:root {
  color-scheme: light dark;
  --bg: #f3f6f7;
  --surface: #ffffff;
  --surface2: #e8eef0;
  --ink: #0f2028;
  --ink2: #465a63;
  --ink3: #566a73;
  --line: #d2dce0;
  --water: #0a6fbd;
  --on-water: #ffffff;
  --creatine: #bf4f0b;
  --danger: #c0311e;
  --on-danger: #ffffff;
  --danger-soft: #fbe0db;
  --focus: #0a6fbd;
  --display: "Bricolage Grotesque", "SF Pro Rounded", system-ui, sans-serif;
  --text: Figtree, "SF Pro Text", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a1317;
    --surface: #121f25;
    --surface2: #1a2a31;
    --ink: #e7eff1;
    --ink2: #a6b8bf;
    --ink3: #8ea3ab;
    --line: #2a3e46;
    --water: #55b4ef;
    --on-water: #03202f;
    --creatine: #ff9b52;
    --danger: #ff7c69;
    --on-danger: #2b0a05;
    --danger-soft: #3d1a15;
    --focus: #55b4ef;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.5 var(--text);
}

a { color: var(--water); }
a:hover { text-decoration-thickness: 2px; }

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--surface);
  color: var(--ink);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
}

.skip:focus { top: 0.75rem; }

.wrap {
  width: min(40rem, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--display);
  font-size: 1.15rem;
  min-height: 44px;
}

.brand small {
  display: block;
  margin-top: 0.1rem;
  font-family: var(--text);
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--ink2);
}

.mark { width: 36px; height: 36px; display: block; }

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.9rem;
}

nav a {
  color: var(--ink2);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

nav a[aria-current="page"] { color: var(--water); }

@media (max-width: 640px) {
  nav {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

.draft {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.9rem 1rem;
  margin: 0.5rem 0 1.5rem;
}

.draft strong { color: var(--ink); }
.draft p { margin: 0.35rem 0 0; }

h1, h2 {
  font-family: var(--display);
  line-height: 1.15;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 8vw, 2.75rem); margin: 0.25rem 0 0.75rem; }
h2 { font-size: 1.35rem; margin: 2rem 0 0.5rem; }

p, li { color: var(--ink2); }
main { padding-bottom: 4rem; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
  border-radius: 12px;
  background: var(--water);
  color: var(--on-water);
  text-decoration: none;
  font: inherit;
}

.button.secondary {
  background: transparent;
  color: var(--water);
  border: 1px solid var(--line);
}

form, .card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
}

form { display: grid; gap: 0.85rem; }

label { display: grid; gap: 0.35rem; color: var(--ink); }

input {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 0.75rem;
  font: inherit;
  color: var(--ink);
  background: var(--surface2);
}

button {
  min-height: 44px;
  border: 0;
  border-radius: 12px;
  background: var(--danger);
  color: var(--on-danger);
  font: inherit;
}

button:disabled { opacity: 0.55; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

#result:not(:empty) {
  background: var(--danger-soft);
  color: var(--ink);
  border-radius: 12px;
  padding: 0.8rem 0.9rem;
}

#result.success { background: var(--surface2); }

.decisions { padding-left: 1.2rem; }

footer {
  color: var(--ink3);
  font-size: 0.9rem;
  padding-bottom: 2rem;
  display: grid;
  gap: 0.35rem;
}

footer p { margin: 0; }