:root {
  --primary:#4CAF50; --primary-hover:#95D332;
  --primary-light:#e8f5e9; --primary-dim:rgba(76,175,80,.1);
  --bg:#f9fbf9; --surface:#fff; --surface-light:#f1f8f1;
  --border:#e0e0e0;
  --success:#2e7d32; --danger:#d32f2f; --warning:#f57c00;
  --text:#212121; --text-dim:#616161; --text-dimmer:#9e9e9e;
  --mono:'Space Mono',monospace;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --shadow:0 4px 6px rgba(0,0,0,.05);
  --shadow-lg:0 10px 25px rgba(76,175,80,.15);
  --xs:4px; --sm:8px; --md:16px; --lg:24px; --xl:32px; --2xl:48px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);
  font-family:var(--sans);line-height:1.6;overflow-x:hidden;
  background-image:radial-gradient(#4CAF50 .5px,transparent .5px);
  background-size:24px 24px;
}

.cdpi-wrap{
  position:relative;z-index:1;
  max-width:900px;margin:0 auto;padding:20px;
  font-family:var(--sans);color:var(--text);
}
.cdpi-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow);transition:all .3s ease;
}
.cdpi-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary)}

/* NAV */
.cdpi-mobile-menu{
  display:flex;justify-content:center;gap:20px;
  margin:20px 0;flex-wrap:wrap;
}
.cdpi-menu-btn{
  padding:6px 12px;font-size:12px;font-weight:600;
  background:#4CAF50;color:#fff;border-radius:5px;
  text-decoration:none;transition:.2s;
}
.cdpi-menu-btn:hover,.cdpi-menu-btn.active{background:#95D332}

/* DROP ZONE */
.cdpi-drop-zone{
  position:relative;margin:16px;
  border:3px dashed #4CAF50;border-radius:8px;
  padding:var(--2xl) var(--lg);text-align:center;cursor:pointer;
  transition:background-color .3s ease,border-color .3s ease,transform .2s ease;
  background-color:#f7f7f7;min-height:200px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  overflow:hidden;
}
.cdpi-drop-zone:hover{
  background-color:#e0e0e0;border-color:#4CAF50;
  border-width:2px;border-style:solid;transform:scale(1.01);
}
.cdpi-drop-zone.cdpi-has-images{
  min-height:auto;padding:var(--md);
  background-color:#f7f2f2;border-style:solid;
  border-color:#e0e0e0;align-items:center;justify-content:center;transform:none;
}
.cdpi-drop-zone.cdpi-dragover{
  border-color:var(--primary-hover);background:#e8f5e9;
  box-shadow:inset 0 0 0 1px var(--primary);
}

.cdpi-drop-content{padding:var(--xl) 0;width:100%;pointer-events:none}
.cdpi-drop-zone.cdpi-has-images .cdpi-drop-content{display:none}
.cdpi-drop-icon{
  display:flex;align-items:center;justify-content:center;
  margin:0 auto var(--lg);width:64px;height:64px;
  color:var(--primary);transition:transform .3s ease;
}
.cdpi-drop-icon svg{
  width:56px;height:56px;fill:none;stroke:currentColor;
  stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
}
.cdpi-drop-title{font-size:18px;font-weight:700;margin-bottom:var(--sm);color:var(--text)}
.cdpi-drop-sub{font-size:14px;color:#999;line-height:1.6;margin:0}
.cdpi-drop-sub span{color:var(--primary);cursor:pointer;font-weight:600;transition:color .2s}
.cdpi-drop-sub span:hover{color:var(--primary-hover);text-decoration:underline}

/* PREVIEW GRID */
.cdpi-preview-grid{
  display:flex;flex-wrap:wrap;gap:10px;
  width:100%;justify-content:center;
}

/* PREVIEW ITEM */
.cdpi-preview-item{
  position:relative;display:inline-flex;flex-direction:column;
  align-items:center;
  padding:5px;border:1px solid #ccc;
  background:#fff;border-radius:6px;
  width:110px;
}
.cdpi-preview-thumb{
  width:100px;height:100px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  background:#f5f5f5;border-radius:4px;
}
.cdpi-preview-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.cdpi-preview-name{
  margin-top:5px;font-size:11px;color:#666;
  width:100px;white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis;text-align:center;
}

