/* PostOne 美化弹窗（参考 youtem/supdoc SupfileModal，适配本站 CSS 变量） */

.po-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .22s ease, visibility .22s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-sizing: border-box;
}
.po-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.po-modal {
  width: 100%;
  max-width: 400px;
  max-height: min(92vh, calc(100vh - 2rem));
  display: flex;
  flex-direction: column;
  background: var(--card, #fff);
  border: 1px solid var(--line, #e5e7eb);
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.18);
  transform: scale(0.94) translateY(12px);
  transition: transform .22s ease;
  overflow: hidden;
  margin: auto;
  box-sizing: border-box;
}
.po-modal.po-modal-wide { max-width: 560px; }
.po-modal-body-custom { background: var(--card, #fff); }
.po-modal-overlay.active .po-modal {
  transform: scale(1) translateY(0);
}

.po-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--accent, #0f766e), #0b3d3a);
  color: #fff;
  flex-shrink: 0;
}
.po-modal-title {
  margin: 0;
  font-size: 15px;
  font-weight: 650;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
}
.po-modal-close,
.po-modal-close-danger {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 50%;
  background: #dc2626;
  color: #fff;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: 0 1px 2px rgba(0,0,0,.18);
}
.po-modal-close:hover,
.po-modal-close-danger:hover {
  background: #b91c1c;
  color: #fff;
  border-color: transparent;
}

.po-modal-body {
  padding: 18px 16px;
  background: var(--bg, #f8fafc);
  color: var(--ink, #111827);
  font-size: 14px;
  line-height: 1.6;
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.po-modal-message { margin: 0; word-break: break-word; }

.po-modal-input {
  width: 100%;
  margin-top: 4px;
  padding: 10px 12px;
  border: 1px solid var(--line, #e5e7eb);
  border-radius: 8px;
  background: var(--card, #fff);
  color: var(--ink, #111827);
  font: inherit;
  box-sizing: border-box;
}
.po-modal-input:focus {
  outline: none;
  border-color: var(--accent, #0f766e);
  box-shadow: 0 0 0 3px var(--accent-soft, #e6f3f1);
}

.po-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--line, #e5e7eb);
  background: var(--card, #fff);
  flex-shrink: 0;
}

.po-modal-btn {
  min-width: 76px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--line, #e5e7eb);
  background: var(--card, #fff);
  color: var(--ink, #111827);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
/* 覆盖 app.css 全局 button:hover 的 color:accent，避免主钮白字消失 */
.po-modal-overlay button.po-modal-btn-primary,
.po-modal-overlay button.po-modal-btn-primary:hover,
.po-modal-overlay button.po-modal-btn-primary:focus {
  background: var(--accent, #0f766e);
  border-color: var(--accent, #0f766e);
  color: #fff;
  filter: none;
}
.po-modal-overlay button.po-modal-btn-primary:hover {
  filter: brightness(1.08);
  color: #fff;
}
.po-modal-overlay button.po-modal-btn-secondary:hover,
.po-modal-overlay button.po-modal-btn-secondary:focus {
  border-color: var(--accent, #0f766e);
  color: var(--accent, #0f766e);
  background: var(--card, #fff);
}

/* Toast */
.po-toast {
  position: fixed;
  left: 50%;
  top: 18%;
  transform: translate(-50%, -8px);
  z-index: 10001;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: min(92vw, 420px);
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--card, #fff);
  border: 1px solid var(--line, #e5e7eb);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.16);
  color: var(--ink, #111827);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.po-toast.active {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
  cursor: pointer;
}
.po-toast-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  color: #fff;
}
.po-toast-icon.info { background: #64748b; }
.po-toast-icon.success { background: #0f766e; }
.po-toast-icon.error { background: #dc2626; }
.po-toast-icon.warning { background: #d97706; }
.po-toast-text { line-height: 1.45; word-break: break-word; }

/* 横向滑动确认 */
.po-slide-track {
  position: relative;
  height: 48px;
  margin-top: 14px;
  border-radius: 999px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  overflow: hidden;
  user-select: none;
  touch-action: none;
}
.po-slide-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: linear-gradient(90deg, #fca5a5, #dc2626);
  border-radius: 999px;
  pointer-events: none;
}
.po-slide-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 36px;
  font-size: 13px;
  font-weight: 600;
  color: #9f1239;
  pointer-events: none;
  letter-spacing: 0.02em;
  z-index: 1;
  transition: color 0.12s ease;
}
.po-slide-hint.is-over-fill {
  color: #fff;
  text-shadow: 0 1px 2px rgba(127, 29, 29, 0.35);
}
.po-slide-knob {
  position: absolute;
  left: 4px;
  top: 4px;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: #fff;
  color: #dc2626;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.22);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  z-index: 2;
  font-size: 1.35rem;
  line-height: 1;
  padding: 0;
}
.po-slide-knob:active,
.po-slide-knob.is-dragging { cursor: grabbing; }
.po-slide-track.is-done .po-slide-fill {
  background: linear-gradient(90deg, #dc2626, #991b1b);
}
.po-slide-track.is-done .po-slide-knob {
  color: #b91c1c;
}

/* 暗色主题：滑轨/提示/滑块与删除语义一致，保证对比度 */
body.theme-dark .po-slide-track {
  background: color-mix(in srgb, #7f1d1d 42%, var(--card, #212124));
  border-color: #991b1b;
}
body.theme-dark .po-slide-fill {
  background: linear-gradient(90deg, #f87171, #dc2626);
}
body.theme-dark .po-slide-hint {
  color: #fecaca;
}
body.theme-dark .po-slide-hint.is-over-fill {
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
}
body.theme-dark .po-slide-knob,
body.theme-dark .po-slide-knob .bx,
body.theme-dark .po-slide-knob i {
  background: #2a2a2e;
  color: #f87171;
  border: 1px solid #991b1b;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}
body.theme-dark .po-slide-knob .bx,
body.theme-dark .po-slide-knob i {
  background: transparent;
  border: 0;
  box-shadow: none;
}
body.theme-dark .po-slide-track.is-done .po-slide-fill {
  background: linear-gradient(90deg, #ef4444, #991b1b);
}
body.theme-dark .po-slide-track.is-done .po-slide-knob,
body.theme-dark .po-slide-track.is-done .po-slide-knob .bx,
body.theme-dark .po-slide-track.is-done .po-slide-knob i {
  color: #fecaca;
}

body.admin-body .po-modal-header {
  background: linear-gradient(135deg, #173a6b, #0b1220);
}
body.admin-body .po-modal-overlay button.po-modal-btn-primary,
body.admin-body .po-modal-overlay button.po-modal-btn-primary:hover,
body.admin-body .po-modal-overlay button.po-modal-btn-primary:focus {
  background: #1f4ea3;
  border-color: #1f4ea3;
  color: #fff;
}
body.admin-body .po-slide-track {
  background: #fef2f2;
  border-color: #fecaca;
}
body.admin-body .po-slide-fill {
  background: linear-gradient(90deg, #fca5a5, #dc2626);
}
body.admin-body .po-slide-knob { color: #dc2626; }
body.admin-body .po-slide-track.is-done .po-slide-fill {
  background: linear-gradient(90deg, #dc2626, #991b1b);
}
body.admin-body .po-toast-icon.success { background: #1f4ea3; }