/* Core tokens, reset, shared components, and original responsive rules. */
:root {
  --coastal-blue: #2363af;
  --coastal-blue-2: #0f73d9;
  --coastal-green: #529535;
  --navy: #0b1f3a;
  --navy-2: #102a4d;
  --sky: #e9f3ff;
  --bg: #f4f7fb;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --text: #17263f;
  --muted: #66758c;
  --line: #dfe6ef;
  --soft-blue: #edf5ff;
  --soft-green: #eef8ea;
  --soft-amber: #fff8e7;
  --soft-red: #fff0f2;
  --soft-purple: #f4efff;
  --danger: #c8354e;
  --warning: #c17a00;
  --success: #2f7d32;
  --shadow: 0 12px 34px rgba(20, 45, 80, .08);
  --shadow-lg: 0 26px 70px rgba(9, 31, 63, .18);
  --radius: 20px;
  --sidebar-w: 268px;
  --topbar-h: 74px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

[data-theme="dark"] {
  --bg: #09121f;
  --panel: #101c2d;
  --panel-2: #132238;
  --text: #eef5ff;
  --muted: #9db0c8;
  --line: #24364d;
  --soft-blue: #142c4b;
  --soft-green: #17311e;
  --soft-amber: #362d17;
  --soft-red: #3b1d25;
  --soft-purple: #2b2341;
  --sky: #0f2744;
  --shadow: 0 18px 44px rgba(0, 0, 0, .22);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, .42);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
:focus-visible { outline: 3px solid rgba(35, 99, 175, .35); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }
.icon.sm { width: 16px; height: 16px; }
.icon.lg { width: 26px; height: 26px; }
.icon.xl { width: 34px; height: 34px; }
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.app-shell { min-height: 100vh; }
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-w);
  background: var(--panel);
  border-right: 1px solid var(--line);
  z-index: 60;
  display: flex;
  flex-direction: column;
  transition: transform .28s var(--ease);
}
.brand {
  min-height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--coastal-blue), #21a5d8);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 24px rgba(35, 99, 175, .22);
}
.brand-mark svg { width: 29px; height: 29px; }
.brand-name { font-weight: 850; letter-spacing: .12em; font-size: 17px; line-height: 1; color: var(--navy); }
[data-theme="dark"] .brand-name { color: #fff; }
.brand-sub { margin-top: 5px; font-size: 9px; letter-spacing: .28em; color: var(--muted); font-weight: 750; }
.nav-scroll { overflow: auto; padding: 14px 12px 22px; scrollbar-width: thin; }
.nav-group { margin: 17px 12px 6px; color: var(--muted); font-size: 10px; letter-spacing: .13em; font-weight: 800; }
.nav-link {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
  font-weight: 620;
  transition: background .18s ease, color .18s ease, transform .18s ease;
  position: relative;
}
.nav-link:hover { background: var(--panel-2); color: var(--text); transform: translateX(2px); }
.nav-link.active { background: linear-gradient(90deg, #e6f1ff, #f1f7ff); color: #0e63c7; }
[data-theme="dark"] .nav-link.active { background: #153152; color: #7fc4ff; }
.sidebar-footer { margin-top: auto; padding: 12px; }
.start-card {
  border: 1px solid #cfe0f6;
  background: linear-gradient(160deg, #f6faff, #eaf3ff);
  border-radius: 18px;
  padding: 16px;
  position: relative;
  overflow: hidden;
}
[data-theme="dark"] .start-card { background: #102a48; border-color: #244c77; }
.start-card:after { content: ""; position: absolute; width: 90px; height: 90px; right: -28px; bottom: -34px; border-radius: 50%; background: rgba(35,99,175,.12); }
.start-card strong { display: block; margin-bottom: 6px; color: var(--coastal-blue); }
.start-card p { margin: 0 0 13px; font-size: 12px; color: var(--muted); }

