styles/main.css

/* ============================================================
   FabAgent — Operator Dashboard
   Light, low-saturation, info-dense operations tool aesthetic
   ============================================================ */

/* ============== Streamlit chrome 숨김 + 레이아웃 보정 ============== */

#MainMenu { visibility: hidden; }
footer { visibility: hidden; }
header[data-testid="stHeader"] { display: none; }

.block-container {
  padding-top: 0 !important;
  padding-bottom: 4rem;
  max-width: none !important;
}

section[data-testid="stSidebar"] {
  width: 320px !important;
  min-width: 320px !important;
  max-width: 320px !important;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  transform: translateX(0) !important;
  visibility: visible !important;
  display: block !important;
}
section[data-testid="stSidebar"] > div {
  padding-top: 0;
}
section[data-testid="stSidebar"] [data-testid="stSidebarContent"] {
  padding: 0;
}
/* 사이드바 상단 빈 헤더(collapse 버튼 자리) 자체를 제거해 로고가 최상단에 붙도록 */
section[data-testid="stSidebar"] [data-testid="stSidebarHeader"],
[data-testid="stSidebarCollapseButton"],
[data-testid="stSidebarCollapsedControl"],
[data-testid="collapsedControl"] {
  display: none !important;
}

/* Streamlit이 위젯 사이에 자동으로 끼우는 간격 축소 */
[data-testid="stVerticalBlock"] { gap: 0.4rem; }

/* 알람 카드 전체를 클릭 영역으로, <a> 래퍼는 시각적으로 투명 */
section[data-testid="stSidebar"] [data-testid="stVerticalBlock"] {
  gap: 0 !important;
}
a.alarm-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  margin-top: 12px;
}
a.alarm-card-link:last-of-type {
  margin-bottom: 16px;
}
a.alarm-card-link:focus,
a.alarm-card-link:focus-visible {
  outline: none;
}

:root {
  /* Neutrals */
  --text-primary: #1F2A3A;
  --text-secondary: #6B7788;
  --text-tertiary: #9AA3B2;
  --bg-page: #FAFBFC;
  --bg-card: #FFFFFF;
  --bg-subtle: #F4F6F9;
  --border: #E3E6EC;
  --border-strong: #CFD4DC;

  /* Tier 1 - 파랑 (이상 탐지) */
  --t1-bg: #E8F1FD;
  --t1-border: #A4C2F1;
  --t1-text: #2C5AB8;
  --t1-bg-soft: #F4F8FE;

  /* Tier 2 - 보라 (원인 분석) */
  --t2-bg: #F1ECF8;
  --t2-border: #C3AEDF;
  --t2-text: #6E46A8;
  --t2-bg-soft: #F8F5FC;

  /* Tier 3 - 초록 (공정 간 영향) */
  --t3-bg: #E8F5EE;
  --t3-border: #9DCFB3;
  --t3-text: #2A8A55;
  --t3-bg-soft: #F4FAF6;

  /* Tier 4 - 앰버 (대응 권고) */
  --t4-bg: #FDF2DE;
  --t4-border: #E5C280;
  --t4-text: #B07718;
  --t4-bg-soft: #FEF9EE;

  /* Critical / 긴급 - 핑크 */
  --crit-bg: #FDECF1;
  --crit-border: #F0A8BC;
  --crit-text: #C04A6E;

  /* Brand */
  --brand: #2C5AB8;
  --brand-deep: #1F4290;

  /* Status */
  --ok: #2A8A55;
  --ok-bg: #E8F5EE;
  --warn: #B07718;
  --danger: #C04A6E;

  /* Layout */
  --header-h: 64px;
  --sidebar-w: 320px;
  --radius: 8px;
  --radius-sm: 6px;
  --shadow-card: 0 1px 2px rgba(31,42,58,0.04), 0 1px 0 rgba(31,42,58,0.02);
  --shadow-pop: 0 8px 24px rgba(31,42,58,0.12), 0 2px 6px rgba(31,42,58,0.06);

  /* Type */
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;
}

html, body {
  font-family: var(--font);
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "ss02", "tnum";
  font-size: 13px;
  line-height: 1.5;
}

/* ============== Header ============== */

.fab-header {
  display: flex;
  align-items: center;
  padding: 12px 8px 16px;
  background: var(--bg-card);
  gap: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}

.fab-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--brand);
}

.fab-logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--brand) 0%, #4A7FD9 100%);
  display: grid;
  place-items: center;
  color: white;
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 1px 2px rgba(44,90,184,0.3);
}

