:root {
  color-scheme: dark;
  --bg: #080a12;
  --panel: rgba(18, 22, 37, .88);
  --panel-2: rgba(28, 34, 55, .86);
  --text: #f6f7fb;
  --muted: #aab1c8;
  --line: rgba(255, 255, 255, .12);
  --brand: #8b5cf6;
  --brand-2: #22d3ee;
  --danger: #ef4444;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(139, 92, 246, .24), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(34, 211, 238, .16), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .8rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 10, 18, .86);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: .7rem; font-weight: 900; letter-spacing: .08em; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
nav { display: flex; align-items: center; justify-content: flex-end; gap: .35rem; flex-wrap: wrap; }
nav a, .admin-tabs a, .admin-tabs button {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: .55rem .75rem;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}
nav a.active, nav a:hover, .admin-tabs a.active {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, .07);
}

.shell { width: min(1180px, calc(100% - 2rem)); margin: 2rem auto 4rem; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 360px);
  align-items: center;
  gap: 2rem;
  min-height: 420px;
  padding: clamp(1.2rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(139, 92, 246, .2), rgba(34, 211, 238, .07)), var(--panel);
}
.hero.compact { display: block; min-height: auto; }
.hero h1 { margin: 0; max-width: 760px; font-size: clamp(2.2rem, 7vw, 5.2rem); line-height: .95; }
.hero p { max-width: 650px; color: var(--muted); font-size: 1.08rem; line-height: 1.7; }
.hero img { width: min(100%, 320px); margin-inline: auto; filter: drop-shadow(0 24px 80px rgba(139, 92, 246, .45)); }
.eyebrow { margin: 0 0 .8rem; color: var(--brand-2); text-transform: uppercase; letter-spacing: .14em; font-weight: 800; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.2rem; }
.btn, button {
  border: 0;
  border-radius: 8px;
  padding: .8rem 1rem;
  color: white;
  background: linear-gradient(135deg, var(--brand), #6d28d9);
  font-weight: 800;
  cursor: pointer;
}
.btn.ghost { background: rgba(255,255,255,.08); border: 1px solid var(--line); }
button.danger, .danger { background: var(--danger); }

h1, h2 { margin: 2rem 0 1rem; }
.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card, .panel, .stat, .list > div, .ranking > div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 20px 80px rgba(0, 0, 0, .18);
}
.card { overflow: hidden; padding: 1rem; }
.card img { width: 100%; height: 190px; border-radius: 6px; object-fit: cover; background: rgba(255,255,255,.06); }
.card span { display: inline-flex; margin-top: .8rem; color: var(--brand-2); font-size: .82rem; font-weight: 800; }
.card p, .list span, .stat span { color: var(--muted); line-height: 1.55; }
.card form { display: grid; gap: .65rem; margin-top: 1rem; }
.stat { padding: 1.2rem; }
.stat b { display: block; font-size: 2.2rem; }
.panel { padding: clamp(1rem, 3vw, 1.6rem); }
.panel.narrow, .setup { width: min(520px, calc(100% - 2rem)); margin: 4rem auto; }
.form { display: grid; gap: 1rem; }
label { display: grid; gap: .4rem; color: var(--muted); font-weight: 700; }
label.check { display: flex; align-items: center; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .85rem .9rem;
  color: var(--text);
  background: rgba(255,255,255,.07);
  outline: none;
}
textarea { min-height: 130px; resize: vertical; }

.ranking, .list { display: grid; gap: .75rem; }
.ranking > div, .list > div {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: .9rem;
  padding: .85rem;
}
.ranking img { width: 54px; height: 54px; object-fit: contain; border-radius: 8px; background: rgba(255,255,255,.06); }
.ranking span { color: var(--brand-2); font-weight: 900; }
.ranking em, .list em { color: var(--muted); font-style: normal; }

.flash {
  width: min(1180px, calc(100% - 2rem));
  margin: 1rem auto 0;
  padding: .9rem 1rem;
  border-radius: 8px;
  background: rgba(34, 197, 94, .16);
  border: 1px solid rgba(34, 197, 94, .35);
}
.flash.error { background: rgba(239, 68, 68, .16); border-color: rgba(239, 68, 68, .35); }
.admin-tabs {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.admin-tabs form { margin-left: auto; }
.inline { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }

@media (max-width: 880px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .hero, .grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .ranking > div, .list > div { grid-template-columns: auto 1fr; }
  .ranking em, .list em { grid-column: 2; }
}