.main { margin-left: var(--sidebar-w); min-height: 100vh; }
.topbar {
  height: var(--topbar-h);
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(280px, 720px) auto;
  justify-content: center;
  align-items: center;
  gap: 24px;
  padding: 0 28px;
}
.mobile-menu { display: none; }
.search-wrap { position: relative; }
.search-box {
  height: 42px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 9px;
  color: var(--muted);
  transition: border .18s ease, box-shadow .18s ease;
}
.search-box:focus-within { border-color: rgba(35,99,175,.55); box-shadow: 0 0 0 4px rgba(35,99,175,.09); }
.search-box input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--text); }
.kbd { border: 1px solid var(--line); background: var(--panel); border-radius: 7px; padding: 2px 7px; font-size: 11px; color: var(--muted); box-shadow: inset 0 -1px 0 rgba(0,0,0,.05); }
.top-actions { display: flex; align-items: center; gap: 8px; justify-content: flex-end; }
.icon-btn {
  width: 40px; height: 40px; border: 1px solid transparent; border-radius: 12px;
  background: transparent; color: var(--text); display: grid; place-items: center; cursor: pointer;
  transition: background .18s ease, border .18s ease, transform .18s ease;
  position: relative;
}
.icon-btn:hover { background: var(--panel-2); border-color: var(--line); transform: translateY(-1px); }
.avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 12px; margin-left: 4px; }
.content { max-width: 1540px; margin: 0 auto; padding: 22px 28px 50px; }
.page { display: none; animation: pageIn .32s var(--ease); }
.page.active { display: block; }
@keyframes pageIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin: 4px 0 20px; }
.page-head h1 { margin: 0; font-size: clamp(28px, 3vw, 40px); letter-spacing: -.04em; line-height: 1.1; }
.page-head p { margin: 8px 0 0; max-width: 760px; color: var(--muted); font-size: 16px; }
.page-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.eyebrow { color: var(--coastal-blue); font-size: 12px; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; margin-bottom: 8px; }

.hero {
  border-radius: 24px;
  min-height: 320px;
  overflow: hidden;
  position: relative;
  color: #fff;
  background:
    radial-gradient(circle at 86% 15%, rgba(41,142,238,.78), transparent 38%),
    radial-gradient(circle at 42% 100%, rgba(36,132,196,.32), transparent 40%),
    linear-gradient(135deg, #062f65 0%, #073d7c 44%, #0b64b3 100%);
  box-shadow: 0 24px 60px rgba(9,58,118,.18);
  display: grid;
  grid-template-columns: 1fr 330px;
  gap: 24px;
  padding: 38px 38px;
  isolation: isolate;
}
.hero:before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to left, #000, transparent 72%);
  z-index: -2;
}
.hero-blueprint { position: absolute; right: 240px; bottom: -24px; width: 620px; height: 290px; opacity: .24; z-index: -1; color: #fff; }
.hero-copy { align-self: center; max-width: 720px; }
.hero-kicker { font-size: 19px; margin-bottom: 2px; opacity: .94; }
.hero h1 { margin: 0; font-size: clamp(42px, 5vw, 68px); letter-spacing: -.055em; line-height: .98; }
.hero-sub { margin: 13px 0 0; font-size: clamp(17px, 2vw, 23px); color: rgba(255,255,255,.9); }
.hero-pills { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
.hero-pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border: 1px solid rgba(255,255,255,.16); background: rgba(3,25,53,.38); border-radius: 999px; font-size: 12px; font-weight: 700; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 25px; }
.tip-panel { align-self: stretch; background: rgba(3,24,51,.52); border: 1px solid rgba(255,255,255,.13); backdrop-filter: blur(12px); border-radius: 18px; padding: 22px; display: flex; flex-direction: column; justify-content: space-between; }
.tip-panel .tip-title { display: flex; gap: 10px; align-items: center; font-weight: 800; }
.tip-panel .tip-title .icon { color: #ffdd61; }
.tip-panel h3 { margin: 17px 0 8px; font-size: 19px; }
.tip-panel p { margin: 0; color: rgba(255,255,255,.78); }

