:root {
  --palette-bg-primary-core: #ff385c;
  --palette-text-primary: #222222;
  --palette-text-secondary: #6a6a6a;
  --surface: #ffffff;
  --surface-soft: #f2f2f2;
  --border: #d9d9d9;
  --shadow-card: rgba(0, 0, 0, 0.02) 0 0 0 1px, rgba(0, 0, 0, 0.04) 0 2px 6px, rgba(0, 0, 0, 0.1) 0 4px 8px;
  --shadow-hover: rgba(0, 0, 0, 0.08) 0 4px 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Circular", "Airbnb Cereal VF", -apple-system, "Segoe UI", sans-serif;
  color: var(--palette-text-primary);
  background: linear-gradient(180deg, #ffffff 0%, #fff8f9 100%);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--surface);
  box-shadow: var(--shadow-card);
}

.brand-wrap {
  display: grid;
  gap: 2px;
}

.brand {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.44px;
}

.subtitle {
  margin: 0;
  color: var(--palette-text-secondary);
  font-size: 13px;
}

.actions {
  display: flex;
  gap: 10px;
}

.app-shell {
  max-width: 1320px;
  margin: 24px auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 16px;
}

.card {
  background: var(--surface);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  padding: 20px;
}

.sidebar {
  position: sticky;
  top: 92px;
  height: fit-content;
  display: grid;
  gap: 8px;
}

.nav-label {
  margin: 0 0 6px;
}

.nav-item {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--palette-text-primary);
  border-radius: 12px;
  padding: 10px 12px;
  text-align: left;
  font-size: 14px;
  cursor: pointer;
}

.nav-item.active {
  border-color: var(--palette-bg-primary-core);
  background: #fff3f5;
  color: #9d1737;
  font-weight: 600;
}

.content {
  min-width: 0;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

h2 {
  margin: 0 0 14px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.18px;
}

.stack {
  display: grid;
  gap: 10px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  color: var(--palette-text-secondary);
}

input,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--palette-text-primary);
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--palette-bg-primary-core);
  box-shadow: 0 0 0 2px rgba(255, 56, 92, 0.18);
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  transition: 0.2s ease;
}

.btn:hover {
  box-shadow: var(--shadow-hover);
}

.btn-dark {
  background: #222222;
  color: #ffffff;
}

.btn-light {
  background: var(--surface-soft);
  color: var(--palette-text-primary);
}

.btn-primary {
  background: var(--palette-bg-primary-core);
  color: #ffffff;
}

.muted {
  color: var(--palette-text-secondary);
  font-size: 13px;
}

.toggle-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--palette-text-primary);
  font-size: 14px;
  margin-bottom: 10px;
}

.toggle-row input[type="checkbox"] {
  width: auto;
}

#logs {
  margin: 0;
  background: #191919;
  color: #f2f2f2;
  border-radius: 14px;
  padding: 14px;
  min-height: 360px;
  max-height: 62vh;
  overflow: auto;
  font-size: 12px;
  line-height: 1.45;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  background: #222222;
  color: #ffffff;
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: var(--shadow-card);
  font-size: 14px;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

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

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.login-wrap {
  width: min(92vw, 420px);
}

.login-card h2 {
  margin-bottom: 6px;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .nav-item {
    text-align: center;
    padding: 8px 6px;
    font-size: 13px;
  }

  .grid-two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 744px) {
  .topbar {
    padding: 12px 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .actions {
    width: 100%;
  }

  .actions .btn {
    flex: 1;
  }

  .sidebar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}