-reveal strong { display: block; margin: 16px 0; font-family: monospace; font-size: clamp(15px, 2vw, 23px); }
.generic-lab { min-height: 400px; }
.catalog-intro { margin-bottom: 18px; }
.catalog-intro h2 { margin-bottom: 12px; }
.catalog-intro p { max-width: 900px; margin-bottom: 0; }
.spot-scene { margin: 0 0 18px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.spot-scene img { width: 100%; max-height: 720px; object-fit: cover; }
.spot-scene figcaption { padding: 10px 16px; color: var(--muted); font-size: 11px; }
.catalog-exercise { margin-top: 18px; }
.catalog-form { display: grid; gap: 24px; }
.lab-option-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.lab-option { min-height: 92px; display: flex; align-items: flex-start; gap: 13px; padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--soft); cursor: pointer; transition: border-color .16s, background .16s; }
.lab-option:hover { border-color: color-mix(in srgb, var(--primary) 48%, transparent); }
.lab-option:has(input:checked) { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 8%, var(--surface)); }
.lab-option input { width: 18px; height: 18px; flex: 0 0 auto; margin: 3px 0 0; accent-color: var(--primary); }
.lab-option strong, .lab-option small { display: block; overflow-wrap: anywhere; }
.lab-option strong { font-size: 13px; }
.lab-option small { margin-top: 5px; color: var(--muted); font-size: 11px; font-weight: 400; }
.selection-note { margin: -12px 0 0; color: var(--muted); font-size: 11px; }
.token-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.token-grid .lab-option { min-height: 58px; align-items: center; }
.builder-preview { padding: 17px; border: 1px solid var(--line); border-radius: 11px; background: var(--background); }
.builder-preview span { display: block; margin-bottom: 7px; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }
.builder-preview code { color: var(--primary); overflow-wrap: anywhere; }
.builder-meter { display: grid; grid-template-columns: 150px 1fr 90px; align-items: center; gap: 14px; color: var(--muted); font-size: 11px; }
.builder-meter > div { height: 7px; overflow: hidden; border-radius: 10px; background: var(--line); }
.builder-meter i { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--warning), var(--primary)); transition: width .2s; }
.builder-meter strong { color: var(--text); text-align: right; }
.classification-grid { display: grid; gap: 10px; }
.classification-card { display: grid; grid-template-columns: 1fr minmax(190px, 260px); align-items: center; gap: 20px; padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--soft); }
.classification-card strong, .classification-card small { display: block; }
.classification-card small { margin-top: 4px; color: var(--muted); font-size: 11px; font-weight: 400; }
.ordering-grid { display: grid; gap: 10px; }
.ordering-grid > label { display: grid; grid-template-columns: 42px 1fr; gap: 14px; align-items: center; padding: 13px; border: 1px solid var(--line); border-radius: 12px; background: var(--soft); }
.ordering-grid label > span:last-child { display: grid; grid-template-columns: 150px 1fr; align-items: center; gap: 14px; }
.order-rank { width: 36px; height: 36px; display: grid; place-items: center; color: #06110e; border-radius: 50%; background: var(--primary); font-weight: 900; }
.method-notes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 20px; padding: 16px; border-left: 3px solid var(--secondary); background: var(--soft); }
.method-notes p { margin: 0; font-size: 11px; }
.scareware-sim { max-width: 760px; margin: 18px auto; overflow: hidden; color: #1b2430; border: 1px solid #cbd1da; border-radius: 15px; background: #f7f8fa; box-shadow: 0 28px 75px rgba(0,0,0,.3); }
.scareware-bar { display: flex; justify-content: space-between; padding: 10px 15px; color: #5c6572; background: #e9ecf1; font-size: 11px; }
.scareware-body { display: flex; align-items: center; gap: 20px; padding: 32px; }
.scareware-body strong { color: #c52f3b; font-size: 22px; }
.scareware-body p { margin: 7px 0 0; color: #59616d; }
