/* Privacy Badge */
.privacy-badge{display:inline-flex;align-items:center;gap:6px;margin-left:46px;margin-top:6px;font-size:11px;color:var(--tm);border:1px solid var(--border);background:var(--surface);padding:4px 10px;border-radius:20px;font-weight:600;letter-spacing:.02em;transition:all 0.3s;}
.pdot{width:6px;height:6px;background:var(--success);border-radius:50%;}
:root[data-theme="light"] .privacy-badge{border-color:var(--bh); color: var(--text);}

/* Theme Toggle Button */
.theme-btn { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); background: var(--surface); color: var(--text); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s; flex-shrink: 0;}
.theme-btn:hover { background: var(--s2); border-color: var(--bh); }
.theme-btn svg { width: 18px; height: 18px; }
/* Global Footer */
.global-footer { margin-top: 50px; padding-top: 24px; border-top: 1px solid var(--border); text-align: center; font-size: 13px; color: var(--tm); display: flex; align-items: center; justify-content: center; gap: 8px;}

/* Header */
header{margin-bottom:40px}
.header-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; flex-wrap: wrap; gap: 12px;}
.logo{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.logo-mark{width:34px;height:34px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center}
.logo-mark svg{width:17px;height:17px}
.logo-text{font-size:17px;font-weight:600;letter-spacing:-.02em}
.header-sub{font-size:13px;color:var(--tm);margin-left:46px}
.privacy-badge{display:inline-flex;align-items:center;gap:6px;margin-left:46px;margin-top:6px;font-size:11px;color:var(--accent);letter-spacing:.04em;text-transform:uppercase;border:1px solid rgba(232,255,71,.3);padding:3px 10px;border-radius:20px;font-weight:500}
.pdot{width:5px;height:5px;background:var(--accent);border-radius:50%}

/* Tabs */
.tab-bar{display:flex;gap:2px;margin-bottom:28px;background:var(--surface);padding:4px;border-radius:var(--r);border:1px solid var(--border);overflow-x:auto;scrollbar-width:none;width:fit-content;max-width:100%}
.tab-bar::-webkit-scrollbar{display:none}
.tab{padding:7px 14px;font-size:12px;font-weight:500;cursor:pointer;border-radius:7px;border:none;background:transparent;color:var(--tm);transition:all .15s;font-family:inherit;white-space:nowrap}
.tab:hover{color:var(--text)}
.tab.active{background:var(--s2);color:var(--text);border:1px solid var(--bh)}
.panel{display:none}.panel.active{display:block}

/* Drop zone */
.drop-zone{border:1.5px dashed var(--bh);border-radius:var(--r);padding:36px 20px;text-align:center;cursor:pointer;transition:all .15s;background:var(--surface);position:relative;overflow:hidden}
.drop-zone::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(232,255,71,.04) 0%,transparent 70%);pointer-events:none}
.drop-zone:hover,.drop-zone.over{border-color:rgba(232,255,71,.4);background:var(--s2)}
.drop-icon{font-size:32px;margin-bottom:10px;opacity:.6}
.drop-title{font-size:14px;font-weight:500;margin-bottom:3px}
.drop-hint{font-size:12px;color:var(--tm)}

/* File list */
.file-list{display:flex;flex-direction:column;gap:7px;margin-top:14px}
.file-item{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--rs);transition:border-color .15s}
.file-item:hover{border-color:var(--bh)}
.file-info{display:flex;align-items:center;gap:10px}
.file-icon{width:30px;height:30px;background:rgba(232,255,71,.1);border-radius:5px;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0}
.file-order{width:20px;height:20px;background:var(--s2);border:1px solid var(--border);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:10px;color:var(--tm);font-weight:600;flex-shrink:0}
.fname{font-size:13px;font-weight:500}
.fmeta{font-size:11px;color:var(--tm);margin-top:1px}
.file-acts{display:flex;align-items:center;gap:6px}
.ib{width:26px;height:26px;border:none;background:transparent;cursor:pointer;color:var(--td);border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .12s;font-size:13px}
.ib:hover{background:var(--s2);color:var(--text)}
.ib.danger:hover{background:rgba(255,92,92,.12);color:var(--danger)}
.ib:disabled{opacity:.25;cursor:not-allowed}
.ib svg{width:13px;height:13px}

