:root {
  --ui-surface: rgba(255, 255, 255, 0.92);
  --ui-surface-strong: rgba(255, 255, 255, 0.98);
  --ui-border: rgba(20, 23, 27, 0.12);
  --ui-border-soft: rgba(20, 23, 27, 0.08);
  --ui-shadow-sm: 0 10px 24px rgba(20, 23, 27, 0.06);
  --ui-shadow-md: 0 16px 34px rgba(20, 23, 27, 0.1);
  --ui-radius-md: 14px;
  --ui-radius-lg: 18px;
  --ui-gap: 18px;
  --ui-section-pad: clamp(16px, 2.4vw, 26px);
}

body.embed-mode {
  background: radial-gradient(circle at 14% -20%, var(--glow, rgba(36, 137, 255, 0.2)), var(--bg) 52%);
}

body.embed-mode .message {
  color: var(--text);
}

body.embed-mode .message-error {
  color: var(--error);
}

body.embed-mode .message-success {
  color: var(--success);
}

body.embed-mode a {
  color: var(--accent);
}

body.embed-mode a:hover,
body.embed-mode a:focus {
  color: var(--accent-secondary);
}

body.embed-mode .week-day {
  background: var(--ui-surface);
  border-color: var(--ui-border);
}

body.embed-mode .week-day-title {
  background: var(--ui-surface-strong);
  border-bottom-color: var(--ui-border);
  color: var(--text);
}

body.embed-mode .week-day-date,
body.embed-mode .week-event-time,
body.embed-mode .week-event-meta {
  color: var(--muted);
}

body.embed-mode .week-day-body {
  background: var(--panel);
  color: var(--text);
  border-radius: 0 0 12px 12px;
  flex: 1;
}

body.embed-mode .week-event {
  background: var(--accent-light);
  border-color: var(--ui-border);
  color: var(--text);
}

body.embed-mode .week-day-badge {
  background: var(--panel);
  border-color: var(--accent);
  color: var(--accent);
}

body.embed-mode .sidebar {
  background: var(--ui-surface);
  border-right-color: var(--ui-border);
  box-shadow: inset -1px 0 0 var(--ui-border-soft);
}

body.embed-mode .sidebar-title {
  color: var(--muted);
}

body.embed-mode .sidebar-nav {
  gap: 8px;
}

body.embed-mode .nav-link {
  color: var(--text);
  border: 1px solid transparent;
  background: transparent;
}

body.embed-mode .nav-link:hover {
  background: var(--accent-light);
  border-color: var(--ui-border);
}

body.embed-mode .sidebar .link-button {
  width: 100%;
  margin-top: 12px;
  border-color: var(--ui-border);
  background: var(--ui-surface-strong);
  color: var(--text);
}

body.embed-mode .sidebar .link-button:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 20px rgba(20, 23, 27, 0.12);
}

body.embed-mode .overlay__content {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--ui-border);
}

body.embed-mode .overlay__message {
  color: var(--text);
}

body.embed-mode .overlay__close {
  color: var(--muted);
}

body.embed-mode .overlay__close:hover,
body.embed-mode .overlay__close:focus {
  color: var(--text);
}

body.embed-mode .button-secondary {
  background: var(--panel);
  color: var(--text);
  border-color: var(--ui-border);
}

body.embed-mode .button-secondary:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--text);
}

.embed-nav-toggle {
  display: none;
  width: 100%;
  margin: 0 0 10px;
}

.ui-auth-card {
  max-width: 720px;
  margin: 0 auto;
}

body.embed-mode .ui-auth-card {
  background: var(--ui-surface);
  border-color: var(--ui-border);
}

body.embed-mode .ui-auth-card :is(input, select, textarea) {
  background: var(--panel);
  color: var(--text);
  border-color: var(--ui-border);
}

body.embed-mode .ui-auth-card :is(input, select, textarea)::placeholder {
  color: var(--muted);
}

body.embed-mode .ui-auth-card .page-title,
body.embed-mode .ui-auth-card .page-description,
body.embed-mode .ui-auth-card label {
  color: var(--text);
}

body.embed-mode .ui-auth-card .page-description {
  color: var(--muted);
}

body.embed-mode .ui-auth-card .link-button {
  background: var(--panel);
  border-color: var(--ui-border);
  color: var(--text);
}

body.embed-mode .ui-auth-card .link-button:hover {
  border-color: var(--accent);
  background: var(--accent-light);
}

body.embed-mode .ui-auth-card .password-toggle {
  color: var(--muted);
}

body.embed-mode .ui-auth-card .password-toggle:hover {
  color: var(--text);
}

body.embed-mode .ui-auth-note a {
  color: var(--accent);
}

.embed-theme-form {
  margin-top: 8px;
}

.embed-theme-mode {
  display: flex;
  gap: 10px 14px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.embed-theme-mode-options {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.button-secondary.is-copied {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--text);
}