.btn {
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 9px 14px;
  font-weight: 760;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--coastal-blue); color: #fff; box-shadow: 0 10px 22px rgba(35,99,175,.2); }
.btn-primary:hover { background: #174f91; }
.btn-secondary { background: var(--panel); color: var(--text); border-color: var(--line); }
.btn-secondary:hover { background: var(--panel-2); }
.btn-ghost { background: transparent; color: currentColor; border-color: currentColor; opacity: .95; }
.btn-hero { background: #fff; color: #0d4f98; }
.btn-hero-alt { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.24); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { min-height: 34px; padding: 6px 10px; font-size: 12px; border-radius: 10px; }
.link { color: var(--coastal-blue); font-weight: 750; display: inline-flex; align-items: center; gap: 5px; }
.link:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.tiny { font-size: 12px; }

.quick-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.quick-card, .panel, .card, .metric, .tool-card, .prompt-card, .video-card, .policy-card, .dept-card, .course-card, .form-card, .stage-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.quick-card { padding: 18px; min-height: 142px; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, border .18s ease; }
.quick-card:hover { transform: translateY(-3px); border-color: #bed5ee; box-shadow: 0 18px 40px rgba(20,45,80,.11); }
.icon-tile { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 13px; margin-bottom: 13px; }
.tone-blue { background: #e8f2ff; color: #1e63c4; }
.tone-green { background: #e9f7ee; color: #21834b; }
.tone-orange { background: #fff1e5; color: #d26908; }
.tone-purple { background: #f1eaff; color: #6c42d4; }
.tone-teal { background: #e5f8f7; color: #0b8a85; }
.tone-red { background: #ffe9ed; color: #d63855; }
[data-theme="dark"] .tone-blue, [data-theme="dark"] .tone-green, [data-theme="dark"] .tone-orange, [data-theme="dark"] .tone-purple, [data-theme="dark"] .tone-teal, [data-theme="dark"] .tone-red { background: rgba(255,255,255,.07); }
.quick-card h3 { margin: 0 0 6px; font-size: 16px; }
.quick-card p { margin: 0; color: var(--muted); font-size: 13px; }

.section { margin-top: 18px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin: 0 0 12px; }
.section-head h2 { margin: 0; font-size: 23px; letter-spacing: -.025em; }
.section-head p { margin: 4px 0 0; color: var(--muted); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.dashboard-grid { display: grid; grid-template-columns: 1.15fr 1fr .95fr; gap: 16px; margin-top: 18px; }
.panel { padding: 20px; }
.panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.panel-title { display: flex; align-items: center; gap: 8px; color: var(--coastal-blue); font-weight: 820; }
.panel h2 { margin: 7px 0 0; font-size: 19px; }
.featured-prompt { background: linear-gradient(155deg, var(--panel), var(--soft-green)); }
.prompt-box { border: 1px solid #bfe2cc; background: color-mix(in srgb, var(--panel) 80%, #eaf9ef); border-radius: 14px; padding: 15px; color: var(--text); }
.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 13px; }
.chip { display: inline-flex; align-items: center; gap: 6px; min-height: 28px; padding: 4px 9px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); color: var(--muted); font-size: 11px; font-weight: 700; }
.list-clean { list-style: none; padding: 0; margin: 0; }
.rank-list li { display: grid; grid-template-columns: 28px 1fr auto; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.rank-list li:last-child { border-bottom: 0; }
.rank-dot { width: 24px; height: 24px; border-radius: 50%; background: #e6f4ff; color: #0f75c7; display: grid; place-items: center; font-size: 11px; font-weight: 820; }
.leader-row { display: grid; grid-template-columns: 26px 36px 1fr auto; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.leader-row:last-child { border-bottom: 0; }
.person { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 11px; font-weight: 800; }
.score { color: var(--muted); font-weight: 700; font-size: 12px; }
.department-strip { margin-top: 16px; padding: 18px; }
.department-mini-grid { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 10px; margin-top: 14px; }
.department-mini { display: flex; align-items: center; gap: 10px; padding: 12px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 13px; cursor: pointer; transition: transform .18s ease, border .18s ease; }
.department-mini:hover { transform: translateY(-2px); border-color: #b9d2ec; }
.department-mini strong { display: block; font-size: 13px; }
.department-mini span { display: block; color: var(--muted); font-size: 11px; }