/* Buttons */
.btns{display:flex;gap:7px;flex-wrap:wrap;margin-top:18px}
.btn{padding:9px 16px;border-radius:var(--rs);font-size:13px;font-weight:500;font-family:inherit;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text);transition:all .15s;display:inline-flex;align-items:center;gap:5px}
.btn:hover{border-color:var(--bh);background:var(--s2)}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.35;cursor:not-allowed;transform:none}
.btn.primary{background:var(--accent);color:#0f0f0f;border-color:var(--accent);font-weight:600}
.btn.primary:hover{background:#d4e83e;border-color:#d4e83e}
.btn svg{width:13px;height:13px}

/* Status */
.status{display:none;margin-top:10px;padding:9px 12px;border-radius:var(--rs);font-size:12px}
.status.success{display:block;background:rgba(74,222,128,.1);color:var(--success);border:1px solid rgba(74,222,128,.2)}
.status.error{display:block;background:rgba(255,92,92,.1);color:var(--danger);border:1px solid rgba(255,92,92,.2)}
.status.loading{display:block;background:var(--surface);color:var(--tm);border:1px solid var(--border)}

/* Thumb grid (rotate, img2pdf) */
.thumb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:9px;margin-top:14px}
.page-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--rs);overflow:hidden;transition:border-color .15s}
.page-card:hover{border-color:var(--bh)}
.page-thumb{width:100%;aspect-ratio:3/4;background:var(--s2);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;cursor:pointer}
.page-thumb:hover .tov,.img-thumb:hover .tov{opacity:1}
.tov{position:absolute;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s}
.tov svg{width:22px;height:22px;color:#fff}
.page-thumb canvas,.page-thumb img,.img-thumb img{max-width:100%;max-height:100%;object-fit:contain;transition:transform .3s cubic-bezier(.34,1.56,.64,1);display:block}
.page-footer{padding:5px 9px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border)}
.plabel{font-size:11px;color:var(--tm)}
.prot-ctrls{display:flex;gap:2px}
.rot-btn{width:22px;height:22px;border:none;background:transparent;cursor:pointer;color:var(--tm);border-radius:3px;font-size:13px;display:flex;align-items:center;justify-content:center;transition:all .12s}
.rot-btn:hover{background:var(--s2);color:var(--text)}
.rot-badge{font-size:10px;font-weight:600;color:var(--accent);background:var(--adim);padding:2px 5px;border-radius:3px;display:none}
.rot-badge.on{display:inline-block}
.img-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--rs);overflow:hidden}
.img-card:hover{border-color:var(--bh)}
.img-thumb{width:100%;aspect-ratio:3/4;background:var(--s2);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;cursor:pointer}
.img-footer{padding:5px 9px;border-top:1px solid var(--border)}

/* Options row */
.opt-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;align-items:center}
.opt-row label{font-size:12px;color:var(--tm)}
.opt-row select{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--rs);padding:5px 9px;font-size:12px;font-family:inherit;cursor:pointer;outline:none}
.opt-row select:hover{border-color:var(--bh)}

/* Misc */
.sep{height:1px;background:var(--border);margin:24px 0}
.slabel{font-size:11px;color:var(--td);letter-spacing:.06em;text-transform:uppercase;margin-bottom:8px;font-weight:600}
.note{font-size:12px;color:var(--td);margin-top:18px}
@keyframes spin{to{transform:rotate(360deg)}}
.spinner{width:13px;height:13px;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:spin .6s linear infinite;display:inline-block;vertical-align:middle}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--bh);border-radius:3px}

