:root {
  color-scheme: dark;
  --page: #060a14;
  --page2: #0a1020;
  --panel: rgba(17, 24, 43, .88);
  --panel-strong: rgba(23, 33, 58, .96);
  --panel-soft: rgba(255, 255, 255, .065);
  --ink: #f8faff;
  --text: #f8faff;
  --muted: #b5c0d8;
  --subtle: #8490aa;
  --line: rgba(255,255,255,.13);
  --line-strong: rgba(185,199,255,.28);
  --blue: #7894ff;
  --violet: #b497ff;
  --lilac: #d6c9ff;
  --mint: #55d8bb;
  --amber: #f3ca74;
  --coral: #ff8b7d;
  --radius: 8px;
  --gap: 14px;
  --section-y: 66px;
  --shadow: 0 26px 80px rgba(0,0,0,.34);
  --glow: 0 0 0 1px rgba(185,199,255,.12), 0 24px 70px rgba(63,83,180,.22);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--page); }
body {
  margin: 0;
  font-family: "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 16% 4%, rgba(120,148,255,.28), transparent 28%),
    radial-gradient(circle at 86% 10%, rgba(180,151,255,.20), transparent 26%),
    linear-gradient(180deg, #060a14 0%, #0a1020 46%, #080d1a 100%);
  line-height: 1.58;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, strong, span, a, button, td, th { overflow-wrap: anywhere; }
.hero {
  min-height: 92vh;
  padding: 22px clamp(18px, 4vw, 70px) 48px;
  background:
    linear-gradient(135deg, rgba(120,148,255,.08), rgba(180,151,255,.08)),
    transparent;
  overflow: hidden;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: 1360px;
  margin: 0 auto 34px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: .04em; }
.brand-mark {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--blue), var(--violet));
  color: #fff;
}
.nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.nav-links a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 11px;
  color: #e2e8ff;
  font-size: 13px;
  background: var(--panel-soft);
}
.hero-grid {
  max-width: 1360px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0,.92fr) minmax(430px,1.08fr);
  gap: clamp(24px, 4vw, 58px);
  align-items: center;
}
.hero-copy { max-width: 760px; }
.eyebrow, .section-kicker {
  display: inline-flex;
  align-items: center;
  margin-bottom: 14px;
  color: var(--lilac);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1 { margin: 0 0 18px; font-size: clamp(38px, 5vw, 72px); line-height: 1.04; letter-spacing: 0; }
.lead { margin: 0 0 24px; max-width: 700px; color: #dde5fa; font-size: clamp(18px, 2vw, 23px); }
.actions, .control-stack { display: flex; flex-wrap: wrap; gap: 12px; }
.actions { margin: 0 0 16px; }
.btn, .control-button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 12px 16px;
  background: rgba(255,255,255,.075);
  color: var(--ink);
  font-weight: 900;
  cursor: pointer;
}
.btn.primary, .control-button.active {
  background: linear-gradient(135deg, var(--blue), var(--violet));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 18px 44px rgba(120,148,255,.26);
}
.btn.ghost, .btn.dark { color: #e4eaff; background: rgba(255,255,255,.06); }
.hero-note { margin: 0; color: var(--muted); font-size: 14px; }
.trust-strip, .ops-mini, .metric-grid, .diagnostic-grid, .sla-grid, .check-grid, .journey-map {
  display: grid;
  gap: var(--gap);
}
.trust-strip { grid-template-columns: repeat(3, minmax(0,1fr)); margin-top: 24px; }
.trust-strip div, .poster, .ops-mini div, .journey-map article, .diag-card, .sla-grid article, .check-grid article, .metric-grid article, .ops-board, .result-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.045));
  box-shadow: var(--glow);
}
.trust-strip div { min-height: 86px; padding: 14px; }
.trust-strip strong { display: block; font-size: 18px; }
.trust-strip span { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; }
.cinema-panel, .console-shell {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.045));
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel-toolbar {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  color: #e4eaff;
  background: rgba(5,9,19,.38);
}
.panel-toolbar strong { margin-left: 8px; }
.panel-toolbar em { margin-left: auto; color: var(--muted); font-style: normal; font-size: 12px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--coral); }
.dot:nth-child(2) { background: var(--amber); }
.dot:nth-child(3) { background: var(--mint); }
.screen-frame { padding: 18px; }
.featured-player {
  min-height: 310px;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(120,148,255,.88), rgba(180,151,255,.62) 45%, rgba(85,216,187,.50)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.08) 0 26px, transparent 26px 54px);
}
.featured-player:before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 34%, rgba(7,11,22,.88)),
    radial-gradient(circle at 22% 18%, rgba(255,255,255,.35), transparent 18%);
}
.play-button {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-42%,-50%);
  width: 0;
  height: 0;
  border-left: 48px solid #fff;
  border-top: 30px solid transparent;
  border-bottom: 30px solid transparent;
  filter: drop-shadow(0 8px 22px rgba(0,0,0,.32));
}
.player-meta { position: absolute; left: 18px; right: 18px; bottom: 18px; display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; }