.fab-context {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-primary);
}

.fab-context .ctx-label {
  color: var(--text-tertiary);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.fab-context .ctx-sep {
  width: 1px;
  height: 12px;
  background: var(--border-strong);
}

.fab-header-spacer { flex: 1; }

.fab-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.fab-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(42,138,85,0.15);
  animation: pulse-ok 2.4s ease-in-out infinite;
}

@keyframes pulse-ok {
  0%, 100% { box-shadow: 0 0 0 3px rgba(42,138,85,0.15); }
  50%      { box-shadow: 0 0 0 5px rgba(42,138,85,0.05); }
}

.fab-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 4px 4px 12px;
  background: var(--bg-subtle);
  border-radius: 999px;
  font-size: 12px;
}

.fab-user .avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6E46A8, #C04A6E);
  color: white;
  font-weight: 700;
  font-size: 11px;
  display: grid;
  place-items: center;
}

/* ============== Sidebar — Logo (home) ============== */

a.fab-sidebar-logo-link {
  text-decoration: none;
  color: inherit;
  display: block;
}
.fab-sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 20px;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--brand);
  cursor: pointer;
  transition: background 0.15s;
  border-bottom: 1px solid var(--border);
}
.fab-sidebar-logo .fab-logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 9px;
}
.fab-sidebar-logo .fab-logo-mark svg {
  width: 22px;
  height: 22px;
}
.fab-sidebar-logo:hover {
  background: var(--bg-subtle);
}

/* ============== Sidebar — Alarm Inbox ============== */

.fab-sidebar-head {
  padding: 18px 20px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fab-sidebar-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.fab-sidebar-count {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-secondary);
}

.fab-sidebar-count .badge {
  background: var(--crit-bg);
  color: var(--crit-text);
  padding: 2px 7px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 10px;
}

.alarm-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 14px 14px 16px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
  overflow: hidden;
  margin: 0 12px;
}
a.alarm-card-link:hover .alarm-card {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-card);
}

.alarm-card:hover {
  background: var(--bg-subtle);
  border-color: var(--border-strong);
}

.alarm-card.selected {
  background: var(--t1-bg-soft);
  border-color: var(--t1-border);
}

.alarm-card.selected::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--brand);
}

.alarm-card.completed {
  opacity: 0.62;
}

.alarm-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.alarm-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 2px 0 4px;
}

.alarm-meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 11px;
  color: var(--text-secondary);
}

.alarm-meta .feat {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-primary);
  font-weight: 500;
}

.alarm-feat-arrow {
  display: inline-block;
  color: var(--danger);
  font-weight: 800;
}

.alarm-time {
  font-size: 10px;
  color: var(--text-tertiary);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}

.alarm-selected-tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  color: var(--brand);
  font-weight: 700;
}

.alarm-card.critical:not(.completed):not(.selected) {
  border-color: var(--crit-border);
  background: linear-gradient(180deg, #FFF8FA 0%, #FFFFFF 100%);
}

/* ============== Chip ============== */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid transparent;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.chip-critical { background: var(--crit-bg); color: var(--crit-text); border-color: var(--crit-border); }
.chip-warn     { background: var(--t4-bg); color: var(--t4-text); border-color: var(--t4-border); }
.chip-done     { background: var(--bg-subtle); color: var(--text-secondary); border-color: var(--border); }
.chip-t1       { background: var(--t1-bg); color: var(--t1-text); border-color: var(--t1-border); }
.chip-t2       { background: var(--t2-bg); color: var(--t2-text); border-color: var(--t2-border); }
.chip-t3       { background: var(--t3-bg); color: var(--t3-text); border-color: var(--t3-border); }
.chip-t4       { background: var(--t4-bg); color: var(--t4-text); border-color: var(--t4-border); }
.chip-neutral  { background: var(--bg-subtle); color: var(--text-secondary); border-color: var(--border); }
.chip-ok       { background: var(--ok-bg); color: var(--ok); border-color: #9DCFB3; }

.chip .dot {
  width: 6px; height: 6px; border-radius: 50%; background: currentColor;
}

.chip-critical .dot { animation: pulse-crit 1.2s ease-in-out infinite; }
@keyframes pulse-crit {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.4); opacity: 0.6; }
}

/* ============== Main title + progress ============== */

.fab-main-title {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0 0 4px;
}

.fab-main-sub {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.fab-main-sub .sep {
  color: var(--text-tertiary);
}

.fab-progress {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: flex-end;
}

.fab-progress-step {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  background: var(--bg-subtle);
  color: var(--text-tertiary);
  border: 1px solid transparent;
  transition: all 0.3s;
}

.fab-progress-step.active {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border);
}

