/* interactions.css — 全局交互组件：modal/toast/drawer/loading/coachmark */

/* ============================================================
   Toast (浮动消息)
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 200;
  pointer-events: none;
}
.toast {
  background: var(--gray-900);
  color: var(--gray-50);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 280px;
  max-width: 420px;
  font-size: var(--text-sm);
  pointer-events: auto;
  animation: toast-in 240ms var(--ease-out);
  border: 1px solid rgba(255,255,255,0.06);
}
[data-theme="dark"] .toast {
  background: var(--gray-100);
  color: var(--gray-900);
  border-color: rgba(0,0,0,0.06);
}
.toast .ic {
  width: 18px; height: 18px;
  flex-shrink: 0;
}
.toast.success .ic { color: var(--positive); }
.toast.warning .ic { color: var(--warning); }
.toast.danger .ic { color: var(--danger); }
.toast.info .ic { color: var(--accent-300); }
[data-theme="dark"] .toast.info .ic { color: var(--accent); }
.toast .body { flex: 1; min-width: 0; }
.toast .body strong { display: block; font-weight: var(--weight-semibold); margin-bottom: 1px; }
.toast .body small { display: block; opacity: 0.7; font-size: var(--text-xs); }
.toast .close {
  width: 20px; height: 20px;
  display: grid; place-items: center;
  opacity: 0.6; border-radius: var(--radius-xs);
  flex-shrink: 0;
}
.toast .close:hover { opacity: 1; background: rgba(255,255,255,0.1); }
[data-theme="dark"] .toast .close:hover { background: rgba(0,0,0,0.06); }
@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(20px); }
}
.toast.leaving { animation: toast-out 200ms var(--ease-out) forwards; }

/* ============================================================
   Modal
   ============================================================ */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(14, 16, 25, 0.45);
  backdrop-filter: blur(6px);
  z-index: 150;
  display: grid;
  place-items: center;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms var(--ease-out);
}
.modal-mask.open { opacity: 1; pointer-events: auto; }

.modal-box {
  background: var(--bg-page);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95) translateY(10px);
  transition: transform 240ms var(--ease-out);
  border: 1px solid var(--border-subtle);
}
.modal-box.wide { max-width: 720px; }
.modal-box.narrow { max-width: 420px; }
.modal-mask.open .modal-box { transform: scale(1) translateY(0); }

.modal-head {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-faint);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-shrink: 0;
}
.modal-title {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-snug);
  margin: 0;
}
.modal-title small {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-regular);
  color: var(--text-tertiary);
  margin-top: 2px;
}
.modal-body {
  flex: 1;
  overflow: auto;
  padding: var(--space-5) var(--space-6);
}
.modal-body-flush { padding: 0; flex: 1; overflow: auto; }
.modal-foot {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-faint);
  display: flex;
  gap: var(--space-2);
  align-items: center;
  background: var(--bg-soft);
  flex-shrink: 0;
}
.modal-foot .grow { flex: 1; }

/* ============================================================
   Form fields in modal
   ============================================================ */
.form-row {
  margin-bottom: var(--space-4);
}
.form-row label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: var(--tracking-snug);
}
.form-row label .req { color: var(--danger); margin-left: 2px; }
.form-row .help {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 4px;
  line-height: var(--leading-snug);
}
textarea.input {
  height: auto;
  min-height: 80px;
  padding: var(--space-3);
  resize: vertical;
  font-family: var(--font-sans);
}

/* Segment tabs in modal */
.seg-tabs {
  display: flex;
  background: var(--bg-soft);
  border: 1px solid var(--border-faint);
  border-radius: var(--radius-md);
  padding: 3px;
  margin-bottom: var(--space-5);
}
.seg-tab {
  flex: 1;
  padding: 8px 12px;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-tertiary);
  border-radius: var(--radius-sm);
  text-align: center;
  transition: all var(--duration-fast);
}
.seg-tab.active {
  background: var(--bg-page);
  color: var(--text-primary);
  box-shadow: var(--shadow-xs);
}

