/* ============================================================
   SEMS — สไตล์ร่วมของ Text Stamp / Doc Scanner
   ============================================================ */

.cam-stage{ max-width:1080px; margin:0 auto; padding:22px 18px 90px; }

/* ---------- พื้นที่แสดงภาพ ---------- */
.viewport{
  position:relative; background:#000; border:1px solid var(--line);
  border-radius:14px; overflow:hidden;
  display:flex; align-items:center; justify-content:center;
  min-height:260px;
}
.viewport video,
.viewport canvas,
.viewport img{
  display:block; max-width:100%; max-height:64vh;
  width:auto; height:auto; object-fit:contain;
}
.viewport.empty{
  background:var(--bg-panel); color:var(--ink-faint);
  font-size:13px; min-height:280px; flex-direction:column; gap:12px; padding:28px;
  text-align:center;
}
.viewport.empty svg{ width:54px; height:54px; opacity:.4; }

/* ป้ายบอกสถานะมุมซ้ายบนของภาพ */
.vp-badge{
  position:absolute; top:10px; left:10px; z-index:3;
  background:rgba(0,0,0,.62); color:#fff; border-radius:99px;
  padding:5px 12px; font-size:11px; font-family:var(--mono);
  backdrop-filter:blur(4px); pointer-events:none;
}
.vp-badge.warn{ background:rgba(226,85,75,.85); }
.vp-badge.ok{ background:rgba(62,207,142,.85); color:#0d2b1e; }

/* ---------- แถบปุ่มหลัก ---------- */
.cam-bar{
  display:flex; gap:10px; flex-wrap:wrap; align-items:center;
  margin:14px 0 18px;
}
.cam-bar .grow{ flex:1; }

.shutter{
  width:66px; height:66px; border-radius:50%; flex:none;
  background:var(--amber); border:4px solid var(--bg-panel);
  box-shadow:0 0 0 2px var(--amber); cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  font-size:24px; color:#141719;
}
.shutter:active{ transform:scale(.94); }
.shutter:disabled{ opacity:.4; cursor:not-allowed; }

/* ---------- แผงตั้งค่า ---------- */
.panel-box{
  background:var(--bg-panel); border:1px solid var(--line);
  border-radius:14px; padding:16px 18px; margin-bottom:16px;
}
.panel-box > h3{
  margin:0 0 14px; font-size:13px; font-weight:700;
  display:flex; align-items:center; gap:8px;
}
.panel-box > h3 .hint{
  font-weight:400; font-size:11px; color:var(--ink-faint); margin-left:auto;
}

.opt-row{
  display:flex; align-items:center; gap:12px;
  padding:9px 0; flex-wrap:wrap;
}
.opt-row + .opt-row{ border-top:1px solid var(--line); }
.opt-row > label:first-child{
  width:118px; flex:none; font-size:12px; font-weight:600; color:var(--ink-dim);
}
.opt-row .fill{ flex:1; min-width:150px; }

.opt-row input[type="text"],
.opt-row select{
  width:100%; background:var(--bg-raised); border:1px solid var(--line-strong);
  color:var(--ink); border-radius:9px; padding:9px 12px;
  font-family:var(--sans); font-size:13px;
}
.opt-row input[type="range"]{ width:100%; accent-color:var(--amber); }
.opt-row input[type="color"]{
  width:44px; height:34px; padding:2px; border:1px solid var(--line-strong);
  border-radius:8px; background:var(--bg-raised); cursor:pointer;
}
.opt-row input:focus, .opt-row select:focus{ outline:none; border-color:var(--amber); }

.val{ font-family:var(--mono); font-size:11.5px; color:var(--ink-dim); min-width:44px; text-align:right; }

/* ---------- ปุ่มแบบเลือกกลุ่ม ---------- */
.chip-row{ display:flex; gap:7px; flex-wrap:wrap; }
.chip{
  background:var(--bg-raised); border:1px solid var(--line-strong); color:var(--ink-dim);
  border-radius:9px; padding:8px 14px; font-family:var(--sans);
  font-size:12.5px; font-weight:600; cursor:pointer;
}
.chip:hover{ border-color:var(--amber-dim); color:var(--ink); }
.chip.on{ background:var(--amber); border-color:var(--amber); color:#141719; }
html[data-theme="light"] .chip.on{ color:#fff; }

/* ---------- เลือกมุมวางลายน้ำ ---------- */
.corner-pick{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:6px;
  width:150px; aspect-ratio:4/3;
  background:var(--bg-raised); border:1px solid var(--line-strong);
  border-radius:10px; padding:6px;
}
.corner-pick button{
  border:1px dashed var(--line-strong); background:none; border-radius:6px;
  cursor:pointer; padding:0; min-height:0;
}
.corner-pick button.on{
  background:var(--amber); border-style:solid; border-color:var(--amber);
}
.corner-pick button.spacer{ border:none; cursor:default; }

