:root {
  color-scheme: light dark;
  --bg: #f8fafc;
  --fg: #151821;
  --muted: #667085;
  --panel: rgba(255,255,255,.66);
  --glass: rgba(255,255,255,.44);
  --line: rgba(21,24,33,.12);
  --accent: #1463ff;
  --accent-soft: rgba(20,99,255,.14);
  --warm-soft: rgba(255,183,77,.18);
  --panel-art: none;
  --accent-ink: #fff;
  --shadow: 0 24px 80px rgba(15, 23, 42, .13);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f8fafc;
  --fg: #151821;
  --muted: #667085;
  --panel: rgba(255,255,255,.66);
  --glass: rgba(255,255,255,.44);
  --line: rgba(21,24,33,.12);
  --accent-ink: #fff;
  --shadow: 0 24px 80px rgba(15, 23, 42, .13);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #10141e;
  --fg: #f7f9fc;
  --muted: #a9b2c3;
  --panel: rgba(19,24,35,.7);
  --glass: rgba(255,255,255,.08);
  --line: rgba(255,255,255,.14);
  --accent-ink: #07111f;
  --shadow: 0 24px 80px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  font: 15px/1.55 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--fg);
  background:
    radial-gradient(circle at 16% 12%, var(--accent-soft), transparent 30%),
    radial-gradient(circle at 88% 18%, var(--warm-soft), transparent 26%),
    radial-gradient(circle at 52% 92%, rgba(115,210,255,.16), transparent 28%),
    linear-gradient(145deg, #fbfcff 0%, var(--bg) 52%, #eef3f8 100%);
}

.wrap {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.panel {
  width: min(100%, 520px);
  padding: clamp(22px, 4vw, 34px);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.58);
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.58), rgba(255,255,255,.24)),
    radial-gradient(circle at 12% 0%, var(--accent-soft), transparent 34%),
    radial-gradient(circle at 100% 8%, var(--warm-soft), transparent 30%),
    var(--panel);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.72),
    inset 0 -1px 0 rgba(255,255,255,.18),
    0 24px 80px rgba(15, 23, 42, .13);
  backdrop-filter: blur(30px) saturate(1.55);
  -webkit-backdrop-filter: blur(30px) saturate(1.55);
}

.panel::before {
  content: "";
  position: absolute;
  inset: -32%;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 22%, rgba(255,255,255,.5), transparent 24%),
    radial-gradient(circle at 78% 28%, var(--accent-soft), transparent 28%),
    radial-gradient(circle at 48% 78%, var(--warm-soft), transparent 26%);
  filter: blur(26px);
  mix-blend-mode: screen;
  opacity: .72;
  transform: translate3d(8%, -6%, 0) rotate(0deg);
  animation: panelGlow 22s ease-in-out infinite;
}

.panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 52%;
  height: 46%;
  pointer-events: none;
  background: var(--panel-art) no-repeat top right / min(86%, 220px) auto;
  opacity: .48;
  -webkit-mask-image: radial-gradient(ellipse at 100% 0%, #000 0 36%, rgba(0,0,0,.5) 62%, transparent 88%);
  mask-image: radial-gradient(ellipse at 100% 0%, #000 0 36%, rgba(0,0,0,.5) 62%, transparent 88%);
  filter: drop-shadow(0 14px 28px var(--accent-soft));
  z-index: 0;
}

.panel > * {
  position: relative;
  z-index: 2;
}

.code-mark {
  margin: 0 0 10px;
  font-size: clamp(4.2rem, 12vw, 7.4rem);
  line-height: .82;
  font-weight: 900;
  letter-spacing: 0;
  color: var(--accent);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.msg {
  max-width: 36rem;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: clamp(.92rem, 1.5vw, 1rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
  order: 4;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--fg);
  background: transparent;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.btn:hover { border-color: rgba(20,99,255,.5); }

.primary {
  border-color: var(--accent);
  color: var(--accent-ink);
  background: var(--accent);
}

.details {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 8px 16px;
  margin: 18px 0 0;
  padding: 14px;
  border: 1px solid rgba(255,255,255,.42);
  border-radius: 14px;
  background: transparent;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.28);
  order: 3;
  font-size: .92rem;
}

.details dt {
  color: var(--muted);
  white-space: nowrap;
}

.details dd {
  margin: 0;
  min-width: 0;
  overflow-wrap: anywhere;
  font-weight: 650;
}

.hint {
  display: none;
}

.theme-toggle {
  position: fixed;
  z-index: 10;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 999px;
  color: var(--fg);
  background: rgba(255,255,255,.5);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.7),
    0 12px 34px rgba(15,23,42,.16);
  backdrop-filter: blur(22px) saturate(1.45);
  -webkit-backdrop-filter: blur(22px) saturate(1.45);
  cursor: pointer;
}