.scareware-icon { width: 60px; height: 60px; flex: 0 0 auto; display: grid; place-items: center; color: white; border-radius: 50%; background: #d63d49; font-size: 35px; font-weight: 900; }
.scareware-button { display: block; margin: 0 auto 28px; padding: 13px 24px; color: white; border: 0; border-radius: 8px; background: #d63d49; font-weight: 900; cursor: pointer; }
.scareware-button:disabled { opacity: .65; cursor: default; }
.scareware-sim .lab-warning { margin: 0 24px 24px; }
.file-inspection-card { max-width: 760px; margin: 18px auto; display: flex; align-items: center; gap: 24px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.file-icon { width: 78px; height: 94px; flex: 0 0 auto; display: grid; place-items: center; color: white; border-radius: 8px 8px 16px 8px; background: #d54b59; font-size: 18px; font-weight: 900; }
.file-inspection-card strong, .file-inspection-card small { display: block; overflow-wrap: anywhere; }
.file-inspection-card strong { margin: 5px 0 8px; font: 700 20px "SFMono-Regular", Consolas, monospace; }
.file-inspection-card small { color: var(--muted); }

.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.metric-card { min-height: 150px; display: flex; flex-direction: column; justify-content: space-between; padding: 24px; border: 1px solid var(--line); border-radius: 15px; background: var(--surface); }
.metric-card span { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .09em; }
.metric-card strong { font-size: 42px; }
.admin-columns { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; }
.card-heading { display: flex; align-items: start; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.card-heading h2 { margin: 0; font-size: 26px; }
.card-heading > a, .card-heading > span { color: var(--primary); font-size: 11px; }
.quick-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.quick-grid a { display: grid; grid-template-columns: 1fr auto; padding: 17px; border-radius: 11px; background: var(--soft); }
.quick-grid strong, .quick-grid small { display: block; }
.quick-grid small { margin-top: 4px; color: var(--muted); font-size: 10px; font-weight: 400; }
.quick-grid span { grid-row: 1 / 3; grid-column: 2; align-self: center; color: var(--primary); }
.audit-mini { display: grid; }
.audit-mini > div { display: grid; grid-template-columns: 7px 1fr auto; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.audit-mini i { width: 7px; height: 7px; border-radius: 50%; background: var(--secondary); }
.audit-mini strong, .audit-mini small { display: block; }
.audit-mini small, .audit-mini time { color: var(--muted); font-size: 9px; }

.action-cell { white-space: nowrap; }
.action-cell form { display: inline; }
.text-link { padding: 4px 6px; color: var(--primary); border: 0; background: none; font-size: 11px; cursor: pointer; }
.text-link.danger { color: var(--danger); }
.status { display: inline-block; padding: 5px 8px; border-radius: 20px; font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; }
.status-live { color: var(--success); background: color-mix(in srgb, var(--success) 10%, transparent); }
.status-draft { color: var(--muted); background: var(--soft); }
.status-error { color: var(--danger); background: color-mix(in srgb, var(--danger) 10%, transparent); }
.admin-form { display: grid; gap: 25px; max-width: 1060px; margin: 0 auto; }
.narrow-form { max-width: 760px; }
.admin-form fieldset { display: grid; gap: 18px; padding: 24px; border: 1px solid var(--line); border-radius: 13px; }
.admin-form legend { padding: 0 8px; color: var(--primary); font-size: 11px; font-weight: 850; text-transform: uppercase; letter-spacing: .09em; }
.admin-form small, .form-grid small { color: var(--muted); font-weight: 400; }
.form-grid { display: grid; gap: 16px; }
.form-grid.two { grid-template-columns: repeat(2, 1fr); }
.form-grid.three { grid-template-columns: repeat(3, 1fr); }
.check-row { display: flex !important; align-items: flex-start; gap: 12px !important; padding: 16px; border: 1px solid var(--line); border-radius: 11px; background: var(--soft); cursor: pointer; }
.check-row input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--primary); }
