.tab-button {
  width: 100%;
  min-height: 38px;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.68);
  background: transparent;
  text-align: left;
  font-size: 13px;
  font-weight: 700;
}

.tab-button:hover,
.tab-button.is-active {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 3px 0 0 var(--color-accent);
}

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

.card h3 {
  margin-bottom: 8px;
  font-size: 16px;
}

.card p,
.placeholder-text {
  color: var(--muted);
  line-height: 1.6;
}

.process-card {
  min-height: 156px;
}

.operation-card {
  display: grid;
  gap: 6px;
  min-height: 104px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.operation-card strong {
  color: var(--accent-dark);
  font-size: 14px;
}

.operation-card span {
  color: var(--ink);
  line-height: 1.5;
}

.kpi-card {
  min-height: 128px;
}

.kpi-value {
  margin-top: 10px;
  color: var(--ink);
  font-size: var(--font-size-kpi);
  font-weight: 900;
  line-height: 1.2;
}

.kpi-note {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.notice {
  padding: 14px 16px;
  border: 1px solid #e3c889;
  border-radius: 8px;
  color: #62460c;
  background: #fff8e6;
  line-height: 1.6;
}

.notice-no-data {
  padding: 28px 24px;
  border: 1px solid #c9d6e3;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-card);
  color: var(--ink);
  background: #f0f4fc;
  line-height: 1.8;
  font-size: 14px;
}

.upload-zone {
  display: grid;
  gap: 12px;
  padding: 24px;
  border: 1px dashed #9bb4aa;
  border-radius: 8px;
  background: var(--panel-soft);
}

.upload-zone input[type="file"] {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}

.badge.ok {
  color: #ffffff;
  background: var(--ok);
}

.badge.warn {
  color: #ffffff;
  background: var(--warn);
}

.badge.missing {
  color: #ffffff;
  background: var(--danger);
}

.insight-panel {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-card);
  background: #f8f9fa;
  box-shadow: var(--shadow);
}

.insight-panel p {
  color: var(--ink);
  line-height: 1.65;
}

/* ── Executive Summary ──────────────────────────────────── */

.exec-summary-section {
  display: grid;
  gap: 0;
  padding: 20px 26px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--color-primary);
  border-radius: var(--radius-card);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.exec-line {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}

.exec-line:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.exec-line:first-child {
  padding-top: 0;
}

.exec-line p {
  color: var(--ink);
  font-size: 14px;
}

.exec-line-action p {
  color: var(--color-primary-dark);
  font-weight: 700;
}

.exec-bullet {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 900;
}

.exec-line-action .exec-bullet {
  background: var(--color-accent);
}

/* ── PSI Main Chart ─────────────────────────────────────── */

.psi-chart-card {
  gap: 0;
}

.psi-chart-wrap {
  padding: 4px 0 8px;
}

.psi-main-chart {
  min-height: 300px;
}

/* ── Insight Action List ────────────────────────────────── */

.insight-action-list {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.iar-header {
  display: grid;
  grid-template-columns: 56px 110px 1fr 280px;
  gap: 0;
  padding: 9px 14px;
  background: #2b2d42;
  color: rgba(255,255,255,0.88);
  font-size: 11px;
  font-weight: 700;
}

.iar-row {
  display: grid;
  grid-template-columns: 56px 110px 1fr 280px;
  gap: 0;
  padding: 11px 14px;
  border-top: 1px solid var(--line);
  align-items: start;
}

.iar-row:hover {
  background: #f4f6fc;
}

.iar-month {
  font-size: 15px;
  font-weight: 900;
  color: var(--ink);
  padding-top: 2px;
}

.iar-status {
  padding-top: 2px;
}

.iar-cause {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
  padding-right: 16px;
}

.iar-action {
  font-size: 13px;
  color: var(--color-primary-dark);
  font-weight: 600;
  line-height: 1.55;
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

/* ── Detail collapsible sections ───────────────────────── */

.detail-section {
  gap: 0;
}

.detail-section[open] {
  padding-bottom: 18px;
}

.detail-summary-head {
  cursor: pointer;
  user-select: none;
  list-style: none;
}

.detail-summary-head::-webkit-details-marker,
.detail-summary-head::marker {
  display: none;
}

.detail-hint {
  margin-left: auto;
  color: rgba(255,255,255,0.58);
  font-size: 11px;
}

.detail-body {
  margin-top: 16px;
}

/* ── Keep existing ──────────────────────────────────────── */

.kpi-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: stretch;
}

.kpi-aux-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding: 10px 4px 2px;
  border-top: 1px solid var(--line);
}

.kpi-aux-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.summary-kpi-grid {
  align-items: stretch;
}

.report-kpi {
  display: grid;
  align-content: space-between;
  min-height: 142px;
  box-shadow: 0 1px 4px rgba(16, 20, 92, 0.06);
}

.kpi-label-row {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 8px;
}

.kpi-label-row h3 {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.quality-card {
  display: grid;
  gap: 8px;
  min-height: 94px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  color: var(--ink);
  background: var(--panel);
  box-shadow: 0 1px 4px rgba(16, 20, 92, 0.05);
  text-align: left;
}

.quality-card:disabled {
  cursor: default;
}

.quality-card:not(:disabled):hover,
.quality-card.is-selected {
  border-color: var(--color-primary);
  box-shadow: inset 3px 0 0 var(--color-primary), var(--shadow);
}

.quality-card.warn strong {
  color: var(--warn);
}

.quality-card.danger strong {
  color: var(--danger);
}

.quality-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.quality-card strong {
  font-size: 22px;
  font-weight: 900;
}

.formula-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.formula-box summary {
  padding: 14px 16px;
  color: var(--accent-dark);
  font-weight: 700;
  cursor: pointer;
}

.formula-box div {
  padding: 0 16px 16px;
  color: var(--muted);
  line-height: 1.7;
}

.formula-box h3 {
  margin: 14px 0 6px;
  color: var(--ink);
  font-size: 15px;
}

/* ── 월별 전망 카드 ─────────────────────────────────────── */

.month-forecast-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--panel);
  box-shadow: 0 1px 4px rgba(16, 20, 92, 0.06);
}

.month-forecast-card.status-danger { border-left-color: var(--danger); }
.month-forecast-card.status-warn   { border-left-color: var(--warn); }
.month-forecast-card.status-excess { border-left-color: #c49d2d; }
.month-forecast-card.status-info   { border-left-color: var(--color-primary); }
.month-forecast-card.status-ok     { border-left-color: var(--ok); }

.mfc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mfc-month {
  font-size: 18px;
  font-weight: 900;
  color: var(--ink);
}

.mfc-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.mfc-metric {
  display: grid;
  gap: 2px;
}

.mfc-metric-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.mfc-metric-value {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.mfc-metric-value.danger-text {
  color: var(--danger);
}

.mfc-cause {
  padding-top: 8px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

/* ── badge: 재고증가 ────────────────────────────────────── */

.badge.info {
  color: #ffffff;
  background: var(--color-primary);
}

/* ── 데이터 품질 접기/펼치기 ────────────────────────────── */

.quality-toggle {
  display: flex;
  list-style: none;
  cursor: pointer;
  user-select: none;
}

.quality-toggle::-webkit-details-marker,
.quality-toggle::marker {
  display: none;
}

/* ── 원인 분석 테이블 셀 ────────────────────────────────── */

.cause-type-tag {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  background: #eef0f8;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.cause-desc-text {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}