.theme-toggle::before {
  content: "\263c";
  font-size: 1.15rem;
  line-height: 1;
}

html[data-theme="dark"] .theme-toggle {
  border-color: rgba(255,255,255,.16);
  background: rgba(19,24,35,.62);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.16),
    0 12px 34px rgba(0,0,0,.34);
}

html[data-theme="dark"] .theme-toggle::before {
  content: "\263e";
}

html[data-tone="red"] {
  --accent: #e5484d;
  --accent-soft: rgba(229,72,77,.18);
  --warm-soft: rgba(255,180,180,.22);
}

html[data-tone="orange"] {
  --accent: #f76b15;
  --accent-soft: rgba(247,107,21,.18);
  --warm-soft: rgba(255,196,120,.24);
}

html[data-tone="amber"] {
  --accent: #b7791f;
  --accent-soft: rgba(183,121,31,.18);
  --warm-soft: rgba(255,214,153,.28);
}

html[data-tone="blue"] {
  --accent: #1463ff;
  --accent-soft: rgba(20,99,255,.16);
  --warm-soft: rgba(115,210,255,.18);
}

html[data-tone="violet"] {
  --accent: #7c3aed;
  --accent-soft: rgba(124,58,237,.16);
  --warm-soft: rgba(196,181,253,.2);
}

html[data-tone="slate"] {
  --accent: #475569;
  --accent-soft: rgba(71,85,105,.16);
  --warm-soft: rgba(148,163,184,.18);
}

html[data-art="search"] {
  --panel-art: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 160 160' fill='none' stroke='%231463ff' stroke-width='8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='66' cy='66' r='38'/%3E%3Cpath d='M94 94l35 35M48 65h36'/%3E%3C/svg%3E");
}

html[data-art="lock"] {
  --panel-art: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 160 160' fill='none' stroke='%231463ff' stroke-width='8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='38' y='68' width='84' height='62' rx='14'/%3E%3Cpath d='M56 68V52a24 24 0 0148 0v16M80 94v15'/%3E%3C/svg%3E");
}

html[data-art="shield"] {
  --panel-art: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 160 160' fill='none' stroke='%231463ff' stroke-width='8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M80 24l48 18v34c0 31-20 50-48 62-28-12-48-31-48-62V42l48-18z'/%3E%3Cpath d='M61 80l38 0M80 61l0 38'/%3E%3C/svg%3E");
}

html[data-art="clock"] {
  --panel-art: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 160 160' fill='none' stroke='%231463ff' stroke-width='8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='80' cy='82' r='50'/%3E%3Cpath d='M80 52v34l24 14M56 22h48'/%3E%3C/svg%3E");
}

html[data-art="server"] {
  --panel-art: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 160 160' fill='none' stroke='%231463ff' stroke-width='8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='34' y='34' width='92' height='34' rx='10'/%3E%3Crect x='34' y='92' width='92' height='34' rx='10'/%3E%3Cpath d='M54 51h2M54 109h2M82 68v24'/%3E%3C/svg%3E");
}

html[data-art="gateway"] {
  --panel-art: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 160 160' fill='none' stroke='%231463ff' stroke-width='8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='42' cy='80' r='18'/%3E%3Ccircle cx='118' cy='52' r='18'/%3E%3Ccircle cx='118' cy='108' r='18'/%3E%3Cpath d='M60 76l40-18M60 84l40 18'/%3E%3C/svg%3E");
}

html[data-art="storage"] {
  --panel-art: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 160 160' fill='none' stroke='%231463ff' stroke-width='8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cellipse cx='80' cy='42' rx='44' ry='18'/%3E%3Cpath d='M36 42v62c0 10 20 18 44 18s44-8 44-18V42M36 74c0 10 20 18 44 18s44-8 44-18'/%3E%3C/svg%3E");
}

html[data-art="ssl"] {
  --panel-art: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 160 160' fill='none' stroke='%231463ff' stroke-width='8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M48 24h50l22 22v84H48zM96 24v26h24'/%3E%3Cpath d='M70 84l20 20M90 84l-20 20'/%3E%3C/svg%3E");
}

@media (max-width: 600px) {
  body {
    font-size: 13px;
    line-height: 1.35;
    overflow-x: hidden;
  }

  .wrap {
    align-items: center;
    padding: 18px;
  }

  .panel {
    width: min(100%, 430px);
    min-height: auto;
    padding: 14px;
    border-radius: 20px;
    border-color: rgba(255,255,255,.55);
    box-shadow:
      inset 0 1px 0 rgba(255,255,255,.58),
      inset 0 -1px 0 rgba(255,255,255,.14),
      0 14px 42px rgba(15, 23, 42, .14);
  }

  .panel::after {
    width: 58%;
    height: 34%;
    background: var(--panel-art) no-repeat top right / min(90%, 150px) auto;
    opacity: .36;
  }

  .code-mark {
    margin-bottom: 4px;
    font-size: clamp(3.4rem, 22vw, 5.34rem);
  }

  .eyebrow {
    margin-bottom: 5px;
    font-size: .68rem;
  }

  h1 {
    font-size: clamp(1.15rem, 6vw, 1.7rem);
  }

  .msg {
    margin-top: 7px;
    font-size: .77rem;
    line-height: 1.4;
  }

  .actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px;
    margin-top: 12px;
  }

