:root {
  --bg0: #0b1c24;
  --bg1: #123040;
  --bg2: #1a4558;
  --ink: #e8f2f6;
  --muted: #9bb8c5;
  --accent: #2bb0c9;
  --accent2: #e0a045;
  --ok: #3ecf8e;
  --warn: #e0a045;
  --line: rgba(232, 242, 246, 0.12);
  --card: rgba(18, 48, 64, 0.72);
  --radius: 14px;
  --font: "DM Sans", "Segoe UI", sans-serif;
  --display: "Sora", "DM Sans", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(43, 176, 201, 0.28), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(224, 160, 69, 0.16), transparent 50%),
    linear-gradient(165deg, var(--bg0), var(--bg1) 45%, #0e2732);
}

.wrap {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.hero {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
  animation: rise 0.7s ease both;
}
.brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
  margin: 0;
}
.brand span { color: var(--accent); }
.lead {
  margin: 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  margin: 1.5rem 0 1rem;
  flex-wrap: wrap;
}
.tab {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  transition: 0.2s ease;
}
.tab.active, .tab:hover {
  color: var(--ink);
  border-color: rgba(43, 176, 201, 0.55);
  background: rgba(43, 176, 201, 0.12);
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  backdrop-filter: blur(10px);
  animation: rise 0.55s ease both;
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}
@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; }
}
label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.86rem;
  color: var(--muted);
}
input, select {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(11, 28, 36, 0.65);
  color: var(--ink);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  font: inherit;
}
input:focus, select:focus {
  outline: 2px solid rgba(43, 176, 201, 0.45);
  border-color: transparent;
}

.actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.1rem;
  flex-wrap: wrap;
}
.btn {
  appearance: none;
  border: 0;
  background: linear-gradient(135deg, #2bb0c9, #1a8fa6);
  color: #042029;
  font-weight: 700;
  padding: 0.85rem 1.25rem;
  border-radius: 12px;
  cursor: pointer;
  font: inherit;
  transition: transform 0.15s ease, filter 0.15s ease;
}
.btn:hover { filter: brightness(1.06); transform: translateY(-1px); }
.btn:disabled { opacity: 0.55; cursor: wait; transform: none; }

.req {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px dashed rgba(43, 176, 201, 0.35);
  background: rgba(43, 176, 201, 0.08);
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.5;
}
.req strong { color: var(--accent); }

.results {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.85rem;
}
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  background: rgba(8, 22, 30, 0.45);
  display: grid;
  gap: 0.55rem;
  animation: rise 0.45s ease both;
}
.card-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  flex-wrap: wrap;
}
.model {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 650;
  margin: 0;
}
.brand-tag {
  color: var(--accent2);
  font-size: 0.85rem;
  font-weight: 600;
}
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.badge.ok { background: rgba(62, 207, 142, 0.15); color: var(--ok); }
.badge.warn { background: rgba(224, 160, 69, 0.15); color: var(--warn); }
.badge.review { background: rgba(232, 242, 246, 0.08); color: var(--muted); }

.empty, .error {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.error { border-color: rgba(224, 100, 80, 0.4); color: #ffb4a8; }

.foot {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}