/* ============================================
 * 三足鸟报关系统 — 共享样式表
 * 提取自 DESIGN.md，供所有原型页面引用
 * ============================================ */

/* --- CSS Variables --- */
:root {
  /* Primary */
  --color-primary: #0B5FAE;
  --color-primary-deep: #0A4E8E;
  --color-primary-press: #083D6E;
  --color-primary-soft: #3B8DD9;
  --color-primary-bg: #E1F0FB;
  --color-primary-border: #BFDCEF;

  /* Brand Dark */
  --color-brand-dark: #0F2438;
  --color-brand-dark-2: #1B3550;
  --color-brand-dark-3: #2A4A66;

  /* Accent */
  --color-accent: #F59E0B;
  --color-accent-deep: #D97706;
  --color-accent-bg: #FEF3C7;

  /* Operator Identity Colors */
  --color-operator-a: #0B5FAE;
  --color-operator-b: #7C3AED;
  --color-operator-c: #059669;
  --color-operator-d: #D97706;
  --color-operator-e: #DC2626;
  --color-operator-f: #0891B2;

  /* Neutral / Gray */
  --color-ink: #0F172A;
  --color-ink-secondary: #334155;
  --color-ink-muted: #64748B;
  --color-ink-disabled: #94A3B8;
  --color-border: #CBD5E1;
  --color-border-light: #E2E8F0;
  --color-surface: #F1F5F9;
  --color-surface-2: #F8FAFC;
  --color-canvas: #FFFFFF;

  /* Semantic */
  --color-success: #16A34A;
  --color-success-deep: #15803D;
  --color-success-bg: #DCFCE7;
  --color-warning: #F59E0B;
  --color-warning-bg: #FEF3C7;
  --color-error: #DC2626;
  --color-error-bg: #FEE2E2;
  --color-info: #0B5FAE;
  --color-info-bg: #E1F0FB;

  /* Shadows */
  --shadow-xs: none;
  --shadow-sm: 0 1px 2px rgba(15, 36, 56, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 36, 56, 0.08), 0 1px 3px rgba(15, 36, 56, 0.04);
  --shadow-lg: 0 8px 24px rgba(15, 36, 56, 0.12), 0 2px 6px rgba(15, 36, 56, 0.04);
  --shadow-xl: 0 20px 60px rgba(15, 36, 56, 0.16);
  --shadow-focus: 0 0 0 3px rgba(11, 95, 174, 0.12);

  /* Fonts */
  --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;

  /* Z-index */
  --z-base: 0;
  --z-sticky: 10;
  --z-dropdown: 100;
  --z-sidebar: 200;
  --z-modal: 1000;
  --z-toast: 1100;
}

/* --- Reset --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-ink);
  background: var(--color-surface-2);
  font-feature-settings: "tnum";
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Buttons --- */
.btn-primary {
  background: var(--color-primary);
  color: #FFF;
  font: 500 14px/1 var(--font-sans);
  padding: 8px 20px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-primary:hover { background: var(--color-primary-deep); }
.btn-primary:active { background: var(--color-primary-press); }
.btn-primary:disabled { background: var(--color-ink-disabled); cursor: not-allowed; }

.btn-secondary {
  background: #FFF;
  color: var(--color-ink-secondary);
  font: 500 14px/1 var(--font-sans);
  padding: 8px 20px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-secondary:hover { background: var(--color-surface); border-color: var(--color-ink-muted); }

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  font: 500 13px/1 var(--font-sans);
  padding: 4px 12px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-ghost:hover { background: var(--color-primary-bg); }

.btn-danger {
  background: var(--color-error);
  color: #FFF;
  font: 500 14px/1 var(--font-sans);
  padding: 8px 20px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
}
.btn-danger:hover { background: #B91C1C; }

/* --- Cards --- */
.card {
  background: #FFF;
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  padding: 24px;
}
.card-header {
  font: 600 18px/1.4 var(--font-sans);
  color: var(--color-ink);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-dense { padding: 16px; }

/* --- Inputs --- */
.input {
  background: #FFF;
  color: var(--color-ink);
  font: 400 14px/1.5 var(--font-sans);
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
  outline: none;
}
.input::placeholder { color: var(--color-ink-muted); }
.input:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}
.input:disabled { background: var(--color-surface-2); color: var(--color-ink-disabled); }
.input.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}
.input-code {
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
  font-size: 13px;
}
.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5l3 3 3-3' stroke='%2364748B' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-position: right 12px center;
  background-repeat: no-repeat;
  padding-right: 36px;
}

