/* ---------- 1. Design tokens: change colors and fonts here ---------- */
/* Layout idea: tier rows on the left, the selected champion's page on the right. */
:root {
  --bg: #eef2f5;
  --surface: #ffffff;
  --ink: #14222e;
  --muted: #566775;
  --line: #d3dce3;
  --accent: #0b6f79;
  --tier-s: #e6b84a;
  --tier-a: #62c6cd;
  --tier-b: #a3bce2;
  --tier-c: #c5cdd4;
  --on-tier: #14222e;
  --up: #17783f;
  --down: #b83227;
  --font-display: "Saira Condensed", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0f1a22;
    --surface: #17252f;
    --ink: #e6edf2;
    --muted: #96a7b4;
    --line: #2b3d49;
    --accent: #4fc8d1;
    --tier-s: #dfae45;
    --tier-a: #47b5bd;
    --tier-b: #7d9fd3;
    --tier-c: #8996a1;
    --on-tier: #0f1a22;
    --up: #55c990;
    --down: #f07a6c;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1a22;
  --surface: #17252f;
  --ink: #e6edf2;
  --muted: #96a7b4;
  --line: #2b3d49;
  --accent: #4fc8d1;
  --tier-s: #dfae45;
  --tier-a: #47b5bd;
  --tier-b: #7d9fd3;
  --tier-c: #8996a1;
  --on-tier: #0f1a22;
  --up: #55c990;
  --down: #f07a6c;
}

/* ---------- 2. Page basics ---------- */
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
}
.page { max-width: 1080px; margin: 0 auto; padding: 28px 20px 48px; display: grid; gap: 24px; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; margin: 0; text-wrap: balance; }
h1 { font-size: 2.4rem; letter-spacing: 0.01em; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1rem; font-family: var(--font-body); font-weight: 600; }
p { margin: 0; }
code { font-size: 0.9em; background: var(--line); padding: 1px 5px; border-radius: 4px; }
.muted { color: var(--muted); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---------- 3. Header and controls ---------- */
.top { display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between; align-items: flex-end; }
.top .intro { display: grid; gap: 6px; max-width: 62ch; }
.flag {
  justify-self: start; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--on-tier); background: var(--tier-s); padding: 2px 8px; border-radius: 4px;
}
.rank-pick { display: grid; gap: 4px; font-size: 0.85rem; font-weight: 600; }
select {
  font: inherit; font-weight: 500; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; min-width: 180px;
}
.roles { display: flex; flex-wrap: wrap; gap: 8px; }
.roles button {
  font: inherit; font-size: 0.9rem; font-weight: 500; cursor: pointer;
  color: var(--ink); background: var(--surface); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 14px;
}
.roles button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--bg); }

/* ---------- 4. Tier list ---------- */
.layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.tiers { display: grid; gap: 10px; }
.tier { display: grid; grid-template-columns: 52px minmax(0, 1fr); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.tier-badge { display: grid; place-items: center; font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; color: var(--on-tier); }
.tier-s { background: var(--tier-s); }
.tier-a { background: var(--tier-a); }
.tier-b { background: var(--tier-b); }
.tier-c { background: var(--tier-c); }
.tier-champs { display: flex; flex-wrap: wrap; gap: 8px; padding: 10px; min-height: 64px; align-items: center; }
.champ {
  font: inherit; text-align: left; cursor: pointer; color: var(--ink);
  display: grid; grid-template-columns: auto auto; gap: 0 8px; align-items: center;
  background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px 6px 6px;
}
.champ:hover { border-color: var(--accent); }
.champ[aria-current="true"] { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.avatar {
  grid-row: span 2; width: 36px; height: 36px; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: 6px;
  position: relative; overflow: hidden;
}
/* The portrait sits on top of the initials and covers them once it loads. */
.avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; background: var(--surface); }
.avatar-large { width: 56px; height: 56px; font-size: 1.4rem; border-radius: 8px; }
.champ-name { font-weight: 600; font-size: 0.95rem; line-height: 1.2; }
.champ-meta { font-size: 0.8rem; color: var(--muted); font-variant-numeric: tabular-nums; line-height: 1.2; }
.move-up { color: var(--up); font-weight: 600; }
.move-down { color: var(--down); font-weight: 600; }

/* ---------- 5. Champion page ---------- */
.detail { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 18px; display: grid; gap: 16px; position: sticky; top: 16px; }
.detail-head { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.pill { font-size: 0.8rem; font-weight: 600; padding: 2px 9px; border-radius: 999px; border: 1px solid var(--line); }
.pill.tier-s, .pill.tier-a, .pill.tier-b, .pill.tier-c { color: var(--on-tier); border-color: transparent; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.stat { background: var(--bg); border-radius: 6px; padding: 8px 10px; }
.stat b { display: block; font-family: var(--font-display); font-size: 1.5rem; font-variant-numeric: tabular-nums; line-height: 1.1; }
.stat span { font-size: 0.8rem; color: var(--muted); }
.build { display: grid; gap: 10px; }
.build ol { margin: 4px 0 0; padding-left: 20px; }
.build dl { margin: 0; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 14px; font-size: 0.95rem; }
.build dt { color: var(--muted); }
.build dd { margin: 0; }
.build dd.stack { display: grid; gap: 4px; }
/* Rune, spell and ability pictures next to their names */
.with-icon { display: inline-flex; align-items: center; gap: 8px; }
.icon { width: 26px; height: 26px; flex: none; border-radius: 6px; background: #14222e; object-fit: cover; }
.icon-large { width: 36px; height: 36px; }
.skill-order { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.change { border-left: 4px solid var(--line); padding: 2px 0 2px 10px; font-size: 0.95rem; font-variant-numeric: tabular-nums; }
.change.buff { border-color: var(--up); }
.change.nerf { border-color: var(--down); }

/* ---------- 6. Lower cards ---------- */
.lower { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; align-items: start; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 18px; display: grid; gap: 10px; }
.card ul { margin: 0; padding-left: 20px; display: grid; gap: 4px; }
.formula { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.9rem; background: var(--bg); border-radius: 6px; padding: 10px; overflow-x: auto; white-space: nowrap; }
footer { font-size: 0.85rem; color: var(--muted); max-width: 70ch; }

@media (max-width: 760px) {
  h1 { font-size: 2rem; }
  .layout, .lower { grid-template-columns: minmax(0, 1fr); }
  .detail { position: static; }
}