.notice {
  border: 1px solid #b8dafb;
  background: linear-gradient(90deg, #eaf5ff, #f7fbff);
  color: #124e88;
  padding: 13px 15px;
  border-radius: 14px;
  display: flex;
  gap: 11px;
  align-items: flex-start;
}
[data-theme="dark"] .notice { background: #102b49; color: #9bd3ff; border-color: #27567e; }
.notice strong { display: block; margin-bottom: 2px; }
.notice p { margin: 0; font-size: 13px; }
.notice.warning { background: var(--soft-amber); border-color: #eed696; color: #76520c; }
[data-theme="dark"] .notice.warning { color: #ffe5a7; }
.notice.danger { background: var(--soft-red); border-color: #f0bdc6; color: #8d2439; }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; }
.metric { padding: 17px; }
.metric-label { color: var(--muted); font-size: 12px; font-weight: 700; }
.metric-value { font-size: 29px; font-weight: 850; letter-spacing: -.035em; margin-top: 3px; }
.metric-note { margin-top: 2px; color: var(--muted); font-size: 11px; }

.lifecycle { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; }
.stage-card { padding: 19px; position: relative; overflow: hidden; }
.stage-card:before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--stage); }
.stage-card h3 { margin: 13px 0 6px; }
.stage-card p { margin: 0 0 12px; color: var(--muted); font-size: 13px; }
.bullet-list { margin: 0; padding-left: 18px; color: var(--muted); }
.bullet-list li { margin: 6px 0; }
.check-list { display: grid; gap: 9px; }
.check-item { display: flex; align-items: flex-start; gap: 9px; }
.check-item .icon { color: var(--success); margin-top: 2px; }

.stepper { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 12px; counter-reset: steps; }
.step { padding: 18px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; position: relative; }
.step:before { counter-increment: steps; content: counter(steps); width: 28px; height: 28px; display: grid; place-items: center; background: var(--coastal-blue); color: #fff; border-radius: 50%; font-size: 12px; font-weight: 800; margin-bottom: 12px; }
.step h3 { margin: 0 0 5px; font-size: 15px; }
.step p { margin: 0; color: var(--muted); font-size: 12px; }
.formula { padding: 18px; border-radius: 17px; background: linear-gradient(135deg, var(--navy), #164c85); color: #fff; }
.formula-parts { display: flex; flex-wrap: wrap; gap: 8px; margin: 13px 0; }
.formula-parts span { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15); padding: 8px 10px; border-radius: 10px; font-weight: 750; font-size: 12px; }
.model-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 12px; }
.model-card { padding: 16px; border: 1px solid var(--line); background: var(--panel); border-radius: 16px; }
.model-card.recommended { border-color: #8ebbe9; box-shadow: inset 0 0 0 1px #8ebbe9; }
.model-card .model-name { display: flex; align-items: center; justify-content: space-between; font-weight: 850; }
.model-card p { color: var(--muted); font-size: 12px; margin: 8px 0 0; }

.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.tab-btn, .filter-btn { border: 1px solid var(--line); background: var(--panel); color: var(--muted); padding: 8px 12px; border-radius: 999px; cursor: pointer; font-weight: 720; font-size: 12px; }
.tab-btn.active, .filter-btn.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.course-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 15px; }
.course-card { padding: 19px; display: flex; flex-direction: column; min-height: 250px; }
.course-card .course-top { display: flex; justify-content: space-between; gap: 12px; }
.course-card h3 { margin: 14px 0 7px; }
.course-card p { margin: 0; color: var(--muted); font-size: 13px; }
.course-meta { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0; }
.course-actions { margin-top: auto; display: flex; gap: 8px; }
.progress { height: 8px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; overflow: hidden; margin-top: 14px; }
.progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--coastal-blue), #31a3e0); border-radius: inherit; }
.lesson-list { display: grid; gap: 8px; margin-top: 12px; }
.lesson-check { display: flex; align-items: center; gap: 10px; padding: 10px; border: 1px solid var(--line); background: var(--panel-2); border-radius: 12px; }
.lesson-check input { width: 17px; height: 17px; accent-color: var(--coastal-blue); }