.check-row strong, .check-row small { display: block; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; padding-top: 10px; }
.admin-section { margin-top: 24px; }
.mode-note { padding: 16px; border: 1px solid var(--line); border-radius: 11px; background: var(--soft); }
.mode-note p { margin: 5px 0 0; font-size: 12px; }
.scoreboard-filter { display: grid; grid-template-columns: auto minmax(220px, 360px) auto auto; align-items: end; gap: 10px; margin: -18px 0 22px; }
.scoreboard-filter label { align-self: center; color: var(--muted); font-size: 12px; font-weight: 750; }
.account-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 20px; align-items: start; }
.account-layout .admin-form { margin: 0; }
.profile-summary { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 16px; }
.profile-summary h2, .profile-summary p { margin: 0; }
.profile-summary dl { grid-column: 1 / -1; margin: 16px 0 0; border-top: 1px solid var(--line); }
.profile-summary dl div { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.profile-summary dt { color: var(--muted); }
.profile-summary dd { margin: 0; font-weight: 750; text-align: right; }
.attachment-admin-list { display: grid; }
.attachment-admin-list > div { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.attachment-admin-list strong, .attachment-admin-list small { display: block; }
.attachment-admin-list small { color: var(--muted); }
.upload-row { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 14px; margin-top: 25px; }
.theme-layout { display: grid; grid-template-columns: 1fr 430px; gap: 24px; align-items: start; }
.theme-layout .admin-form { margin: 0; }
.color-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.color-input { display: flex; align-items: center; gap: 6px; padding: 6px; border: 1px solid var(--line); border-radius: 9px; }
.color-input input { width: 34px; height: 30px; padding: 0; border: 0; background: none; }
.color-input code { font-size: 9px; }
.code-input { font-family: monospace; font-size: 12px; }
.theme-preview { --preview-primary: var(--primary); --preview-secondary: var(--secondary); --preview-bg: var(--background); --preview-surface: var(--surface); --preview-text: var(--text); position: sticky; top: 20px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.preview-window { overflow: hidden; color: var(--preview-text); border: 1px solid color-mix(in srgb, var(--preview-text) 15%, transparent); border-radius: 12px; background: var(--preview-bg); box-shadow: 0 20px 40px rgba(0,0,0,.24); }
.preview-nav { padding: 9px 12px; display: flex; align-items: center; gap: 7px; border-bottom: 1px solid color-mix(in srgb, var(--preview-text) 12%, transparent); }
.preview-nav i { width: 22px; height: 22px; display: grid; place-items: center; color: var(--preview-bg); border-radius: 6px; background: var(--preview-primary); font-size: 9px; font-weight: 900; }
.preview-nav b { margin-right: auto; font-size: 8px; }
.preview-nav span { width: 22px; height: 3px; background: color-mix(in srgb, var(--preview-text) 25%, transparent); }
.preview-body { padding: 35px 28px; background: radial-gradient(circle at 85% 10%, color-mix(in srgb, var(--preview-primary) 15%, transparent), transparent 40%); }
.preview-body small { color: var(--preview-primary); font-size: 6px; letter-spacing: .12em; }
.preview-body h2 { margin: 8px 0; font-size: 29px; }
.preview-body h2 em { color: var(--preview-primary); font-family: Georgia, serif; font-weight: 400; }
.preview-body p { color: color-mix(in srgb, var(--preview-text) 60%, transparent); font-size: 8px; }
.preview-body button { padding: 7px 10px; border: 0; border-radius: 5px; color: var(--preview-bg); background: var(--preview-primary); font-size: 7px; font-weight: 800; }
.preview-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; margin-top: 28px; }
.preview-cards i { height: 45px; border: 1px solid color-mix(in srgb, var(--preview-text) 12%, transparent); border-radius: 5px; background: var(--preview-surface); }
.theme-preview > p { margin: 18px 0 0; font-size: 11px; }
.json-cell { max-width: 340px; overflow-wrap: anywhere; font-family: monospace; }
