.image-size-hint { display: block; flex-basis: 100%; font-size: 10px; color: var(--muted); line-height: 1.7; }
.generated-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; margin: 18px 0; }
.generated-card { margin: 0; min-width: 0; }
.generated-card:only-child { grid-column: 1/-1; max-width: 520px; }
.generated-preview { display: block; width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 0; overflow: hidden; background: repeating-conic-gradient(#edf0f7 0% 25%,#fff 0% 50%) 50% / 18px 18px; cursor: zoom-in; }
.generated-preview img { display: block; width: 100%; max-height: 640px; object-fit: contain; }
.generated-card figcaption { display: flex; flex-wrap: wrap; gap: 8px; padding: 10px 0; }
.generated-card figcaption button { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 5px 10px; color: var(--text); font-size: 11px; cursor: pointer; }
.generated-card figcaption button:hover { color: var(--blue); background: var(--blue-pale); }
.generated-card small, .result-meta, .generated-card details { color: var(--muted); font-size: 11px; }
.result-meta, .image-error, .raw-image-link { overflow-wrap: anywhere; }
.parameter-bar label { min-width: 0; max-width: 100%; }
.parameter-bar select { max-width: min(240px, 100%); }
.generated-card details { margin-top: 8px; }
.generated-card summary { cursor: pointer; }
.image-error { color: #c95666; white-space: pre-wrap; line-height: 1.8; }
.raw-image-link { display: block; font-size: 12px; color: var(--blue); margin: 10px 0; }
.reuse-prompt { font-size: 11px; margin-top: 12px; min-height: 30px; padding: 5px 10px; }
.image-preview-dialog { padding: 42px 16px 16px; max-width: calc(100% - 30px); }
.image-preview-dialog img { display: block; max-height: calc(100dvh - 120px); max-width: min(1100px,calc(100vw - 70px)); object-fit: contain; }
.partial-preview { display: block; max-width: 300px; width: 100%; margin-top: 16px; border-radius: 12px; }
.attachments { flex-wrap: wrap; }
.mask-dialog { width: 720px; max-width: calc(100% - 24px); }
.mask-stage { position: relative; max-width: 100%; width: fit-content; margin: 16px auto; }
.mask-stage img { display: block; max-height: 55dvh; max-width: 100%; object-fit: contain; }
#maskOverlay { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; cursor: crosshair; }
.mask-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.mask-tools label { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.mask-tools input { width: 120px; }
body.dark .generated-preview { background: repeating-conic-gradient(#2d3545 0% 25%,#374054 0% 50%) 50% / 18px 18px; }
@media(max-width:600px) {
  .generated-grid { grid-template-columns: 1fr; }
  .image-preview-dialog { max-width: calc(100% - 16px); }
}

.generation-password-dialog { width: 400px; max-width: calc(100% - 24px); }
.generation-password-dialog h2 { margin: 14px 0 10px; font-size: 24px; }
#generationPasswordForm { display: grid; gap: 16px; margin-top: 22px; }
#generationPasswordForm .image-error { margin: 0; }
.generation-password-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 12px; }
@media(max-width:600px) { .generation-password-dialog { padding: 26px 20px; } }

/* 生成结果沿用参考图的开放式画布，图片保持原始比例。 */
.has-conversation .conversation { width: min(1000px,calc(100% - 72px)); margin: 32px auto; }
.image-user-message { width: fit-content; max-width: 80%; margin: 0 0 38px auto; padding: 12px 20px; border-radius: 22px; background: #d5e6ff; white-space: pre-wrap; scroll-margin-top: 24px; }
.image-task-message { width: min(650px,100%); padding: 0; margin: 0 0 48px; border: 0; border-radius: 0; background: transparent; }
.image-task-message .assistant-label { margin-bottom: 24px; color: var(--text); font-size: 15px; font-weight: 500; }
.result-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.result-heading h2 { margin: 0; font-size: 15px; font-weight: 500; }
.result-status { color: var(--muted); font-size: 12px; }
.image-pending { min-height: 225px; display: flex; align-items: center; justify-content: center; gap: 10px; border-radius: 16px; background: #e9f2ff; color: #566d94; font-size: 14px; }
.generation-dot { width: 7px; height: 7px; border-radius: 50%; background: #729cdb; animation: generation-pulse 1.6s ease-in-out infinite; }
@keyframes generation-pulse { 50% { opacity: .35; transform: scale(.8); } }
.image-task-message .generated-grid { margin: 0; }
.image-task-message .generated-card:only-child { max-width: 100%; }
.image-task-message .generated-preview { border: 0; border-radius: 16px; }
.image-task-message .generated-preview img { max-height: none; height: auto; }
.image-task-message .generated-card figcaption { gap: 24px; padding: 12px 0 4px; }
.image-task-message .generated-card figcaption button { display: inline-flex; align-items: center; gap: 7px; min-height: 36px; padding: 4px 7px; border: 0; background: transparent; border-radius: 6px; color: var(--muted); font-size: 13px; }
.generated-card figcaption svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.image-task-message .result-meta { margin: 14px 0 0; font-size: 11px; }
.result-text-action { display: inline-block; border: 0; background: transparent; padding: 5px 0; margin: 6px 0 0; font-size: 11px; color: var(--muted); cursor: pointer; }
.image-task-message .generated-card figcaption button:hover, .result-text-action:hover { color: var(--blue); }
.image-task-message button:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.is-generating .composer-wrap { display: none; }
body.dark .image-user-message { background: #263d60; }
body.dark .image-pending { background: #25334b; color: #b0c9ed; }
@media(max-width:600px) {
  .has-conversation .conversation { width: calc(100% - 32px); margin: 24px auto; }
  .image-user-message { margin-bottom: 30px; padding: 10px 16px; }
  .image-task-message { margin-bottom: 32px; }
  .image-pending { min-height: 200px; }
}
@media(prefers-reduced-motion:reduce) { .generation-dot { animation: none; } }