@property --spin { syntax: "<angle>"; inherits: false; initial-value: 0deg }

:root {
  --bg: #f6f7fb; --surface: #ffffff; --surface-2: #f9fafc; --surface-3: #f1f3f9;
  --ink: #0b1020; --ink-2: #2b3245; --muted: #5f6880; --faint: #8a93a8;
  --line: #e6e9f2; --line-2: #d5daea;
  --brand: #4338ca; --brand-2: #5b50f0; --brand-ink: #ffffff; --brand-soft: #eef0ff; --brand-glow: rgb(91 80 240 / .28);
  --cyan: #0891b2; --cyan-soft: #e3f7fb; --violet: #7c3aed;
  --grad: linear-gradient(120deg, #4338ca 0%, #6d4bf3 45%, #0ea5c6 100%);
  --grad-soft: linear-gradient(120deg, #eef0ff, #f3edff 50%, #e6f8fc);
  --saffron: #f59e0b; --saffron-soft: #fff6e2; --warn-ink: #8a5300;
  --ok: #0f9960; --ok-soft: #e4f6ee; --bad: #d03b3b; --bad-soft: #fdecec;
  --wa: #16a34a; --wa-soft: #e8f8ee; --wa-bubble: #dcf8c6;
  --code-bg: #f5f6fb; --code-ink: #2a2f6b;
  --shadow-sm: 0 1px 2px rgb(16 24 40 / .05);
  --shadow: 0 1px 2px rgb(16 24 40 / .04), 0 4px 14px -6px rgb(16 24 40 / .10);
  --shadow-lg: 0 1px 2px rgb(16 24 40 / .04), 0 24px 48px -20px rgb(40 36 120 / .24);
  --radius: 12px; --radius-sm: 8px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --f-display: "Inter Tight", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  color-scheme: light;
}

* { box-sizing: border-box }
[hidden] { display: none !important }
html { -webkit-text-size-adjust: 100% }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.55 var(--f-body); font-feature-settings: "cv11", "ss01", "ss03"; min-height: 100vh; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 650; margin: 0; line-height: 1.15; text-wrap: balance; letter-spacing: -.02em; color: var(--ink) }
p { margin: 0; text-wrap: pretty }
a { color: var(--brand); text-underline-offset: 3px }
img, svg { max-width: 100% }
::selection { background: var(--brand-soft); color: var(--brand) }
code, .mono { font-family: var(--f-mono); font-size: .86em }
:not(pre) > code { background: var(--code-bg); color: var(--code-ink); padding: .12em .42em; border-radius: 5px; border: 1px solid var(--line) }
.muted { color: var(--muted) } .small { font-size: .82rem }
.err { color: var(--bad); min-height: 1.2em; font-size: .84rem } .ok { color: var(--ok); min-height: 1.2em; font-size: .84rem }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap }
.tnum { font-variant-numeric: tabular-nums }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent }

.btn, button { position: relative; overflow: hidden; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 550 .86rem/1 var(--f-body); letter-spacing: -.005em; padding: 9px 14px; min-height: 36px; border-radius: var(--radius-sm); border: 1px solid transparent; background: var(--ink); color: #fff; cursor: pointer; text-decoration: none; white-space: nowrap; box-shadow: 0 1px 2px rgb(16 24 40 / .12), inset 0 1px 0 rgb(255 255 255 / .12); transition: transform .15s var(--ease), box-shadow .2s, background .2s, border-color .2s, color .2s }
.btn::after, button::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgb(255 255 255 / .28) 50%, transparent 70%); transform: translateX(-120%); transition: transform .6s var(--ease); pointer-events: none }
.btn:hover::after, button:hover::after { transform: translateX(120%) }
.btn:hover, button:hover { background: #1b2238; box-shadow: 0 6px 16px -6px rgb(16 24 40 / .4) }
.btn:active, button:active { transform: translateY(1px) scale(.99) }
.btn.primary, button.primary { background: var(--grad); background-size: 140% 100%; background-position: 0 0; border-color: transparent; box-shadow: 0 8px 22px -10px var(--brand-glow), inset 0 1px 0 rgb(255 255 255 / .2) }
.btn.primary:hover, button.primary:hover { background-position: 100% 0; box-shadow: 0 12px 28px -10px var(--brand-glow) }
.btn.ghost, button.ghost { background: var(--surface); color: var(--ink-2); border-color: var(--line-2); box-shadow: var(--shadow-sm) }
.btn.ghost::after, button.ghost::after { display: none }
.btn.ghost:hover, button.ghost:hover { background: var(--surface-2); border-color: color-mix(in srgb, var(--brand) 35%, var(--line-2)); color: var(--brand) }
.btn.wa, button.wa { background: var(--wa); color: #fff }
.btn.wa:hover, button.wa:hover { background: #12873d; box-shadow: 0 8px 18px -8px rgb(22 163 74 / .5) }
.btn.lg { padding: 12px 20px; min-height: 44px; font-size: .94rem; border-radius: 10px }
.btn.sm, button.sm { padding: 6px 10px; min-height: 30px; font-size: .8rem; border-radius: 7px }
button.danger { background: var(--bad); color: #fff }
button.danger:hover { background: #b02f2f }
button:disabled, .btn[aria-disabled="true"] { opacity: .45; cursor: not-allowed; box-shadow: none; pointer-events: none }
:is(button, .btn, a, input, textarea, select, summary):focus-visible { outline: 2px solid var(--brand-2); outline-offset: 2px }