  .btn {
    min-height: 31px;
    padding: 0 9px;
    font-size: .83rem;
  }

  .details {
    grid-template-columns: 4.8rem minmax(0, 1fr);
    gap: 4px 7px;
    margin-top: 12px;
    padding: 11px;
    border-radius: 18px;
    font-size: .7rem;
    line-height: 1.22;
  }

  .details dt {
    white-space: nowrap;
    opacity: .82;
  }

  .details dd {
    font-weight: 600;
    color: var(--fg);
  }

  .theme-toggle {
    width: 38px;
    height: 38px;
  }

}

@media (max-width: 380px), (max-height: 700px) {
  .wrap { padding: 10px; }

  .panel {
    width: min(100%, 390px);
    padding: 10px;
    border-radius: 18px;
  }

  .panel::after {
    width: 56%;
    height: 30%;
    background: var(--panel-art) no-repeat top right / min(92%, 120px) auto;
    opacity: .32;
  }

  .code-mark {
    margin-bottom: 4px;
    font-size: clamp(2.85rem, 20vw, 4.23rem);
  }

  .eyebrow { display: none; }

  h1 { font-size: 1.18rem; }

  .msg {
    margin-top: 5px;
    font-size: .7rem;
    line-height: 1.32;
  }

  .actions {
    gap: 5px;
    margin-top: 9px;
  }

  .btn {
    min-height: 28px;
    font-size: .74rem;
  }

  .details {
    grid-template-columns: 4.4rem minmax(0, 1fr);
    gap: 3px 5px;
    margin-top: 9px;
    padding-top: 8px;
    font-size: .64rem;
  }

}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #10141e;
    --fg: #f7f9fc;
    --muted: #a9b2c3;
    --panel: rgba(19,24,35,.7);
    --glass: rgba(255,255,255,.08);
    --line: rgba(255,255,255,.14);
    --accent: #7aa2ff;
    --accent-soft: rgba(122,162,255,.2);
    --warm-soft: rgba(255,202,122,.13);
    --accent-ink: #07111f;
    --shadow: 0 24px 80px rgba(0,0,0,.35);
  }

  :root:not([data-theme="light"]) body {
    background:
      radial-gradient(circle at 18% 18%, rgba(122,162,255,.2), transparent 28%),
      radial-gradient(circle at 86% 18%, rgba(255,202,122,.13), transparent 24%),
      radial-gradient(circle at 56% 92%, rgba(115,210,255,.1), transparent 28%),
      linear-gradient(135deg, #0d111a 0%, var(--bg) 55%, #151b26 100%);
  }

  :root:not([data-theme="light"]) .panel {
    border-color: rgba(255,255,255,.16);
    background:
      linear-gradient(145deg, rgba(20,25,36,.76), rgba(20,25,36,.5)),
      radial-gradient(circle at 12% 0%, var(--accent-soft), transparent 34%),
      radial-gradient(circle at 100% 8%, var(--warm-soft), transparent 30%),
      var(--panel);
    box-shadow:
      inset 0 1px 0 rgba(255,255,255,.16),
      inset 0 -1px 0 rgba(255,255,255,.06),
      0 24px 80px rgba(0,0,0,.36);
  }

  :root:not([data-theme="light"]) .panel::before {
    background:
      radial-gradient(circle at 18% 22%, rgba(255,255,255,.12), transparent 24%),
      radial-gradient(circle at 78% 28%, var(--accent-soft), transparent 28%),
      radial-gradient(circle at 48% 78%, var(--warm-soft), transparent 26%);
  }

  :root:not([data-theme="light"]) .details {
    background: transparent;
  }
}

html[data-theme="dark"] body {
  background:
    radial-gradient(circle at 18% 18%, rgba(122,162,255,.2), transparent 28%),
    radial-gradient(circle at 86% 18%, rgba(255,202,122,.13), transparent 24%),
    radial-gradient(circle at 56% 92%, rgba(115,210,255,.1), transparent 28%),
    linear-gradient(135deg, #0d111a 0%, var(--bg) 55%, #151b26 100%);
}

html[data-theme="dark"] .panel {
  border-color: rgba(255,255,255,.16);
  background:
    linear-gradient(145deg, rgba(20,25,36,.76), rgba(20,25,36,.5)),
    radial-gradient(circle at 12% 0%, var(--accent-soft), transparent 34%),
    radial-gradient(circle at 100% 8%, var(--warm-soft), transparent 30%),
    var(--panel);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.16),
    inset 0 -1px 0 rgba(255,255,255,.06),
    0 24px 80px rgba(0,0,0,.36);
}

html[data-theme="dark"] .panel::before {
  background:
    radial-gradient(circle at 18% 22%, rgba(255,255,255,.12), transparent 24%),
    radial-gradient(circle at 78% 28%, var(--accent-soft), transparent 28%),
    radial-gradient(circle at 48% 78%, var(--warm-soft), transparent 26%);
}

@keyframes panelGlow {
  0%, 100% { transform: translate3d(8%, -6%, 0) rotate(0deg); }
  50% { transform: translate3d(-8%, 8%, 0) rotate(6deg); }
}

@media (prefers-reduced-motion: reduce) {
  .panel::before { animation: none; }
}