host-dialog.css

/* Atomic Pro Desk / Vintage Hardware Dialogs */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1200; display: none; align-items: center; justify-content: center;
  background: rgba(43, 40, 37, 0.6); backdrop-filter: blur(4px);
  /* 120ms 淡入淡出——避免"按一下卡一下"的瞬间空白；
     display: discrete 让 display:none 也参与 transition 时序（先 opacity → 后 display）。
     @starting-style 提供 is-open 类首次匹配时的起始 opacity:0，从而触发 0→1 过渡 */
  opacity: 0;
  transition: opacity 120ms ease, display 120ms ease allow-discrete;
}
.modal-overlay.is-open { display: flex; opacity: 1; }
@starting-style {
  .modal-overlay.is-open { opacity: 0; }
}

.modal-dialog {
  width: min(420px, calc(100vw - 32px)); padding: 20px 20px 16px;
  border: 1px solid #8F8A80; border-radius: var(--radius); background: #ECE8DE;
  box-shadow: 0 20px 48px rgba(0,0,0,0.2), inset 0 1px 0 #FFF;
}
.modal-dialog--compact { width: min(340px, calc(100vw - 32px)); }

.modal-title {
  margin-bottom: 8px; color: #2B2825; font-family: 'Oswald', sans-serif; font-size: 16px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px;
}

.modal-hint { margin-bottom: 16px; color: #666158; font-size: 11px; line-height: 1.5; }

.modal-field { display: flex; flex-direction: column; gap: var(--gap-sm); }
.modal-field + .modal-field { margin-top: 14px; }

.modal-label { color: #666158; font-family: 'Oswald', sans-serif; font-size: 11px; letter-spacing: 0.5px; text-transform: uppercase;}

.modal-summary {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
  padding: 10px 12px;
  border: 1px solid #CFC8BB;
  border-radius: var(--radius-sm);
  background: #F8F5EE;
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.8);
}

.modal-summary-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--gap-md);
}

.modal-summary-label {
  color: #666158;
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.modal-summary-value {
  color: #2B2825;
  font-size: 12px;
  text-align: right;
}

.modal-select {
  width: 100%; min-height: 32px; padding: 0 10px; border: 1px solid #C2BCAE; border-radius: var(--radius-sm);
  background: #F8F5EE; color: #2B2825; font: inherit; outline: none; box-shadow: inset 0 1px 2px rgba(0,0,0,0.03);
}
.modal-select:focus { border-color: #3B8B88; }

.modal-actions { display: flex; justify-content: flex-end; gap: var(--gap-sm); margin-top: 20px; }

.modal-btn {
  min-width: 84px; height: 32px; border: 1px solid #C2BCAE; border-radius: var(--radius-sm); font: inherit; font-size: 11px; font-weight: 600; cursor: pointer; transition: all 0.1s;
}
.modal-btn.secondary {
  background: linear-gradient(180deg, #FFFFFF 0%, #F0EDE5 100%); color: #2B2825; box-shadow: 0 1px 1px rgba(0,0,0,0.05), inset 0 1px 0 #FFF;
}
.modal-btn.secondary:hover { background: var(--hover-bg); }

.modal-btn.primary {
  background: #3B8B88; color: #FFF; border: 1px solid #276B69; box-shadow: inset 0 1px 0 rgba(255,255,255,0.2), 0 1px 2px rgba(59,139,136,0.2);
}
.modal-btn.primary:hover:not(:disabled) { background: #327A77; }
.modal-btn:disabled { opacity: 0.45; cursor: not-allowed; box-shadow: none;}

.modal-progress { margin-top: 16px; }
.modal-progress-bar { height: 6px; overflow: hidden; border-radius: 3px; background: #CCC5B7; box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);}
.modal-progress-fill { width: 18%; height: 100%; border-radius: 3px; background: #3B8B88; transition: width 0.2s ease; }

.export-progress-text { margin-top: 6px; font-size: 11px; color: #7A7468; min-height: 16px; }
.export-progress-section { margin-top: 8px; }
.export-warning-text { font-size: 11px; color: #C0392B; min-height: 0; display: none; margin-top: 10px; }
.export-warning-text.visible { display: block; }

.export-actions { flex-wrap: wrap; }
.export-actions .modal-btn { min-width: 0; flex: 1 1 auto; }
.export-actions #btn-export-audio-cancel { flex: 0 0 auto; min-width: 56px; }

.modal-overlay#export-audio-modal.visible,
.modal-overlay#ustx-export-modal.visible { display: flex; opacity: 1; }
@starting-style {
  .modal-overlay#export-audio-modal.visible,
  .modal-overlay#ustx-export-modal.visible { opacity: 0; }
}

body.modal-open .app-container, body.modal-open .menubar, body.modal-open #status-bar { user-select: none; }

/* =============================================================
   暗色模式覆盖：恢复弹窗、MIDI 导入、声库 / 语言选择、导出 等所有
   走 .modal-dialog / .modal-btn 系列的弹窗都靠这一段反相
   ============================================================= */
[data-theme='dark'] .modal-overlay {
  background: rgba(0, 0, 0, 0.6);
}
[data-theme='dark'] .modal-dialog {
  background: var(--bg-1);
  border-color: var(--border-light);
  color: var(--text-main);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
[data-theme='dark'] .modal-title {
  color: var(--text-main);
}
[data-theme='dark'] .modal-hint,
[data-theme='dark'] .modal-label,
[data-theme='dark'] .modal-summary-label,
[data-theme='dark'] .export-progress-text {
  color: var(--text-muted);
}
[data-theme='dark'] .modal-summary {
  background: var(--bg-2);
  border-color: var(--border-color);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.04);
}
[data-theme='dark'] .modal-summary-value {
  color: var(--text-main);
}
[data-theme='dark'] .modal-select,
[data-theme='dark'] .modal-input {
  background: var(--bg-3);
  border-color: var(--border-color);
  color: var(--text-main);
}
[data-theme='dark'] .modal-select:focus,
[data-theme='dark'] .modal-input:focus {
  border-color: var(--accent-color);
}
[data-theme='dark'] .modal-btn {
  border-color: var(--border-color);
}
[data-theme='dark'] .modal-btn.secondary {
  background: linear-gradient(180deg, var(--bg-3) 0%, var(--bg-2) 100%);
  color: var(--text-main);
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
[data-theme='dark'] .modal-btn.secondary:hover:not(:disabled) {
  background: var(--hover-bg);
}
[data-theme='dark'] .modal-btn.primary {
  background: var(--accent-color);
  border-color: rgba(0, 0, 0, 0.4);
}
[data-theme='dark'] .modal-btn.primary:hover:not(:disabled) {
  filter: brightness(1.1);
}
[data-theme='dark'] .modal-progress-bar {
  background: var(--bg-3);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3);
}
[data-theme='dark'] .modal-progress-fill {
  background: var(--accent-color);
}
[data-theme='dark'] .export-warning-text {
  color: #DD5C4E;
}