.embed-snippet-separator {
  height: 1px;
  background: var(--ui-border);
  margin: 2px 0 6px;
}

.embed-individual-snippets {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--ui-border);
  border-radius: 12px;
  display: grid;
  gap: 10px;
}

.embed-individual-snippets legend {
  padding: 0 8px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.embed-theme-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.embed-theme-field {
  display: grid;
  gap: 8px;
}

.embed-theme-inputs {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 10px;
  align-items: center;
}

.embed-theme-inputs input[type="color"] {
  width: 52px;
  height: 38px;
  border: 1px solid var(--ui-border);
  border-radius: 10px;
  padding: 2px;
  background: var(--ui-surface);
}

.embed-theme-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.embed-theme-preview-wrap {
  border: 1px solid var(--ui-border);
  border-radius: 14px;
  background: var(--ui-surface);
  padding: 12px;
  width: 100%;
}

.embed-theme-preview {
  --bg: #f4f5f3;
  --panel: #ffffff;
  --text: #14171b;
  --muted: #6b7078;
  --border: rgba(20, 23, 27, 0.08);
  --accent: #2489ff;
  --accent-secondary: #2cc9cd;
  --accent-light: #e6f5ff;
  --preview-glow: rgba(36, 137, 255, 0.2);
  background: radial-gradient(circle at 14% -20%, var(--preview-glow), var(--bg) 52%);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  color: var(--text);
}

.embed-theme-preview h4 {
  margin: 0;
}

.embed-theme-preview p {
  margin: 0;
  color: var(--muted);
}

.embed-theme-kicker {
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.embed-theme-preview-hero {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
}

.embed-theme-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.embed-theme-preview-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
  padding: 10px;
  display: grid;
  gap: 8px;
}

.embed-theme-preview-card strong {
  line-height: 1.2;
}

.embed-theme-preview-card button {
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: #fff;
  font-weight: 600;
  padding: 8px 10px;
}

.embed-theme-chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--accent-light);
  color: var(--text);
  padding: 4px 8px;
  font-size: 0.8rem;
}

.embed-theme-warnings {
  border: 1px solid var(--ui-border);
  border-radius: 14px;
  background: var(--ui-surface);
  padding: 12px;
}

.embed-theme-warnings h4 {
  margin: 0 0 6px;
}

.embed-contrast-row {
  border: 1px solid var(--ui-border);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 0.9rem;
}

.embed-contrast-row--ok {
  background: rgba(46, 125, 50, 0.09);
  border-color: rgba(46, 125, 50, 0.36);
}

.embed-contrast-row--warn {
  background: rgba(178, 106, 0, 0.1);
  border-color: rgba(178, 106, 0, 0.4);
}

.embed-contrast-row--error {
  background: rgba(179, 38, 30, 0.1);
  border-color: rgba(179, 38, 30, 0.38);
}

.ui-hero {
  border-radius: var(--ui-radius-lg);
  border: 1px solid var(--ui-border-soft);
  box-shadow: var(--ui-shadow-sm);
  overflow: clip;
  padding: 26px 22px;
}

.ui-section {
  border-radius: var(--ui-radius-lg);
  margin: 18px 0;
  padding: var(--ui-section-pad);
}

.ui-section-divider {
  padding-top: 18px;
  border-top: 1px solid var(--ui-border-soft);
}

.ui-section-divider .surface {
  height: 100%;
}

.ui-kicker {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.74rem;
  color: rgba(20, 23, 27, 0.62);
  margin: 0 0 8px;
}

.ui-head {
  display: grid;
  gap: 10px;
  max-width: 74ch;
  margin-bottom: 16px;
}

.ui-head > :is(h1, h2, h3) {
  margin: 0;
}

.ui-head > p {
  margin: 0;
}

.ui-muted {
  color: rgba(20, 23, 27, 0.68);
}

.ui-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--ui-gap);
}

.ui-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.ui-grid-2-compact {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.ui-card {
  background: var(--ui-surface);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius-md);
  padding: 18px;
  box-shadow: var(--ui-shadow-sm);
}