.color-dot { display: inline-block; width: 11px; height: 11px; border-radius: 50%; box-shadow: 0 0 0 2px var(--line); }
.lab-builder-form { max-width: 1180px; }
.builder-section { display: grid; gap: 20px; }
.builder-warning { max-width: 1180px; margin: -20px auto 22px; border-color: color-mix(in srgb, var(--warning) 35%, transparent); }
.builder-help { margin: -10px 0 4px; font-size: 12px; }
.lab-builder-items { display: grid; gap: 14px; }
.lab-builder-item { display: grid; gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 13px; background: var(--soft); }
.builder-item-toolbar { display: flex; align-items: center; gap: 5px; color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.builder-item-toolbar span { margin-right: auto; }
.builder-item-toolbar button { width: 30px; height: 30px; display: grid; place-items: center; color: var(--text); border: 1px solid var(--line); border-radius: 8px; background: var(--surface); cursor: pointer; }
.builder-item-toolbar button:hover:not(:disabled) { border-color: var(--primary); }
.builder-item-toolbar button:disabled { opacity: .3; cursor: default; }
.builder-item-toolbar button.danger { color: var(--danger); }
.builder-validation-row { align-items: end; }
[data-classification-settings], [data-builder-limits] { padding: 16px; border: 1px dashed var(--line); border-radius: 11px; }

@media (max-width: 1100px) {
  .report-participant-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .report-export-card { align-items: flex-start; flex-direction: column; }
  .site-header { gap: 16px; }
  .brand { min-width: auto; }
  .brand small, .user-menu > span:nth-child(2) { display: none; }
  .user-menu { min-width: auto; }
  .hero { grid-template-columns: 1fr; min-height: 650px; }
  .hero-panel { justify-self: start; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .content-layout { grid-template-columns: 1fr 340px; }
  .admin-columns, .theme-layout, .account-layout { grid-template-columns: 1fr; }
  .theme-preview { position: static; }
  .color-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 760px) {
  .report-participant-grid { grid-template-columns: 1fr; }
  .site-header { min-height: 72px; padding: 12px 18px; flex-wrap: wrap; }
  .main-nav { order: 3; width: 100%; justify-content: start; padding: 9px 0; overflow-x: auto; }
  .user-menu { margin-left: auto; }
  .page-shell, .site-footer { width: min(100% - 28px, 1380px); }
  .page-shell { padding-top: 35px; }
  .hero { min-height: 650px; padding: 45px 24px; border-radius: 20px; }
  .hero h1 { font-size: 52px; }
  .hero-panel { width: 100%; }
  .section-block { padding-top: 75px; }
  .section-heading, .cta-band, .page-heading.simple, .challenge-hero, .lab-header { align-items: flex-start; flex-direction: column; }
  .category-grid, .metric-grid, .quick-grid, .incident-layout { grid-template-columns: 1fr; }
  .category-card { min-height: 320px; }
  .content-layout { grid-template-columns: 1fr; }
  .submit-card { position: static; }
  .challenge-row { grid-template-columns: 38px 1fr 60px; gap: 12px; padding: 16px; }
  .challenge-row .arrow { display: none; }
  .challenge-main p { display: none; }
  .points-badge { width: 100px; height: 100px; flex-basis: 100px; }
  .form-grid.two, .form-grid.three, .color-grid { grid-template-columns: 1fr; }
  .content-card, .submit-card, .scenario-card, .sequence-card { padding: 23px; }
  .admin-nav { margin-inline: 14px; }
  .site-footer { flex-direction: column; gap: 12px; }
  .identity-card { grid-template-columns: 42px 1fr; }
  .identity-card b { display: none; }
  .upload-row { grid-template-columns: 1fr; }
  .scoreboard-filter { grid-template-columns: 1fr; align-items: stretch; }
  .lab-option-grid, .token-grid, .method-notes { grid-template-columns: 1fr; }
  .classification-card { grid-template-columns: 1fr; gap: 12px; }
  .ordering-grid label > span:last-child { grid-template-columns: 1fr; gap: 6px; }
  .builder-meter { grid-template-columns: 1fr; }
  .builder-meter strong { text-align: left; }
  .scareware-body { align-items: flex-start; padding: 24px; }
  .scareware-body strong { font-size: 17px; }
}