:root {
  color-scheme: light;
  --bg: #f7f6f3;
  --bg-alt: #eef1f5;
  --surface: #ffffff;
  --surface-muted: #f2f4f7;
  --text: #111418;
  --muted: #56606b;
  --line: #d7dde4;
  --accent: #1f6feb;
  --accent-soft: rgba(31, 111, 235, 0.12);
  --shadow: 0 18px 40px rgba(17, 20, 24, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --transition: 160ms ease;
}

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

body {
  font-family: "IBM Plex Sans", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

h1,
h2,
h3,
h4 {
  font-family: "Newsreader", serif;
  letter-spacing: 0.2px;
}

p {
  line-height: 1.6;
  color: var(--muted);
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(circle at top right, #ffffff 0%, #f4f7fb 40%, #edf1f6 80%);
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(transparent 94%, rgba(17, 20, 24, 0.04) 95%),
    linear-gradient(90deg, transparent 94%, rgba(17, 20, 24, 0.04) 95%);
  background-size: 80px 80px;
  opacity: 0.4;
}

.wash {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(31, 111, 235, 0.1), transparent 55%);
}

.shell {
  width: min(1200px, 92vw);
  margin: 0 auto;
  padding: 32px 0 80px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--accent);
}

.brand-text {
  display: grid;
  gap: 2px;
  font-size: 0.85rem;
  color: var(--muted);
}

.auth-status {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--muted);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 24px;
  align-items: center;
}

.intro h1 {
  font-size: clamp(1.9rem, 3vw, 3rem);
  margin-bottom: 12px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.metric-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: grid;
  gap: 6px;
  box-shadow: var(--shadow);
}

.metric-card strong {
  font-size: 1.5rem;
}

.stepper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}

.step-button {
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.step-button.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.step-button.locked {
  opacity: 0.5;
  cursor: not-allowed;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.panel-header p {
  margin-top: 6px;
  max-width: 640px;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  position: relative;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 10px 24px rgba(17, 20, 24, 0.05);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.badge {
  background: var(--accent-soft);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.badge.ghost {
  background: var(--surface-muted);
  color: var(--muted);
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
}

input,
select,
textarea {
  background: var(--surface-muted);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 0.95rem;
  transition: border var(--transition), box-shadow var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(31, 111, 235, 0.15);
}

textarea {
  resize: vertical;
  font-family: "IBM Plex Sans", sans-serif;
}

.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.checkbox,
.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.button {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.button.primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(31, 111, 235, 0.25);
}

.button.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.hint {
  font-size: 0.8rem;
  color: var(--muted);
}

.empty-state {
  padding: 20px 0;
  text-align: center;
  color: var(--muted);
}

.analysis-content,
.campaign-content {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.analysis-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.analysis-lists {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.analysis-lists ul,
.analysis-columns ul {
  list-style: none;
  display: grid;
  gap: 6px;
}

.analysis-lists li,
.analysis-columns li {
  background: var(--surface-muted);
  padding: 8px 10px;
  border-radius: 10px;
}

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

.chip {
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.75rem;
  background: var(--accent-soft);
  color: var(--accent);
}

.raw-text {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.raw-text summary {
  cursor: pointer;
  font-weight: 600;
}

.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.summary-card {
  background: var(--surface-muted);
  border-radius: 12px;
  padding: 12px;
  display: grid;
  gap: 4px;
}

.campaign-section {
  display: grid;
  gap: 12px;
}

.campaign-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  display: grid;
  gap: 8px;
}

.list-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.list-inline span {
  background: var(--accent-soft);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
}

.actions {
  display: flex;
}

.insights {
  display: grid;
  gap: 12px;
}

.insight {
  background: var(--surface-muted);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.history-item {
  display: grid;
  gap: 6px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  margin-bottom: 10px;
}

.project-meta {
  display: grid;
  gap: 8px;
}

.project-list {
  display: grid;
  gap: 12px;
}

.project-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  display: grid;
  gap: 8px;
}

.project-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.status-pill {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface-muted);
}

.step-panel {
  display: none;
}

.step-panel.active {
  display: flex;
}

.step-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 8px;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(247, 246, 243, 0.88);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  z-index: 2;
  backdrop-filter: blur(4px);
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: var(--shadow);
}

.login-page {
  display: grid;
  place-items: center;
}

.login-layout {
  width: min(960px, 92vw);
  padding: 48px 0 60px;
}

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

  .step-actions {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .shell {
    padding: 24px 0 60px;
  }

  .button {
    width: 100%;
    text-align: center;
  }
}