/* Rivtech panel — dark « glass » theme (served from 'self': the CSP forbids external styles and fonts). */
:root {
  color-scheme: dark;
  --bg: #0f1115; --surface: #181b21; --surface-2: #22262e; --glass: rgba(24, 27, 33, 0.55);
  --glass-strong: rgba(24, 27, 33, 0.85); --text: #e5e7eb; --heading: #ffffff; --muted: #9ca3af;
  --faint: #6b7280; --border: #2c313a; --border-soft: rgba(44, 49, 58, 0.7);
  --accent: #3b82f6; --accent-hover: #60a5fa; --accent-text: #ffffff; --accent-soft: rgba(59, 130, 246, 0.12);
  --accent-ring: rgba(59, 130, 246, 0.25); --violet-soft: rgba(139, 92, 246, 0.1);
  --danger: #f87171; --danger-strong: #dc2626; --ok: #4ade80; --warn-bg: rgba(234, 179, 8, 0.08);
  --warn-border: rgba(234, 179, 8, 0.45); --code-bg: #22262e;
  --radius: 14px; --radius-sm: 9px; --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --glow-blue: rgba(59, 130, 246, 0.22); --glow-violet: rgba(139, 92, 246, 0.16);
}
@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f4f6fa; --surface: #ffffff; --surface-2: #eef1f6; --glass: rgba(255, 255, 255, 0.75);
    --glass-strong: rgba(255, 255, 255, 0.95); --text: #1f2937; --heading: #0f172a; --muted: #5b6575;
    --faint: #8a93a3; --border: #d9dde4; --border-soft: rgba(217, 221, 228, 0.9);
    --accent: #2563eb; --accent-hover: #1d4ed8; --accent-soft: rgba(37, 99, 235, 0.08);
    --accent-ring: rgba(37, 99, 235, 0.2); --violet-soft: rgba(139, 92, 246, 0.06);
    --danger: #b42318; --danger-strong: #b42318; --ok: #1a7f37; --warn-bg: #fff6e0; --warn-border: #e8b84a;
    --code-bg: #eef1f5; --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
    --glow-blue: rgba(37, 99, 235, 0.10); --glow-violet: rgba(139, 92, 246, 0.07);
  }
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  font: 15px/1.55 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased;
}
/* Decorative glow behind every page. */
body::before, body::after {
  content: ""; position: fixed; z-index: -1; border-radius: 50%; filter: blur(60px); pointer-events: none;
}
body::before { top: -12%; left: 18%; width: 40vw; height: 40vw;
  background: radial-gradient(circle, var(--glow-blue) 0%, transparent 70%); }
body::after { bottom: -22%; right: 8%; width: 50vw; height: 50vw;
  background: radial-gradient(circle, var(--glow-violet) 0%, transparent 70%); }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }
h1, h2, h3 { color: var(--heading); letter-spacing: -0.01em; }
h1 { font-size: 26px; font-weight: 750; margin: 0 0 8px; }
h2 { font-size: 17px; font-weight: 650; margin: 0 0 12px; }
h3 { font-size: 15px; font-weight: 650; }
code, pre, textarea.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 5px; }
pre { background: var(--code-bg); padding: 10px 12px; border-radius: var(--radius-sm); overflow-x: auto;
  white-space: pre-wrap; border: 1px solid var(--border-soft); }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 50; display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  justify-content: space-between; padding: 0 24px; min-height: 56px;
  background: color-mix(in srgb, var(--bg) 70%, transparent); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}
.topbar nav { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; font-size: 14px; }
.topbar nav a { color: var(--muted); }
.topbar nav a:hover { color: var(--heading); text-decoration: none; }
.topbar nav a.account { border-left: 1px solid var(--border); padding-left: 22px; }
.topbar button.link { color: var(--muted); text-decoration: none; }
.topbar button.link:hover { color: var(--heading); }
.brand { font-weight: 700; font-size: 17px; color: var(--heading); letter-spacing: -0.01em; }
.brand:hover { color: var(--heading); text-decoration: none; }
.brand span { color: var(--faint); font-weight: 400; }

main { width: 100%; max-width: 1180px; margin: 0 auto; padding: 28px 24px 48px; flex: 1; }
main.wide { max-width: 1180px; }