.fab-progress-step.done {
  color: var(--ok);
  background: var(--ok-bg);
}

.fab-progress-step .num {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--border);
  color: var(--bg-card);
  display: inline-grid;
  place-items: center;
  font-size: 9px;
  font-weight: 800;
}

.fab-progress-step.active .num { background: var(--brand); color: white; }
.fab-progress-step.done .num   { background: var(--ok); color: white; }

.fab-progress .conn {
  width: 12px; height: 1px; background: var(--border);
}

/* ============== Loading state (cold start) ============== */

.fab-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 40px 20px;
  text-align: center;
  animation: card-fade-in 0.3s ease;
}
.fab-loading-spinner {
  width: 56px;
  height: 56px;
  border: 4px solid var(--bg-subtle);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 22px;
}
.fab-loading-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
.fab-loading-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0 0 26px;
}
.fab-loading-pipeline {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  box-shadow: var(--shadow-card);
}
.fab-loading-pipeline .step {
  white-space: nowrap;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-subtle);
}
.fab-loading-pipeline .step.t1 { color: var(--t1-text); background: var(--t1-bg); }
.fab-loading-pipeline .step.t2 { color: var(--t2-text); background: var(--t2-bg); }
.fab-loading-pipeline .step.t3 { color: var(--t3-text); background: var(--t3-bg); }
.fab-loading-pipeline .step.t4 { color: var(--t4-text); background: var(--t4-bg); }
.fab-loading-pipeline .arrow {
  color: var(--text-tertiary);
  font-weight: 400;
}
.fab-loading-hint {
  margin-top: 22px;
  font-size: 11px;
  color: var(--text-tertiary);
}

/* ============== Empty state ============== */

.fab-empty {
  height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
}
.fab-empty-inner {
  max-width: 360px;
  color: var(--text-secondary);
}
.fab-empty-icon {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px dashed var(--border-strong);
  display: grid;
  place-items: center;
  color: var(--text-tertiary);
}
.fab-empty h3 {
  font-size: 15px;
  color: var(--text-primary);
  margin: 0 0 6px;
  font-weight: 700;
}
.fab-empty p { font-size: 12px; margin: 0; }

/* ============== Tier card frame ============== */

.tier-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  animation: card-fade-in 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
}

@keyframes card-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tier-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  position: relative;
}

.tier-head::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
}

.tier-card.tier-1 .tier-head::before { background: var(--t1-text); }
.tier-card.tier-2 .tier-head::before { background: var(--t2-text); }
.tier-card.tier-3 .tier-head::before { background: var(--t3-text); }
.tier-card.tier-4 .tier-head::before { background: var(--t4-text); }

.tier-head-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.tier-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* 에이전트 페르소나 (Tier head 안) */
.agent-id {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.agent-name-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.agent-name {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}
.agent-summary {
  font-size: 11.5px;
  color: var(--text-secondary);
}
.agent-tool {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--text-tertiary);
}

.tier-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-secondary);
}

.tier-status .check {
  color: var(--ok);
  font-weight: 800;
}

.tier-body { padding: 20px; }

/* Loading spinner */
.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Skeleton */
.skel {
  position: relative;
  overflow: hidden;
  background: var(--bg-subtle);
  border-radius: 6px;
  height: 12px;
}
.skel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.7) 50%, transparent 100%);
  animation: shimmer 1.1s linear infinite;
}
@keyframes shimmer {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100%); }
}

.skel-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skel-block { height: 80px; border-radius: 8px; }

/* ============== Tier 1 body ============== */

.t1-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
}

.score-tile {
  background: linear-gradient(180deg, var(--t1-bg) 0%, var(--t1-bg-soft) 100%);
  border: 1px solid var(--t1-border);
  border-radius: var(--radius);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.score-tile-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--t1-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.score-tile-value {
  font-size: 48px;
  font-weight: 800;
  color: var(--t1-text);
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  margin: 8px 0;
}

.score-tile-meta {
  font-size: 11px;
  color: var(--t1-text);
  opacity: 0.8;
  display: flex;
  align-items: center;
  gap: 6px;
}

.score-tile-bar {
  margin-top: 10px;
  height: 4px;
  background: rgba(44,90,184,0.15);
  border-radius: 999px;
  overflow: hidden;
}
.score-tile-bar > span {
  display: block;
  height: 100%;
  background: var(--t1-text);
  border-radius: 999px;
  animation: bar-grow 0.8s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

@keyframes bar-grow {
  from { width: 0 !important; }
}

.feat-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.feat-block-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.feat-block-title .hint {
  font-size: 10px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.feat-row {
  display: grid;
  grid-template-columns: 110px 1fr 48px;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 12px;
}