/* --- Form --- */
.form-group { margin-bottom: 16px; }
.form-label {
  font: 500 13px/1.4 var(--font-sans);
  color: var(--color-ink-secondary);
  margin-bottom: 6px;
  display: block;
}
.form-label .required { color: var(--color-error); margin-left: 2px; }
.form-row { display: grid; gap: 16px; }
.form-row-2 { grid-template-columns: 1fr 1fr; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }
.form-hint {
  font: 400 12px/1.4 var(--font-sans);
  color: var(--color-ink-muted);
  margin-top: 4px;
}
.form-error {
  font: 400 12px/1.4 var(--font-sans);
  color: var(--color-error);
  margin-top: 4px;
}

/* --- Sidebar (Operator) --- */
.sidebar {
  background: var(--color-brand-dark);
  width: 240px;
  min-height: 100vh;
  color: #94A3B8;
  font: 400 14px/1 var(--font-sans);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: var(--z-sidebar);
}
.sidebar-logo {
  padding: 16px 24px;
  font: 600 16px/1 var(--font-sans);
  color: #FFF;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-logo .logo-icon {
  width: 28px; height: 28px;
  background: var(--color-primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.nav-group-label {
  font: 500 11px/1 var(--font-sans);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #475569;
  padding: 16px 24px 8px;
}
.nav-item {
  padding: 10px 16px 10px 24px;
  border-radius: 6px;
  margin: 2px 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #94A3B8;
  transition: all 0.15s;
  cursor: pointer;
  text-decoration: none;
  box-sizing: border-box;
}
.nav-item:hover { background: var(--color-brand-dark-2); color: #FFF; }
.nav-item.active {
  background: var(--color-brand-dark-3);
  color: #FFF;
  font-weight: 500;
}
.nav-item .nav-icon { width: 18px; text-align: center; font-size: 15px; }
.nav-item .nav-badge {
  margin-left: auto;
  font: 600 11px/1 var(--font-sans);
  background: var(--color-primary);
  color: #FFF;
  padding: 2px 7px;
  border-radius: 9999px;
}

/* --- Sidebar (Customer) --- */
.sidebar-customer {
  background: var(--color-surface-2);
  width: 240px;
  min-height: 100vh;
  border-right: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: var(--z-sidebar);
}
.sidebar-customer .nav-item {
  color: var(--color-ink-secondary);
}
.sidebar-customer .nav-item:hover { background: var(--color-surface); color: var(--color-ink); }
.sidebar-customer .nav-item.active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-weight: 500;
}
.sidebar-customer .nav-group-label { color: var(--color-ink-muted); }

/* --- Top Bar (Operator) --- */
.topbar {
  background: #FFF;
  border-bottom: 1px solid var(--color-border-light);
  height: 48px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}
.topbar-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #FFF;
  font: 600 12px/28px var(--font-sans);
  text-align: center;
  text-transform: uppercase;
}
.topbar-operator-name {
  font: 500 13px/1 var(--font-sans);
  color: var(--color-ink);
}
.topbar-system-name {
  font: 500 14px/1 var(--font-sans);
  color: var(--color-ink-muted);
  margin: 0 auto;
}
.topbar-admin-badge {
  font: 500 11px/1 var(--font-sans);
  color: #7C3AED;
  background: #F3E8FF;
  padding: 3px 10px;
  border-radius: 9999px;
}
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-icon-btn {
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  color: var(--color-ink-muted);
  padding: 4px;
}
.topbar-icon-btn .notif-badge {
  position: absolute;
  top: -2px; right: -4px;
  font: 600 10px/1 var(--font-sans);
  background: var(--color-error);
  color: #FFF;
  padding: 2px 5px;
  border-radius: 9999px;
  min-width: 16px;
  text-align: center;
}

/* --- Top Bar (Customer) --- */
.topbar-customer {
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border-light);
  height: 48px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}
.topbar-customer-badge {
  font: 500 13px/1 var(--font-sans);
  color: var(--color-primary);
  background: var(--color-primary-bg);
  padding: 5px 14px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.customer-operator-tag {
  font: 400 12px/1 var(--font-sans);
  color: var(--color-ink-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.customer-operator-tag::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  display: inline-block;
}

/* --- Badges --- */
.badge {
  font: 500 11px/1 var(--font-sans);
  letter-spacing: 0.3px;
  padding: 3px 8px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.badge-success { background: var(--color-success-bg); color: var(--color-success-deep); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-accent-deep); }
.badge-error   { background: var(--color-error-bg);   color: var(--color-error); }
.badge-info    { background: var(--color-info-bg);    color: var(--color-primary); }
.badge-neutral { background: var(--color-surface);    color: var(--color-ink-muted); }
.badge-draft      { background: #E2E8F0; color: #64748B; }
.badge-submitted  { background: var(--color-warning-bg); color: var(--color-accent-deep); }
.badge-processing { background: var(--color-info-bg); color: var(--color-primary); }
.badge-released   { background: var(--color-success-bg); color: var(--color-success-deep); }
.badge-done       { background: var(--color-success-bg); color: var(--color-success-deep); }
.badge-returned   { background: var(--color-error-bg);   color: var(--color-error); }