/* remove button */
.cdpi-preview-remove{
  position:absolute;top:-9px;right:-9px;
  width:20px;height:20px;border-radius:50%;
  background:red;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  z-index:3;padding:0;
}
.cdpi-preview-remove::before,
.cdpi-preview-remove::after{
  content:'';position:absolute;
  width:11px;height:2px;background:#fff;
}
.cdpi-preview-remove::before{transform:rotate(45deg)}
.cdpi-preview-remove::after{transform:rotate(-45deg)}
.cdpi-preview-remove:hover{background:#b71c1c}

/* add-more button */
.cdpi-btn-add-more{
  margin-top:var(--md);padding:7px 20px;
  background:var(--primary-dim);border:1px dashed var(--primary);
  border-radius:8px;color:var(--primary);
  font-family:var(--sans);font-weight:600;font-size:13px;
  cursor:pointer;transition:all .2s;
  display:none;align-items:center;justify-content:center;
  gap:var(--xs);width:auto;
}
.cdpi-btn-add-more:hover{background:rgba(76,175,80,.2);border-color:var(--primary-hover)}

/* CHECK BUTTON */
.cdpi-convert-wrap{padding:0 var(--lg) var(--lg);display:flex;justify-content:center}
.cdpi-btn-convert{
  width:auto;background:#4CAF50;border:none;color:#fff;
  padding:10px 28px;font-size:14px;font-weight:700;
  border-radius:5px;cursor:pointer;transition:background-color .3s ease;
  display:inline-flex;align-items:center;justify-content:center;
  gap:var(--sm);box-shadow:0 4px 6px rgba(76,175,80,.2);
}
.cdpi-btn-convert:hover:not(:disabled){background:#95D332}
.cdpi-btn-convert:disabled{opacity:.6;cursor:not-allowed;filter:grayscale(.4)}
.cdpi-btn-convert svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* hidden toast (compat) */
.cdpi-success-toast{display:none!important}

/* ─── FLASH OVERLAY ─────────────────────────────────────────────── */
.cdpi-flash-overlay{
  position:fixed;inset:0;z-index:9000;
  display:flex;align-items:center;justify-content:center;
  padding:20px;
  background:rgba(0,0,0,0);
  backdrop-filter:blur(0px);
  pointer-events:none;
  transition:background .35s ease, backdrop-filter .35s ease;
}
.cdpi-flash-overlay.cdpi-flash-visible{
  background:rgba(0,0,0,.55);
  backdrop-filter:blur(4px);
  pointer-events:all;
}

.cdpi-flash-panel{
  background:var(--surface);
  border-radius:20px;
  box-shadow:0 30px 80px rgba(0,0,0,.3), 0 0 0 1px rgba(76,175,80,.25);
  width:100%;max-width:680px;
  max-height:90vh;
  display:flex;flex-direction:column;
  overflow:hidden;
  transform:scale(.88) translateY(40px);
  opacity:0;
  transition:transform .4s cubic-bezier(.175,.885,.32,1.275), opacity .35s ease;
}
.cdpi-flash-overlay.cdpi-flash-visible .cdpi-flash-panel{
  transform:scale(1) translateY(0);
  opacity:1;
}

/* flash header */
.cdpi-flash-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px 16px;
  border-bottom:1px solid var(--border);
  background:linear-gradient(135deg,#f6fbf6,#fff);
  flex-shrink:0;
}
.cdpi-flash-title-wrap{display:flex;align-items:center;gap:10px}
.cdpi-flash-icon{
  width:36px;height:36px;border-radius:10px;
  background:var(--primary);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.cdpi-flash-icon svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.cdpi-flash-title{font-size:16px;font-weight:800;color:var(--text)}
.cdpi-flash-subtitle{font-size:12px;color:var(--text-dimmer);margin-top:1px}

