/* AT6 Link Shortener — modern, minimal, mobile-first, schwarz/weiß */

:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: #6b7280;
  --line: #e5e7eb;
  --line-strong: #0a0a0a;
  --soft: #f5f5f5;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Topbar: kompakt, Logo links, mini-Links rechts */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
  gap: 12px;
}
.brand {
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  font-size: 1rem;
  color: var(--fg);
}
.topnav {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--muted);
}
.topnav a {
  color: var(--muted);
  text-decoration: none;
}
.topnav a:hover { color: var(--fg); }
.topnav form { display: inline; margin: 0; }
.link-btn {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--muted);
  cursor: pointer;
}
.link-btn:hover { color: var(--fg); }

/* Container: zentriert, schmal */
.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 32px 20px 100px;
}

/* Card: weiß, dünner Rand */
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--bg);
}
.card h1 {
  margin: 0 0 4px 0;
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.subtitle {
  margin: 0 0 20px 0;
  font-size: 0.875rem;
  color: var(--muted);
}

/* Limit-Pill: klein, oben rechts am Card-Header */
.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}
.limit-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--muted);
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.limit-pill strong { color: var(--fg); font-weight: 600; }

/* Form */
.field {
  display: block;
  margin-bottom: 14px;
}
.field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 140px;
  gap: 10px;
}

input, select {
  width: 100%;
  font: inherit;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}
input:focus, select:focus {
  border-color: var(--fg);
  box-shadow: 0 0 0 3px var(--soft);
}

.hint {
  margin: 6px 0 0 0;
  font-size: 0.75rem;
  color: var(--muted);
}
select {
  background-image: linear-gradient(45deg, transparent 50%, var(--fg) 50%),
                    linear-gradient(135deg, var(--fg) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 12px) 50%;
  background-size: 6px 6px;
  background-repeat: no-repeat;
  padding-right: 32px;
}

/* Button: schwarz, fett */
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font: inherit;
  font-weight: 600;
  background: var(--fg);
  color: var(--bg);
  border: 1px solid var(--fg);
  border-radius: 8px;
  padding: 12px 18px;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 120ms ease, transform 80ms ease;
  min-height: 44px;
}
button:hover, .btn:hover { opacity: 0.85; }
button:active, .btn:active { transform: scale(0.98); }
button[disabled] { opacity: 0.4; cursor: not-allowed; }
button.block, .btn.block { width: 100%; }
.btn-secondary {
  background: var(--bg);
  color: var(--fg);
}
.btn-mini {
  font-size: 0.8125rem;
  padding: 8px 14px;
  min-height: 36px;
}

/* Resultat-Box nach Create */
.result {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--bg);
  margin-bottom: 16px;
}
.result-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 8px 0;
}
.result-link {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 0.9375rem;
  word-break: break-all;
  margin-bottom: 12px;
}
.result-link a {
  flex: 1;
  color: var(--fg);
  text-decoration: none;
  font-weight: 500;
}
.copy-btn {
  flex-shrink: 0;
  background: var(--fg);
  color: var(--bg);
  border: 1px solid var(--fg);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 32px;
}
.copy-btn.copied { background: var(--bg); color: var(--fg); }

.result-meta {
  font-size: 0.8125rem;
  color: var(--muted);
  margin: 0;
}

/* Messages */
.err {
  background: var(--soft);
  border-left: 2px solid var(--fg);
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 0.875rem;
  margin: 0 0 16px 0;
}

/* Confirm-Seite */
.target-box {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 14px;
  background: var(--soft);
  margin: 16px 0;
  word-break: break-all;
  font-family: var(--mono);
  font-size: 0.875rem;
}
.target-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 6px 0;
}
.expiry {
  font-size: 0.8125rem;
  color: var(--muted);
  margin: 0 0 20px 0;
  text-align: center;
}
.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 20px;
}
.actions form { margin: 0; }

/* Code: monospace pill */
code, .mono {
  font-family: var(--mono);
  font-size: 0.875em;
}

/* Footer-Legal: ganz unten, klein, als Mini-Links */
.legal-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  border-top: 1px solid var(--line);
  background: var(--bg);
  padding: 10px 20px;
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--muted);
  z-index: 5;
}
.legal-bar a {
  color: var(--muted);
  text-decoration: none;
}
.legal-bar a:hover { color: var(--fg); }

/* Hide old in-content links (kept for compat) */
.legal-old {
  display: none;
}

@media (max-width: 480px) {
  .topbar { padding: 12px 16px; }
  .container { padding: 20px 16px 90px; }
  .card { padding: 20px; border-radius: 8px; }
  .card h1 { font-size: 1.25rem; }
  .field-row {
    grid-template-columns: 1fr;
  }
  .actions {
    grid-template-columns: 1fr;
  }
  .legal-bar { padding: 8px 12px; gap: 12px; }
}