.workspace {
  display: grid;
  grid-template-columns: 320px minmax(420px, 1fr) 320px;
  gap: 16px;
  margin-top: 16px;
}

.page {
  display: none;
  width: 100%;
  margin-top: 16px;
}

.page.active {
  display: block;
}

#homePage.active {
  display: grid;
  gap: 16px;
}

.home-layout,
.split-layout,
.settlement-layout,
.analytics-grid {
  display: grid;
  gap: 16px;
}

.home-layout {
  grid-template-columns: minmax(520px, 1fr) 330px;
}

.split-layout {
  grid-template-columns: 330px minmax(520px, 1fr);
}

.analytics-grid {
  grid-template-columns: repeat(2, minmax(320px, 1fr));
}

.side-panel,
.analysis-panel {
  display: grid;
  align-content: start;
  gap: 16px;
}

.analysis-panel section {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  background: var(--panel-strong);
  box-shadow: var(--shadow);
}

.panel-card,
.analysis-panel {
  padding: 18px;
}

.panel-title {
  margin-bottom: 18px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field-grid > * {
  min-width: 0;
}

#courseForm,
#importForm,
#referenceForm,
#childForm,
#userForm {
  display: grid;
  gap: 14px;
}

.form-divider {
  height: 1px;
  background: var(--line);
}

.form-message {
  min-height: 18px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.startup-note {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.compact-action {
  margin-top: 8px;
  min-height: 34px;
  padding: 0 12px;
  cursor: pointer;
}

.form-message.error {
  color: var(--red);
}

.board {
  width: 100%;
  min-height: 690px;
  overflow: hidden;
}

.board-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(22, 113, 93, 0.12);
  background: linear-gradient(180deg, rgba(251, 253, 252, 0.96), rgba(255, 255, 255, 0.94));
}

.smart-duration-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(72px, max-content));
  gap: 8px;
}

.smart-duration-row button,
.smart-template-panel button {
  min-width: 0;
  white-space: normal;
}

.smart-template-panel {
  display: grid;
  gap: 7px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 9px;
  background: var(--panel-strong);
}

.smart-template-panel > span {
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 950;
  overflow-wrap: anywhere;
}

.smart-template-panel div {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, max-content));
  gap: 8px;
}

.smart-panel {
  display: grid;
  gap: 8px;
}

.smart-panel span {
  display: grid;
  gap: 3px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  color: var(--muted);
  background: #fff;
  font-size: 12px;
  font-weight: 850;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.smart-panel strong {
  min-width: 0;
  color: var(--ink);
  font-size: 12px;
  font-weight: 950;
  overflow-wrap: anywhere;
}

.smart-panel .ok {
  border-color: #cdeadd;
  background: #f3fbf7;
}

.smart-panel .info {
  border-color: #d8e7ff;
  background: #f5f9ff;
}

.smart-panel .warn {
  border-color: #fed7aa;
  background: #fff8ed;
}

.smart-panel .danger {
  border-color: #fecaca;
  background: #fff4f4;
}