.feat-row + .feat-row { border-top: 1px dashed var(--border); }

.feat-row .name { font-weight: 600; }
.feat-row .val {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--text-primary);
  font-size: 12px;
}

.bar-track {
  height: 8px;
  background: var(--bg-subtle);
  border-radius: 999px;
  position: relative;
  overflow: hidden;
}
.bar-fill {
  position: absolute;
  inset: 0 auto 0 0;
  background: linear-gradient(90deg, var(--t1-text) 0%, #5680D5 100%);
  border-radius: 999px;
  animation: bar-grow 0.9s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.lot-strip {
  margin-top: 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}

.lot-strip .lab {
  color: var(--text-secondary);
  font-size: 11px;
}
.lot-strip .lot {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 12px;
  color: var(--text-primary);
}
.lot-strip .count {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

/* PHM 실측 시계열 차트 (Tier 1, A3 한정) */
.phm-chart {
  margin-top: 14px;
  padding: 12px 14px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.phm-chart-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.phm-chart img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
}

/* ============== Tier 2 body ============== */

.cause-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cause-row {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  position: relative;
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 12px;
  align-items: start;
}

.cause-row.primary {
  background: var(--t2-bg-soft);
  border-color: var(--t2-border);
}

.cause-rank {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--bg-subtle);
  color: var(--text-secondary);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.cause-row.primary .cause-rank {
  background: var(--t2-text);
  color: white;
}

.cause-body { min-width: 0; }
.cause-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.cause-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.cause-pct {
  font-size: 18px;
  font-weight: 800;
  color: var(--t2-text);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.cause-row:not(.primary) .cause-pct { color: var(--text-secondary); font-size: 15px; }

.cause-bar {
  height: 6px;
  background: var(--bg-subtle);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 10px;
}
.cause-bar > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--t2-text) 0%, #9572CC 100%);
  border-radius: 999px;
  animation: bar-grow 0.9s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}
.cause-row:not(.primary) .cause-bar > span {
  background: linear-gradient(90deg, #A8A0BC 0%, #C3AEDF 100%);
}

.cause-evidence {
  font-size: 11.5px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin-bottom: 6px;
  line-height: 1.55;
}
.cause-evidence b { color: var(--text-primary); font-weight: 600; }

.cause-cite {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: 10.5px;
  color: var(--text-tertiary);
}
.cite-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
}

/* ============== Tier 3 body ============== */

.t3-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
  margin-bottom: 14px;
}

.loss-tile {
  background: linear-gradient(180deg, #FDECF1 0%, #FFF6F9 100%);
  border: 1px solid var(--crit-border);
  border-radius: var(--radius);
  padding: 22px 20px;
}

.loss-tile-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--crit-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.loss-tile-value {
  font-size: 48px;
  font-weight: 800;
  color: var(--crit-text);
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 8px 0;
  font-variant-numeric: tabular-nums;
}
.loss-tile-value .unit { font-size: 22px; margin-left: 4px; }
.loss-tile-meta { font-size: 11px; color: var(--crit-text); opacity: 0.85; }

.dep-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.dep-graph {
  display: grid;
  grid-template-columns: 1fr 24px 1fr 24px 1fr;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}

.dep-node {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
  position: relative;
}

.dep-node.current {
  background: var(--crit-bg);
  border-color: var(--crit-border);
}
.dep-node.impacted {
  background: var(--t4-bg);
  border-color: var(--t4-border);
}
.dep-node.minor {
  background: var(--bg-subtle);
}

.dep-stage-name {
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.dep-delta {
  font-size: 14px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.dep-node.current .dep-delta { color: var(--crit-text); }
.dep-node.impacted .dep-delta { color: var(--t4-text); }
.dep-node.minor .dep-delta { color: var(--text-secondary); }

.dep-tag {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 6px;
  opacity: 0.7;
}

.dep-arrow {
  display: grid;
  place-items: center;
  color: var(--text-tertiary);
}

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

.impact-lot {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.impact-lot-label {
  font-size: 11px;
  color: var(--text-secondary);
}
.impact-lot-value {
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.impact-lot-value .lots-num { color: var(--text-primary); }
.impact-lot-value .wafer { font-size: 11px; color: var(--text-secondary); margin-left: 6px; font-weight: 500; }

/* ============== Tier 4 body ============== */

.action-section {
  margin-bottom: 14px;
}

.action-section-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.action-section-head .badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 4px;
}
.action-section-head .badge.imm { background: var(--crit-bg); color: var(--crit-text); }
.action-section-head .badge.lng { background: var(--bg-subtle); color: var(--text-secondary); border: 1px solid var(--border); }

