:root {
  --bg: #050910;
  --panel: #0b1220;
  --muted: #a8b6d6;
  --primary: #7ce7c1;
  --primary-strong: #3bd2a1;
  --text: #eef4ff;
  --accent: #ffd479;
  --danger: #ff6b6b;
  --radius: 18px;
  --shadow: 0 18px 70px rgba(0,0,0,0.38);
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 16.5px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 20%, rgba(124,231,193,0.12), transparent 30%),
              radial-gradient(circle at 78% 5%, rgba(255,212,121,0.18), transparent 26%),
              linear-gradient(135deg, #060910 0%, #0a1423 50%, #05080f 100%);
  min-height: 100vh;
  line-height: 1.65;
}

.page-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 38px 24px 70px;
}

.hero {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 28px;
  align-items: stretch;
  margin-bottom: 28px;
}

.hero-copy {
  background: linear-gradient(145deg, rgba(124,231,193,0.08), rgba(255,212,121,0.04));
  border: 1px solid #1c2a3f;
  border-radius: 20px;
  padding: 26px 26px 22px;
  box-shadow: var(--shadow);
}
.hero-card-alt {
  background: linear-gradient(150deg, #0c1525, #0a1120 60%, #0d172d);
  border: 1px solid #1c2a42;
  border-radius: var(--radius);
  padding: 18px 18px 14px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

h1 {
  margin: 0 0 8px;
  font-size: 40px;
  letter-spacing: 0.8px;
  font-weight: 900;
  background: linear-gradient(110deg, #c8ffe0 0%, #7ce7c1 35%, #5fd9ff 70%, #d5ffe1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  margin: 0;
  font-size: 21px;
  letter-spacing: 0.25px;
  font-weight: 700;
  color: var(--primary);
}

.lead { color: var(--muted); max-width: 720px; font-size: 16px; }

.hero-points { color: var(--muted); padding-left: 16px; }
.hero-points li { margin: 6px 0; font-size: 14px; }

.form-row { display: flex; gap: 14px; align-items: stretch; margin-top: 18px; flex-wrap: wrap; }
.input-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  background: #0c1522;
  border: 1px solid #1e2c44;
  border-radius: var(--radius);
  padding: 10px 14px;
}
.input-wrap input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 16px;
  padding: 8px;
}
.prefix { color: var(--muted); font-size: 14.5px; letter-spacing: 0.3px; }

button {
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  font-size: 16px;
  padding: 12px 18px;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

button.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #03101d;
  font-weight: 800;
  letter-spacing: 0.2px;
  box-shadow: 0 12px 32px rgba(60,202,150,0.3);
}
button.primary:hover { transform: translateY(-1px); box-shadow: 0 16px 40px rgba(60,202,150,0.38); }
button:active { transform: translateY(0); }

button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid #1f2f4c;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
}

.hint { color: var(--muted); margin: 8px 0 0; font-size: 14.5px; }
.notice {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: rgba(255,107,107,0.1);
  border: 1px solid rgba(255,107,107,0.4);
  color: #ffc3c3;
}
.hidden { display: none !important; }

.hero-card h3 { margin: 4px 0; }
.hero-card-alt {
  background: linear-gradient(150deg, #0c1525, #0a1120 60%, #0d172d);
  border: 1px solid #1c2a42;
  border-radius: var(--radius);
  padding: 18px 18px 14px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: #122036;
  border: 1px solid #243652;
  color: var(--muted);
  font-weight: 600;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.stat-grid.slim {
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 10px;
}
.stat-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 6px 2px;
}
.tiny { font-size: 12px; color: var(--muted); }
.number { font-size: 23px; font-weight: 800; letter-spacing: 0.2px; }
.stat-card .number { font-size: 21px; }
.muted { color: var(--muted); margin: 0; }
.mono { font-family: var(--mono); }
.small { font-size: 13.5px; }

.content.two-col {
  display: grid;
  grid-template-columns: 0.95fr 1.45fr;
  gap: 22px;
}
.col-left, .col-right { display: flex; flex-direction: column; gap: 18px; }
.full-width { margin-top: 18px; }
.panel {
  background: var(--panel);
  border: 1px solid #1b2a42;
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: var(--shadow);
}
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  border-bottom: 1px solid #142137;
  padding-bottom: 8px;
}

.badge {
  padding: 7px 12px;
  background: #13233b;
  color: var(--primary);
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid #20405b;
  letter-spacing: 0.2px;
}
.badge.subtle {
  background: #15233d;
  color: var(--muted);
  border-color: #1f2f4c;
  font-weight: 600;
}

.result-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.compact-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: center;
}
.compact-grid > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cert {
  background: #0c1424;
  border: 1px solid #1a2a44;
  border-radius: 12px;
  padding: 12px;
  color: #b6d4ff;
  font-family: var(--mono);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 280px;
  overflow: auto;
  font-size: 13px;
}

.recent-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}
.recent-list li {
  background: linear-gradient(140deg, #0f192b, #0c1322);
  border: 1px solid #182840;
  border-radius: 14px;
  padding: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.recent-list .host { font-weight: 700; }
.recent-list .days { color: var(--muted); font-size: 14px; }
.recent-list .status-pill {
  padding: 5px 9px;
  border-radius: 10px;
  font-size: 12.5px;
  color: #03101d;
  background: var(--primary);
  font-weight: 700;
}
.recent-list .status-pill.expired { background: var(--danger); color: #fff; }

.flex-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
}


.skeleton {
  height: 120px;
  border-radius: 12px;
  background: linear-gradient(90deg, #0f1729 25%, #142341 37%, #0f1729 63%);
  background-size: 400% 100%;
  animation: shimmer 1.2s ease-in-out infinite;
}
@keyframes shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .content.two-col { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { flex-direction: column; }
  button.primary { width: 100%; }
  .hero-copy { padding: 22px 18px; }
  .hero-card { padding: 20px; }
  .result-grid { grid-template-columns: 1fr; }
  .page-shell { padding: 26px 16px 48px; }
}