.sxp-page {
  background: #fafafa;
  border: 1px solid #e5e5e5;
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: 0 8px 28px rgba(24, 35, 42, 0.04);
}

.sxp-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.sxp-header h2 {
  margin: 0;
  font-size: clamp(1.8rem, 2vw, 2.5rem);
  letter-spacing: 0.08em;
}

.sxp-header .sxp-page-copy {
  max-width: 620px;
  margin-top: 0.5rem;
}

.sxp-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.sxp-button,
.sxp-button-secondary,
.sxp-button-danger,
.sxp-button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 42px;
  padding: 0.7rem 1.2rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-family: "Source Sans Pro", Helvetica, sans-serif;
  font-size: 0.96rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sxp-button {
  background: #2ebaae;
  color: #fff;
  box-shadow: 0 8px 20px rgba(46, 186, 174, 0.2);
}

.sxp-button:hover {
  background: #25a28f;
  color: #fff;
}

.sxp-button-secondary {
  background: #f2f6f4;
  border-color: #dfece7;
  color: #1f3f3a;
}

.sxp-button-ghost {
  background: transparent;
  border-color: #d7d7d7;
  color: #3c3b3b;
}

.sxp-button-danger {
  background: #f5e7e8;
  border-color: #d7b0b5;
  color: #8c2d39;
}

.sxp-layout {
  display: grid;
  grid-template-columns: minmax(260px, 330px) minmax(0, 1fr);
  gap: 1.5rem;
}

.sxp-sidebar,
.sxp-panel,
.sxp-summary,
.sxp-stat-card,
.sxp-empty-state {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 16px;
}

.sxp-sidebar {
  padding: 1rem;
}

.sxp-sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.sxp-sidebar-header h3 {
  margin: 0;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
}

.sxp-group-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.sxp-group-card {
  padding: 1rem;
  border: 1px solid #e4e4e4;
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sxp-group-card:hover {
  border-color: #a9d9d2;
  box-shadow: 0 10px 18px rgba(13, 37, 42, 0.05);
}

.sxp-group-card.is-selected {
  border-color: #2ebaae;
  background: #f1fcfa;
}

.sxp-group-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.sxp-group-card h4 {
  margin: 0 0 0.2rem;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.sxp-group-card p {
  margin: 0;
  color: #6c6c6c;
  font-size: 0.9rem;
}

.sxp-group-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 0.8rem;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: #5c5c5c;
}

.sxp-group-total {
  margin-top: 0.7rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: #1f3f3a;
}

.sxp-main {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sxp-empty-state {
  padding: 1.5rem;
  text-align: center;
}

.sxp-empty-state h3 {
  margin-bottom: 0.6rem;
}

.sxp-group-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 16px;
  padding: 1.2rem 1.3rem;
}

.sxp-group-header h3 {
  margin: 0;
  font-size: clamp(1.5rem, 2vw, 2.1rem);
  letter-spacing: 0.06em;
}

.sxp-group-header p {
  margin: 0.45rem 0 0;
  color: #666;
}

.sxp-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.sxp-metric-box {
  min-width: 120px;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  background: #f7f9f8;
  border: 1px solid #e1e9e5;
}

.sxp-metric-box span {
  display: block;
  font-size: 0.76rem;
  color: #68716f;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sxp-metric-box strong {
  display: block;
  margin-top: 0.3rem;
  color: #1d2d2a;
  font-size: 1.15rem;
}

.sxp-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 0.6rem;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 14px;
}

.sxp-tab {
  border: 1px solid transparent;
  background: transparent;
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  cursor: pointer;
  font-weight: 700;
  color: #4a4a4a;
}

.sxp-tab.is-active {
  background: #f1fcfa;
  border-color: #bfded8;
  color: #1a5d54;
}

.sxp-panel {
  padding: 1.1rem;
}

.sxp-panel h3,
.sxp-panel h4 {
  margin: 0 0 0.8rem;
  letter-spacing: 0.05em;
}

.sxp-overview-grid,
.sxp-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.sxp-summary {
  padding: 1rem;
}