/* Cards */
.card {
  background: var(--glass); backdrop-filter: blur(16px); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 20px 22px; margin-bottom: 18px; box-shadow: var(--shadow);
}
.narrow { max-width: 460px; margin: 48px auto; }
.heading { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }

/* Forms */
label { display: block; margin: 12px 0; font-weight: 500; font-size: 14px; color: var(--text); }
label.check { font-weight: 400; display: flex; gap: 8px; align-items: center; margin: 6px 0; }
fieldset { border: 1px solid var(--border-soft); border-radius: var(--radius-sm); padding: 10px 14px; margin: 12px 0; }
legend { padding: 0 6px; color: var(--muted); font-size: 13px; font-weight: 600; }
input, select, textarea {
  display: block; width: 100%; margin-top: 6px; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--glass); color: var(--heading); font: inherit; outline: none;
  backdrop-filter: blur(10px); transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
input::placeholder, textarea::placeholder { color: var(--faint); }
input:focus, select:focus, textarea:focus {
  background: var(--glass-strong); border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring);
}
input[type=checkbox], input[type=radio] {
  display: inline; width: 16px; height: 16px; margin: 0; accent-color: var(--accent); box-shadow: none;
}
textarea.code { min-height: 420px; }
.hint { display: block; margin-top: 6px; font-size: 12.5px; font-weight: 400; color: var(--faint); }

/* Buttons */
button, .button {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 16px; border: 0;
  border-radius: var(--radius-sm); background: var(--accent); color: var(--accent-text); font: inherit;
  font-weight: 600; font-size: 14px; cursor: pointer; text-decoration: none;
  box-shadow: 0 0 15px var(--accent-ring); transition: background 0.15s ease, box-shadow 0.15s ease;
}
button:hover, .button:hover { background: var(--accent-hover); color: var(--accent-text); text-decoration: none; }
button:focus-visible, .button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.secondary, .button.secondary {
  background: transparent; color: var(--text); border: 1px solid var(--border); box-shadow: none;
}
button.secondary:hover, .button.secondary:hover { background: var(--surface-2); color: var(--heading); }
button.danger { background: var(--danger-strong); color: #fff; box-shadow: none; }
button.link { background: none; color: var(--accent); padding: 0; box-shadow: none; font-weight: 400; }
button.ghost, .button.ghost { background: none; box-shadow: none; color: var(--muted); padding: 9px 4px; }
button.ghost:hover, .button.ghost:hover { color: var(--heading); background: none; }
form.inline { display: inline; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; align-items: center; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.03em; }
tbody tr:hover { background: var(--accent-soft); }
.table-wrap { overflow-x: auto; }

/* Badges and messages */
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; border: 1px solid var(--border);
  color: var(--muted); }
.badge-active { color: var(--ok); border-color: var(--ok); }
.badge-suspended { color: var(--danger); border-color: var(--danger); }
.badge-inactive { color: var(--muted); }
.badge.ok { color: var(--ok); border-color: var(--ok); }
.badge.warn { color: var(--danger); border-color: var(--danger); background: transparent; }
.badge.danger { color: #fff; background: var(--danger-strong); border-color: var(--danger-strong); }
.errors { color: var(--danger); border: 1px solid var(--danger); background: rgba(248, 113, 113, 0.06);
  border-radius: var(--radius-sm); padding: 10px 14px; margin: 10px 0; }
.errors ul, .warn ul { margin: 0; padding-left: 18px; }
.warn { background: var(--warn-bg); border: 1px solid var(--warn-border); border-radius: var(--radius-sm);
  padding: 10px 14px; margin: 10px 0; }
.flash { border: 1px solid var(--border-soft); border-left: 4px solid var(--ok); background: var(--glass);
  border-radius: var(--radius-sm); padding: 10px 14px; margin: 0 0 16px; }
.muted { color: var(--muted); }