/* ══════ CROP ══════ */
.crop-layout{display:flex;gap:16px;align-items:flex-start;margin-top:14px;flex-wrap:wrap}
.crop-canvas-area{flex:1;min-width:260px;background:var(--s2);border:1px solid var(--border);border-radius:var(--rs);display:flex;align-items:center;justify-content:center;min-height:320px;overflow:hidden;position:relative;user-select:none}
#crop-canvas{display:block;max-width:100%;max-height:70vh}
.crop-sidebar{width:200px;flex-shrink:0;display:flex;flex-direction:column;gap:10px}
.crop-nav{display:flex;align-items:center;gap:6px}
.crop-nav button{padding:5px 10px;border:1px solid var(--border);border-radius:var(--rs);background:var(--surface);color:var(--text);cursor:pointer;font-size:12px;font-family:inherit;transition:all .15s}
.crop-nav button:hover{border-color:var(--bh);background:var(--s2)}
.crop-nav span{font-size:12px;color:var(--tm);flex:1;text-align:center}
.field-group{display:flex;flex-direction:column;gap:3px}
.field-group label{font-size:11px;color:var(--tm)}
.field-group input[type=number]{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--rs);padding:6px 9px;font-size:12px;font-family:inherit;width:100%;outline:none}
.field-group input[type=number]:focus{border-color:var(--bh)}
.crop-vals{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.apply-row{display:flex;flex-direction:column;gap:5px}
.apply-row label{font-size:11px;color:var(--tm)}
.apply-row select{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--rs);padding:6px 9px;font-size:12px;font-family:inherit;outline:none;width:100%}
.crop-info-bar{position:absolute;bottom:8px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.7);color:rgba(255,255,255,.8);font-size:11px;padding:3px 10px;border-radius:20px;pointer-events:none;white-space:nowrap}

/* ══════ SPLIT ══════ */
.split-scroll{overflow-x:auto;margin-top:14px;padding-bottom:10px}
.split-row{display:flex;align-items:stretch;padding:8px 2px;min-width:max-content}
.split-card{width:90px;background:var(--surface);border:2px solid var(--border);border-radius:var(--rs);overflow:hidden;cursor:grab;flex-shrink:0;transition:border-color .15s,box-shadow .15s;position:relative}
.split-card:active{cursor:grabbing}
.split-card.drag-over{border-color:var(--accent);box-shadow:0 0 0 2px var(--adim)}
.split-card.dragging{opacity:.35}
.split-thumb{width:100%;aspect-ratio:3/4;background:var(--s2);display:flex;align-items:center;justify-content:center;overflow:hidden}
.split-thumb canvas{max-width:100%;max-height:100%;object-fit:contain;display:block}
.split-card-footer{padding:4px 6px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border)}
.split-group-bar{height:3px;width:100%}
.split-sep {
  position: relative;
  width: 30px;          /* 增加感應寬度，讓滑鼠好點擊 */
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 -15px;      /* 讓它擠在頁面中間，不佔用太多空間 */
  z-index: 10;
  transition: all 0.2s;
}
.split-sep:hover{background:rgba(255,92,92,.08)}
.split-line {
  width: 2px;
  height: 100%;
  background-color: #ddd; /* 預設淺灰色，讓它隱約看得到 */
  transition: background-color 0.2s;
}
.split-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;     /* 給符號一個白色小圓底，避免被背景吃掉 */
  border: 1px solid #ccc;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #666;           /* 預設符號顏色：深灰 */
  opacity: 0.6;          /* 平常稍微淡一點點，比較美觀 */
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: all 0.2s;
}
.split-sep:hover .split-line {
  background-color: #999; /* 線條變深 */
}
.split-sep:hover .split-icon {
  opacity: 1;
  color: #333;           /* 符號變黑 */
  border-color: #999;
}
.split-sep.active .split-line {
  background-color: #ff4444; /* 線條變紅 */
  width: 3px;               /* 線條加粗一點 */
}
.split-sep.active .split-icon {
  opacity: 1;
  background-color: #ff4444; /* 背景變紅 */
  color: white;              /* 符號變白 */
  border-color: #cc0000;
  box-shadow: 0 0 8px rgba(255, 68, 68, 0.4);
}
.split-sep.on .split-line{background:var(--danger);width:2px}
.split-sep.on .split-icon{opacity:1;color:var(--danger)}
.split-preview{display:flex;flex-direction:column;gap:6px;margin-top:12px}
.split-pitem{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--rs);font-size:12px}
.gdot{width:8px;height:8px;border-radius:50%;flex-shrink:0}

