:root {
  color-scheme: light dark;
  --bg: #f2f8f9;
  --surface: #ffffff;
  --border: #d7e6e6;
  --text: #142523;
  --text-muted: #55706e;
  --accent: #0e7a72;
  --accent-contrast: #ffffff;
  --danger: #c0293a;
  --danger-bg: #fdecee;
  --ok: #1a7f4e;
  --ok-bg: #e9f7ef;
  --warn: #9a6b00;
  --warn-bg: #fdf4dc;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1a19;
    --surface: #16211f;
    --border: #26312f;
    --text: #eaf3f1;
    --text-muted: #9db3b0;
    --accent: #4fd3c4;
    --accent-contrast: #04201c;
    --danger: #ff8a93;
    --danger-bg: #3a1319;
    --ok: #6fe0a8;
    --ok-bg: #0f2b1d;
    --warn: #f2c14e;
    --warn-bg: #362a08;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1rem/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.page {
  max-inline-size: 760px;
  margin-inline: auto;
  padding: clamp(1.25rem, 4vw, 3rem);
}

.whoami {
  text-align: end;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-block-end: 1rem;
}

.whoami a {
  color: inherit;
}

.badge {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  margin-block-end: 0.75rem;
}

.page-header h1 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  margin-block-end: 0.5rem;
}

.lede {
  color: var(--text-muted);
  margin-block-end: 2rem;
}

form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(1rem, 3vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mode-select {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.mode-select legend {
  font-weight: 600;
  padding-inline-end: 0.5rem;
  margin-block-end: 0.5rem;
  inline-size: 100%;
}

.mode-option {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  cursor: pointer;
  min-block-size: 44px;
}

.mode-option:has(input:checked) {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}

.mode-option input {
  accent-color: var(--accent);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field label {
  font-weight: 600;
}

.field input[type="text"],
.field textarea {
  font: inherit;
  font-size: 1rem;
  padding: 0.75rem;
  min-block-size: 48px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  resize: vertical;
}

.field input[type="text"]:focus-visible,
.field textarea:focus-visible,
.mode-option:has(input:focus-visible) {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.hint {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.error {
  color: var(--danger);
  background: var(--danger-bg);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  margin: 0;
}

button#submit-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font: inherit;
  font-weight: 600;
  font-size: 1rem;
  background: var(--accent);
  color: var(--accent-contrast);
  border: 0;
  border-radius: 999px;
  padding: 0.75rem 1.5rem;
  min-block-size: 48px;
  cursor: pointer;
}

button#submit-btn:disabled {
  opacity: 0.7;
  cursor: progress;
}

button#submit-btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.spinner {
  inline-size: 1rem;
  block-size: 1rem;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--accent-contrast) 40%, transparent);
  border-top-color: var(--accent-contrast);
  animation: spin 0.7s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .spinner {
    animation-duration: 1.6s;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.result {
  margin-block-start: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.verdict-card {
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  border: 2px dashed var(--border);
}

.verdict-card[data-verdict="malicious"] {
  background: var(--danger-bg);
  border-color: var(--danger);
}

.verdict-card[data-verdict="legitimate"] {
  background: var(--ok-bg);
  border-color: var(--ok);
}

.verdict-card[data-verdict="inconclusive"] {
  background: var(--warn-bg);
  border-color: var(--warn);
}

.verdict-title {
  display: inline-block;
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transform: rotate(-2deg);
  margin: 0 0 0.5rem;
}

.verdict-card[data-verdict="malicious"] .verdict-title { color: var(--danger); }
.verdict-card[data-verdict="legitimate"] .verdict-title { color: var(--ok); }
.verdict-card[data-verdict="inconclusive"] .verdict-title { color: var(--warn); }

.confidence {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.section h2 {
  font-size: 1rem;
  margin: 0 0 0.75rem;
}

.indicator-card + .indicator-card {
  margin-block-start: 1rem;
  padding-block-start: 1rem;
  border-block-start: 1px dashed var(--border);
}

.indicator-card dt {
  font-weight: 600;
  margin-block-start: 0.5rem;
}

.indicator-card dd {
  margin-inline-start: 0;
  color: var(--text-muted);
}

.indicator-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  word-break: break-all;
  color: var(--text);
}

.recommendation {
  font-weight: 600;
}

.recommendation[data-rec="block"] { color: var(--danger); }
.recommendation[data-rec="allow"] { color: var(--ok); }
.recommendation[data-rec="investigate_further"] { color: var(--warn); }

.citations {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.citations a {
  color: inherit;
}

.page-footer {
  margin-block-start: 3rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}