.channel-strategy-backdrop {
  position: fixed;
  z-index: 1200;
  inset: 0;
  background: rgba(15, 23, 42, .5);
  backdrop-filter: blur(3px);
}

.channel-strategy-drawer {
  position: fixed;
  z-index: 1210;
  top: 0;
  right: 0;
  width: min(980px, calc(100vw - 40px));
  height: 100dvh;
  overflow: hidden;
  border-left: 1px solid #e4e7ec;
  background: #f5f7fb;
  box-shadow: -24px 0 70px rgba(15, 23, 42, .22);
}

body.channel-strategy-open {
  overflow: hidden;
}

.channel-strategy-header {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 24px;
  border-bottom: 1px solid #e4e7ec;
  background: #fff;
}

.channel-strategy-header > div {
  min-width: 0;
}

.channel-strategy-header p,
.channel-strategy-header h2,
.channel-strategy-header span {
  margin: 0;
}

.channel-strategy-header p {
  color: #7f56d9;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.channel-strategy-header h2 {
  max-width: 760px;
  overflow: hidden;
  color: #101828;
  font-size: clamp(20px, 2.3vw, 28px);
  letter-spacing: -.03em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.channel-strategy-header span {
  color: #667085;
  font-size: 12px;
}

.channel-strategy-header button {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid #e4e7ec;
  border-radius: 12px;
  background: #fff;
  color: #475467;
  cursor: pointer;
  font-size: 26px;
  line-height: 1;
}

.channel-strategy-body {
  height: calc(100dvh - 88px);
  overflow-y: auto;
  padding: 22px;
}

.channel-strategy-loading,
.channel-strategy-error {
  display: grid;
  min-height: 300px;
  place-items: center;
  align-content: center;
  gap: 12px;
  padding: 30px;
  border: 1px solid #e4e7ec;
  border-radius: 20px;
  background: #fff;
  color: #667085;
  text-align: center;
}

.channel-strategy-loading span {
  width: 34px;
  height: 34px;
  border: 3px solid #e4e7ec;
  border-top-color: #7f56d9;
  border-radius: 50%;
  animation: channel-spin .8s linear infinite;
}

.channel-strategy-error strong {
  color: #b42318;
  font-size: 18px;
}

.channel-strategy-error p,
.channel-strategy-error small {
  max-width: 600px;
  margin: 0;
  line-height: 1.6;
}

.channel-strategy-error button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid #d0d5dd;
  border-radius: 10px;
  background: #fff;
  color: #344054;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.channel-strategy-form {
  display: grid;
  gap: 18px;
}

.channel-strategy-intro,
.channel-common-card,
.channel-card,
.channel-strategy-footer {
  border: 1px solid #e4e7ec;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(16, 24, 40, .04);
}

.channel-strategy-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 22px;
  align-items: center;
  padding: 22px;
  background:
    radial-gradient(circle at 95% 20%, rgba(124, 92, 255, .12), transparent 38%),
    #fff;
}

.channel-strategy-intro > div:first-child {
  display: grid;
  gap: 5px;
}

.channel-strategy-intro > div:first-child > span {
  color: #6941c6;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.channel-strategy-intro > div:first-child > strong {
  color: #101828;
  font-size: 24px;
  letter-spacing: -.03em;
}

.channel-strategy-intro p,
.channel-common-card p,
.channel-card p {
  margin: 0;
  color: #667085;
  line-height: 1.55;
}

.channel-comparison {
  display: grid;
  gap: 5px;
  padding: 16px;
  border: 1px solid #d9d6fe;
  border-radius: 15px;
  background: #f9f7ff;
}

.channel-comparison > span {
  color: #7f56d9;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.channel-comparison strong {
  color: #42307d;
  font-size: 15px;
}

.channel-comparison p {
  color: #6941c6;
  font-size: 11px;
}

.channel-comparison.warning {
  border-color: #fedf89;
  background: #fffaeb;
}

.channel-comparison.warning > span,
.channel-comparison.warning strong,
.channel-comparison.warning p {
  color: #93370d;
}

.channel-comparison.healthy {
  border-color: #abefc6;
  background: #f6fef9;
}

.channel-comparison.healthy > span,
.channel-comparison.healthy strong,
.channel-comparison.healthy p {
  color: #067647;
}

.channel-common-card,
.channel-card {
  padding: 22px;
}

.channel-common-card > header,
.channel-card > header,
.channel-strategy-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.channel-common-card > header span,
.channel-card > header small {
  display: block;
  color: #7f56d9;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.channel-common-card > header h3,
.channel-card > header strong {
  margin: 4px 0 0;
  color: #101828;
  letter-spacing: -.02em;
}

.channel-common-card > header h3 {
  font-size: 21px;
}

.channel-common-card > header em {
  padding: 5px 9px;
  border-radius: 999px;
  background: #f2f4f7;
  color: #667085;
  font-size: 10px;
  font-style: normal;
  font-weight: 750;
  white-space: nowrap;
}

.channel-common-grid,
.channel-field-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 13px;
  margin-top: 18px;
}

.channel-field {
  display: grid;
  min-width: 0;
  gap: 7px;
}

.channel-field > span {
  color: #344054;
  font-size: 12px;
  font-weight: 750;
}

.channel-field input,
.channel-field select {
  width: 100%;
  min-height: 44px;
  padding: 10px 11px;
  border: 1px solid #d0d5dd;
  border-radius: 10px;
  outline: none;
  background: #fff;
  color: #101828;
  font: inherit;
  transition: border-color .16s ease, box-shadow .16s ease;
}