/* ══════ COMPRESS ══════ */
.quality-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.qopt{padding:14px 10px;border:1px solid var(--border);border-radius:var(--rs);cursor:pointer;text-align:center;transition:all .15s}
.qopt:hover{border-color:var(--bh)}
.qopt.sel{border-color:var(--accent);background:var(--adim)}
.qopt .qt{font-size:13px;font-weight:500;margin-bottom:4px}
.qopt .qd{font-size:11px;color:var(--tm);line-height:1.4}
.qopt .qr{font-size:11px;color:var(--accent);margin-top:6px;font-weight:600}
.compress-stats{display:flex;gap:10px;margin-top:14px}
.cstat{flex:1;padding:12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--rs);text-align:center}
.cstat .cv{font-size:18px;font-weight:600;margin-top:2px}
.cstat .cl{font-size:11px;color:var(--tm)}

/* ══════ PAGE NUMBERS ══════ */
.pnum-layout{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap;margin-top:14px}
.pnum-form{flex:1;min-width:260px;display:flex;flex-direction:column;gap:14px}
.pnum-right{width:200px;flex-shrink:0;display:flex;flex-direction:column;gap:12px}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fg{display:flex;flex-direction:column;gap:4px}
.fg label{font-size:11px;color:var(--tm)}
.fg input,.fg select{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--rs);padding:7px 10px;font-size:12px;font-family:inherit;outline:none;width:100%}
.fg input:focus,.fg select:focus{border-color:var(--bh)}
.fg input[type=color]{padding:2px 3px;height:32px;cursor:pointer}
.skip-list{max-height:180px;overflow-y:auto;border:1px solid var(--border);border-radius:var(--rs);padding:5px;background:var(--surface)}
.skip-row{display:flex;align-items:center;gap:8px;padding:4px 6px;border-radius:4px;cursor:pointer;font-size:12px}
.skip-row:hover{background:var(--s2)}
.skip-row input{cursor:pointer;accent-color:var(--accent)}
.pos-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}
.pos-cell{padding:6px 4px;border:1px solid var(--border);border-radius:4px;cursor:pointer;text-align:center;font-size:10px;color:var(--tm);transition:all .15s;line-height:1.3}
.pos-cell:hover{border-color:var(--bh);color:var(--text)}
.pos-cell.active{border-color:var(--accent);background:var(--adim);color:var(--accent);font-weight:600}
.pnum-preview-box{background:var(--s2);border:1px solid var(--border);border-radius:var(--rs);min-height:220px;display:flex;align-items:center;justify-content:center;overflow:hidden}
#pnum-preview-canvas{max-width:100%;max-height:240px;display:block}
.skip-legend{display:flex;gap:12px;font-size:11px;color:var(--tm);margin-top:4px}
.sl-item{display:flex;align-items:center;gap:4px}
.sl-dot{width:8px;height:8px;border-radius:2px}

