:root {
  color-scheme: dark;
  --bg: #09111f;
  --surface: #101a2b;
  --surface-strong: #152238;
  --ink: #18212f;
  --text: #edf4ff;
  --muted: #9aa8bd;
  --line: #26364f;
  --panel: #0d1727;
  --input: #0b1423;
  --accent: #2dd4bf;
  --accent-dark: #5eead4;
  --warn: #fbbf24;
  --button-text: #06211d;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #eef3f8;
  --surface: #ffffff;
  --surface-strong: #ffffff;
  --text: #18212f;
  --muted: #667085;
  --line: #d8dee8;
  --panel: #f7f9fc;
  --input: #ffffff;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --warn: #8a5a00;
  --button-text: #ffffff;
  --shadow: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 0%, rgba(45, 212, 191, 0.12), transparent 34%), var(--bg);
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 32px auto;
}

.topbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 12px;
}

.theme-toggle {
  min-height: 38px;
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.search-panel,
.summary,
.result-card,
.empty {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.search-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.5fr;
  gap: 28px;
  padding: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1;
  letter-spacing: 0;
}

.lede {
  color: var(--muted);
  line-height: 1.55;
  max-width: 54ch;
}

.filters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-content: start;
}

.field {
  display: grid;
  gap: 8px;
}

.field-wide {
  grid-column: 1 / -1;
}

label {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 650;
}

input,
select,
button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

input,
select {
  width: 100%;
  padding: 0 12px;
  background: var(--input);
  color: var(--text);
}

.college-picker {
  position: relative;
}

.college-toggle {
  width: 100%;
  min-height: 44px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
  background: var(--input);
  color: var(--text);
  border-color: var(--line);
  text-align: left;
}

.college-menu {
  position: absolute;
  z-index: 5;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  display: none;
  max-height: 260px;
  overflow: auto;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.college-picker[data-open="true"] .college-menu {
  display: grid;
  gap: 4px;
}

.college-option {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 8px;
  border-radius: 5px;
  color: var(--text);
  font-size: 0.86rem;
  line-height: 1.35;
  cursor: pointer;
}

.college-option:hover,
.college-option:has(input:focus-visible) {
  background: var(--panel);
}

.college-option input {
  width: 18px;
  min-height: 18px;
  margin: 1px 0 0;
  accent-color: var(--accent);
}

input::placeholder {
  color: color-mix(in srgb, var(--muted) 78%, transparent);
}

button {
  padding: 0 14px;
  background: var(--accent);
  color: var(--button-text);
  border-color: var(--accent);
  cursor: pointer;
  font-weight: 700;
}

.summary {
  margin: 16px 0;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.summary span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 4px;
}

.results {
  display: grid;
  gap: 12px;
}

.result-card {
  padding: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  gap: 18px;
}

.round {
  display: inline-flex;
  color: var(--warn);
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 6px;
}

h2 {
  margin: 0 0 6px;
  font-size: 1.15rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.result-main p,
details p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.metrics div {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
}

dt {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
}

dd {
  margin: 4px 0 0;
  font-weight: 800;
}

details {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.86rem;
}

summary {
  cursor: pointer;
  color: var(--accent-dark);
  font-weight: 800;
}

details span,
.source-link {
  display: inline-block;
  margin-top: 6px;
  color: var(--muted);
}

.source-link {
  color: var(--accent-dark);
  font-weight: 700;
}

.empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 20px, 1180px);
    margin: 10px auto;
  }

  .topbar {
    margin-top: 10px;
  }

  .search-panel,
  .filters,
  .result-card,
  .summary {
    grid-template-columns: 1fr;
  }

  .summary {
    align-items: stretch;
  }

  .metrics {
    grid-template-columns: 1fr;
  }
}