:root {
  --bg0: #e8eef2;
  --bg1: #f7fafb;
  --ink: #13212b;
  --muted: #5a6b76;
  --line: rgba(19, 33, 43, 0.12);
  --teal: #0b6e6e;
  --teal-deep: #084f4f;
  --amber: #b86a00;
  --rose: #a11d3a;
  --ok: #1f6b3a;
  --panel: rgba(247, 250, 251, 0.88);
  --shadow: 0 18px 50px rgba(19, 33, 43, 0.08);
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "Sora", "Segoe UI", sans-serif;
  --display: "Fraunces", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 10% -10%, rgba(11, 110, 110, 0.16), transparent 55%),
    radial-gradient(900px 600px at 100% 0%, rgba(184, 106, 0, 0.12), transparent 50%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 40%, #eef3f6);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(19, 33, 43, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 33, 43, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at 50% 20%, black, transparent 75%);
}

.wrap {
  position: relative;
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 1.75rem;
  animation: rise 0.7s ease both;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 2.85rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.brand-mark span.dot {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 6px rgba(11, 110, 110, 0.15);
  animation: pulse 2.4s ease-in-out infinite;
}

.brand p {
  margin: 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.55;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  padding: 1.35rem;
  animation: rise 0.75s ease 0.08s both;
}

form.scan {
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

input[type="url"],
input[type="password"],
input[type="number"] {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font: 500 1rem/1.2 var(--sans);
  padding: 0.85rem 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus {
  border-color: rgba(11, 110, 110, 0.55);
  box-shadow: 0 0 0 4px rgba(11, 110, 110, 0.12);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  padding-top: 0.2rem;
}

.checks label {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
}

.checks input {
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--teal);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

button {
  appearance: none;
  border: 0;
  cursor: pointer;
  font: 600 0.95rem/1 var(--sans);
  padding: 0.95rem 1.25rem;
  transition: transform 0.15s ease, background 0.2s ease, opacity 0.2s ease;
}

button.primary {
  background: var(--teal);
  color: #f5fffe;
}

button.primary:hover {
  background: var(--teal-deep);
}

button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

button:active {
  transform: translateY(1px);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.hint {
  color: var(--muted);
  font-size: 0.88rem;
}

.status-bar {
  margin-top: 1.25rem;
  display: none;
  animation: rise 0.5s ease both;
}

.status-bar.visible {
  display: block;
}

.progress-track {
  height: 8px;
  background: rgba(19, 33, 43, 0.08);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--teal), #169090);
  transition: width 0.35s ease;
}

.status-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-top: 0.65rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.status-meta strong {
  color: var(--ink);
  font-weight: 600;
}

.stats {
  display: none;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 1.25rem;
  animation: rise 0.55s ease both;
}

.stats.visible {
  display: grid;
}

.stat {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  padding: 0.85rem 0.75rem;
}

.stat b {
  display: block;
  font-family: var(--display);
  font-size: 1.55rem;
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat span {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat.broken b { color: var(--rose); }
.stat.ok b { color: var(--ok); }
.stat.redirect b { color: var(--amber); }
.stat.error b,
.stat.client_error b,
.stat.server_error b { color: var(--rose); }

.toolbar {
  display: none;
  margin-top: 1.25rem;
  gap: 0.65rem;
  flex-wrap: wrap;
  align-items: center;
}

.toolbar.visible {
  display: flex;
}

.toolbar input[type="search"] {
  flex: 1 1 220px;
  border: 1px solid var(--line);
  background: #fff;
  font: 500 0.95rem var(--sans);
  padding: 0.7rem 0.85rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font: 600 0.75rem/1 var(--sans);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.55rem 0.7rem;
  cursor: pointer;
}

.chip.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #f4f8fa;
}

.results {
  margin-top: 1rem;
  display: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  animation: rise 0.6s ease both;
}

.results.visible {
  display: block;
}

.row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 0.85rem;
  padding: 0.95rem 1rem;
  border-bottom: 1px solid var(--line);
}

.row:last-child {
  border-bottom: 0;
}

.badge {
  align-self: start;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
  padding: 0.45rem 0.35rem;
  border: 1px solid var(--line);
  background: #fff;
}

.badge.ok { color: var(--ok); border-color: rgba(31, 107, 58, 0.35); }
.badge.broken,
.badge.client_error,
.badge.server_error,
.badge.error { color: var(--rose); border-color: rgba(161, 29, 58, 0.35); }
.badge.redirect { color: var(--amber); border-color: rgba(184, 106, 0, 0.35); }

.row-body {
  min-width: 0;
}

.row-url {
  font-family: var(--mono);
  font-size: 0.86rem;
  word-break: break-all;
  color: var(--ink);
  text-decoration: none;
}

.row-url:hover {
  color: var(--teal);
}

.row-meta {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.empty {
  padding: 1.4rem 1rem;
  color: var(--muted);
  text-align: center;
}

.alert {
  display: none;
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(161, 29, 58, 0.35);
  background: rgba(161, 29, 58, 0.08);
  color: var(--rose);
  animation: rise 0.4s ease both;
}

.alert.visible {
  display: block;
}

.footer-note {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.82rem;
  animation: rise 0.8s ease 0.12s both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.86); opacity: 0.7; }
}

@media (max-width: 800px) {
  .grid-3,
  .stats {
    grid-template-columns: 1fr;
  }

  .row {
    grid-template-columns: 72px 1fr;
  }
}