.tag-type {
  font: 500 12px/1 var(--font-sans);
  padding: 2px 8px;
  border-radius: 9999px;
  border: 1px solid var(--color-border);
  color: var(--color-ink-secondary);
  background: #FFF;
}

/* --- Data Table --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font: 400 14px/1.5 var(--font-sans);
  font-feature-settings: "tnum";
}
.data-table thead th {
  background: var(--color-surface);
  font: 500 12px/1.4 var(--font-sans);
  letter-spacing: 0.3px;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
}
.data-table tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-ink);
  vertical-align: middle;
}
.data-table tbody tr:nth-child(even) { background: var(--color-surface-2); }
.data-table tbody tr:hover { background: var(--color-primary-bg); }
.data-table .cell-code { font-family: var(--font-mono); font-size: 13px; }
.data-table .cell-number { text-align: right; font-feature-settings: "tnum"; }

/* --- Operator Row Marker --- */
.row-marker-a { border-left: 3px solid var(--color-operator-a); }
.row-marker-b { border-left: 3px solid var(--color-operator-b); }
.row-marker-c { border-left: 3px solid var(--color-operator-c); }
.operator-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}

/* --- Main Content Layout --- */
.main-wrapper {
  display: flex;
  min-height: 100vh;
}
.main-content {
  flex: 1;
  margin-left: 240px;
  padding: 24px 32px;
  max-width: calc(1440px - 240px);
}
.main-content-customer {
  flex: 1;
  margin-left: 240px;
}

/* --- Page Title --- */
.page-title {
  font: 600 28px/1.2 var(--font-sans);
  color: var(--color-ink);
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}
.section-title {
  font: 600 18px/1.4 var(--font-sans);
  color: var(--color-ink);
  margin-bottom: 16px;
}

/* --- Stat Cards --- */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: #FFF;
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}
.stat-card .stat-number {
  font: 600 28px/1.2 var(--font-sans);
  font-feature-settings: "tnum";
}
.stat-card .stat-label {
  font: 400 12px/1 var(--font-sans);
  color: var(--color-ink-muted);
  margin-top: 4px;
}
.stat-card.stat-submitted .stat-number { color: var(--color-accent); }
.stat-card.stat-processing .stat-number { color: var(--color-primary); }
.stat-card.stat-released .stat-number { color: var(--color-success); }

/* --- Pending Queue --- */
.pending-queue {
  border-top: 3px solid var(--color-primary);
}
.pending-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border-light);
  transition: background 0.15s;
}
.pending-item:hover { background: var(--color-primary-bg); }
.pending-item:last-child { border-bottom: none; }
.pending-item.is-new {
  border-left: 3px solid var(--color-primary);
  background: #F8FAFE;
}
.pending-item .pending-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.pending-item .awb-code {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}
.pending-item .pending-info {
  font-size: 12px;
  color: var(--color-ink-muted);
  display: flex;
  gap: 16px;
}
.pending-item .pending-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* --- Entry Progress --- */
.entry-progress {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 24px;
}
.entry-progress-step {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 500 13px/1 var(--font-sans);
  color: var(--color-ink-muted);
  flex: 0 0 auto;
}
.entry-progress-step.active { color: var(--color-primary); }
.entry-progress-step.completed { color: var(--color-success); }
.entry-progress-step .step-number {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
}
.entry-progress-step.active .step-number {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFF;
}
.entry-progress-step.completed .step-number {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #FFF;
}
.entry-progress-connector {
  flex: 1;
  height: 2px;
  background: var(--color-border-light);
  margin: 0 12px;
}
.entry-progress-connector.completed { background: var(--color-success); }

/* --- Config Matrix --- */
.config-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.config-tab-group { display: flex; gap: 8px; }
.config-tab {
  font: 500 13px/1 var(--font-sans);
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: #FFF;
  color: var(--color-ink-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.config-tab.active {
  background: var(--color-primary);
  color: #FFF;
  border-color: var(--color-primary);
}
.config-tab:hover:not(.active) { background: var(--color-surface); color: var(--color-ink); }

.cargo-type-toggle {
  display: flex;
  gap: 4px;
  background: var(--color-surface);
  border-radius: 6px;
  padding: 3px;
}
.cargo-type-toggle button {
  font: 500 12px/1 var(--font-sans);
  padding: 6px 14px;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: var(--color-ink-muted);
  cursor: pointer;
}
.cargo-type-toggle button.active {
  background: var(--color-primary);
  color: #FFF;
}

