:root {
  color-scheme: dark;
  --bg: #07090d;
  --surface: #0e1118;
  --raised: #151923;
  --border: #252b38;
  --text: #f4f7fb;
  --muted: #9ca6b5;
  --primary: #8b5cf6;
  --accent: #22d3ee;
  --success: #34d399;
  --danger: #fb7185;
  --shadow: 0 20px 70px rgba(0, 0, 0, .35);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--bg); }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); line-height: 1.5; }
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .32;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 44px 44px; mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 72%);
}
body::after {
  content: ""; position: fixed; width: 520px; height: 520px; left: 50%; top: -330px; transform: translateX(-50%);
  border-radius: 50%; background: color-mix(in srgb, var(--primary) 22%, transparent); filter: blur(90px); pointer-events: none;
}
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, a, input[type="file"], input[type="color"] { touch-action: manipulation; }
button:not(:disabled), a { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.skip-link { position: fixed; z-index: 100; left: 14px; top: 10px; transform: translateY(-160%); border-radius: 9px; background: var(--text); color: var(--bg); padding: 10px 14px; font-weight: 700; text-decoration: none; transition: transform .18s ease; }
.skip-link:focus { transform: translateY(0); }

.shell { position: relative; width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 32px 0 64px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 36px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand img { width: 42px; height: 42px; border-radius: 10px; box-shadow: 0 0 32px rgba(139,92,246,.2); }
.brand strong { display: block; font-size: 15px; letter-spacing: .04em; }
.brand span { color: var(--muted); font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; }
.session { display: flex; min-height: 44px; align-items: center; gap: 9px; border: 1px solid var(--border); border-radius: 11px; background: rgba(14,17,24,.82); padding: 0 14px; color: var(--muted); font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px rgba(52,211,153,.1); }

.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .65fr); gap: 28px; align-items: end; margin-bottom: 30px; }
.eyebrow { margin: 0 0 12px; color: var(--accent); font: 600 12px ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .16em; text-transform: uppercase; }
h1 { max-width: 780px; margin: 0; font-size: clamp(36px, 6vw, 68px); line-height: 1.02; letter-spacing: -.055em; }
.lead { max-width: 670px; margin: 18px 0 0; color: var(--muted); font-size: 17px; }
.hero-note { border-left: 1px solid var(--border); padding-left: 24px; color: var(--muted); font-size: 14px; }
.hero-note strong { display: block; margin-bottom: 8px; color: var(--text); }

.layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 22px; align-items: start; }
.rail { position: sticky; top: 20px; border: 1px solid var(--border); border-radius: 16px; background: rgba(14,17,24,.8); padding: 10px; backdrop-filter: blur(18px); }
.step { display: grid; grid-template-columns: 32px 1fr; gap: 10px; align-items: center; min-height: 58px; border-radius: 10px; padding: 8px; color: var(--muted); font-size: 13px; }
.step b { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid var(--border); border-radius: 9px; color: var(--text); font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; }
.step.active { background: var(--raised); color: var(--text); }
.step.active b { border-color: color-mix(in srgb, var(--primary) 60%, var(--border)); background: rgba(139,92,246,.12); color: #c4b5fd; }

