@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Manrope:wght@400;600;700&display=swap");

:root {
  --ink: #171916;
  --paper: #f7f6f1;
  --panel: #fffefa;
  --line: #d9d8d1;
  --muted: #66675f;
  --accent: #3f7196;
  --accent-soft: #e4edf3;
  --error: #a74438;
  --error-soft: #f6e7e4;
  --warning: #8a651f;
  --warning-soft: #f4ecd9;
  --success: #4d704a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Manrope", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

button,
input,
textarea {
  font: inherit;
}

button,
.file-button {
  min-height: 44px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 10px 16px;
  background: var(--accent);
  color: white;
  font-weight: 600;
  cursor: pointer;
}

button:hover,
.file-button:hover {
  filter: brightness(0.94);
}

:focus-visible {
  outline: 3px solid #a8c7dc;
  outline-offset: 3px;
}

a {
  color: var(--accent);
}

.topbar {
  height: 72px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.topbar p {
  margin: 0;
  color: var(--muted);
  font:
    12px "IBM Plex Mono",
    monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.wordmark span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  font:
    500 17px "IBM Plex Mono",
    monospace;
}

.portfolio-link {
  justify-self: end;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 64px;
  align-items: end;
  padding: 88px 0 56px;
}

.hero h1 {
  max-width: 760px;
  margin: 10px 0 0;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.hero > p {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
}

.kicker {
  margin: 0;
  color: var(--accent);
  font:
    500 12px "IBM Plex Mono",
    monospace;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.import-panel,
.results {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.import-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 32px;
}

.import-copy,
.results-title,
.source-note {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.number {
  flex: 0 0 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font:
    500 12px "IBM Plex Mono",
    monospace;
}

h2,
h3,
p {
  margin-top: 0;
}

.import-copy h2,
.results-title h2 {
  margin-bottom: 4px;
  font-size: 20px;
}

.import-copy p,
.results-title p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.import-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

#csv-file {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.secondary {
  border-color: var(--line);
  background: transparent;
  color: var(--ink);
}

details {
  grid-column: 1 / -1;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  color: var(--accent);
  cursor: pointer;
}

details label {
  display: block;
  margin: 8px 0;
  font-weight: 600;
}

textarea {
  width: 100%;
  min-height: 180px;
  margin-bottom: 12px;
  padding: 16px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--ink);
  font:
    14px/1.5 "IBM Plex Mono",
    monospace;
}

.results {
  margin-top: 24px;
  overflow: hidden;
}

[hidden] {
  display: none !important;
}

.results-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 24px 32px;
  border-bottom: 1px solid var(--line);
}

.result-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.scoreboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}

.scoreboard div {
  padding: 24px 32px;
  border-right: 1px solid var(--line);
}

.scoreboard div:last-child {
  border: 0;
}

.scoreboard strong,
.scoreboard span {
  display: block;
}

.scoreboard strong {
  font:
    500 32px "IBM Plex Mono",
    monospace;
  font-variant-numeric: tabular-nums;
}

.scoreboard span {
  color: var(--muted);
  font-size: 13px;
}

.filter-row {
  display: flex;
  gap: 8px;
  padding: 16px 32px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
}

.filter {
  flex: 0 0 auto;
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.filter.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 15px 20px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #f2f1eb;
  color: var(--muted);
  font:
    500 11px "IBM Plex Mono",
    monospace;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

td {
  font-size: 14px;
}

td:nth-child(1),
td:nth-child(3) {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
}

.badge {
  display: inline-block;
  padding: 4px 7px;
  border-radius: 4px;
  font:
    500 11px "IBM Plex Mono",
    monospace;
  text-transform: uppercase;
}

.badge.error {
  color: var(--error);
  background: var(--error-soft);
}

.badge.warning {
  color: var(--warning);
  background: var(--warning-soft);
}

.empty {
  padding: 64px 24px;
  text-align: center;
}

.empty p {
  color: var(--muted);
}

.source-note {
  display: grid;
  grid-template-columns: 32px 1fr 1fr;
  gap: 24px;
  margin: 96px 0;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.source-note h2 {
  max-width: 480px;
  margin: 8px 0 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.source-note > div:last-child {
  color: var(--muted);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

footer {
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

footer p {
  margin: 0;
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .import-panel {
    grid-template-columns: 1fr;
  }
  .results-header {
    align-items: flex-start;
    flex-direction: column;
  }
  .scoreboard {
    grid-template-columns: 1fr 1fr;
  }
  .scoreboard div:nth-child(2) {
    border-right: 0;
  }
  .scoreboard div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
  .source-note {
    grid-template-columns: 32px 1fr;
  }
  .source-note > div:last-child {
    grid-column: 2;
  }
}

@media (max-width: 520px) {
  .topbar {
    grid-template-columns: 1fr auto;
  }
  .topbar p {
    display: none;
  }
  main {
    width: min(100% - 24px, 1180px);
  }
  .hero {
    padding-top: 56px;
  }
  .hero h1 {
    font-size: 44px;
  }
  .import-panel,
  .results-header {
    padding: 24px 16px;
  }
  .import-actions,
  .result-actions {
    display: grid;
    width: 100%;
  }
  .file-button {
    text-align: center;
  }
  .scoreboard div {
    padding: 18px 16px;
  }
  .filter-row {
    padding: 12px 16px;
  }
  .source-note {
    margin: 72px 0;
  }
}

.wordmark,
.links a,
footer a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}