/* ============================================================
   So Do Khoi v1.0 — bộ nhận diện "tool app" tone ĐỎ
   Mọi selector đều bọc trong .sdk-app để không rò style ra theme.
   ============================================================ */

/* khoá cuộn trang nền khi app chạy chế độ cửa sổ full màn hình */
html.sdk-lock, body.sdk-lock { overflow: hidden !important; }

.sdk-app{
  /* ---- màu nhấn: đỏ ---- */
  --acc:#E23B2E;
  --acc-deep:#A81E14;
  --acc-bright:#FF6F4D;
  --tint-97:#FEF6F5;
  --tint-93:#FBE7E4;
  --tint-88:#F7D6D1;
  --tint-line:#F0BDB6;
  --on-tint:#8E2A20;

  /* ---- trung tính ---- */
  --surface:#ffffff;
  --surface-2:#FBF8F7;
  --bg:#F6F2F1;
  --canvas:#FFFDFC;
  --text:#221A18;
  --text-2:#7C6C68;
  --line:#EADFDC;
  --hover:rgba(226,59,46,.07);
  --danger:#C0392B;

  --r-lg:26px; --r-md:18px; --r-sm:12px;
  --e1:0 1px 2px rgba(80,25,18,.10), 0 4px 14px rgba(80,25,18,.06);
  --e2:0 10px 30px rgba(80,25,18,.14);
  --e3:0 18px 48px rgba(80,25,18,.22);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;

  position:relative; display:block;
  height:var(--sdk-height,78vh); min-height:460px;
  background:var(--bg); color:var(--text);
  font-family:var(--font); font-size:14px; line-height:1.5;
  overflow:hidden; box-sizing:border-box;
  border-radius:var(--r-lg); box-shadow:var(--e1);
  -webkit-font-smoothing:antialiased;
}
.sdk-app *,.sdk-app *::before,.sdk-app *::after{box-sizing:border-box;}
.sdk-app button{font-family:inherit;}

/* ---------- CHẾ ĐỘ CỬA SỔ FULL MÀN HÌNH ---------- */
.sdk-app.sdk-appmode{
  position:fixed; inset:0; z-index:2147483000;
  width:100%; height:100%; max-width:none;
  margin:0; border:0; border-radius:0; box-shadow:none; min-height:0;
}
.sdk-app.sdk-appmode.sdk-min{
  position:relative; z-index:auto; height:var(--sdk-height,78vh);
  border-radius:var(--r-lg); box-shadow:var(--e1);
}
/* chế độ nhúng trong trang: tràn hết chiều ngang container */
.sdk-app.sdk-fullbleed:not(.sdk-appmode){
  width:100vw;max-width:100vw;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);
  border-radius:0;box-shadow:none;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
@supports (height:100svh){ .sdk-app.sdk-vh100:not(.sdk-appmode){height:100svh;} }
.sdk-app:fullscreen,.sdk-app:-webkit-full-screen{height:100% !important;border-radius:0;}

/* ---------- nền tối ---------- */
.sdk-app.sdk-dark{
  --surface:#241C19; --surface-2:#2C221E; --bg:#191311; --canvas:#17120F;
  --text:#F4EAE7; --text-2:#AC9C97; --line:#3A2E2A; --hover:rgba(255,120,100,.12);
  --tint-97:#2A1D1A; --tint-93:#33221E; --tint-88:#402923; --tint-line:#5A362E; --on-tint:#FFB3A6;
  --e1:0 1px 2px rgba(0,0,0,.5), 0 4px 14px rgba(0,0,0,.35);
  --e2:0 10px 30px rgba(0,0,0,.5); --e3:0 18px 48px rgba(0,0,0,.6);
}

/* ---------- màn hình chờ ---------- */
.sdk-app .sdk-boot{position:absolute;inset:0;display:flex;flex-direction:column;gap:14px;align-items:center;justify-content:center;color:var(--text-2);}
.sdk-app .sdk-boot-spinner{width:34px;height:34px;border:3px solid var(--tint-88);border-top-color:var(--acc);border-radius:50%;animation:sdk-spin .9s linear infinite;}
@keyframes sdk-spin{to{transform:rotate(360deg)}}