.cdpi-flash-header-actions{display:flex;align-items:center;gap:8px}

/* progress ring */
.cdpi-flash-progress-ring{width:36px;height:36px;flex-shrink:0}
.cdpi-flash-progress-ring circle{fill:none;stroke-width:3;stroke-linecap:round}
.cdpi-flash-progress-ring .ring-bg{stroke:#e8f5e9}
.cdpi-flash-progress-ring .ring-fg{
  stroke:var(--primary);
  stroke-dasharray:88;
  stroke-dashoffset:88;
  transition:stroke-dashoffset .4s ease;
  transform:rotate(-90deg);
  transform-origin:50% 50%;
}

.cdpi-btn-flash-close{
  width:32px;height:32px;border-radius:50%;
  border:1px solid var(--border);
  background:var(--surface);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-dim);font-size:18px;line-height:1;
  transition:all .2s;font-family:var(--sans);
  flex-shrink:0;
}
.cdpi-btn-flash-close:hover{background:#ffebee;border-color:#ef9a9a;color:var(--danger)}

/* flash body */
.cdpi-flash-body{
  overflow-y:auto;flex:1;
  padding:12px 16px;
}

/* progress strip */
.cdpi-flash-converting-strip{
  padding:10px 22px;
  background:#f0faf0;
  border-bottom:1px solid #c8e6c9;
  display:none;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.cdpi-flash-converting-strip.visible{display:flex}
.cdpi-flash-strip-label{font-size:12px;font-weight:700;color:var(--success);white-space:nowrap}
.cdpi-flash-strip-bar-wrap{flex:1;height:4px;background:#c8e6c9;border-radius:4px;overflow:hidden}
.cdpi-flash-strip-bar{
  height:100%;border-radius:4px;
  background:linear-gradient(90deg,#4CAF50,#81C784,#4CAF50);
  background-size:200% 100%;
  width:0%;
  transition:width .4s ease;
  animation:shimmerBar 1.5s linear infinite;
}
@keyframes shimmerBar{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* flash footer */
.cdpi-flash-footer{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 22px;
  border-top:1px solid var(--border);
  background:#fafafa;
  gap:10px;
  flex-wrap:wrap;
  flex-shrink:0;
}
.cdpi-flash-footer-left{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.cdpi-flash-count{
  background:var(--primary-light);color:var(--success);
  font-family:var(--mono);font-size:11px;
  padding:4px 10px;border-radius:12px;font-weight:700;
}

/* legend badges in footer */
.cdpi-legend{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.cdpi-legend-item{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--text-dim);font-weight:600}
.cdpi-legend-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}

.cdpi-btn-flash-clear{
  padding:9px 16px;background:none;
  border:1px solid var(--border);color:var(--text-dim);
  border-radius:6px;cursor:pointer;font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
  transition:all .2s;font-family:var(--sans);
}
.cdpi-btn-flash-clear:hover{border-color:var(--danger);color:var(--danger);background:#ffebee}

/* QUEUE ITEM (inside flash) */
.cdpi-queue-item{
  display:grid;grid-template-columns:56px 1fr auto;
  align-items:center;gap:12px;
  padding:12px;
  border-radius:10px;
  margin-bottom:8px;
  border:1px solid transparent;
  background:#fafafa;
  transition:background .2s, border-color .2s, transform .25s cubic-bezier(.175,.885,.32,1.275), opacity .25s ease;
  opacity:0;transform:translateY(12px);
}
.cdpi-queue-item.cdpi-item-animate-in{opacity:1;transform:translateY(0)}
.cdpi-queue-item:last-child{margin-bottom:0}

.cdpi-queue-item.cdpi-high{border-color:#c8e6c9;background:#f1fbf1}
.cdpi-queue-item.cdpi-mid{border-color:#ffe0b2;background:#fffaf4}
.cdpi-queue-item.cdpi-low{border-color:#ffcdd2;background:#fff5f5}
.cdpi-queue-item.cdpi-unknown{border-color:#e0e0e0;background:#fafafa}