.action-box {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  overflow: hidden;
}

.action-box.urgent {
  border-color: var(--crit-border);
  background: linear-gradient(180deg, #FFF6F9 0%, #FFFFFF 100%);
}

.action-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) minmax(0, 280px);
  gap: 12px;
  align-items: start;
  padding: 12px 16px;
  font-size: 13px;
}

.action-item + .action-item { border-top: 1px solid var(--border); }
.action-box.urgent .action-item + .action-item { border-top: 1px solid rgba(240,168,188,0.5); }

.action-num {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-weight: 800;
  font-size: 11px;
  display: grid;
  place-items: center;
  font-variant-numeric: tabular-nums;
}
.action-box.urgent .action-num {
  background: var(--crit-bg);
  color: var(--crit-text);
}

.action-text { line-height: 1.5; min-width: 0; word-break: break-word; }
.action-meta {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-tertiary);
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--bg-subtle);
  white-space: normal;
  word-break: break-word;
  line-height: 1.5;
  min-width: 0;
}

.refs {
  margin-top: 14px;
  font-size: 11.5px;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.refs-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.refs ul { margin: 0; padding-left: 18px; }
.refs li { margin: 3px 0; }
.refs li code {
  font-family: var(--mono);
  font-size: 10.5px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text-primary);
}

/* ============== Tier 4 액션 바 ============== */

.action-bar-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  margin-bottom: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}
.action-bar-head .label {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 13px;
}

/* 메인 영역 Streamlit 버튼 통일 스타일 (Tier 4 액션 바) */
.block-container .stButton button {
  height: 48px !important;
  border-radius: 10px !important;
  font-weight: 700 !important;
  font-size: 14px !important;
  padding: 0 22px !important;
  transition: all 0.15s !important;
  letter-spacing: -0.01em;
}

/* primary = 승인 (초록 fill) */
.block-container .stButton button[kind="primary"] {
  background: var(--ok) !important;
  border-color: var(--ok) !important;
  color: white !important;
  box-shadow: 0 2px 4px rgba(42,138,85,0.3), inset 0 1px 0 rgba(255,255,255,0.18) !important;
}
.block-container .stButton button[kind="primary"]:hover:not(:disabled) {
  background: #237046 !important;
  border-color: #237046 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(42,138,85,0.4) !important;
}
.block-container .stButton button[kind="primary"]:disabled {
  opacity: 0.6 !important;
  cursor: not-allowed !important;
}

/* secondary = 거절/보류 기본 outline */
.block-container .stButton button[kind="secondary"] {
  background: var(--bg-card) !important;
  border: 1.5px solid var(--border) !important;
  color: var(--text-secondary) !important;
}
.block-container .stButton button[kind="secondary"]:disabled {
  opacity: 0.45 !important;
  cursor: not-allowed !important;
}

.block-container .stButton button[kind="secondary"]:hover:not(:disabled) {
  background: var(--bg-subtle) !important;
  border-color: var(--text-secondary) !important;
  color: var(--text-primary) !important;
  transform: translateY(-1px);
}

/* ============== 운영자 결정 결과 카드 ============== */

.action-result {
  margin-top: 18px;
  padding: 16px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  animation: card-fade-in 0.35s ease;
}
.action-result-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 16px;
  flex-shrink: 0;
  color: white;
}
.action-result-body { flex: 1; line-height: 1.5; }
.action-result-title {
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.action-result-meta {
  font-size: 11.5px;
  color: var(--text-secondary);
}
.action-result-meta code {
  font-family: var(--mono);
  font-size: 11px;
  background: rgba(31,42,58,0.06);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text-primary);
}

.action-result.approved {
  background: var(--t3-bg);
  border-color: var(--t3-border);
}
.action-result.approved .action-result-icon { background: var(--ok); }
.action-result.approved .action-result-title { color: var(--t3-text); }

.action-result.held {
  background: var(--t4-bg);
  border-color: var(--t4-border);
}
.action-result.held .action-result-icon { background: var(--warn); }
.action-result.held .action-result-title { color: var(--t4-text); }

.action-result.rejected {
  background: var(--bg-subtle);
  border-color: var(--border);
}
.action-result.rejected .action-result-icon { background: var(--text-secondary); }
.action-result.rejected .action-result-title { color: var(--text-primary); }

.live-tick {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: var(--text-tertiary);
  font-family: var(--mono);
}
.live-tick .dot {
  width: 6px; height: 6px;
  background: var(--danger);
  border-radius: 50%;
  animation: pulse-crit 1.2s ease-in-out infinite;
}