.channel-field input:focus,
.channel-field select:focus {
  border-color: #7f56d9;
  box-shadow: 0 0 0 4px rgba(127, 86, 217, .1);
}

.channel-field small {
  min-height: 28px;
  color: #98a2b3;
  font-size: 10px;
  line-height: 1.4;
}

.shared-stock-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  padding: 12px;
  border: 1px solid #e4e7ec;
  border-radius: 12px;
  background: #f9fafb;
}

.shared-stock-summary span,
.shared-stock-summary > b {
  padding: 5px 9px;
  border-radius: 999px;
  background: #fff;
  color: #667085;
  font-size: 11px;
}

.shared-stock-summary strong {
  color: #101828;
}

.shared-stock-summary.error {
  border-color: #fecdca;
  background: #fffbfa;
}

.shared-stock-summary.error > b {
  background: #fee4e2;
  color: #b42318;
}

.channel-cards {
  display: grid;
  gap: 18px;
}

.channel-card {
  border-top: 4px solid transparent;
}

.channel-card.kaspi {
  border-top-color: #ef3124;
}

.channel-card.ozon {
  border-top-color: #005bff;
}

.channel-card > header > div {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 11px;
}

.channel-card > header span {
  display: grid;
  min-width: 0;
}

.channel-card > header strong {
  max-width: 570px;
  overflow: hidden;
  font-size: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.channel-status {
  padding: 6px 10px;
  border-radius: 999px;
  background: #f2f4f7;
  color: #667085;
  font-size: 10px;
  font-style: normal;
  font-weight: 850;
  white-space: nowrap;
}

.channel-status.healthy {
  background: #dcfae6;
  color: #067647;
}

.channel-status.below_target {
  background: #fef0c7;
  color: #b54708;
}

.channel-status.loss {
  background: #fee4e2;
  color: #b42318;
}

.channel-metric-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.channel-metric-strip article {
  display: grid;
  gap: 4px;
  padding: 13px;
  border: 1px solid #e4e7ec;
  border-radius: 13px;
  background: #fcfcfd;
}

.channel-metric-strip span {
  color: #667085;
  font-size: 10px;
  font-weight: 750;
}

.channel-metric-strip strong {
  color: #101828;
  font-size: 17px;
}

.channel-metric-strip button {
  justify-self: start;
  padding: 0;
  border: 0;
  background: transparent;
  color: #6941c6;
  cursor: pointer;
  font: inherit;
  font-size: 10px;
  font-weight: 800;
}

.channel-field-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.channel-breakdown {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid #eaecf0;
}

.channel-breakdown span {
  padding: 5px 8px;
  border-radius: 8px;
  background: #f9fafb;
  color: #667085;
  font-size: 10px;
}

.channel-breakdown b {
  color: #344054;
}

.channel-strategy-footer {
  align-items: center;
  padding: 18px 20px;
  border-color: #d9d6fe;
  background: linear-gradient(135deg, #fff, #f8f6ff);
}

.channel-strategy-footer > div {
  display: grid;
  flex: 1;
  gap: 4px;
}

.channel-strategy-footer p {
  min-height: 18px;
  margin: 0;
  color: #475467;
  font-size: 12px;
  font-weight: 750;
}

.channel-strategy-footer p.success {
  color: #067647;
}

.channel-strategy-footer p.error {
  color: #b42318;
}

.channel-strategy-footer small {
  color: #667085;
  font-size: 10px;
  line-height: 1.5;
}

.channel-strategy-footer .primary-button {
  min-width: 210px;
}

.channel-strategy-table-button {
  display: grid;
  min-width: 116px;
  gap: 2px;
  padding: 8px 10px;
  border: 1px solid #d0d5dd;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  text-align: left;
}

.channel-strategy-table-button span {
  color: #344054;
  font-size: 11px;
  font-weight: 850;
}

.channel-strategy-table-button small {
  color: #98a2b3;
  font-size: 9px;
}

.channel-strategy-table-button.healthy {
  border-color: #abefc6;
  background: #f6fef9;
}

.channel-strategy-table-button.healthy span {
  color: #067647;
}

.channel-strategy-table-button.warning {
  border-color: #fedf89;
  background: #fffaeb;
}

.channel-strategy-table-button.warning span {
  color: #b54708;
}

.channel-strategy-table-button.loss {
  border-color: #fecdca;
  background: #fffbfa;
}

.channel-strategy-table-button.loss span {
  color: #b42318;
}

.channel-strategy-table-button.empty:hover {
  border-color: #8b75ff;
  background: #f9f7ff;
}

@keyframes channel-spin {
  to { transform: rotate(360deg); }
}

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

  .channel-common-grid,
  .channel-field-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .channel-strategy-drawer {
    width: 100vw;
  }

  .channel-strategy-header {
    min-height: 78px;
    padding: 14px 16px;
  }

  .channel-strategy-body {
    height: calc(100dvh - 78px);
    padding: 12px;
  }

  .channel-strategy-intro,
  .channel-common-card,
  .channel-card {
    padding: 16px;
    border-radius: 16px;
  }

  .channel-common-grid,
  .channel-field-grid,
  .channel-metric-strip {
    grid-template-columns: 1fr;
  }

  .channel-common-card > header,
  .channel-card > header,
  .channel-strategy-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .channel-card > header strong {
    max-width: 230px;
  }

  .channel-status {
    align-self: flex-start;
  }

  .channel-strategy-footer .primary-button {
    width: 100%;
  }
}