/* ---------- สวิตช์เปิด/ปิด ---------- */
.sw{ display:inline-flex; align-items:center; gap:9px; cursor:pointer; user-select:none; }
.sw input{ position:absolute; opacity:0; width:0; height:0; }
.sw .track{
  width:40px; height:22px; border-radius:99px; flex:none;
  background:var(--bg-raised); border:1px solid var(--line-strong);
  position:relative;
}
.sw .track::after{
  content:''; position:absolute; top:2px; left:2px;
  width:16px; height:16px; border-radius:50%;
  background:var(--ink-faint);
}
.sw input:checked + .track{ background:var(--amber-glow); border-color:var(--amber); }
.sw input:checked + .track::after{ left:20px; background:var(--amber); }
.sw span.lbl{ font-size:12.5px; color:var(--ink-dim); }

/* ---------- ข้อความเตือน ---------- */
.notice{
  display:flex; gap:12px; align-items:flex-start;
  border-radius:12px; padding:14px 16px; margin-bottom:16px; font-size:12.5px;
  line-height:1.6;
}
.notice.warn{ background:rgba(245,166,35,.08); border:1px solid var(--amber); }
.notice.bad{ background:rgba(226,85,75,.08); border:1px solid var(--danger); }
.notice.info{ background:rgba(74,163,240,.08); border:1px solid var(--info); }
.notice b{ display:block; margin-bottom:3px; }
.notice .ico{ font-size:17px; line-height:1.2; }

/* ---------- ตัวโหลด ---------- */
.busy{
  position:fixed; inset:0; z-index:200; display:none;
  background:rgba(8,11,14,.78); backdrop-filter:blur(3px);
  align-items:center; justify-content:center; flex-direction:column; gap:16px;
  color:#fff; font-size:13.5px; text-align:center; padding:24px;
}
.busy.on{ display:flex; }
.spinner{
  width:42px; height:42px; border-radius:50%;
  border:3px solid rgba(255,255,255,.2); border-top-color:var(--amber);
  animation:spin .8s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }
.busy .sub{ font-size:11.5px; opacity:.7; max-width:320px; }

/* ---------- Doc Scanner: ลากมุม ---------- */
.crop-wrap{
  position:relative; touch-action:none; user-select:none;
  display:inline-block; max-width:100%; line-height:0;
}
.crop-wrap canvas{ display:block; max-width:100%; height:auto; }
.crop-svg{ position:absolute; inset:0; width:100%; height:100%; overflow:visible; }
.crop-svg polygon{ fill:rgba(245,166,35,.14); stroke:var(--amber); stroke-width:2; }
.crop-svg circle{ fill:var(--amber); stroke:#fff; stroke-width:2; cursor:grab; }
.crop-svg circle.drag{ cursor:grabbing; }
.crop-svg line{ stroke:var(--amber); stroke-width:1; stroke-dasharray:4 4; opacity:.5; }

/* ---------- Doc Scanner: รายการหน้า ---------- */
.page-strip{
  display:flex; gap:10px; overflow-x:auto; padding:4px 2px 10px;
  margin-bottom:16px;
}
.page-item{
  position:relative; flex:none; width:88px; cursor:pointer;
  border:2px solid var(--line-strong); border-radius:9px; overflow:hidden;
  background:var(--bg-raised);
}
.page-item.on{ border-color:var(--amber); }
.page-item img{ display:block; width:100%; height:112px; object-fit:cover; }
.page-item .no{
  position:absolute; top:3px; left:3px;
  background:rgba(0,0,0,.7); color:#fff; border-radius:5px;
  font-size:10px; font-family:var(--mono); padding:1px 6px;
}
.page-item .del{
  position:absolute; top:3px; right:3px; width:20px; height:20px;
  border:none; border-radius:5px; background:rgba(226,85,75,.9); color:#fff;
  font-size:12px; line-height:1; cursor:pointer; padding:0;
}
.page-add{
  flex:none; width:88px; height:112px; border-radius:9px;
  border:2px dashed var(--line-strong); background:none; color:var(--ink-faint);
  cursor:pointer; font-size:24px;
}
.page-add:hover{ border-color:var(--amber); color:var(--amber); }

/* ---------- จอเล็ก ---------- */
@media (max-width:640px){
  .cam-stage{ padding:14px 12px 80px; }
  .opt-row > label:first-child{ width:100%; }
  .opt-row{ gap:8px; }
  .corner-pick{ width:120px; }
  .cam-bar .btn{ flex:1; }
  .viewport video, .viewport canvas, .viewport img{ max-height:52vh; }
}