.tool-toolbar, .prompt-toolbar, .video-toolbar { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; margin-bottom: 15px; }
.field-inline { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--panel); border-radius: 12px; padding: 0 12px; min-height: 42px; }
.field-inline input { border: 0; outline: 0; background: transparent; color: var(--text); width: 100%; }
.tool-grid, .prompt-grid, .video-grid, .dept-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 15px; }
.tool-card { padding: 18px; display: flex; flex-direction: column; min-height: 250px; transition: transform .18s ease, box-shadow .18s ease; }
.tool-card:hover, .prompt-card:hover, .video-card:hover, .dept-card:hover { transform: translateY(-3px); box-shadow: 0 18px 42px rgba(20,45,80,.12); }
.tool-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.tool-logo { width: 48px; height: 48px; border-radius: 15px; display: grid; place-items: center; }
.status { display: inline-flex; align-items: center; gap: 5px; border-radius: 999px; padding: 5px 8px; font-size: 10px; font-weight: 820; border: 1px solid; white-space: nowrap; }
.status.available { color: #27793a; background: #edf8ef; border-color: #bce1c5; }
.status.pilot { color: #8a5b00; background: #fff7df; border-color: #ecd28a; }
.status.testing { color: #7852b8; background: #f3edff; border-color: #d7c8f4; }
.status.planned { color: #58687e; background: var(--panel-2); border-color: var(--line); }
[data-theme="dark"] .status { background: rgba(255,255,255,.06); }
.tool-card h3 { margin: 14px 0 6px; }
.tool-card p { margin: 0; color: var(--muted); font-size: 13px; }
.tool-meta { margin-top: 13px; display: grid; gap: 6px; color: var(--muted); font-size: 12px; }
.tool-actions { margin-top: auto; padding-top: 15px; display: flex; gap: 8px; flex-wrap: wrap; }


.video-card { overflow: hidden; }
.video-thumb { height: 150px; position: relative; display: grid; place-items: center; background: linear-gradient(135deg, #0b2f5d, #1f76c4); color: #fff; }
.video-thumb.egnyte { background: linear-gradient(135deg, #4f2e91, #8459d5); }
.video-thumb.internal { background: linear-gradient(135deg, #1c6a3a, #50a262); }
.video-thumb:after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 28px 28px; }
.play { width: 54px; height: 54px; border-radius: 50%; background: rgba(255,255,255,.94); color: #175fa7; display: grid; place-items: center; z-index: 1; box-shadow: 0 12px 34px rgba(0,0,0,.18); }
.video-body { padding: 17px; }
.video-body h3 { margin: 9px 0 6px; }
.video-body p { margin: 0; color: var(--muted); font-size: 13px; }
.video-actions { margin-top: 14px; display: flex; gap: 8px; }

.prompt-card { padding: 18px; display: flex; flex-direction: column; min-height: 255px; }
.prompt-card h3 { margin: 12px 0 6px; }
.prompt-card .prompt-text { margin: 8px 0 0; background: var(--panel-2); border: 1px solid var(--line); border-radius: 13px; padding: 13px; color: var(--text); font-size: 12px; line-height: 1.65; }
.prompt-card .prompt-actions { margin-top: auto; padding-top: 13px; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.empty-state { display: none; padding: 46px 20px; text-align: center; border: 1px dashed var(--line); background: var(--panel); border-radius: 18px; color: var(--muted); }

.dept-card { padding: 18px; cursor: pointer; }
.dept-card .dept-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.dept-card h3 { margin: 13px 0 5px; }
.dept-card p { margin: 0; color: var(--muted); font-size: 13px; }
.dept-card .dept-count { font-size: 11px; color: var(--muted); margin-top: 12px; }

