/* 电子包浆工具 - 新站设计系统 */
@font-face {
  font-family: 'Zpix';
  src: url('/tools/patina/zpix.woff2') format('woff2'),
       url('/tools/patina/zpix-split.woff') format('woff');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

.ptn-grid { display: grid; grid-template-columns: 380px minmax(0, 1fr); gap: 20px; align-items: start; }
.ptn-panel { background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius-md); padding: 20px; }
.ptn-section { margin-bottom: 18px; }
.ptn-section:last-child { margin-bottom: 0; }
.ptn-section h3 { display: flex; align-items: center; gap: 6px; font-size: .95rem; margin: 0 0 12px; }
.ptn-section h3 i { color: var(--accent); }

/* ===== 上传区域 ===== */
.ptn-upload {
  border: 2px dashed var(--rule);
  border-radius: var(--radius-md);
  padding: 34px 16px;
  text-align: center;
  cursor: pointer;
  transition: all .25s;
  background: var(--bg2);
  position: relative;
  overflow: hidden;
}
.ptn-upload:hover, .ptn-upload.dragover { border-color: var(--accent); background: var(--accent-soft); }
.ptn-upload:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ptn-upload > i { font-size: 2.2rem; color: var(--accent); margin-bottom: 10px; display: block; }
.ptn-upload-title { font-size: 1rem; font-weight: 700; color: var(--ink); margin: 0 0 6px; }
.ptn-upload-desc { display: block; font-size: .78rem; color: var(--muted); margin-bottom: 14px; }
.ptn-upload-btn { pointer-events: none; }
.ptn-upload-hint { display: block; font-size: .72rem; color: var(--muted); margin-top: 12px; }

/* ===== 输出区域 ===== */
.ptn-output-box {
  min-height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: var(--bg2);
  border: 2px dashed var(--rule);
  border-radius: var(--radius-md);
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.ptn-app[data-direction="horizontal"] .ptn-output-box { flex-direction: row; }
.ptn-output-box img { max-width: 100%; max-height: 420px; border-radius: var(--radius-sm); box-shadow: var(--shadow-card); }
.ptn-output-image { border: 3px solid var(--accent); }
.ptn-placeholder { color: var(--muted); font-size: .9rem; text-align: center; }
.ptn-placeholder i { display: block; font-size: 3rem; margin-bottom: 12px; color: var(--rule); }
.ptn-progress { text-align: center; padding: 20px; color: var(--accent); font-weight: 600; font-size: .9rem; }
.ptn-progress i { font-size: 1.8rem; margin-bottom: 10px; display: block; }

/* ===== 控制面板 ===== */
.ptn-btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.ptn-btn-row .btn { flex: 1; min-width: 120px; }

.ptn-checkbox-row {
  display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 16px; align-items: center;
  padding: 12px 14px; background: var(--bg2); border-radius: var(--radius-sm);
}
.ptn-checkbox-row label { display: flex; align-items: center; gap: 6px; cursor: pointer; font-size: .82rem; color: var(--ink); font-weight: 500; }
.ptn-checkbox-row input[type="checkbox"], .ptn-checkbox-row input[type="radio"] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
.ptn-status { margin-left: auto; font-size: .78rem; color: var(--muted); font-weight: 600; }

/* ===== 滑块组 ===== */
.ptn-slider-group { margin-bottom: 14px; padding: 12px 14px; background: var(--bg2); border-radius: var(--radius-sm); }
.ptn-slider-group h4 { font-size: .82rem; font-weight: 600; margin: 0 0 8px; color: var(--ink); }
.ptn-slider-row { display: flex; align-items: center; gap: 12px; }
.ptn-slider-row input[type="range"] { flex: 1; accent-color: var(--accent); }
.ptn-slider-value { min-width: 56px; text-align: right; font-size: .82rem; font-weight: 700; color: var(--accent); }

/* ===== 高级选项 ===== */
.ptn-advanced-toggle { margin: 16px 0; padding: 12px 0; border-top: 1px dashed var(--rule); }
.ptn-advanced-toggle label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: .85rem; color: var(--ink); font-weight: 600; }
.ptn-advanced-box { margin-top: 12px; padding: 16px; background: var(--bg2); border-radius: var(--radius-md); border: 1px solid var(--rule); }
.ptn-advanced-box .ptn-slider-group { background: var(--bg); margin-bottom: 12px; }

/* ===== 水印设置 ===== */
.ptn-watermark-section { margin-top: 12px; padding-top: 16px; border-top: 2px dashed var(--rule); }
.ptn-watermark-section > h4 { font-size: .9rem; font-weight: 700; margin: 0 0 12px; color: var(--ink); }
.ptn-watermark-section textarea {
  width: 100%; min-height: 90px; padding: 10px; border: 1px solid var(--rule); border-radius: var(--radius-sm);
  font-size: .8rem; resize: vertical; font-family: var(--font); background: var(--bg); color: var(--ink); box-sizing: border-box;
}
.ptn-watermark-section textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* ===== 使用说明 ===== */
.ptn-tips { margin-top: 18px; border-top: 1px solid var(--rule); padding-top: 16px; }
.ptn-tips h4 { display: flex; align-items: center; gap: 6px; font-size: .9rem; margin: 0 0 10px; }
.ptn-tips h4 i { color: var(--accent); }
.ptn-tips p { font-size: .82rem; color: var(--muted); margin: 0 0 8px; line-height: 1.8; }
.ptn-tips p:last-child { margin-bottom: 0; }
.ptn-tips b { color: var(--ink); }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .ptn-grid { grid-template-columns: 1fr; }
  .ptn-btn-row .btn { min-width: 0; }
  .ptn-output-box { min-height: 240px; }
}