/* Layout helpers */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin: 10px 0 20px; padding: 4px; background: var(--glass);
  border: 1px solid var(--border-soft); border-radius: 12px; }
.tabs a { color: var(--muted); padding: 6px 12px; border-radius: 8px; font-size: 14px; }
.tabs a:hover { color: var(--heading); background: var(--surface-2); text-decoration: none; }
.tabs a.current { color: var(--heading); background: var(--surface-2); font-weight: 600; }

/* Page header (hero) and numbered sections — S11 redesign of the creation form */
.hero { text-align: center; margin: 12px auto 30px; max-width: 640px; }
.hero h1 { font-size: clamp(26px, 4vw, 36px); font-weight: 800; margin: 0; }
.hero p { margin: 10px auto 0; color: var(--muted); }
.hero-icon { display: inline-flex; padding: 9px; margin-bottom: 14px; border-radius: 12px; color: var(--accent);
  background: var(--accent-soft); border: 1px solid var(--accent-ring); }
.hero-icon svg { width: 24px; height: 24px; }
.panel-form { padding: 0; overflow: hidden; max-width: 860px; margin: 0 auto 24px; }
.panel-form .sections { padding: 30px clamp(18px, 4vw, 40px); }
.panel-form .section + .section { margin-top: 30px; padding-top: 30px; border-top: 1px solid transparent;
  border-image: linear-gradient(to right, transparent, var(--border), transparent) 1; }
.section h2 { display: flex; align-items: center; gap: 10px; }
.step { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 6px;
  background: var(--surface); border: 1px solid var(--border); font-size: 12px; font-weight: 700; color: var(--muted); }
.section > p.muted { margin: -4px 0 14px; font-size: 13.5px; }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0 18px; }
.panel-footer { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 40px); background: var(--glass-strong); border-top: 1px solid var(--border-soft); }
.prefix-input { display: flex; align-items: stretch; margin-top: 6px; }
.prefix-input input { margin-top: 0; border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.prefix-input .suffix { display: flex; align-items: center; padding: 0 12px; font-size: 13.5px; color: var(--muted);
  border: 1px solid var(--border); border-left: 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--surface); white-space: nowrap; }

/* Option cards (radio or checkbox) */
.options { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.options-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
label.option { display: flex; gap: 12px; align-items: flex-start; margin: 0; padding: 14px 16px; cursor: pointer;
  border: 1px solid var(--border); border-radius: 12px; background: var(--glass);
  transition: background 0.15s ease, border-color 0.15s ease; }
label.option:hover { background: var(--surface); }
label.option:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
label.option:has(input:focus-visible) { box-shadow: 0 0 0 3px var(--accent-ring); }
label.option input { margin-top: 3px; flex: none; }
.option-title { display: block; font-weight: 600; font-size: 14px; color: var(--heading); }
.option-text { display: block; margin-top: 3px; font-size: 12.5px; font-weight: 400; color: var(--muted); }

/* Existing blocks */
.qr svg { width: 220px; height: 220px; background: #fff; border-radius: 8px; }
.codes { columns: 2; }
.secret-once { font-size: 16px; word-break: break-all; }
.metric { font-size: 28px; font-weight: 750; color: var(--heading); }
.diff-add { color: var(--ok); } .diff-del { color: var(--danger); }
.console { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 18px; }
@media (max-width: 800px) { .console { grid-template-columns: 1fr; } main { padding: 20px 16px 40px; }
  .topbar { padding: 8px 16px; } .topbar nav a.account { border-left: 0; padding-left: 0; } }
.chat { min-height: 360px; max-height: 60vh; overflow-y: auto; }
.msg { margin: 8px 0; padding: 9px 12px; border-radius: 12px; max-width: 90%; white-space: pre-wrap; }
.msg.user { background: var(--accent-soft); border: 1px solid var(--accent-ring); margin-left: auto; }
.msg.agent { border: 1px solid var(--border-soft); background: var(--glass); }
.tool { border-left: 3px solid var(--accent); padding-left: 10px; margin: 8px 0; }
details summary { cursor: pointer; color: var(--muted); }
details summary:hover { color: var(--heading); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
#composer input { flex: 1; min-width: 200px; margin-top: 0; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
.section-gap { margin-top: 12px; }