.leaderboard-table { width: 100%; border-collapse: collapse; }
.leaderboard-table th, .leaderboard-table td { padding: 13px 12px; border-bottom: 1px solid var(--line); text-align: left; }
.leaderboard-table th { color: var(--muted); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.leaderboard-table td:last-child, .leaderboard-table th:last-child { text-align: right; }
.position { width: 32px; height: 32px; border-radius: 10px; background: var(--panel-2); display: grid; place-items: center; font-weight: 850; }
.position.top { background: #fff3c9; color: #9a6400; }
.trend-up { color: var(--success); font-weight: 800; }
.trend-flat { color: var(--muted); }
.score-formula { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }
.score-factor { padding: 15px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 14px; }
.score-factor strong { display: block; font-size: 14px; }
.score-factor span { color: var(--muted); font-size: 12px; }


.policy-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 15px; }
.policy-card { padding: 19px; }
.policy-card h3 { margin: 13px 0 6px; }
.policy-card p { margin: 0; color: var(--muted); font-size: 13px; }
.traffic-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 15px; }
.traffic { border-radius: 18px; padding: 19px; border: 1px solid; background: var(--panel); }
.traffic.green { border-color: #afd8b4; box-shadow: inset 0 4px 0 #3f9b50; }
.traffic.amber { border-color: #ead28b; box-shadow: inset 0 4px 0 #d39a16; }
.traffic.red { border-color: #e8b4bd; box-shadow: inset 0 4px 0 #d04058; }
.traffic h3 { margin: 9px 0 7px; }
.incident { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; padding: 20px; border-radius: 18px; background: linear-gradient(135deg, #8f2033, #c83952); color: #fff; box-shadow: 0 20px 50px rgba(151,31,53,.18); }
.incident h2 { margin: 0 0 6px; }
.incident p { margin: 0; color: rgba(255,255,255,.82); }

.form-layout { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(280px,.7fr); gap: 18px; }
.form-card { padding: 22px; }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 760; font-size: 12px; }
.field input, .field textarea, .field select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 12px;
  padding: 11px 12px;
  outline: none;
  transition: border .18s ease, box-shadow .18s ease;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: rgba(35,99,175,.6); box-shadow: 0 0 0 4px rgba(35,99,175,.08); }
.form-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 16px; }
.aside-stack { display: grid; gap: 15px; }
.aside-card { padding: 18px; border: 1px solid var(--line); background: var(--panel); border-radius: 18px; }
.aside-card h3 { margin: 0 0 8px; }
.aside-card p { margin: 0; color: var(--muted); font-size: 13px; }
.request-preview { white-space: pre-wrap; background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; padding: 13px; font-size: 12px; color: var(--muted); max-height: 280px; overflow: auto; }

.faq-list { display: grid; gap: 10px; }
details { border: 1px solid var(--line); background: var(--panel); border-radius: 15px; padding: 15px 17px; }
summary { cursor: pointer; font-weight: 780; display: flex; align-items: center; justify-content: space-between; gap: 12px; list-style: none; }
summary::-webkit-details-marker { display: none; }
details p { color: var(--muted); margin: 10px 0 0; }
.glossary-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
.glossary-item { padding: 15px; border: 1px solid var(--line); background: var(--panel); border-radius: 14px; }
.glossary-item strong { display: block; margin-bottom: 4px; }
.glossary-item span { color: var(--muted); font-size: 12px; }

.popover {
  position: fixed;
  z-index: 120;
  width: min(420px, calc(100vw - 24px));
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 12px;
  display: none;
}
.popover.open { display: block; animation: popIn .18s var(--ease); }
@keyframes popIn { from { opacity: 0; transform: translateY(-5px) scale(.98); } to { opacity: 1; transform: none; } }
.search-results { top: 63px; left: 50%; transform: translateX(-42%); }
.popover-head { display: flex; align-items: center; justify-content: space-between; padding: 6px 8px 10px; }
.result-item { width: 100%; border: 0; background: transparent; color: var(--text); border-radius: 12px; padding: 11px; display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 10px; cursor: pointer; text-align: left; }
.result-item:hover { background: var(--panel-2); }
.result-item strong { display: block; }
.result-item span { display: block; color: var(--muted); font-size: 11px; }

