:root {
  color-scheme: light;
  --bg: #f3f6fa;
  --panel: #ffffff;
  --text: #172033;
  --muted: #657087;
  --line: #dce3ec;
  --primary: #3157d5;
  --primary-dark: #2444ad;
  --primary-soft: #edf1ff;
  --success: #117a55;
  --success-soft: #eaf8f2;
  --warning: #8a4a00;
  --warning-soft: #fff5e8;
  --danger: #b42318;
  --danger-soft: #fff0ee;
  --shadow: 0 8px 22px rgba(26, 43, 74, 0.07);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  letter-spacing: 0;
}

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

button {
  cursor: pointer;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: none;
  margin: 0;
  padding: 14px 10px;
  border-bottom: 1px solid rgba(125, 149, 192, 0.22);
  background: #101827;
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.16);
  color: #fff;
}

.topbar-title {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.topbar-actions,
.card-heading-actions,
.button-row,
.block-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.eyebrow {
  margin: 0;
  color: #93c5fd;
  font-size: 0.72rem;
  font-weight: 780;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 0;
  font-size: 1.45rem;
  line-height: 1.1;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h2 {
  margin-bottom: 0;
  font-size: 1rem;
}

h3 {
  margin-bottom: 8px;
  font-size: 0.98rem;
}

.subtitle {
  max-width: 780px;
  margin-bottom: 0;
  color: #cbd5e1;
  font-size: 0.9rem;
}

.version,
.feedback-link {
  display: inline-flex;
  min-height: 31px;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border: 1px solid rgba(147, 197, 253, 0.35);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.36);
  color: #dbeafe;
  font-size: 0.78rem;
  font-weight: 800;
  text-decoration: none;
}

.version {
  background: rgba(49, 87, 213, 0.22);
  color: #bfdbfe;
}

.feedback-link:hover,
.feedback-link:focus {
  border-color: rgba(147, 197, 253, 0.68);
  background: rgba(49, 87, 213, 0.3);
}

.layout {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 10px 12px 24px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(330px, 1fr) minmax(0, 2fr);
  gap: 12px;
  align-items: start;
}

.app-page {
  display: none;
}

.app-page.active {
  display: grid;
}

#input-page {
  grid-template-columns: minmax(0, 1180px);
  justify-content: center;
}

#plan-page {
  grid-template-columns: minmax(0, 1fr);
}

.plan-card {
  grid-column: 1 / -1;
}

#planner-form {
  display: grid;
  gap: 10px;
  width: 100%;
}

.card {
  min-width: 0;
  padding: 12px;
  border: 1px solid rgba(220, 227, 236, 0.9);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.output-card {
  position: sticky;
  top: 22px;
  max-height: calc(100vh - 44px);
  overflow: auto;
}

.card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.card-heading > div:first-child {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
}

.step {
  display: inline-flex;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  margin: 0;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 900;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.embedded-grid {
  margin-bottom: 10px;
}

.product-editor {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid rgba(220, 227, 236, 0.9);
  border-radius: var(--radius);
  background: #fbfcfe;
}

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

.subheading h3 {
  margin: 0;
}

.participant-groups {
  display: grid;
  gap: 7px;
}

.participant-row {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) 96px 34px;
  gap: 7px;
}

.field {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.field-wide {
  grid-column: 1 / -1;
}

.field span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--text);
  outline: none;
}

textarea {
  min-height: 38px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(49, 87, 213, 0.55);
  box-shadow: 0 0 0 3px rgba(49, 87, 213, 0.13);
}

.button {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 7px 11px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 0.8rem;
  font-weight: 850;
}

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

.button-primary:hover {
  background: var(--primary-dark);
}

.button-secondary {
  border-color: rgba(49, 87, 213, 0.24);
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.button-secondary.active,
.button-secondary:hover {
  border-color: rgba(49, 87, 213, 0.45);
  background: #dfe7ff;
}

.button-ghost {
  border-color: var(--line);
  background: #fff;
  color: var(--primary-dark);
}

.button-ghost:hover {
  background: var(--primary-soft);
}

.icon {
  width: 32px;
  min-width: 32px;
  min-height: 32px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--primary-dark);
  font-weight: 900;
}

.icon.danger {
  border-color: #ffd5d1;
  background: var(--danger-soft);
  color: var(--danger);
}

.topic-list {
  display: grid;
  gap: 8px;
}

.topic {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) 82px 82px minmax(170px, 1fr) 34px 34px;
  gap: 8px;
  align-items: start;
  padding: 8px;
  border: 1px solid rgba(220, 227, 236, 0.9);
  border-radius: var(--radius);
  background: #fbfcfe;
}

.status {
  min-height: 24px;
  margin: 8px 0;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.warnings p {
  margin-bottom: 7px;
  padding: 8px 10px;
  border-left: 4px solid var(--warning);
  border-radius: 6px;
  background: var(--warning-soft);
  color: var(--warning);
  font-size: 0.83rem;
  font-weight: 750;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 10px 0;
}

.metric {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfe;
}

.metric span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 850;
}

.metric strong {
  color: var(--text);
  font-size: 1rem;
}

.product-summary {
  display: grid;
  gap: 8px;
  margin: 10px 0;
}

.product-summary-card {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfe;
}

.product-summary-card span {
  color: var(--muted);
  font-size: 0.82rem;
}

.product-summary-card div {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.product-summary-card b {
  padding: 4px 7px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.76rem;
}

.output-wrap {
  margin-top: 10px;
  border: 1px solid rgba(220, 227, 236, 0.9);
  border-radius: var(--radius);
  background: #f8fafc;
}

.output-content {
  padding: 10px;
  font-size: 0.86rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px solid rgba(220, 227, 236, 0.85);
}

.summary-row:last-child {
  border-bottom: 0;
}

.week {
  display: grid;
  grid-template-columns: repeat(4, minmax(205px, 1fr));
  gap: 8px;
  overflow-x: auto;
}

.day {
  min-height: 480px;
  padding: 9px;
  border: 1px solid rgba(220, 227, 236, 0.9);
  border-radius: var(--radius);
  background: #f8fafc;
}

.block {
  display: flex;
  min-height: 70px;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  padding: 9px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--primary);
  border-radius: 7px;
  background: #fff;
}

.block.training {
  border-left-color: var(--success);
}

.block.break {
  border-left-color: #b06a00;
}

.block.lunch {
  border-left-color: #7c3aed;
}

.block.arrival,
.block.departure {
  border-left-color: #64748b;
}

.block strong,
.block span {
  display: block;
}

.block strong {
  overflow-wrap: anywhere;
  font-size: 0.88rem;
}

.block span,
.muted {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.78rem;
}

.preview-page {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 14px;
}

td {
  padding: 7px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

td:first-child {
  width: 120px;
  color: var(--muted);
  font-weight: 750;
}

footer {
  padding: 10px 12px 18px;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}

@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .output-card {
    position: static;
    max-height: none;
  }
}

@media (max-width: 760px) {
  .field-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .topic {
    grid-template-columns: 1fr 86px;
  }

  .participant-row {
    grid-template-columns: 1fr 82px 34px;
  }
}