:root {
  --ui-bg: #f8fafd;
  --ui-surface: rgba(255, 255, 255, 0.98);
  --ui-surface-soft: rgba(248, 249, 250, 0.94);
  --ui-ink: #202124;
  --ui-muted: #5f6368;
  --ui-border: rgba(32, 33, 36, 0.12);
  --ui-border-strong: rgba(32, 33, 36, 0.16);
  --ui-primary: #1a73e8;
  --ui-primary-soft: #e8f0fe;
  --ui-success: #137333;
  --ui-success-soft: #e6f4ea;
  --ui-warn: #b06000;
  --ui-warn-soft: #fef7e0;
  --ui-danger: #c5221f;
  --ui-danger-soft: #fce8e6;
  --ui-shadow: 0 1px 2px rgba(60, 64, 67, 0.16), 0 8px 24px rgba(60, 64, 67, 0.08);
  --ui-shadow-hover: 0 2px 6px rgba(60, 64, 67, 0.2), 0 14px 32px rgba(60, 64, 67, 0.12);
  --ui-radius-xl: 28px;
  --ui-radius-lg: 20px;
  --ui-radius-md: 16px;
  --ui-radius-sm: 12px;
  --ui-transition: 160ms ease;
}

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

html {
  color-scheme: light;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: "Google Sans", "Google Sans Text", "Noto Sans SC", "Segoe UI", sans-serif;
  color: var(--ui-ink);
  background:
    radial-gradient(circle at top left, rgba(26, 115, 232, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(52, 168, 83, 0.08), transparent 18%),
    linear-gradient(180deg, #f8fafd 0%, #eef3f9 100%);
}

main {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

a {
  color: var(--ui-primary);
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
.button-link,
.action-link,
.upload-trigger,
.step-link,
.choice-button,
.link-chip {
  transition:
    transform var(--ui-transition),
    box-shadow var(--ui-transition),
    background var(--ui-transition),
    color var(--ui-transition),
    border-color var(--ui-transition);
}

button:hover:not(:disabled),
.button-link:hover,
.action-link:hover,
.upload-trigger:hover,
.step-link:hover,
.choice-button:hover,
.link-chip:hover {
  transform: translateY(-1px);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible,
.button-link:focus-visible,
.action-link:focus-visible,
.upload-trigger:focus-visible,
.choice-button:focus-visible {
  outline: 3px solid rgba(26, 115, 232, 0.22);
  outline-offset: 2px;
}

button,
.button-link,
.action-link,
.upload-trigger {
  border-radius: 999px;
}

button,
.button-link,
.action-link {
  min-height: 44px;
  padding: 0 20px;
  border: none;
  background: var(--ui-primary);
  color: #fff;
  font-weight: 600;
  box-shadow: none;
  text-decoration: none;
  cursor: pointer;
}

button.secondary,
.button-link.secondary {
  background: var(--ui-surface);
  color: var(--ui-ink);
  border: 1px solid var(--ui-border-strong);
}

button.secondary:hover:not(:disabled),
.button-link.secondary:hover {
  background: #f8fbff;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  border-radius: var(--ui-radius-sm);
  border: 1px solid var(--ui-border-strong);
  background: rgba(255, 255, 255, 0.98);
  color: var(--ui-ink);
  padding: 12px 14px;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.card,
.panel {
  background: var(--ui-surface);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius-xl);
  box-shadow: var(--ui-shadow);
}

.status,
.auth-inline-status {
  border-radius: var(--ui-radius-md);
  border: 1px solid var(--ui-border);
  background: var(--ui-surface-soft);
}

.status.ok,
.auth-inline-status.success {
  background: var(--ui-primary-soft);
  border-color: rgba(26, 115, 232, 0.18);
  color: var(--ui-primary);
}

.status.warn {
  background: var(--ui-warn-soft);
  border-color: rgba(176, 96, 0, 0.18);
  color: var(--ui-warn);
}

.status.error,
.auth-inline-status.error {
  background: var(--ui-danger-soft);
  border-color: rgba(197, 34, 31, 0.18);
  color: var(--ui-danger);
}

.pill,
.mini-chip,
.status-chip,
.overview-badge,
.link-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--ui-primary-soft);
  color: var(--ui-primary);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.page-shell,
.workspace-shell,
.login-shell {
  padding: 32px 0 56px;
}

.page-hero,
.workspace-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 18px;
  margin-bottom: 20px;
}

.page-hero-card,
.workspace-hero-card {
  padding: 28px;
}

.page-kicker,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ui-primary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-title {
  margin: 10px 0 8px;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.04;
  font-weight: 700;
}

.page-subtitle,
.subtle,
.muted,
.workspace-caption {
  color: var(--ui-muted);
  line-height: 1.65;
}

.metric-grid,
.summary-grid,
.panel-grid {
  display: grid;
  gap: 12px;
}

.metric-grid {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.metric-card,
.summary-cell,
.mini-card,
.metric,
.log-item,
.item,
.user-card,
.history-item,
.result-item,
.download-item {
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius-lg);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: none;
}

.metric-card,
.summary-cell {
  padding: 14px 16px;
}

.metric-value,
.summary-value {
  margin-top: 8px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ui-ink);
}

.metric-label,
.summary-label {
  color: var(--ui-muted);
  font-size: 0.84rem;
}

.toolbar,
.page-actions,
.actions,
.candidate-actions,
.history-actions,
.button-row,
.choice-row,
.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.toolbar button,
.page-actions button,
.actions button,
.actions a,
.candidate-actions button,
.candidate-actions a,
.history-actions a {
  width: auto;
}

.app-surface {
  padding: 18px;
  border-radius: 32px;
  border: 1px solid rgba(32, 33, 36, 0.1);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 10px 30px rgba(60, 64, 67, 0.1);
  backdrop-filter: blur(14px);
}

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

.section-heading h2,
.section-heading h3 {
  margin-bottom: 0;
}

.nav-strip,
.overview-grid,
.tab-row {
  padding: 8px;
  border-radius: var(--ui-radius-lg);
  border: 1px solid var(--ui-border);
  background: #f1f3f4;
}

.wizard-stage.active,
.auth-panel.active,
.auth-login-step.active,
.auth-flow-panel.active,
#history-card.active {
  animation: ui-rise 180ms ease;
}

@keyframes ui-rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .page-hero,
  .workspace-hero {
    grid-template-columns: 1fr;
  }

  .toolbar,
  .page-actions,
  .actions,
  .candidate-actions,
  .history-actions,
  .button-row,
  .choice-row,
  .link-row {
    flex-direction: column;
  }

  .toolbar button,
  .page-actions button,
  .actions button,
  .actions a,
  .candidate-actions button,
  .candidate-actions a,
  .history-actions a {
    width: 100%;
  }
}