:root {
  color-scheme: light;
  --bg: #0f172a;
  --surface: #111827;
  --card: #1f2937;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-strong: #0284c7;
  --success: #22c55e;
  --danger: #f97316;
  --border: rgba(148, 163, 184, 0.2);
  --shadow: 0 20px 45px rgba(15, 23, 42, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  background: radial-gradient(circle at top, #1e293b 0%, #0f172a 45%, #020617 100%);
  color: var(--text);
  min-height: 100vh;
}

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

/* App container with max width */
.app-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

header {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

/* Primary navigation pills */
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Individual navigation link */
.nav a {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  font-weight: 600;
  color: var(--text);
  transition: transform 0.15s ease, background 0.15s ease, border 0.15s ease;
}

/* Navigation hover state */
.nav a:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
}

/* Page hero section */
.hero {
  display: grid;
  gap: 12px;
}

.hero h1 {
  font-size: 2.4rem;
  margin: 0;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

/* Responsive card grid */
.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* Feature card layout */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card h3 {
  margin: 0;
  font-size: 1.25rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

/* Card call-to-action button */
.card .button {
  margin-top: auto;
  align-self: flex-start;
  background: var(--accent);
  color: #0b1120;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 999px;
  transition: transform 0.15s ease, background 0.15s ease;
}

/* Card button hover state */
.card .button:hover {
  transform: translateY(-2px);
  background: var(--accent-strong);
}

/* Elevated panel container */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  display: grid;
  gap: 16px;
}

.panel h2 {
  margin: 0;
}

/* Multi-column form row */
.form-row {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

input,
select,
textarea,
button {
  font-family: inherit;
  font-size: 1rem;
}

input,
select,
textarea {
  background: #0b1120;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

button {
  border: none;
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 700;
  cursor: pointer;
  background: var(--accent);
  color: #0b1120;
}

/* Secondary outline button */
button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

/* Destructive action button */
button.danger {
  background: var(--danger);
  color: #0b1120;
}

/* Vertical list stack */
.list {
  display: grid;
  gap: 12px;
}

/* List item card */
.list-item {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  display: grid;
  gap: 8px;
}

.list-item header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Small label badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
}

/* KPI row layout */
.kpi {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* KPI stat chip */
.kpi-card {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border);
}

/* Page footer note */
.footer {
  margin-top: 40px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Simple tabs used on Shadow Work page */
.tabs {
  display: inline-flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Tab button style */
.tab {
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
}

/* Active tab state */
.tab.active {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
}

/* Assistive-only label text */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Small hint paragraph */
.hint {
  margin: 0;
  color: var(--muted);
}

/* Accordion container */
.accordion {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

/* Accordion summary row */
details > summary {
  cursor: pointer;
  list-style: none;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  font-weight: 800;
}

details[open] > summary {
  border-color: rgba(56, 189, 248, 0.35);
}

/* Step title text */
.step-title {
  display: inline-block;
}

/* Step guidance copy */
.step-copy {
  margin: 0;
  color: var(--text);
  line-height: 1.5;
}

/* Utility row with spaced content */
.row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* Wrapping row */
.row-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

/* Secondary heading inside sections */
.subhead {
  margin: 0;
  font-size: 1.05rem;
}

/* Muted text utility */
.muted {
  color: var(--muted);
}

/* Emotion chip wrap */
.chip-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Emotion chip button */
.chip {
  border: 1px solid var(--border);
  background: rgba(31, 41, 55, 0.7);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 700;
}

/* Selected chip state */
.chip.selected {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
}

/* Small chip variant */
.chip.small {
  padding: 4px 10px;
  font-weight: 600;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
}

/* Chip close icon */
.chip-x {
  margin-left: 8px;
  opacity: 0.9;
}

/* Chakra helper panel */
.helper {
  margin-top: 10px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 12px;
  color: var(--muted);
}

.helper-row {
  padding: 4px 0;
}

/* Save feedback text */
.error {
  color: #fca5a5;
  font-weight: 700;
}

.success {
  margin-top: 12px;
  border: 1px solid rgba(34, 197, 94, 0.35);
  border-radius: 14px;
  padding: 12px;
  color: rgba(34, 197, 94, 0.95);
  background: rgba(34, 197, 94, 0.06);
  font-weight: 700;
}

/* Browse layout for Shadow Work */
.browse {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .browse {
    grid-template-columns: 360px 1fr;
    align-items: start;
  }
}

/* Trait list row */
.trait-row {
  width: 100%;
  text-align: left;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text);
  padding: 12px 14px;
}

.trait-title {
  font-weight: 800;
}

.trait-meta {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Log list row */
.log-row {
  width: 100%;
  text-align: left;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text);
  padding: 12px 14px;
  display: grid;
  gap: 10px;
}

.log-preview {
  color: var(--text);
  line-height: 1.4;
}

/* Nested panel inside trait detail */
.panel.nested {
  margin-top: 16px;
}

/* Detail blocks */
.detail-block {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

/* Dialog base */
.dialog::backdrop {
  background: rgba(2, 6, 23, 0.7);
}

.dialog {
  border: none;
  padding: 0;
  background: transparent;
  width: min(560px, calc(100vw - 24px));
}

/* Habit checklist container */
.checkbox-list {
  display: grid;
  gap: 10px;
}

/* Checklist row */
.checkbox-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
}

.checkbox-item label {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Empty state placeholder */
.empty {
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
}