/* ============================================================
   image-studio.css · 图像处理工作室（九宫格导演板）
   复用 style.css / workshop.css 的设计令牌（CSS 变量）
   ============================================================ */

.studio-container,
#imageStudioPage .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* ---------- 表单 ---------- */
.studio-form {
  background: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border, #e8e4dc);
  border-radius: var(--radius-lg, 16px);
  padding: 28px;
  box-shadow: var(--shadow-md, 0 4px 16px rgba(31,31,31,0.06));
  margin-bottom: 32px;
}

.studio-form__row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 18px;
  margin-bottom: 18px;
  align-items: end;
}

.studio-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.studio-field--grow {
  grid-column: 2;
}

.studio-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink-soft, #6b6b6b);
  letter-spacing: 0.02em;
}

.studio-field input[type="text"],
.studio-field select {
  padding: 10px 12px;
  border: 1px solid var(--color-border-strong, #d4cfc4);
  border-radius: var(--radius, 8px);
  font-size: 14px;
  font-family: var(--font-body, "DM Sans", sans-serif);
  background: var(--color-bg-alt, #faf9f6);
  color: var(--color-ink, #1f1f1f);
  transition: border-color 0.2s;
}

.studio-field input[type="text"]:focus,
.studio-field select:focus {
  outline: none;
  border-color: var(--color-brand, #3d5a3d);
  box-shadow: 0 0 0 3px rgba(61, 90, 61, 0.12);
}

/* ---------- 上传区 ---------- */
.studio-upload {
  position: relative;
  border: 2px dashed var(--color-border-strong, #d4cfc4);
  border-radius: var(--radius, 8px);
  padding: 24px;
  text-align: center;
  background: var(--color-bg-alt, #faf9f6);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.studio-upload:hover,
.studio-upload.is-dragover {
  border-color: var(--color-brand, #3d5a3d);
  background: rgba(61, 90, 61, 0.04);
}

.studio-upload input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.studio-upload__hint {
  font-size: 13px;
  color: var(--color-ink-soft, #6b6b6b);
}

.studio-upload__hint img {
  max-width: 180px;
  max-height: 120px;
  border-radius: var(--radius, 8px);
  margin-top: 8px;
}

/* ---------- 提交按钮 ---------- */
.studio-form__actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}

/* ---------- 状态提示 ---------- */
.studio-status {
  padding: 14px 18px;
  border-radius: var(--radius, 8px);
  margin-bottom: 24px;
  font-size: 14px;
  background: rgba(201, 169, 97, 0.12);
  color: var(--color-accent, #c9a961);
  border: 1px solid rgba(201, 169, 97, 0.3);
}

.studio-status.is-hidden {
  display: none;
}

.studio-status--error {
  background: rgba(184, 92, 56, 0.1);
  color: var(--color-warn, #b85c38);
  border-color: rgba(184, 92, 56, 0.3);
}

/* ---------- 9 格卡片网格 ---------- */
.studio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 32px;
}

.studio-card {
  background: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border, #e8e4dc);
  border-radius: var(--radius, 8px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm, 0 2px 8px rgba(31,31,31,0.04));
  transition: transform 0.2s, box-shadow 0.2s;
}

.studio-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md, 0 4px 16px rgba(31,31,31,0.06));
}

.studio-card--loading {
  background: var(--color-bg-alt, #faf9f6);
}

.studio-card__skeleton {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(90deg, #eceae5 25%, #f5f3ee 50%, #eceae5 75%);
  background-size: 200% 100%;
  animation: studio-skeleton 1.4s ease-in-out infinite;
}

@keyframes studio-skeleton {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.studio-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.studio-card__placeholder,
.studio-card__error {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-bg-alt, #faf9f6);
  color: var(--color-ink-soft, #6b6b6b);
  font-size: 13px;
  text-align: center;
  padding: 16px;
}

.studio-card__error-title {
  color: var(--color-warn, #b85c38);
  font-weight: 600;
}

.studio-card__body {
  padding: 12px 14px;
  border-top: 1px solid var(--color-border, #e8e4dc);
}

.studio-card__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-brand, #3d5a3d);
  margin-bottom: 4px;
}

.studio-card__prompt {
  font-size: 12px;
  color: var(--color-ink-soft, #6b6b6b);
  line-height: 1.5;
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  max-height: 72px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}

/* ---------- 九宫格预览 ---------- */
.studio-result {
  background: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border, #e8e4dc);
  border-radius: var(--radius-lg, 16px);
  padding: 28px;
  box-shadow: var(--shadow-md, 0 4px 16px rgba(31,31,31,0.06));
}

.studio-result.is-hidden {
  display: none;
}

.studio-result__title {
  font-family: var(--font-display, "Fraunces", serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-ink, #1f1f1f);
  margin-bottom: 6px;
}

.studio-result__key {
  font-size: 13px;
  color: var(--color-ink-soft, #6b6b6b);
  margin-bottom: 18px;
  line-height: 1.6;
}

.studio-result__key code {
  background: var(--color-bg-alt, #faf9f6);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 12px;
}

.studio-result__img {
  width: 100%;
  border-radius: var(--radius, 8px);
  display: block;
  margin-bottom: 18px;
}

.studio-result__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .studio-form__row {
    grid-template-columns: 1fr;
  }
  .studio-field--grow {
    grid-column: 1;
  }
  .studio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .studio-grid {
    grid-template-columns: 1fr;
  }
  #imageStudioPage .container {
    padding: 32px 16px 60px;
  }
}