/* ---------- khung ---------- */
.sdk-app .sdk-root{position:absolute;inset:0;display:flex;flex-direction:column;}
.sdk-app .sdk-body{position:relative;flex:1;min-height:0;display:flex;}
.sdk-app .sdk-stage{position:relative;flex:1;min-width:0;background:var(--canvas);overflow:hidden;}
.sdk-app .sdk-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;outline:none;}
.sdk-app .sdk-canvas.is-panning{cursor:grabbing;}
.sdk-app .sdk-canvas.is-grab{cursor:grab;}

/* ---------- HERO BAR (gradient đỏ) ---------- */
.sdk-app .sdk-bar{
  position:relative; z-index:12; flex:0 0 auto;
  display:flex; align-items:center; gap:6px;
  height:66px; padding:0 18px 0 20px;
  color:#fff;
  background:linear-gradient(115deg,var(--acc-deep) 0%,var(--acc) 52%,var(--acc-bright) 125%);
}
.sdk-app .sdk-brand{display:flex;align-items:center;gap:12px;flex:0 1 auto;min-width:0;}
.sdk-app .sdk-logo{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.28);
  display:grid;place-items:center;
}
.sdk-app .sdk-logo svg{width:22px;height:22px;fill:#fff;}
.sdk-app .sdk-brandtxt{display:flex;flex-direction:column;min-width:0;}
.sdk-app .sdk-eyebrow{
  font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.72);line-height:1.2;
}
.sdk-app .sdk-title{
  width:230px;max-width:36vw;min-width:110px;
  font:700 16px/1.25 var(--font);letter-spacing:-.02em;color:#fff;
  background:transparent;border:1px solid transparent;border-radius:9px;
  padding:3px 8px;margin-left:-8px;
}
.sdk-app .sdk-title::placeholder{color:rgba(255,255,255,.6);}
.sdk-app .sdk-title:hover{background:rgba(255,255,255,.12);}
.sdk-app .sdk-title:focus{outline:none;background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.5);}
.sdk-app .sdk-bar-spacer{flex:1 1 auto;}
.sdk-app .sdk-bar-group{display:flex;align-items:center;gap:2px;position:relative;z-index:1;}
.sdk-app .sdk-sep{width:1px;height:26px;background:rgba(255,255,255,.28);margin:0 8px;flex:0 0 auto;}

/* nút biểu tượng trên hero */
.sdk-app .sdk-ico{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;
  border:none;background:transparent;color:#fff;cursor:pointer;flex:0 0 auto;padding:0;
  transition:background .16s ease,transform .16s ease,opacity .16s;
}
.sdk-app .sdk-ico svg{width:20px;height:20px;fill:currentColor;pointer-events:none;}
.sdk-app .sdk-ico:hover{background:rgba(255,255,255,.18);}
.sdk-app .sdk-ico:active{transform:translateY(1px);}
.sdk-app .sdk-ico[disabled]{opacity:.38;cursor:default;background:transparent;}
.sdk-app .sdk-ico.is-on{background:rgba(255,255,255,.26);}

/* nút biểu tượng trên nền sáng (bảng định dạng, thanh zoom…) */
.sdk-app .sdk-ico-light{color:var(--text-2);}
.sdk-app .sdk-ico-light:hover{background:var(--hover);color:var(--acc-deep);}
.sdk-app .sdk-ico-light.is-on{background:var(--tint-93);color:var(--acc-deep);}