/* SKU list in picker */
.sku-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 360px;
  overflow: auto;
}
.sku-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--duration-fast);
}
.sku-row:hover { background: var(--bg-soft); }
.sku-row.selected {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.sku-row .thumb {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  border: 1px solid var(--border-faint);
  display: grid;
  place-items: center;
  font-size: var(--text-md);
  flex-shrink: 0;
}
.sku-row .info { flex: 1; min-width: 0; }
.sku-row .info .nm {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  margin-bottom: 2px;
}
.sku-row .info .mt {
  font-size: 11px;
  color: var(--text-tertiary);
}
.sku-row .check {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 1.5px solid var(--border-default);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: transparent;
  transition: all var(--duration-fast);
}
.sku-row.selected .check {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* ============================================================
   Wizard progress in modal
   ============================================================ */
.wiz-steps {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 0 var(--space-5);
  border-bottom: 1px solid var(--border-faint);
  margin-bottom: var(--space-5);
}
.wiz-step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}
.wiz-step .ix {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  background: var(--bg-page);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 10px;
}
.wiz-step.done { color: var(--positive); }
.wiz-step.done .ix { background: var(--positive); border-color: var(--positive); color: white; }
.wiz-step.active { color: var(--accent); }
.wiz-step.active .ix { background: var(--accent); border-color: var(--accent); color: white; }
.wiz-step .nm { font-weight: var(--weight-medium); }
.wiz-line {
  flex: 1;
  height: 1px;
  background: var(--border-faint);
}

/* ============================================================
   Coachmark / Onboarding spotlight
   ============================================================ */
.coach-overlay {
  position: fixed; inset: 0;
  background: rgba(14, 16, 25, 0.5);
  z-index: 140;
  pointer-events: auto;
  opacity: 0;
  transition: opacity 240ms var(--ease-out);
}
.coach-overlay.open { opacity: 1; }
.coach-card {
  position: fixed;
  background: var(--bg-page);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  width: 320px;
  box-shadow: var(--shadow-lg);
  z-index: 145;
}
.coach-card .step-ix {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  margin-bottom: 8px;
}
.coach-card h4 {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  margin: 0 0 6px;
}
.coach-card p {
  margin: 0 0 var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-snug);
}
.coach-card .actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.coach-card .dots {
  display: flex;
  gap: 4px;
  margin-right: auto;
}
.coach-card .dots span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--border-default);
}
.coach-card .dots span.on { background: var(--accent); width: 16px; border-radius: 3px; }

/* ============================================================
   Loading
   ============================================================ */
.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border-default);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
  vertical-align: middle;
}
.spinner.sm { width: 12px; height: 12px; border-width: 1.5px; }
.spinner.lg { width: 28px; height: 28px; border-width: 3px; }
.spinner.on-accent { border-color: rgba(255,255,255,0.3); border-top-color: white; }
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Skeleton */
.skel {
  background: linear-gradient(90deg, var(--bg-soft) 0%, var(--bg-muted) 50%, var(--bg-soft) 100%);
  background-size: 200% 100%;
  border-radius: var(--radius-sm);
  animation: skel-pulse 1.4s ease-in-out infinite;
}
@keyframes skel-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skel-line { height: 12px; margin-bottom: 6px; }
.skel-line.short { width: 40%; }
.skel-block { height: 80px; }

/* Page transitions */
.page-loader {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--accent);
  z-index: 999;
  width: 0%;
  transition: width 300ms var(--ease-out);
}
.page-loader.loading { width: 80%; }
.page-loader.done { width: 100%; opacity: 0; transition: opacity 200ms; }

/* Confirm dialog (small) */
.confirm-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  margin: 0 auto var(--space-4);
}
.confirm-icon.success { background: var(--positive-soft); color: var(--positive-600); }
.confirm-icon.warning { background: var(--warning-soft); color: var(--warning-600); }
.confirm-icon.danger { background: var(--danger-soft); color: var(--danger-600); }
.confirm-icon.info { background: var(--accent-soft); color: var(--accent); }
[data-theme="dark"] .confirm-icon.success { color: #86EFAC; }
[data-theme="dark"] .confirm-icon.warning { color: #FCD34D; }
[data-theme="dark"] .confirm-icon.danger { color: #FCA5A5; }

/* Inline button with badge (e.g. 候选池 with count) */
.btn-with-count .count-badge {
  display: inline-grid;
  place-items: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: white;
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-left: 4px;
}
[data-theme="dark"] .btn-with-count .count-badge { background: var(--gray-900); }