/* 智课云统一决策弹窗：用户端、公共课表页与管理后台共用。 */
.ui-dialog-open { overflow: hidden; }

.ui-dialog-layer {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: grid;
  place-items: center;
  padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right))
    max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  background: rgba(8, 28, 48, .48);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
  overscroll-behavior: contain;
  animation: ui-dialog-fade .16s ease-out both;
}

.ui-dialog-card {
  --dialog-accent: var(--sky2, var(--accent, #0284c7));
  width: min(100%, 30rem);
  max-height: min(82dvh, 44rem);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: var(--text, #102a43);
  background: var(--card, #fff);
  border: 1px solid color-mix(in srgb, var(--dialog-accent) 22%, var(--border, #dbe7f0));
  border-radius: 1.25rem;
  box-shadow: 0 28px 80px rgba(5, 31, 54, .24), 0 4px 18px rgba(5, 31, 54, .12);
  animation: ui-dialog-rise .2s cubic-bezier(.2, .75, .2, 1) both;
}

.ui-dialog-card[data-tone="danger"] { --dialog-accent: #dc2626; }
.ui-dialog-card[data-tone="warning"] { --dialog-accent: #d97706; }
.ui-dialog-card[data-tone="success"] { --dialog-accent: #059669; }

.ui-dialog-head {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: .8rem;
  align-items: center;
  padding: 1.2rem 1.25rem .85rem;
}

.ui-dialog-mark {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border-radius: .9rem;
  color: var(--dialog-accent);
  background: color-mix(in srgb, var(--dialog-accent) 11%, transparent);
  border: 1px solid color-mix(in srgb, var(--dialog-accent) 22%, transparent);
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1;
}

.ui-dialog-title-wrap { min-width: 0; }
.ui-dialog-eyebrow {
  margin: 0 0 .16rem;
  color: var(--dialog-accent);
  font-size: .68rem;
  font-weight: 750;
  letter-spacing: .08em;
}
.ui-dialog-title {
  margin: 0;
  color: var(--text, #102a43);
  font-family: "Noto Serif SC", "Noto Sans SC", sans-serif;
  font-size: 1.08rem;
  line-height: 1.4;
  text-wrap: balance;
}

.ui-dialog-body {
  min-height: 0;
  overflow: auto;
  padding: .15rem 1.25rem 1.1rem;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}
.ui-dialog-message {
  margin: 0;
  color: var(--text2, #334e68);
  font-size: .88rem;
  line-height: 1.75;
  white-space: pre-line;
  overflow-wrap: anywhere;
}
.ui-dialog-detail {
  margin-top: .8rem;
  padding: .72rem .8rem;
  border-left: 3px solid var(--dialog-accent);
  border-radius: .2rem .7rem .7rem .2rem;
  color: var(--muted, #627d98);
  background: color-mix(in srgb, var(--dialog-accent) 6%, var(--bg, #f5f9fc));
  font-size: .78rem;
  line-height: 1.65;
  white-space: pre-line;
  overflow-wrap: anywhere;
}

.ui-dialog-field { margin-top: 1rem; }
.ui-dialog-label {
  display: block;
  margin-bottom: .42rem;
  color: var(--text2, #334e68);
  font-size: .78rem;
  font-weight: 650;
}
.ui-dialog-input {
  width: 100%;
  min-height: 2.75rem;
  padding: .68rem .78rem;
  color: var(--text, #102a43);
  background: var(--bg, #f5f9fc);
  border: 1.5px solid var(--border, #dbe7f0);
  border-radius: .75rem;
  font: inherit;
  font-size: .88rem;
  outline: none;
  transition: border-color .16s ease, box-shadow .16s ease, background-color .16s ease;
}
.ui-dialog-input:focus-visible {
  border-color: var(--dialog-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--dialog-accent) 18%, transparent);
}
.ui-dialog-error {
  min-height: 1.2rem;
  margin-top: .35rem;
  color: #dc2626;
  font-size: .72rem;
  line-height: 1.5;
}

.ui-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: .6rem;
  padding: .9rem 1.25rem calc(.95rem + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg, #f5f9fc) 78%, var(--card, #fff));
  border-top: 1px solid var(--border, #dbe7f0);
}
.ui-dialog-button {
  min-width: 6.5rem;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .62rem 1rem;
  border: 1px solid transparent;
  border-radius: .78rem;
  font: inherit;
  font-size: .84rem;
  font-weight: 700;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: transform .12s ease, box-shadow .16s ease, background-color .16s ease, border-color .16s ease;
}
.ui-dialog-button:hover { transform: translateY(-1px); }
.ui-dialog-button:active { transform: translateY(0); }
.ui-dialog-button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--dialog-accent) 28%, transparent);
  outline-offset: 2px;
}
.ui-dialog-button.secondary {
  color: var(--text2, #334e68);
  background: var(--card, #fff);
  border-color: var(--border, #dbe7f0);
}
.ui-dialog-button.primary {
  color: #fff;
  background: var(--dialog-accent);
  box-shadow: 0 7px 18px color-mix(in srgb, var(--dialog-accent) 24%, transparent);
}
.ui-dialog-button.primary:hover { box-shadow: 0 9px 22px color-mix(in srgb, var(--dialog-accent) 31%, transparent); }

@media (max-width: 640px) {
  .ui-dialog-layer {
    align-items: end;
    padding: max(.65rem, env(safe-area-inset-top)) 0 0;
  }
  .ui-dialog-card {
    width: 100%;
    max-height: calc(100dvh - max(.65rem, env(safe-area-inset-top)));
    border-radius: 1.35rem 1.35rem 0 0;
    border-bottom: 0;
  }
  .ui-dialog-card::before {
    content: "";
    width: 2.4rem;
    height: .25rem;
    margin: .55rem auto -.15rem;
    border-radius: 99px;
    background: color-mix(in srgb, var(--muted, #627d98) 35%, transparent);
  }
  .ui-dialog-head { padding: 1rem 1rem .7rem; }
  .ui-dialog-body { padding: .1rem 1rem .9rem; }
  .ui-dialog-actions {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    padding: .75rem 1rem calc(.75rem + env(safe-area-inset-bottom));
  }
  .ui-dialog-button { min-width: 0; min-height: 3rem; }
  .ui-dialog-actions.single { grid-template-columns: 1fr; }
}

@keyframes ui-dialog-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes ui-dialog-rise { from { opacity: 0; transform: translateY(.7rem) scale(.98); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .ui-dialog-layer, .ui-dialog-card { animation: none; }
  .ui-dialog-button, .ui-dialog-input { transition: none; }
}