/* nút chính kiểu pill */
.sdk-app .sdk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:42px;padding:0 20px;border-radius:99px;border:1px solid transparent;
  background:var(--acc-deep);color:#fff;font:700 13.5px/1 var(--font);letter-spacing:-.01em;
  cursor:pointer;white-space:nowrap;transition:transform .15s,box-shadow .15s,background .15s;
}
.sdk-app .sdk-btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(168,30,20,.28);}
.sdk-app .sdk-btn svg{width:17px;height:17px;fill:currentColor;}
.sdk-app .sdk-btn-hero{background:#fff;color:var(--acc-deep);}
.sdk-app .sdk-btn-hero:hover{background:#fff;box-shadow:0 10px 24px rgba(60,10,5,.28);}
.sdk-app .sdk-btn-out{background:var(--surface);color:var(--acc-deep);border-color:var(--tint-line);}
.sdk-app .sdk-btn-out:hover{background:var(--tint-97);box-shadow:none;}
.sdk-app .sdk-btn-text{background:transparent;color:var(--acc-deep);}
.sdk-app .sdk-btn-text:hover{background:var(--tint-93);box-shadow:none;transform:none;}
.sdk-app .sdk-btn-danger{background:var(--danger);color:#fff;}

/* chip tệp đang liên kết trên thanh hero */
.sdk-app .sdk-filechip{
  display:none;align-items:center;gap:7px;height:32px;padding:0 5px 0 11px;border-radius:99px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.30);color:#fff;
  font:700 12px var(--font);max-width:230px;flex:0 0 auto;
}
.sdk-app .sdk-filechip.is-on{display:inline-flex;}
.sdk-app .sdk-filechip.is-pending{background:rgba(255,255,255,.30);}
.sdk-app .sdk-filechip>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sdk-app .sdk-filechip>svg{width:15px;height:15px;fill:currentColor;flex:0 0 auto;}
.sdk-app .sdk-filechip button{
  width:24px;height:24px;border-radius:50%;border:none;background:transparent;color:#fff;
  cursor:pointer;display:grid;place-items:center;flex:0 0 auto;padding:0;
}
.sdk-app .sdk-filechip button:hover{background:rgba(255,255,255,.28);}
.sdk-app .sdk-filechip button svg{width:13px;height:13px;fill:currentColor;}
@media (max-width:980px){ .sdk-app .sdk-filechip{max-width:120px;} }
@media (max-width:720px){ .sdk-app .sdk-filechip{display:none !important;} }

/* select phông chữ trong bảng định dạng */
.sdk-app select.sdk-field{
  appearance:none;-webkit-appearance:none;cursor:pointer;padding-right:34px;
  background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);
  background-size:6px 6px,6px 6px;
  background-position:calc(100% - 18px) calc(50% + 1px),calc(100% - 12px) calc(50% + 1px);
  background-repeat:no-repeat;
}

/* tooltip */
.sdk-app .sdk-tip{position:relative;}
.sdk-app .sdk-tip::after{
  content:attr(data-tip);position:absolute;top:calc(100% + 8px);left:50%;
  transform:translateX(-50%) scale(.92);transform-origin:top center;
  background:#2A1512;color:#fff;font-size:11.5px;font-weight:600;line-height:1;padding:7px 9px;
  border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;
  transition:opacity .12s ease,transform .12s ease;z-index:80;box-shadow:var(--e1);
}
.sdk-app .sdk-tip:hover::after{opacity:1;transform:translateX(-50%) scale(1);}
.sdk-app .sdk-tip-r::after{left:auto;right:0;transform:translateX(0) scale(.92);transform-origin:top right;}
.sdk-app .sdk-tip-r:hover::after{transform:translateX(0) scale(1);}
.sdk-app .sdk-tip-up::after{top:auto;bottom:calc(100% + 8px);transform-origin:bottom center;}

/* ---------- menu thả xuống ---------- */
.sdk-app .sdk-menu{
  position:absolute;min-width:250px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--e3);padding:9px;z-index:60;display:none;
  max-height:72vh;overflow:auto;overscroll-behavior:contain;
}
.sdk-app .sdk-menu.is-open{display:block;animation:sdk-pop .14s ease-out;}
@keyframes sdk-pop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.sdk-app .sdk-menu-item{
  display:flex;align-items:center;gap:13px;width:100%;padding:10px 12px;border:none;border-radius:12px;
  background:transparent;font:600 13.5px/1.35 var(--font);color:var(--text);cursor:pointer;text-align:left;
}
.sdk-app .sdk-menu-item:hover{background:var(--tint-97);color:var(--acc-deep);}
.sdk-app .sdk-menu-item svg{width:18px;height:18px;fill:var(--acc);flex:0 0 auto;}
.sdk-app .sdk-menu-item .sdk-kbd{margin-left:auto;}
.sdk-app .sdk-menu-sep{height:1px;background:var(--line);margin:7px 4px;}
.sdk-app .sdk-menu-label{padding:8px 12px 6px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--acc-deep);font-weight:800;}