.player-meta span { color: #e5ebff; font-weight: 800; }
.player-meta strong { font-size: 22px; }
.content-rail { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px; margin-top: 12px; }
.poster { min-height: 116px; display: grid; align-content: end; gap: 5px; padding: 12px; }
.poster.active { outline: 2px solid rgba(85,216,187,.82); }
.poster span { color: #cdd7ff; font-weight: 900; }
.poster strong { font-size: 14px; }
.poster em { color: var(--muted); font-style: normal; font-size: 12px; }
.ops-mini { grid-template-columns: repeat(4, minmax(0,1fr)); padding: 0 18px 18px; }
.ops-mini div { min-height: 112px; padding: 12px; }
.ops-mini strong, .ops-mini small { display: block; }
.ops-mini strong { margin-top: 10px; }
.ops-mini small { margin-top: 4px; color: var(--muted); line-height: 1.35; }
.status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 25px;
  border-radius: 999px;
  padding: 4px 9px;
  color: #07111f;
  background: #dfe7ff;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}
.status.good { background: var(--mint); }
.status.wait { background: var(--violet); color: #fff; }
.status.warn { background: var(--amber); }
.section, .section.dark-band {
  padding: var(--section-y) clamp(18px, 4vw, 70px);
  background:
    linear-gradient(135deg, rgba(120,148,255,.07), rgba(180,151,255,.045)),
    transparent;
  color: var(--ink);
  border-top: 1px solid var(--line);
}
.section-head { max-width: 940px; margin: 0 auto 28px; text-align: center; }
.section-head.compact { text-align: left; margin-left: 0; }
.section-head h2 { margin: 0 0 10px; font-size: clamp(28px, 3.4vw, 46px); line-height: 1.12; letter-spacing: 0; }
.section-head p, .dark-band .section-head p { margin: 0; color: var(--muted); font-size: 17px; }
.journey-map { max-width: 1240px; margin: 0 auto; grid-template-columns: repeat(6, minmax(0,1fr)); }
.journey-map article, .sla-grid article { min-height: 190px; padding: 16px; }
.journey-map span { display: block; color: var(--lilac); font-weight: 900; }
.journey-map strong, .sla-grid h3 { display: block; margin-top: 12px; font-size: 18px; }
.journey-map p, .sla-grid p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.console-shell { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 240px minmax(0,1fr); }
.console-sidebar { background: rgba(5,9,19,.44); color: #eaf0ff; padding: 18px; border-right: 1px solid var(--line); }
.console-sidebar strong { display: block; margin-bottom: 18px; font-size: 18px; }
.console-sidebar a {
  display: flex;
  align-items: center;
  min-height: 40px;
  border-radius: var(--radius);
  padding: 9px 10px;
  color: #cfd9f3;
  margin-bottom: 6px;
}
.console-sidebar a.active { background: rgba(120,148,255,.22); color: #fff; }
.console-main { padding: 20px; }
.console-header { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 16px; }
.console-header h3 { margin: 0; font-size: 26px; }
.metric-grid { grid-template-columns: repeat(4, minmax(0,1fr)); margin-bottom: 14px; }
.metric-grid article { min-height: 118px; padding: 14px; }
.metric-grid strong, .metric-grid span { display: block; }
.metric-grid span { margin-top: 5px; color: var(--muted); font-size: 13px; }
.bar { height: 8px; border-radius: 999px; background: rgba(255,255,255,.12); overflow: hidden; margin-top: 18px; }
.bar i { display: block; height: 100%; background: var(--blue); border-radius: inherit; }
.bar.purple i { background: var(--violet); }
.bar.mint i { background: var(--mint); }
.bar.amber i { background: var(--amber); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.035); }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: 13px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { color: #d8def5; font-size: 13px; background: rgba(255,255,255,.045); }
td { color: #eef2ff; }
tr:last-child td { border-bottom: 0; }
.diagnostic-grid, .sla-grid, .check-grid { max-width: 1240px; margin: 0 auto; grid-template-columns: repeat(4, minmax(0,1fr)); }
.diag-card { min-height: 218px; padding: 18px; }
.diag-card h3 { margin: 18px 0 8px; font-size: 20px; }
.diag-card p { margin: 0 0 18px; color: var(--muted); }
meter { width: 100%; height: 11px; accent-color: var(--violet); }
.split-section { display: grid; grid-template-columns: minmax(260px,.7fr) minmax(0,1.3fr); gap: 30px; align-items: start; }
.ops-board { padding: 16px; }
.control-stack { margin-bottom: 14px; }
.control-button { color: var(--ink); }
.result-card pre {
  min-height: 156px;
  margin: 14px 0 0;
  white-space: pre-wrap;
  border-radius: var(--radius);
  background: rgba(5,9,19,.62);
  color: #dfe7ff;
  padding: 14px;
  overflow: auto;
}
.report-cta {
  max-width: 1240px;
  margin: 18px auto 0;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.05));
  padding: 16px;
  box-shadow: var(--glow);
}
.report-cta div { margin-right: auto; }
.report-cta strong, .report-cta span { display: block; }
.report-cta span { color: var(--muted); margin-top: 3px; }
.check-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.check-grid article { min-height: 138px; padding: 18px; }
.check-grid strong, .check-grid span { display: block; }