.stack { display: grid; gap: 18px; }
.card { border: 1px solid var(--border); border-radius: 18px; background: rgba(14,17,24,.86); box-shadow: var(--shadow); overflow: hidden; }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--border); padding: 22px 24px; }
.card-head h2, .card-head h3 { margin: 0; font-size: 18px; letter-spacing: -.02em; }
.card-head p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.number { flex: 0 0 auto; color: var(--muted); font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; }
.card-body { padding: 24px; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.field { display: grid; gap: 7px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label, .label { font-size: 13px; font-weight: 650; }
.hint { color: var(--muted); font-size: 12px; }
input, select, textarea {
  width: 100%; min-height: 46px; border: 1px solid var(--border); border-radius: 10px; background: #0a0d12; color: var(--text); padding: 10px 12px;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
textarea { min-height: 100px; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: #394152; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(139,92,246,.13); outline: none; }
input[type="color"] { padding: 5px; }
input[type="file"] { padding: 9px; color: var(--muted); }
.secret { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.notice { display: flex; gap: 11px; border: 1px solid rgba(34,211,238,.23); border-radius: 12px; background: rgba(34,211,238,.06); padding: 14px; color: #c8f7ff; font-size: 13px; }
.notice::before { content: "i"; display: grid; place-items: center; flex: 0 0 22px; width: 22px; height: 22px; border: 1px solid rgba(34,211,238,.35); border-radius: 50%; font: 700 12px ui-monospace, monospace; }
.actions { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 22px 24px; border-top: 1px solid var(--border); background: rgba(7,9,13,.45); }
.actions p { margin: 0; color: var(--muted); font-size: 12px; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 9px; border: 1px solid transparent; border-radius: 10px; padding: 0 18px; background: var(--primary); color: white; font-weight: 700; text-decoration: none; transition: transform .2s ease, opacity .2s ease, border-color .2s ease, background .2s ease; }
.button:hover { transform: translateY(-1px); }
.button:disabled { cursor: not-allowed; opacity: .5; transform: none; }
.button.secondary { border-color: var(--border); background: var(--raised); color: var(--text); }
.button.danger { border-color: rgba(251,113,133,.3); background: rgba(251,113,133,.09); color: #fecdd3; }
.status { display: none; margin-bottom: 18px; border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; font-size: 13px; }
.status.show { display: block; }
.status.error { border-color: rgba(251,113,133,.35); background: rgba(251,113,133,.08); color: #fecdd3; }
.status.success { border-color: rgba(52,211,153,.3); background: rgba(52,211,153,.07); color: #bbf7d0; }
.result { display: none; padding: 28px; }
.result.show { display: block; }
.result h2 { margin: 0; font-size: 26px; }
.result p { color: var(--muted); }
.result-link { display: block; overflow-wrap: anywhere; margin: 18px 0; border: 1px solid var(--border); border-radius: 10px; background: #090c11; padding: 13px; color: #c4b5fd; font: 12px ui-monospace, monospace; }

.control-header { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: end; margin: 18px 0 28px; }
.control-header h1 { font-size: clamp(34px, 5vw, 58px); }
.client-mark { width: 74px; height: 74px; border: 1px solid var(--border); border-radius: 20px; background: var(--raised); object-fit: cover; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat { border: 1px solid var(--border); border-radius: 14px; background: rgba(14,17,24,.82); padding: 17px; }
.stat span { display: block; color: var(--muted); font-size: 12px; }
.stat strong { display: block; margin-top: 8px; font-size: 22px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; min-width: 600px; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--border); padding: 14px 18px; text-align: left; font-size: 13px; }
th { color: var(--muted); font-weight: 600; }
td code { font: 12px ui-monospace, monospace; color: #c4b5fd; }
.badge { display: inline-flex; align-items: center; min-height: 26px; border: 1px solid var(--border); border-radius: 999px; padding: 0 9px; color: var(--muted); font-size: 11px; }
.badge.live { border-color: rgba(52,211,153,.28); background: rgba(52,211,153,.07); color: #bbf7d0; }
.empty { padding: 28px; color: var(--muted); text-align: center; }
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; }
.audit { display: grid; gap: 0; }
.audit-item { display: grid; grid-template-columns: 138px 1fr; gap: 14px; border-bottom: 1px solid var(--border); padding: 14px 18px; }
.audit-item time { color: var(--muted); font: 11px ui-monospace, monospace; }
.audit-item strong { display: block; font-size: 13px; }
.audit-item p { margin: 3px 0 0; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }

@media (max-width: 900px) {
  .hero, .layout, .split { grid-template-columns: 1fr; }
  .hero-note { border-left: 0; border-top: 1px solid var(--border); padding: 18px 0 0; }
  .rail { position: static; display: grid; grid-template-columns: repeat(4, 1fr); overflow-x: auto; }
  .step { grid-template-columns: 32px; min-width: 48px; justify-content: center; }
  .step span { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .shell { width: min(100% - 22px, 1180px); padding-top: 18px; }
  .topbar { align-items: flex-start; }
  .session { max-width: 150px; }
  .hero { margin-top: 42px; }
  .grid, .stats { grid-template-columns: 1fr; }
  .card-head, .card-body, .actions { padding-left: 17px; padding-right: 17px; }
  .actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .control-header { grid-template-columns: 1fr; }
  .client-mark { display: none; }
  .audit-item { grid-template-columns: 1fr; gap: 5px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}