/* ---------- bảng định dạng ---------- */
.sdk-app .sdk-panel{
  flex:0 0 300px;width:300px;background:var(--surface-2);border-left:1px solid var(--line);
  display:flex;flex-direction:column;transition:margin-right .24s cubic-bezier(.4,0,.2,1);z-index:9;
}
.sdk-app .sdk-panel.is-hidden{margin-right:-300px;}
.sdk-app .sdk-panel-head{display:flex;align-items:center;gap:8px;height:54px;padding:0 10px 0 18px;border-bottom:1px solid var(--line);}
.sdk-app .sdk-panel-head h3{margin:0;font:800 12px/1 var(--font);letter-spacing:.12em;text-transform:uppercase;color:var(--acc-deep);flex:1;}
.sdk-app .sdk-panel-body{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:14px 14px 28px;}
.sdk-app .sdk-group{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px;margin-bottom:12px;
}
.sdk-app .sdk-group>label,.sdk-app .sdk-lbl{
  display:block;font-size:10.5px;font-weight:800;letter-spacing:.11em;text-transform:uppercase;
  color:var(--text-2);margin-bottom:11px;
}
.sdk-app .sdk-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}

.sdk-app .sdk-swatches{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;}
.sdk-app .sdk-sw{
  width:32px;height:32px;border-radius:11px;border:2px solid transparent;cursor:pointer;padding:0;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.10);
}
.sdk-app .sdk-sw.is-on{border-color:var(--acc);box-shadow:inset 0 0 0 2px var(--surface);}
.sdk-app .sdk-sw-auto{background:var(--tint-97);display:grid;place-items:center;font-size:10px;font-weight:800;color:var(--on-tint);}
.sdk-app .sdk-sw-none{
  background-image:
    linear-gradient(45deg, transparent 43%, var(--danger) 43%, var(--danger) 57%, transparent 57%),
    linear-gradient(45deg, #e9e2e0 25%, transparent 25%, transparent 75%, #e9e2e0 75%),
    linear-gradient(45deg, #e9e2e0 25%, #fff 25%, #fff 75%, #e9e2e0 75%);
  background-size:100% 100%, 10px 10px, 10px 10px;
  background-position:0 0, 0 0, 5px 5px;
}

.sdk-app .sdk-seg{display:flex;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface-2);}
.sdk-app .sdk-seg button{
  flex:1;height:40px;border:none;background:transparent;color:var(--text-2);cursor:pointer;
  font:700 13px var(--font);display:grid;place-items:center;border-right:1px solid var(--line);
}
.sdk-app .sdk-seg button:last-child{border-right:none;}
.sdk-app .sdk-seg button.is-on{background:var(--acc);color:#fff;}
.sdk-app .sdk-seg svg{width:18px;height:18px;fill:currentColor;}