.ui-card-soft {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--ui-border);
  background: var(--ui-surface);
}

.ui-card-soft--feature h2 {
  margin: 0 0 10px;
  font-size: 1.3rem;
  line-height: 1.2;
}

.ui-card-soft--feature p {
  margin: 0 0 12px;
  color: rgba(20, 23, 27, 0.68);
}

.ui-card-soft--compact {
  padding: 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
}

.ui-card-soft--compact h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.ui-card-soft--compact p {
  margin: 0;
  color: rgba(20, 23, 27, 0.68);
  font-size: 0.95rem;
}

.ui-card h3 {
  margin: 0 0 8px;
}

.ui-card p:last-child {
  margin-bottom: 0;
}

.ui-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.onboarding-stepper {
  display: grid;
  gap: 8px;
}

.onboarding-step {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--ui-border);
  border-radius: 10px;
  background: var(--ui-surface);
  padding: 8px 10px;
}

.onboarding-step:not(.is-current):not(.is-complete) {
  opacity: 0.32;
}

.onboarding-step-index {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ui-border);
  font-weight: 700;
  font-size: 0.82rem;
}

.onboarding-step-text {
  display: grid;
  gap: 2px;
}

.onboarding-step-text strong {
  line-height: 1.2;
}

.onboarding-step-text span {
  font-size: 0.82rem;
  color: var(--muted);
}

.onboarding-step.is-current {
  border-color: var(--accent);
  background: var(--accent-light);
}

.onboarding-step.is-current .onboarding-step-index {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--panel);
}

.onboarding-step.is-complete .onboarding-step-index {
  border-color: rgba(46, 125, 50, 0.4);
  color: var(--success);
}

.onboarding-panel {
  display: grid;
  gap: 12px;
}

.onboarding-kicker {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.74rem;
  color: var(--muted);
  margin: 0 0 8px;
}

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

.onboarding-participant-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: end;
}

.onboarding-participant-field {
  display: grid;
  gap: 6px;
}

.onboarding-step-actions {
  display: flex;
  justify-content: flex-end;
}

.onboarding-session-picker {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.onboarding-picker-column {
  display: grid;
  gap: 8px;
  align-content: start;
}

.onboarding-picker-title {
  margin: 0;
  font-size: 0.95rem;
}

.onboarding-option-grid {
  display: grid;
  gap: 8px;
}

.onboarding-option-card {
  border: 1px solid var(--ui-border);
  border-radius: 12px;
  background: var(--ui-surface);
  padding: 10px 12px;
  display: grid;
  gap: 4px;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.onboarding-option-card strong {
  line-height: 1.2;
}

.onboarding-option-card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.onboarding-option-card:hover {
  border-color: var(--accent);
}

.onboarding-option-card.is-selected {
  border-color: var(--accent);
  background: var(--accent-light);
  box-shadow: inset 0 0 0 1px rgba(36, 137, 255, 0.12);
}

.onboarding-option-card.is-disabled {
  cursor: not-allowed;
  opacity: 0.52;
  background: color-mix(in srgb, var(--ui-surface) 70%, #b7bdc7 30%);
  border-color: var(--ui-border-soft);
}

.onboarding-option-card.is-disabled:hover {
  border-color: var(--ui-border-soft);
}

.onboarding-session-group {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--ui-border);
  border-radius: 12px;
}

.onboarding-session-group legend {
  padding: 0 6px;
  font-size: 0.84rem;
  color: var(--muted);
}

.onboarding-step-compact {
  border: 1px solid var(--ui-border-soft);
  border-radius: 8px;
  background: var(--panel);
  padding: 6px 8px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

@supports (background: color-mix(in srgb, white 50%, transparent)) {
  .onboarding-step-compact {
    background: color-mix(in srgb, var(--panel) 62%, transparent);
  }
}

.onboarding-step-compact-main {
  display: grid;
  gap: 2px;
  min-width: 0;
  opacity: 0.62;
}

.onboarding-step-compact-line {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  line-height: 1.2;
}

.onboarding-step-compact-line strong {
  font-size: 0.82rem;
}

.onboarding-step-compact-line span {
  color: var(--muted);
}

.onboarding-step-compact-detail {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.2;
}

.onboarding-overview {
  border: 1px solid var(--ui-border);
  border-radius: 12px;
  background: var(--ui-surface);
  padding: 12px;
}