.config-cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.config-card {
  background: #FFF;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}
.config-card.configured {
  border-color: var(--color-primary-soft);
}
.config-card.unconfigured {
  border: 1px dashed var(--color-border);
}
.config-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border-light);
}
.config-card.configured .config-card-header {
  background: var(--color-primary-bg);
}
.config-card.unconfigured .config-card-header {
  background: var(--color-surface);
}
.config-card-title {
  font: 500 14px/1 var(--font-sans);
  color: var(--color-ink);
}
.config-card.unconfigured .config-card-title {
  color: var(--color-ink-disabled);
}
.config-card-badge {
  font: 500 10px/1 var(--font-sans);
  letter-spacing: 0.3px;
  padding: 3px 8px;
  border-radius: 9999px;
}
.config-card-badge.on {
  background: var(--color-success-bg);
  color: var(--color-success-deep);
}
.config-card-badge.off {
  background: var(--color-surface);
  color: var(--color-ink-disabled);
}
.config-card-body { padding: 14px; }
.config-field { margin-bottom: 12px; }
.config-field:last-child { margin-bottom: 0; }
.config-field-label {
  font: 500 11px/1 var(--font-sans);
  color: var(--color-ink-secondary);
  margin-bottom: 4px;
  display: block;
}
.config-field-input {
  width: 100%;
  font: 400 13px/1.4 var(--font-sans);
  color: var(--color-ink);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  padding: 6px 10px;
  transition: all 0.15s;
  outline: none;
}
.config-field-input:focus {
  border-color: var(--color-primary);
  background: #FFF;
  box-shadow: 0 0 0 2px rgba(11, 95, 174, 0.1);
}
.config-field-input.input-code {
  font-family: var(--font-mono);
  font-size: 12px;
}
.config-enable-btn {
  width: 100%;
  font: 500 12px/1 var(--font-sans);
  color: #FFF;
  background: var(--color-primary);
  border: none;
  border-radius: 6px;
  padding: 8px 0;
  cursor: pointer;
  margin: 12px 0;
  transition: background 0.15s;
}
.config-enable-btn:hover { background: var(--color-primary-deep); }

.config-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--color-border-light);
  margin-top: 20px;
}
.config-summary {
  font: 400 12px/1 var(--font-sans);
  color: var(--color-ink-muted);
}

/* --- Modal --- */
.modal-overlay {
  background: rgba(15, 36, 56, 0.5);
  backdrop-filter: blur(2px);
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal {
  background: #FFF;
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
  max-width: 640px;
  width: 90%;
  max-height: 85vh;
  overflow: auto;
}
.modal-header {
  font: 600 18px/1.4 var(--font-sans);
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--color-border-light);
}
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* --- Toast --- */
.toast {
  position: fixed;
  top: 60px;
  right: 24px;
  z-index: var(--z-toast);
  font: 500 14px/1.4 var(--font-sans);
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  animation: toast-slide 0.3s ease-out;
}
.toast-success { background: var(--color-success); color: #FFF; }
.toast-error { background: var(--color-error); color: #FFF; }
.toast-warning { background: var(--color-accent); color: #FFF; }
@keyframes toast-slide {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* --- Workflow Panel --- */
.workflow-panel {
  display: flex;
  align-items: flex-start;
  gap: 0;
  padding: 24px;
  overflow-x: auto;
}
.workflow-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 100px;
}
.workflow-node-dot {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font: 600 13px/1 var(--font-sans);
  border: 2px solid var(--color-border);
  background: #FFF;
  color: var(--color-ink-muted);
}
.workflow-node.ok .workflow-node-dot {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #FFF;
}
.workflow-node.pending .workflow-node-dot {
  background: var(--color-warning-bg);
  border-color: var(--color-accent);
  color: var(--color-accent-deep);
}
.workflow-node.na .workflow-node-dot {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-ink-disabled);
}
.workflow-node-label {
  font: 500 11px/1.3 var(--font-sans);
  color: var(--color-ink-secondary);
  text-align: center;
  white-space: nowrap;
}
.workflow-connector {
  width: 24px;
  height: 2px;
  background: var(--color-border-light);
  margin-top: 15px;
  flex-shrink: 0;
}
.workflow-connector.completed { background: var(--color-success); }

/* --- Filter Bar --- */
.filter-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.filter-bar .input,
.filter-bar .select {
  width: auto;
  min-width: 150px;
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-ink-muted);
}
.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.4;
}
.empty-state-text {
  font: 400 14px/1.5 var(--font-sans);
  margin-bottom: 16px;
}

/* --- Pulse Animation --- */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.pulse { animation: pulse 1.5s ease-in-out infinite; }