:root {
  color-scheme: light;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: #f6f7fb;
  color: #0f172a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.page {
  min-height: 100vh;
  background: radial-gradient(circle at top, #e5ecff, #f6f7fb 55%);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e2e8f0;
}

.brand {
  font-weight: 700;
  font-size: 20px;
}

.nav-links {
  display: flex;
  gap: 12px;
}

.nav-chip {
  padding: 6px 12px;
  background: #0f172a;
  color: #fff;
  border-radius: 999px;
  font-size: 12px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: stretch;
}

.hero-text h1 {
  margin: 0 0 12px;
  font-size: 40px;
  letter-spacing: -0.02em;
}

.hero-text p {
  margin: 0 0 20px;
  color: #475569;
  font-size: 16px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-card {
  padding: 24px;
  border-radius: 20px;
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.metric-label {
  font-size: 13px;
  color: #64748b;
}

.metric-value {
  font-size: 38px;
  font-weight: 700;
}

.metric-sub {
  font-size: 14px;
  color: #1d4ed8;
  font-weight: 600;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
}

.metric-item {
  padding: 12px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.metric-item .label {
  font-size: 12px;
  color: #64748b;
}

.metric-item .value {
  font-weight: 600;
  font-size: 16px;
}

.panel {
  background: #ffffff;
  border-radius: 20px;
  padding: 20px;
  border: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.api-config {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  background: #f8fafc;
  border-radius: 14px;
  border: 1px solid #e2e8f0;
}

.api-label {
  font-size: 12px;
  color: #475569;
}

.api-input {
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  outline: none;
}

.api-input:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.panel-header h2 {
  margin: 0;
  font-size: 18px;
}

.status {
  font-size: 12px;
  color: #475569;
  background: #f1f5f9;
  padding: 6px 10px;
  border-radius: 999px;
}

.text-input {
  width: 100%;
  min-height: 180px;
  resize: vertical;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  padding: 16px;
  font-size: 14px;
  line-height: 1.7;
  outline: none;
}

.text-input:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.panel-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.hint {
  font-size: 12px;
  color: #64748b;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card h3 {
  margin: 0;
  font-size: 16px;
}

.list {
  display: grid;
  gap: 10px;
  font-size: 13px;
  color: #334155;
}

.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: #2563eb;
  color: #ffffff;
}

.btn-primary:hover {
  background: #1d4ed8;
}

.btn-ghost {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  color: #0f172a;
}

.btn-ghost:hover {
  border-color: #94a3b8;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: #0f172a;
  color: #ffffff;
  padding: 12px 16px;
  border-radius: 12px;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all 0.2s ease;
  font-size: 13px;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .nav {
    padding: 16px 20px;
  }

  .container {
    padding: 24px 20px 40px;
  }

  .hero-text h1 {
    font-size: 30px;
  }

  .api-config {
    grid-template-columns: 1fr;
  }
}