.check-grid span { color: var(--muted); margin-top: 8px; }
footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 96px;
  padding: 24px;
  background: #050914;
  color: var(--muted);
  text-align: center;
  border-top: 1px solid var(--line);
}
footer strong { color: #fff; }
@media (max-width: 1180px) {
  .hero-grid { grid-template-columns: 1fr; }
  .cinema-panel { max-width: 920px; }
  .journey-map { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .metric-grid, .diagnostic-grid, .sla-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .ops-mini { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .split-section { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .hero { min-height: auto; padding-top: 16px; }
  .topbar { align-items: flex-start; }
  .nav-links { display: none; }
  .hero-grid { gap: 24px; }
  h1 { font-size: clamp(34px, 12vw, 48px); }
  .lead { font-size: 17px; }
  .actions .btn, .report-cta .btn { width: 100%; }
  .trust-strip, .content-rail, .journey-map, .metric-grid, .diagnostic-grid, .sla-grid, .check-grid, .ops-mini { grid-template-columns: 1fr; }
  .featured-player { min-height: 240px; }
  .player-meta { align-items: flex-start; flex-direction: column; }
  .console-shell { grid-template-columns: 1fr; }
  .console-sidebar { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 6px; border-right: 0; border-bottom: 1px solid var(--line); }
  .console-sidebar strong { grid-column: 1 / -1; margin-bottom: 4px; }
  .console-sidebar a { margin-bottom: 0; }
  .report-cta { align-items: stretch; flex-direction: column; }
  .section { padding-top: 48px; padding-bottom: 48px; }
}
@media (max-width: 420px) {
  .panel-toolbar { flex-wrap: wrap; }
  .panel-toolbar em { margin-left: 0; }
  .console-sidebar { grid-template-columns: 1fr; }
  th, td { padding: 11px 10px; }
}


.floating-assist {
  position: fixed;
  right: clamp(14px, 2.4vw, 28px);
  bottom: clamp(14px, 2.4vw, 28px);
  z-index: 30;
  display: grid;
  justify-items: end;
  gap: 10px;
  pointer-events: none;
}
.floating-trigger {
  min-width: 104px;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 11px 14px;
  color: var(--ink);
  background: linear-gradient(135deg, rgba(120,148,255,.96), rgba(180,151,255,.92));
  box-shadow: var(--shadow);
  font-weight: 900;
  cursor: pointer;
  pointer-events: auto;
}
.floating-trigger:nth-of-type(2) {
  background: linear-gradient(135deg, rgba(85,216,187,.94), rgba(120,148,255,.88));
  color: #06101d;
}
.trigger-icon {
  width: 23px;
  height: 23px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255,255,255,.18);
  font-weight: 900;
}
.assist-panel {
  width: min(420px, calc(100vw - 28px));
  max-height: min(74vh, 680px);
  overflow: auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(17,24,43,.98), rgba(10,16,32,.96));
  color: var(--ink);
  box-shadow: var(--shadow);
  padding: 16px;
  pointer-events: auto;
}
.assist-panel[hidden] { display: none; }
.assist-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
  margin-bottom: 12px;
}
.assist-panel-head h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.15;
}
.assist-close {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.08);
  color: var(--ink);
  font-size: 24px;
  cursor: pointer;
}
.assist-copy {
  margin: 0 0 13px;
  color: var(--muted);
  font-size: 14px;
}
.assist-downloads {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 12px 0;
}
.assist-downloads .btn {
  min-height: 42px;
  padding: 10px 12px;
  font-size: 13px;
}
.assist-link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0;
}
.assist-link-grid a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 10px;
  background: rgba(255,255,255,.06);
  color: #e6ecff;
  font-weight: 800;
  font-size: 13px;
}
.assist-list {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13px;
}
.community-form {
  display: grid;
  gap: 10px;
}
.community-form label {
  display: grid;
  gap: 6px;
  color: #eaf0ff;
  font-weight: 800;
  font-size: 13px;
}
.community-form label span,
.file-field small {
  color: var(--subtle);
  font-weight: 700;
}
.community-form input[type="text"],
.community-form textarea,
.community-form input[type="file"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.07);
  color: var(--ink);
  padding: 11px 12px;
  font: inherit;
}
.community-form textarea { resize: vertical; min-height: 112px; }
.community-form input::placeholder,
.community-form textarea::placeholder { color: rgba(226,232,255,.58); }
.assist-type-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.assist-type-row label {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.06);
  padding: 8px 10px;
}
.assist-feedback {
  min-height: 22px;
  margin: 0;
  color: var(--mint);
  font-weight: 800;
  font-size: 13px;
}
@media (max-width: 760px) {
  .floating-assist {
    right: 12px;
    bottom: 12px;
    gap: 8px;
  }
  .floating-trigger {
    min-width: 94px;
    min-height: 44px;
    padding: 10px 12px;
  }
  .assist-panel {
    width: calc(100vw - 24px);
    max-height: 70vh;
  }
  .assist-downloads,
  .assist-link-grid {
    grid-template-columns: 1fr;
  }
}