input, textarea, select { font: inherit; font-size: .88rem; width: 100%; padding: 8px 11px; min-height: 36px; border: 1px solid var(--line-2); border-radius: var(--radius-sm); background: var(--surface); color: var(--ink); margin-top: 6px; box-shadow: var(--shadow-sm); transition: border-color .15s, box-shadow .15s }
input::placeholder, textarea::placeholder { color: var(--faint) }
input:hover, textarea:hover, select:hover { border-color: color-mix(in srgb, var(--brand) 25%, var(--line-2)) }
input:focus, textarea:focus, select:focus { border-color: var(--brand-2); box-shadow: 0 0 0 4px var(--brand-soft); outline: none }
input:disabled { background: var(--surface-3); color: var(--muted) }
label { display: block; font-weight: 550; font-size: .82rem; color: var(--ink-2) }
label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 450 }
label.check input { width: auto; min-height: 0; margin-top: 3px; accent-color: var(--brand); box-shadow: none }
fieldset { border: 0; padding: 0; margin: 0 }
.stack { display: grid; gap: 12px }
.row { display: flex; gap: 8px; align-items: center }
.row.wrap { flex-wrap: wrap }
.spacer { flex: 1 }

.switch { position: relative; display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-weight: 550 }
.switch input { appearance: none; width: 36px; height: 20px; min-height: 0; margin: 0; padding: 0; border-radius: 99px; background: var(--line-2); border: 0; position: relative; cursor: pointer; transition: background .2s; flex: none; box-shadow: inset 0 1px 2px rgb(16 24 40 / .12) }
.switch input::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgb(16 24 40 / .25); transition: transform .25s var(--ease) }
.switch input:checked { background: var(--grad) }
.switch input:checked::after { transform: translateX(16px) }

.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; color: var(--ink); font: 700 1.08rem var(--f-display); letter-spacing: -.025em }
.brand b { font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent }

.pill { display: inline-flex; align-items: center; gap: 6px; font: 600 .66rem/1 var(--f-body); text-transform: uppercase; letter-spacing: .06em; padding: 5px 9px; border-radius: 99px; background: var(--brand-soft); color: var(--brand); white-space: nowrap; border: 1px solid color-mix(in srgb, currentColor 14%, transparent) }
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor }
.pill.connected, .pill.ok, .pill.sent, .pill.delivered, .pill.read { background: var(--ok-soft); color: var(--ok) }
.pill.connected::before, .pill.ok::before { animation: ping 2s var(--ease) infinite }
.pill.banned, .pill.logged_out, .pill.bad, .pill.failed { background: var(--bad-soft); color: var(--bad) }
.pill.pending_qr, .pill.reconnecting, .pill.connecting, .pill.warn, .pill.queued, .pill.init { background: var(--saffron-soft); color: var(--warn-ink) }

.card { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: grid; gap: 12px; align-content: start; min-width: 0; box-shadow: var(--shadow); transition: box-shadow .25s, border-color .25s }
.card > header { display: flex; justify-content: space-between; align-items: center; gap: 10px }
.card h3 { font-size: .95rem; font-weight: 600; letter-spacing: -.01em }

.beam { position: relative; isolation: isolate }
.beam::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: conic-gradient(from var(--spin), transparent 0 60%, #6d4bf3 75%, #0ea5c6 85%, transparent 95%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; animation: spin 6s linear infinite; pointer-events: none; z-index: 1 }

[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0s) }
[data-reveal].in { opacity: 1; transform: none }

@keyframes spin { to { --spin: 360deg } }
@keyframes ping { 0% { box-shadow: 0 0 0 0 currentColor } 70%, 100% { box-shadow: 0 0 0 5px transparent } }
@keyframes rise { from { opacity: 0; transform: translateY(8px) } to { opacity: 1; transform: none } }
@keyframes shimmer { to { background-position: -200% 0 } }
.skeleton { background: linear-gradient(90deg, var(--surface-3) 25%, #fff 50%, var(--surface-3) 75%); background-size: 200% 100%; animation: shimmer 1.4s linear infinite; border-radius: 6px; color: transparent !important }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important } [data-reveal] { opacity: 1; transform: none } }