/* ── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

:root {
  --bg:        #fafafa;
  --surface:   #ffffff;
  --text:      #1a1a2e;
  --muted:     #6b7280;
  --primary:   #2563eb;
  --primary-hover: #1d4ed8;
  --ok:        #16a34a;
  --ok-bg:     #dcfce7;
  --ok-border: #86efac;
  --bad:       #dc2626;
  --bad-bg:    #fee2e2;
  --bad-border:#fca5a5;
  --warn:      #d97706;
  --warn-bg:   #fef3c7;
  --warn-border:#fcd34d;
  --border:    #e5e7eb;
  --radius:    8px;
  --shadow:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,.1);
  --font:      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  --mono:      "SF Mono", "Fira Code", "Cascadia Code", Consolas, monospace;
  --max-w:     640px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0f0f17;
    --surface:   #1a1a2e;
    --text:      #e5e7eb;
    --muted:     #9ca3af;
    --primary:   #60a5fa;
    --primary-hover: #93bbfd;
    --ok:        #4ade80;
    --ok-bg:     #14532d;
    --ok-border: #166534;
    --bad:       #f87171;
    --bad-bg:    #450a0a;
    --bad-border:#991b1b;
    --warn:      #fbbf24;
    --warn-bg:   #451a03;
    --warn-border:#92400e;
    --border:    #2d2d3f;
    --shadow:    0 1px 3px rgba(0,0,0,.3);
    --shadow-lg: 0 4px 12px rgba(0,0,0,.4);
  }
}

html {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

/* ── Layout ───────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
}

/* ── Header ───────────────────────────────────────────────── */
h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: .25rem;
}

.subtitle {
  color: var(--muted);
  font-size: .875rem;
  margin-bottom: 2rem;
}

/* ── Form ─────────────────────────────────────────────────── */
.search-form {
  display: flex;
  gap: .5rem;
  margin-bottom: 1.5rem;
}

input[type="text"] {
  flex: 1;
  padding: .625rem 1rem;
  font-size: 1rem;
  font-family: var(--font);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  outline: none;
  transition: border-color .15s;
}

input[type="text"]::placeholder { color: var(--muted); }
input[type="text"]:focus { border-color: var(--primary); }

button {
  padding: .625rem 1.25rem;
  font-size: .9375rem;
  font-weight: 600;
  font-family: var(--font);
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .15s;
  white-space: nowrap;
}

button:hover { background: var(--primary-hover); }
button:active { transform: scale(.98); }
button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
button:disabled {
  opacity: .6;
  cursor: not-allowed;
}

/* ── Result card ──────────────────────────────────────────── */
.result {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.result-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .75rem;
}

.result-header .host {
  font-family: var(--mono);
  font-size: 1.125rem;
  font-weight: 600;
  word-break: break-all;
}

.result-header .resolved {
  font-size: .8125rem;
  color: var(--muted);
  font-family: var(--mono);
  word-break: break-all;
}

/* ── Verdict badge ────────────────────────────────────────── */
.verdict {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: .25rem .625rem;
  border-radius: 999px;
  white-space: nowrap;
}

.verdict.verdict-allowed {
  background: var(--ok-bg);
  color: var(--ok);
  border: 1px solid var(--ok-border);
}

.verdict.verdict-blocked {
  background: var(--bad-bg);
  color: var(--bad);
  border: 1px solid var(--bad-border);
}

.verdict.verdict-whitelist {
  background: var(--warn-bg);
  color: var(--warn);
  border: 1px solid var(--warn-border);
}

/* ── Result body ──────────────────────────────────────────── */
.result-body {
  padding: 1.25rem;
}

.result-section {
  margin-bottom: 1rem;
}

.result-section:last-child { margin-bottom: 0; }

.result-section h3 {
  font-size: .6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: .375rem;
}

.result-section p {
  font-size: .9375rem;
  line-height: 1.5;
}

.result-section .mono {
  font-family: var(--mono);
  font-size: .875rem;
}

.block-list {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
}

/* ── Block badge ──────────────────────────────────────────── */
.block-badge {
  font-size: .75rem;
  font-weight: 600;
  padding: .1875rem .5rem;
  border-radius: 4px;
  background: var(--bad-bg);
  color: var(--bad);
  border: 1px solid var(--bad-border);
}

.block-badge.clean {
  background: var(--ok-bg);
  color: var(--ok);
  border: 1px solid var(--ok-border);
}

/* ── Trait badges ─────────────────────────────────────────── */
.trait-badge {
  font-size: .75rem;
  font-weight: 600;
  padding: .1875rem .5rem;
  border-radius: 4px;
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--border);
}

.trait-badge.anycast {
  background: #eff6ff;
  color: #3b82f6;
  border-color: #93c5fd;
}

.trait-badge.anonymous {
  background: #fef3c7;
  color: #d97706;
  border-color: #fcd34d;
}

.trait-badge.satellite {
  background: #f3e8ff;
  color: #7c3aed;
  border-color: #c4b5fd;
}

.trait-badge.eu {
  background: #dbeafe;
  color: #2563eb;
  border-color: #93c5fd;
}

@media (prefers-color-scheme: dark) {
  .trait-badge.anycast {
    background: #1e3a5f;
    color: #60a5fa;
    border-color: #1e40af;
  }
  .trait-badge.anonymous {
    background: #451a03;
    color: #fbbf24;
    border-color: #92400e;
  }
  .trait-badge.satellite {
    background: #3b0764;
    color: #a78bfa;
    border-color: #581c87;
  }
  .trait-badge.eu {
    background: #1e3a5f;
    color: #60a5fa;
    border-color: #1e40af;
  }
}

/* ── Loading spinner ──────────────────────────────────────── */
.loading {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-size: .875rem;
}

.spinner {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .6s linear infinite;
  vertical-align: middle;
  margin-right: .5rem;
}

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

/* ── Error ────────────────────────────────────────────────── */
.error-msg {
  background: var(--bad-bg);
  color: var(--bad);
  border: 1px solid var(--bad-border);
  border-radius: var(--radius);
  padding: .75rem 1rem;
  margin-bottom: 1.5rem;
  font-size: .875rem;
}

/* ── My IP link ───────────────────────────────────────────── */
.my-ip-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: .875rem;
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 2px;
  cursor: pointer;
  transition: text-decoration-color .15s;
}

.my-ip-link:hover { text-decoration-color: var(--primary); }
.my-ip-link:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ── Footer ───────────────────────────────────────────────── */
footer {
  margin-top: 2rem;
  font-size: .75rem;
  color: var(--muted);
  text-align: center;
}

footer a { color: var(--primary); text-decoration: none; }
footer a:hover { text-decoration: underline; }