:root {
  --body: #0f1116;
  --text: #a1a09a;
  --primary: #30a322;
  --secondary: #e6e6e6;
  --hue: #adaba4;
  --gold: #e1b73f;
  --faded: #6d6461;
  --red: #d81515;
  --bg-darkest: #12141a;
  --bg-dark: #15181f;
  --bg-medium: #1a1e24;
  --bg-light: #1f242b;
  --bg-lightest: #272d35;
  --bg-very-light: #2f3640;
  --radius: 0.5rem;
  --gutter: 30px;
  --max-width: 1040px;
  --font: "Poppins", "Roboto", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--text);
  font: 14px/1.5 var(--font);
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(48, 163, 34, 0.16), transparent 55%),
    linear-gradient(180deg, #12141a 0%, var(--body) 28%);
  background-color: var(--body);
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover { color: #4dc43d; }

img { max-width: 100%; }

.wrap {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--bg-lightest);
  background: rgba(15, 17, 22, 0.86);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--secondary);
}

.brand img { height: 36px; width: auto; }

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-copy span {
  color: var(--faded);
  font-size: 12px;
}

nav {
  display: flex;
  gap: 8px;
}

nav a {
  color: var(--secondary);
  padding: 8px 14px;
  border-radius: var(--radius);
  font-weight: 500;
}

nav a:hover,
nav a.active {
  color: var(--secondary);
  background: var(--bg-light);
}

nav a.active { color: var(--primary); }

main { padding: 48px 0 72px; }

.hero {
  margin-bottom: 28px;
}

.kicker {
  color: var(--gold);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

h1, h2, h3 {
  color: var(--secondary);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 12px;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }

.lede {
  max-width: 68ch;
  margin: 0;
  color: var(--hue);
  font-size: 1.05rem;
}

.panel {
  background: var(--bg-dark);
  border: 1px solid var(--bg-lightest);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

form.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  align-items: end;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--hue);
  font-size: 13px;
  font-weight: 500;
}

input[type="text"],
input[type="number"] {
  width: 100%;
  background: var(--bg-darkest);
  border: 1px solid var(--bg-lightest);
  color: rgba(255, 255, 255, 0.86);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
  font: inherit;
  outline: 0;
}

input:hover,
input:focus {
  border-color: var(--primary);
  color: var(--primary);
}

input:focus { background: #0c0e13; }

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

button,
.btn {
  appearance: none;
  border: 0;
  border-radius: var(--radius);
  padding: 0.8rem 1.2rem;
  font: 600 14px/1 var(--font);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  color: #fff;
  background: var(--bg-light);
}

.btn-primary {
  background-image: linear-gradient(0deg, #2c830e 0%, #4daf27 100%);
  box-shadow:
    0 0 10px var(--bg-darkest),
    inset 4px 4px 0 #318219,
    inset -4px -4px 0 #43a31e;
  text-shadow: 0 1px 0 #000;
}

.btn-primary:hover { filter: brightness(1.08); }

.btn-ghost {
  color: var(--hue);
  background: var(--bg-medium);
  border: 1px solid var(--bg-lightest);
}

.status {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: var(--bg-medium);
  color: var(--secondary);
}

.status[data-tone="success"] { background: #1e421a; }
.status[data-tone="error"] { background: rgb(56, 24, 24); }

.result {
  margin-top: 24px;
  text-align: center;
}

.roll {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  color: var(--gold);
  text-shadow: 0 0 24px rgba(225, 183, 63, 0.25);
  letter-spacing: -0.03em;
}

.meta {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--faded);
  word-break: break-all;
  font-size: 12px;
}

.proof {
  display: grid;
  gap: 10px;
  margin-top: 20px;
  text-align: left;
}

.proof div {
  background: var(--bg-darkest);
  border: 1px solid var(--bg-lightest);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.proof strong {
  display: block;
  color: var(--hue);
  font-size: 12px;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.board {
  --tile: 72px;
  display: grid;
  grid-template-columns: repeat(5, var(--tile));
  gap: 8px;
  justify-content: center;
  margin: 24px auto 0;
}

.tile {
  width: var(--tile);
  height: var(--tile);
  border-radius: 8px;
  display: grid;
  place-items: center;
  border: 1px solid var(--bg-lightest);
  background: var(--bg-light);
  box-shadow: inset 0 0 18px rgba(0, 0, 0, 0.35);
}

.tile.gem {
  background: linear-gradient(180deg, #2b6d22, #1a4216);
  border-color: #3f9a32;
  color: #b6f0aa;
}

.tile.mine {
  background: linear-gradient(180deg, #7a1d1d, #3d1010);
  border-color: #c23a3a;
  color: #ffd0d0;
}

.tile svg { width: 34px; height: 34px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.card {
  display: block;
  background: var(--bg-dark);
  border: 1px solid var(--bg-lightest);
  border-radius: 12px;
  padding: 24px;
  color: inherit;
  transition: border-color 200ms, transform 200ms, box-shadow 200ms;
}

.card:hover {
  border-color: var(--primary);
  color: inherit;
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(48, 163, 34, 0.12);
}

.card h2 { font-size: 1.5rem; }

.notes {
  margin-top: 28px;
  color: var(--faded);
  font-size: 13px;
}

.notes code,
footer code {
  color: var(--secondary);
  background: var(--bg-light);
  padding: 1px 6px;
  border-radius: 4px;
}

.site-footer {
  border-top: 1px solid var(--bg-lightest);
  padding: 28px 0 40px;
  color: var(--faded);
  font-size: 13px;
}

.site-footer .wrap {
  display: grid;
  gap: 10px;
}

.site-footer p { margin: 0; }

@media (max-width: 720px) {
  .site-header .wrap {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 0;
    gap: 12px;
  }

  .board { --tile: 56px; }
}