.sxp-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.sxp-stat-card {
  padding: 1rem;
  background: #f9fbfa;
}

.sxp-stat-card .label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6a7b77;
}

.sxp-stat-card .value {
  display: block;
  margin-top: 0.35rem;
  font-size: 1.4rem;
  font-weight: 800;
  color: #1d2d2a;
}

.sxp-card-list,
.sxp-row-list,
.sxp-member-list,
.sxp-settlement-list,
.sxp-expense-list {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.sxp-row-item,
.sxp-member-item,
.sxp-settlement-item,
.sxp-expense-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid #e7e7e7;
  border-radius: 10px;
  background: #fff;
  padding: 0.8rem 0.9rem;
}

.sxp-row-item .info,
.sxp-member-item .info,
.sxp-settlement-item .info,
.sxp-expense-item .info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.sxp-row-item strong,
.sxp-member-item strong,
.sxp-settlement-item strong,
.sxp-expense-item strong {
  color: #2e2e2e;
}

.sxp-row-item .meta,
.sxp-settlement-item .meta,
.sxp-expense-item .meta,
.sxp-member-item .meta {
  color: #6f6f6f;
  font-size: 0.84rem;
}

.sxp-balance-positive {
  color: #1f7a5b;
  font-weight: 700;
}

.sxp-balance-negative {
  color: #9a3744;
  font-weight: 700;
}

.sxp-balance-zero {
  color: #4d4d4d;
  font-weight: 700;
}

.sxp-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.sxp-form-grid .sxp-full {
  grid-column: 1 / -1;
}

.sxp-form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sxp-form-field label,
.sxp-form-field .label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #4c4c4c;
}

.sxp-form-field input,
.sxp-form-field select,
.sxp-form-field textarea {
  width: 100%;
  padding: 0.8rem 0.8rem;
  border: 1px solid #dfe2e6;
  border-radius: 10px;
  background: #fff;
  color: #2e2e2e;
  font: inherit;
}

.sxp-form-field textarea {
  min-height: 90px;
  resize: vertical;
}

.sxp-member-grid,
.sxp-participant-list,
.sxp-split-list {
  display: grid;
  gap: 0.65rem;
}

.sxp-participant-list,
.sxp-split-list {
  margin-top: 0.75rem;
}

.sxp-checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid #e3e3e3;
  border-radius: 10px;
  background: #fafafa;
}

.sxp-checkbox-item input {
  width: auto;
  margin: 0;
}

.sxp-split-editor {
  display: grid;
  gap: 0.6rem;
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid #ececec;
}

.sxp-split-row {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(110px, 0.7fr);
  gap: 0.7rem;
  align-items: end;
}

.sxp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.sxp-balance-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.75rem;
}

.sxp-balance-table th,
.sxp-balance-table td {
  padding: 0.7rem 0.6rem;
  border-bottom: 1px solid #ececec;
  text-align: left;
  vertical-align: middle;
}

.sxp-balance-table th {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6b6b6b;
}

.sxp-balance-table td:last-child,
.sxp-balance-table th:last-child {
  text-align: right;
}

.sxp-note,
.sxp-form-hint {
  color: #6d6d6d;
  font-size: 0.85rem;
}

.sxp-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: #edf6f4;
  color: #216b60;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sxp-badge.is-inactive {
  background: #f4f4f4;
  color: #666;
}

@media (max-width: 980px) {
  .sxp-layout,
  .sxp-overview-grid,
  .sxp-grid-2,
  .sxp-summary-grid,
  .sxp-form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .sxp-page {
    padding: 1rem;
  }

  .sxp-header,
  .sxp-sidebar-header,
  .sxp-group-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .sxp-metrics {
    width: 100%;
  }

  .sxp-metric-box {
    flex: 1 1 40%;
  }
}