.cdpi-thumb-wrap{
  width:50px;height:50px;border-radius:8px;overflow:hidden;
  background:#eee;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.cdpi-thumb-wrap img{width:100%;height:100%;object-fit:cover}

.cdpi-item-info{overflow:hidden;min-width:0}
.cdpi-item-name{
  font-size:13px;font-weight:600;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  margin-bottom:3px;color:var(--text);
}
.cdpi-item-meta{
  font-size:11px;color:var(--text-dimmer);
  display:flex;align-items:center;gap:5px;flex-wrap:wrap;
}

.cdpi-dpi-badge{
  padding:2px 7px;border-radius:5px;
  font-size:10px;font-weight:700;display:inline-block;color:#fff;
}
.cdpi-high .cdpi-dpi-badge{background:var(--success)}
.cdpi-mid  .cdpi-dpi-badge{background:var(--warning)}
.cdpi-low  .cdpi-dpi-badge{background:var(--danger)}
.cdpi-unknown .cdpi-dpi-badge{background:var(--text-dimmer)}

.cdpi-quality-label{
  font-size:10px;font-weight:700;padding:3px 8px;border-radius:4px;
  text-transform:uppercase;
}
.cdpi-ql-high{background:#e8f5e9;color:var(--success)}
.cdpi-ql-mid{background:#fff3e0;color:var(--warning)}
.cdpi-ql-low{background:#ffebee;color:var(--danger)}
.cdpi-ql-unknown{background:#eeeeee;color:var(--text-dimmer)}

.cdpi-item-status{display:flex;flex-direction:column;align-items:flex-end;gap:5px;flex-shrink:0}

.cdpi-change-btn{
  background:#fff;border:1px solid var(--border);
  color:var(--text-dim);font-size:11px;padding:5px 11px;
  border-radius:6px;text-decoration:none;font-weight:600;
  display:inline-flex;align-items:center;gap:5px;
  transition:all .2s;cursor:pointer;
}
.cdpi-change-btn:hover{border-color:var(--primary);color:var(--primary)}
.cdpi-change-btn svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

.cdpi-btn-dl{
  background:#fff;border:1px solid var(--border);
  color:var(--text-dim);font-size:11px;padding:5px 11px;
  border-radius:6px;text-decoration:none;font-weight:600;
  display:inline-flex;align-items:center;gap:5px;
  transition:all .2s;cursor:pointer;
}
.cdpi-btn-dl:hover{border-color:var(--primary);color:var(--primary)}

.cdpi-btn-flash-download-all{
  padding:9px 16px;background:#4CAF50;color:#fff;border:none;
  border-radius:6px;cursor:pointer;font-size:12px;font-weight:700;
  display:none;align-items:center;gap:6px;
  transition:background-color .2s;font-family:var(--sans);
}
.cdpi-btn-flash-download-all:hover{background:#95D332}
.cdpi-btn-flash-download-all.visible{display:inline-flex}

@keyframes cdpiSpin{to{transform:rotate(360deg)}}
.cdpi-btn-convert:disabled svg{animation:cdpiSpin 1s linear infinite}

.cdpi-flash-icon.cdpi-done-anim{animation:iconPop .4s ease}
@keyframes iconPop{0%{transform:scale(1)}50%{transform:scale(1.18)}100%{transform:scale(1)}}

@media(max-width:600px){
  .cdpi-wrap{padding:var(--md)}
  .cdpi-convert-wrap{padding:0 var(--md) var(--md)}
  .cdpi-drop-zone{margin:var(--md);padding:var(--xl) var(--md);min-height:160px}
  .cdpi-queue-item{grid-template-columns:1fr;gap:8px;padding:10px;align-items:flex-start}
  .cdpi-thumb-wrap{width:100%;height:160px}
  .cdpi-item-status{width:100%;flex-direction:row;justify-content:space-between;align-items:center}
  .cdpi-change-btn{flex:1;justify-content:center}
  .cdpi-flash-panel{max-height:95vh;border-radius:14px}
  .cdpi-flash-footer{padding:10px 14px}
  .cdpi-flash-header{padding:14px 16px 12px}
}