/* ══════ LIGHTBOX ══════ */
#lightbox{display:none;position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.88);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);flex-direction:column;align-items:center;justify-content:center}
#lightbox.open{display:flex}
.lb-head{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:linear-gradient(to bottom,rgba(0,0,0,.7),transparent);z-index:2}
.lb-title{font-size:13px;color:rgba(255,255,255,.6);font-weight:500}
.lb-close{width:34px;height:34px;border:none;background:rgba(255,255,255,.1);color:#fff;border-radius:50%;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:background .15s}
.lb-close:hover{background:rgba(255,255,255,.2)}
.lb-body{display:flex;align-items:center;justify-content:center;width:100%;height:100%;padding:64px 70px;position:relative}
#lb-canvas{max-width:100%;max-height:calc(100vh - 128px);border-radius:4px;box-shadow:0 8px 40px rgba(0,0,0,.8);display:block}
#lb-img{max-width:100%;max-height:calc(100vh - 128px);border-radius:4px;box-shadow:0 8px 40px rgba(0,0,0,.8);display:none;object-fit:contain}
.lb-nav{position:fixed;top:50%;transform:translateY(-50%);width:42px;height:42px;border:none;background:rgba(255,255,255,.1);color:#fff;border-radius:50%;cursor:pointer;font-size:20px;display:flex;align-items:center;justify-content:center;transition:background .15s;z-index:3}
.lb-nav:hover{background:rgba(255,255,255,.2)}
.lb-nav:disabled{opacity:.2;cursor:default}
#lb-prev{left:14px}#lb-next{right:14px}
.lb-foot{position:fixed;bottom:0;left:0;right:0;display:flex;align-items:center;justify-content:center;padding:12px;background:linear-gradient(to top,rgba(0,0,0,.7),transparent);z-index:2}
.lb-info{font-size:12px;color:rgba(255,255,255,.5)}
.lb-spin{position:absolute;inset:0;display:none;align-items:center;justify-content:center;color:rgba(255,255,255,.5);font-size:12px;gap:6px}
.lb-spin.show{display:flex}
/* ══════════════════════
   Rich Global Footer
══════════════════════ */
.global-footer-rich {
  margin-top: 60px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}

/* Feature highlights row */
.gf-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 0;
}
@media (max-width: 640px) { .gf-features { grid-template-columns: 1fr; } }

.gf-feat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 18px 20px;
  transition: border-color 0.2s;
}
.gf-feat:hover { border-color: var(--bh); }
.gf-feat-icon { font-size: 22px; margin-bottom: 8px; }
.gf-feat-title { font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.gf-feat-desc { font-size: 12px; color: var(--tm); line-height: 1.65; }

/* Separator */
.gf-sep { height: 1px; background: var(--border); margin: 28px 0; }

/* Sections grid */
.gf-sections { display: flex; flex-direction: column; gap: 0; }

.gf-section {
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  margin-bottom: 12px;
}
.gf-section-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: var(--s2);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.gf-section-icon { font-size: 16px; }
.gf-section-body { padding: 16px 18px; font-size: 12.5px; color: var(--tm); line-height: 1.7; }

/* Steps list */
.gf-steps { padding-left: 18px; display: flex; flex-direction: column; gap: 6px; }
.gf-steps li { font-size: 12.5px; color: var(--tm); }

/* Tech grid */
.gf-tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
@media (max-width: 560px) { .gf-tech-grid { grid-template-columns: 1fr; } }
.gf-tech-item {
  background: var(--s2);
  border: 1px solid var(--border);
  border-radius: var(--rs);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.gf-tech-name { font-size: 12px; font-weight: 600; color: var(--accent); font-family: monospace; }
.gf-tech-desc { font-size: 11px; color: var(--tm); line-height: 1.5; }

/* Privacy body */
.gf-privacy-body strong { color: var(--text); }

/* Bottom bar */
.gf-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--rs);
  font-size: 11.5px;
  color: var(--tm);
}
.gf-home-link {
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
  transition: opacity 0.15s;
}
.gf-home-link:hover { opacity: 0.75; }