:root {
  --bg-base: #f4f4f5;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f4f4f5;
  --bg-elevated: #ffffff;
  --text-primary: #18181b;
  --text-secondary: #71717a;
  --border-light: #e4e4e7;
  --border-strong: #d4d4d8;
  --accent-primary: #0ea5e9;
  --accent-hover: #0284c7;
  --accent-subtle: #e0f2fe;
  --status-success: #10b981;
  --status-danger: #ef4444;
  --status-warning: #f59e0b;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --font-main: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-base: #09090b;
    --bg-surface: #18181b;
    --bg-surface-hover: #27272a;
    --bg-elevated: #27272a;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --border-light: #27272a;
    --border-strong: #3f3f46;
    --accent-primary: #38bdf8;
    --accent-hover: #7dd3fc;
    --accent-subtle: rgba(56, 189, 248, 0.15);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-main);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

code {
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
  background: var(--bg-surface-hover);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.dashboard-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.dashboard-header {
  padding: 24px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-surface);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--accent-subtle);
  color: var(--accent-primary);
  font-weight: 800;
}

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

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy span {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.dashboard-content {
  width: min(1400px, calc(100% - 48px));
  margin: 0 auto;
  padding: 24px 0 64px;
}

.masthead {
  margin-bottom: 18px;
  padding: 0 2px;
}

.masthead h1 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.hero-copy-block,
.auth-banner,
.tool-card,
.panel-card,
.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.eyebrow,
.section-kicker,
.tool-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
}

.section {
  margin-bottom: 40px;
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading h2 {
  margin: 6px 0 4px;
  font-size: 1.55rem;
}

.section-desc {
  margin: 0;
  color: var(--text-secondary);
}

.filter-bar {
  margin-bottom: 20px;
  padding: 16px 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.filter-bar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.filter-summary {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.filter-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  color: var(--text-primary);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.filter-chip:hover,
.filter-chip:focus-visible {
  transform: translateY(-1px);
  border-color: var(--accent-primary);
}

.filter-chip strong {
  min-width: 1.5em;
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.filter-chip.is-active {
  background: var(--accent-subtle);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.16);
}

.filter-chip.is-active strong {
  color: inherit;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.tool-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

.tool-card-header,
.tool-card-footer,
.auth-banner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.tool-icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--accent-subtle);
  color: var(--accent-primary);
  font-size: 1.5rem;
  flex: 0 0 auto;
}

.tool-card-body {
  display: grid;
  gap: 10px;
}

.tool-card-body h3,
.panel-card h2 {
  margin: 0;
  font-size: 1.18rem;
}

.tool-card-body p,
.panel-card p,
.auth-info p,
.dashboard-footer p,
.meta-label {
  margin: 0;
  color: var(--text-secondary);
}

.tool-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-tag,
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.tool-tag {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.badge-primary {
  background: var(--accent-subtle);
  color: var(--accent-primary);
}

.badge-neutral {
  background: var(--bg-surface-hover);
  color: var(--text-secondary);
}

.badge-outline {
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
}

.meta-label {
  font-size: 0.85rem;
}

.tool-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-primary);
  font-weight: 700;
}

.tool-card-link::after {
  content: "→";
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent-primary);
  color: #ffffff;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--accent-hover);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.button-secondary {
  background: var(--bg-surface);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: var(--bg-surface-hover);
}

.auth-banner {
  padding: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.auth-banner-request {
  margin-top: -8px;
}

.auth-info {
  display: grid;
  gap: 6px;
}

.auth-info h2 {
  margin: 0;
  font-size: 1.25rem;
}

.auth-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

#sign-in-slot iframe,
#sign-in-slot div {
  max-width: 100%;
}

.panel-card {
  padding: 24px;
}

.request-toolbar,
.request-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
}

.request-field {
  min-width: 180px;
  display: grid;
  gap: 6px;
}

.request-field span {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
}

.request-field input,
.request-field select {
  min-height: 44px;
  padding: 0 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: var(--bg-surface);
  color: var(--text-primary);
}

.dashboard-footer {
  margin-top: auto;
  padding: 20px 5% 32px;
  color: var(--text-secondary);
  text-align: center;
}

@media (max-width: 720px) {
  .dashboard-header,
  .dashboard-content {
    width: min(calc(100% - 20px), 1400px);
    padding-left: 0;
    padding-right: 0;
  }

  .dashboard-header {
    width: 100%;
    padding: 14px 16px;
    gap: 12px;
  }

  .tool-card,
  .auth-banner,
  .panel-card,
  .filter-bar {
    padding: 16px;
  }

  .tool-card-header,
  .tool-card-footer,
  .auth-banner,
  .filter-bar-header,
  .request-toolbar,
  .request-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .tools-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .button {
    width: 100%;
  }

  .brand-mark {
    gap: 10px;
  }

  .brand-badge {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    font-size: 0.9rem;
  }

  .brand-copy strong {
    font-size: 0.92rem;
  }

  .brand-copy span {
    font-size: 0.78rem;
  }

  .section-heading h2 {
    font-size: 1.18rem;
  }

  .section-desc {
    font-size: 0.92rem;
  }

  .auth-actions {
    width: 100%;
  }

  .filter-chip-list {
    gap: 8px;
  }

  .filter-chip {
    width: 100%;
    justify-content: space-between;
  }

  #sign-in-slot,
  #sign-in-slot > div,
  #sign-in-slot iframe {
    width: 100% !important;
    max-width: 100% !important;
  }

  .dashboard-footer {
    padding: 16px 18px 28px;
    font-size: 0.82rem;
  }
}