.onboarding-overview h4 {
  margin: 0;
}

.onboarding-overview-grid {
  display: grid;
  gap: 8px;
}

.onboarding-overview-item {
  border: 1px solid var(--ui-border-soft);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.68);
  padding: 6px 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  min-height: 38px;
}

.onboarding-overview-item p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.2;
}

.onboarding-overview-item strong {
  font-size: 0.82rem;
  line-height: 1.1;
}

.onboarding-overview-item.is-placeholder {
  opacity: 0;
  pointer-events: none;
}

.onboarding-overview-item.is-complete {
  border-color: var(--ui-border);
  background: var(--panel);
  opacity: 1;
}

.onboarding-overview-detail {
  margin-top: 2px;
  font-size: 0.76rem;
}

.onboarding-overview-edit {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
}

.onboarding-overview-edit:hover,
.onboarding-overview-edit:focus {
  text-decoration: underline;
}

.onboarding-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--ui-border);
  padding-top: 12px;
  margin-top: 4px;
}

.ui-cta {
  border-radius: var(--ui-radius-lg);
  border: 1px solid var(--ui-border);
  box-shadow: var(--ui-shadow-md);
  background: linear-gradient(180deg, var(--ui-surface-strong), var(--ui-surface));
  padding: clamp(18px, 2.6vw, 28px);
}

.ui-section-highlight {
  padding: 24px 24px 28px;
  border-radius: 18px;
  border: 1px solid var(--ui-border-soft);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(245, 251, 255, 0.94));
}

.ui-quote {
  border: 1px solid rgba(20, 23, 27, 0.14);
  box-shadow: var(--ui-shadow-sm);
  border-radius: var(--ui-radius-md);
  background:
    radial-gradient(520px 180px at 12% 8%, rgba(35, 137, 255, 0.16), transparent 62%),
    radial-gradient(420px 160px at 88% 14%, rgba(47, 201, 204, 0.14), transparent 64%),
    linear-gradient(150deg, rgba(255, 255, 255, 0.98), rgba(242, 248, 255, 0.96));
  padding: clamp(14px, 2vw, 22px);
}

.ui-quote p:last-child {
  margin-bottom: 0;
}

.ui-quote-by {
  margin-top: 8px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(20, 23, 27, 0.55);
}

.ui-list-check {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.ui-list-check-item {
  display: flex;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--ui-border);
  border-radius: 12px;
  background: var(--ui-surface);
  color: rgba(20, 23, 27, 0.75);
  font-size: 0.95rem;
}

.ui-list-check-item strong {
  color: rgba(20, 23, 27, 0.95);
}

.ui-check {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  background: rgba(46, 125, 50, 0.12);
  border: 1px solid rgba(46, 125, 50, 0.3);
  flex: 0 0 auto;
  position: relative;
  margin-top: 1px;
}

.ui-check::after {
  content: "";
  position: absolute;
  top: 5px;
  left: 4px;
  width: 8px;
  height: 4px;
  border-left: 2px solid rgba(46, 125, 50, 0.95);
  border-bottom: 2px solid rgba(46, 125, 50, 0.95);
  transform: rotate(-45deg);
}

.ui-section-title {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

@media (max-width: 1024px) {
  .ui-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 740px) {
  .ui-section {
    margin: 14px 0;
  }

  .ui-section-divider {
    padding-top: 14px;
  }

  .ui-grid-3 {
    grid-template-columns: 1fr;
  }

  .ui-grid-2,
  .ui-grid-2-compact {
    grid-template-columns: 1fr;
  }

  .ui-section-highlight {
    padding: 16px;
  }

  .ui-card {
    padding: 16px;
  }

  .embed-theme-grid,
  .embed-theme-layout,
  .embed-theme-preview-grid {
    grid-template-columns: 1fr;
  }

  .onboarding-session-picker {
    grid-template-columns: 1fr;
  }

  body.embed-mode .embed-nav-toggle {
    display: inline-flex;
    justify-content: center;
    margin: 0;
  }

  body.embed-mode .sidebar {
    padding: 10px 12px;
  }

  body.embed-mode .sidebar .sidebar-nav,
  body.embed-mode .sidebar form.inline-form {
    display: none;
  }

  body.embed-mode .sidebar.is-open .sidebar-nav,
  body.embed-mode .sidebar.is-open form.inline-form {
    display: grid;
  }
}