:root {
  color-scheme: dark;
  --bg-deep: #0a1016;
  --bg-raised: #101922;
  --accent: #55d6a5;
  --accent-hover: #39bd8b;
  --ink: #eef5f3;
  --ink-dim: #97a8ad;
  --glass: rgba(17, 27, 36, 0.88);
  --glass-border: #253541;
  --danger: #e26069;
  --ok: #55d6a5;
  --warn: #efbd62;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --surface-shadow: 0 20px 55px rgba(0, 0, 0, 0.24);
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(ellipse at 50% -18%, rgba(39, 105, 88, 0.2), transparent 58%),
    radial-gradient(ellipse at 100% 100%, rgba(33, 75, 85, 0.12), transparent 40%),
    var(--bg-deep);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.glass {
  background: linear-gradient(145deg, rgba(19, 31, 41, 0.96), rgba(13, 22, 30, 0.96));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--surface-shadow);
  position: relative;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-weight: 750;
  letter-spacing: -0.04em;
}

.btn {
  font-family: inherit;
  font-weight: 650;
  font-size: 14px;
  text-decoration: none;
  border: 1px solid #2a3a45;
  color: var(--ink);
  background: #17232d;
  padding: 11px 18px;
  border-radius: 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: #1d2c37;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
}

.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #092118; }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #c84c57; border-color: #c84c57; }
.btn-ok { background: var(--ok); border-color: var(--ok); color: #092118; }
.btn-ok:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-warn { background: #5a4524; border-color: #735a30; color: #ffdfa0; }
.btn-warn:hover { background: #6b522b; border-color: #8a6a34; }
.btn-ghost { background: transparent; }
.btn:disabled { opacity: 0.48; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-sm { padding: 8px 12px; font-size: 13px; }

a { color: var(--accent); }
.muted { color: var(--ink-dim); }

input {
  font: inherit;
  color: var(--ink);
  background: #0d161e;
  border-color: #2a3a45;
}

input:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(85, 214, 165, 0.42);
  outline-offset: 2px;
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #344751; border-radius: 10px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}