:root {
  --bg-dark: #070a0f;
  --panel-bg: #0e141f;
  --card-border: #1a2333;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --blue-base: #0052ff;
  --cyan-accent: #00d2ff;
  --green-pass: #00e676;
  --red-fail: #ff3366;
  --amber-warn: #ffb300;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container {
  width: 100%;
  max-width: 860px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--card-border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--blue-base), var(--cyan-accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 0 20px rgba(0, 82, 255, 0.4);
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.brand-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.portal-link {
  color: var(--cyan-accent);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 6px 12px;
  border: 1px solid rgba(0, 210, 255, 0.25);
  border-radius: 6px;
  background: rgba(0, 210, 255, 0.05);
  transition: all 0.2s;
}

.portal-link:hover {
  background: rgba(0, 210, 255, 0.15);
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.panel-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

input[type="text"] {
  flex: 1;
  background: #070b12;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 12px 16px;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
  min-width: 0;
}

input[type="text"]:focus {
  border-color: var(--blue-base);
  box-shadow: 0 0 12px rgba(0, 82, 255, 0.3);
}

.btn-scan {
  background: linear-gradient(135deg, var(--blue-base), #003cd1);
  color: #fff;
  border: none;
  padding: 0 24px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  transition: transform 0.1s, box-shadow 0.2s;
}

.btn-scan:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
}

.btn-scan:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.preset-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.preset-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-right: 4px;
}

.pill {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.2s;
}

.pill:hover {
  color: var(--cyan-accent);
  border-color: var(--cyan-accent);
  background: rgba(0, 210, 255, 0.06);
}

/* Result Box */
#scan-result {
  display: none;
}

.status-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-radius: 10px;
  margin-bottom: 20px;
}

.status-pass {
  background: rgba(0, 230, 118, 0.1);
  border: 1px solid rgba(0, 230, 118, 0.3);
  color: var(--green-pass);
}

.status-danger {
  background: rgba(255, 51, 102, 0.12);
  border: 1px solid rgba(255, 51, 102, 0.4);
  color: var(--red-fail);
}

.status-text {
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
}

.score-badge {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.metric-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  padding: 14px;
  border-radius: 8px;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-val {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.security-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.check-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  font-size: 0.88rem;
}

.check-item span.status {
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

footer {
  margin-top: 30px;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

@media (max-width: 600px) {
  .input-group {
    flex-direction: column;
  }
  .btn-scan {
    padding: 12px;
    justify-content: center;
  }
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }
}