.modal-backdrop { position: fixed; inset: 0; z-index: 150; background: rgba(5,14,28,.55); backdrop-filter: blur(4px); display: none; align-items: center; justify-content: center; padding: 20px; }
.modal-backdrop.open { display: flex; }
.modal { width: min(840px, 100%); max-height: min(760px, 92vh); overflow: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow-lg); animation: modalIn .2s var(--ease); }
@keyframes modalIn { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }
.modal-head { position: sticky; top: 0; z-index: 2; background: var(--panel); border-bottom: 1px solid var(--line); padding: 17px 20px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.modal-body { padding: 20px; }
.modal-close { border: 0; background: var(--panel-2); color: var(--text); width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center; cursor: pointer; }

.toast { position: fixed; right: 22px; bottom: 22px; z-index: 180; background: var(--navy); color: #fff; border-radius: 13px; box-shadow: var(--shadow-lg); padding: 12px 15px; display: flex; align-items: center; gap: 9px; transform: translateY(30px); opacity: 0; pointer-events: none; transition: .22s var(--ease); }
.toast.show { transform: none; opacity: 1; }

.footer { margin-top: 28px; padding: 20px 2px 0; border-top: 1px solid var(--line); color: var(--muted); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 11px; }
.sample-label { display: inline-flex; align-items: center; gap: 6px; padding: 5px 8px; border-radius: 999px; background: var(--soft-amber); color: #855b00; border: 1px solid #e9d38f; font-size: 10px; font-weight: 820; }

@media (max-width: 1260px) {
  .quick-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .dashboard-grid { grid-template-columns: 1fr 1fr; }
  .dashboard-grid > :last-child { grid-column: 1 / -1; }
  .department-mini-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .tool-grid, .prompt-grid, .video-grid, .dept-grid, .course-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .model-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
}
@media (max-width: 980px) {
  .sidebar { transform: translateX(-102%); box-shadow: var(--shadow-lg); }
  .sidebar.open { transform: none; }
  .main { margin-left: 0; }
  .topbar { grid-template-columns: auto 1fr auto; justify-content: stretch; padding: 0 15px; gap: 10px; }
  .mobile-menu { display: grid; width: 40px; height: 40px; border: 1px solid var(--line); background: var(--panel); color: var(--text); border-radius: 12px; place-items: center; cursor: pointer; }
  .search-wrap { grid-column: 2; }
  .kbd, .avatar { display: none; }
  .content { padding: 18px 16px 42px; }
  .hero { grid-template-columns: 1fr; padding: 30px; }
  .hero-blueprint { right: -160px; }
  .tip-panel { width: min(100%, 520px); }
  .lifecycle, .traffic-grid, .policy-grid, .stepper { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .form-layout { grid-template-columns: 1fr; }
  .search-results { left: 12px; right: 12px; transform: none; width: auto; }
}
@media (max-width: 700px) {
  .topbar { padding: 0 9px; gap: 7px; }
  .top-actions { gap: 2px; }
  .icon-btn { width: 34px; height: 34px; }
  .mobile-menu { width: 34px; height: 34px; border-radius: 10px; }
  .search-box { height: 36px; border-radius: 11px; padding: 0 9px; }
  .top-actions .icon-btn:first-child { display: none; }
  .hero { padding: 25px 21px; min-height: 0; }
  .hero h1 { font-size: 43px; }
  .quick-grid, .dashboard-grid, .grid-2, .grid-3, .grid-4, .tool-grid, .prompt-grid, .video-grid, .dept-grid, .course-grid, .metric-grid, .lifecycle, .policy-grid, .traffic-grid, .stepper, .model-grid, .score-formula, .glossary-grid { grid-template-columns: 1fr; }
  .dashboard-grid > :last-child { grid-column: auto; }
  .department-mini-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .page-head { flex-direction: column; }
  .page-actions { width: 100%; }
  .tool-toolbar, .prompt-toolbar, .video-toolbar { grid-template-columns: 1fr; }
  .incident { grid-template-columns: 1fr; }
  .leaderboard-table { min-width: 680px; }
  .table-scroll { overflow-x: auto; }
  .topbar .search-box input::placeholder { color: transparent; }
  .hero-buttons .btn { flex: 1 1 160px; }
}