.sdk-app .sdk-field{
  width:100%;min-height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--surface-2);color:var(--text);font:500 13.5px/1.45 var(--font);padding:11px 13px;resize:vertical;
}
.sdk-app .sdk-field:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px var(--tint-93);}
.sdk-app .sdk-color{
  width:44px;height:38px;padding:3px;border:1px solid var(--line);border-radius:11px;
  background:var(--surface);cursor:pointer;flex:0 0 auto;
}
.sdk-app .sdk-color::-webkit-color-swatch-wrapper{padding:0;}
.sdk-app .sdk-color::-webkit-color-swatch{border:none;border-radius:8px;}
.sdk-app .sdk-hint{font-size:11.5px;color:var(--text-2);font-weight:600;}
.sdk-app .sdk-chip{
  display:inline-flex;align-items:center;gap:7px;min-height:34px;padding:0 14px;border-radius:99px;
  border:1px solid var(--tint-line);background:var(--surface);color:var(--acc-deep);
  font:700 12px var(--font);cursor:pointer;transition:.15s;
}
.sdk-app .sdk-chip:hover{background:var(--tint-93);}
.sdk-app .sdk-chip.is-on{background:var(--acc);color:#fff;border-color:transparent;}
.sdk-app .sdk-chip svg{width:15px;height:15px;fill:currentColor;}
.sdk-app .sdk-emoji{display:grid;grid-template-columns:repeat(8,1fr);gap:3px;}
.sdk-app .sdk-emoji button{height:31px;border:none;background:transparent;border-radius:9px;cursor:pointer;font-size:17px;line-height:1;}
.sdk-app .sdk-emoji button:hover{background:var(--tint-93);}
.sdk-app .sdk-empty{padding:34px 10px;text-align:center;color:var(--text-2);font-size:13px;font-weight:600;}

/* ---------- điều khiển nổi trên canvas ---------- */
.sdk-app .sdk-fab{
  position:absolute;left:50%;bottom:22px;transform:translateX(-50%);
  display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 24px;border:none;border-radius:99px;
  background:var(--acc-deep);color:#fff;font:800 14px/1 var(--font);letter-spacing:-.01em;cursor:pointer;
  box-shadow:0 10px 26px rgba(168,30,20,.32);z-index:5;transition:transform .16s,box-shadow .16s;
}
.sdk-app .sdk-fab:hover{transform:translateX(-50%) translateY(-2px);box-shadow:0 14px 32px rgba(168,30,20,.4);}
.sdk-app .sdk-fab svg{width:20px;height:20px;fill:currentColor;}


/* ---------- ô soạn chữ ---------- */
.sdk-app .sdk-editor{
  position:absolute;z-index:20;display:none;border:2px solid var(--acc);border-radius:12px;
  background:var(--surface);color:var(--text);box-shadow:0 0 0 4px var(--tint-93),var(--e2);
  font-family:var(--font);text-align:center;overflow:hidden;resize:none;padding:6px 8px;
}
.sdk-app .sdk-editor.is-on{display:block;}
.sdk-app .sdk-editor:focus{outline:none;}

/* ---------- hộp thoại ---------- */
.sdk-app .sdk-scrim{
  position:absolute;inset:0;background:rgba(48,12,8,.5);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  display:none;align-items:center;justify-content:center;z-index:70;padding:22px;
}
.sdk-app .sdk-scrim.is-open{display:flex;animation:sdk-fade .16s ease;}
@keyframes sdk-fade{from{opacity:0}to{opacity:1}}
.sdk-app .sdk-dialog{
  background:var(--surface);border-radius:27px;box-shadow:var(--e3);width:min(580px,100%);
  max-height:100%;display:flex;flex-direction:column;overflow:hidden;
}
.sdk-app .sdk-dialog h2{margin:0;padding:26px 28px 8px;font:800 22px/1.25 var(--font);letter-spacing:-.035em;color:var(--text);}
.sdk-app .sdk-dialog-body{padding:6px 28px 10px;overflow-y:auto;overscroll-behavior:contain;color:var(--text-2);font-size:13.5px;font-weight:500;}
.sdk-app .sdk-dialog-actions{display:flex;justify-content:flex-end;gap:10px;padding:16px 24px 22px;}

.sdk-app .sdk-list{list-style:none;margin:0;padding:0;}
.sdk-app .sdk-list li{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:14px;cursor:pointer;border:1px solid transparent;}
.sdk-app .sdk-list li:hover{background:var(--tint-97);border-color:var(--tint-88);}
.sdk-app .sdk-li-main{flex:1;min-width:0;}
.sdk-app .sdk-li-name{color:var(--text);font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sdk-app .sdk-li-sub{font-size:12px;color:var(--text-2);font-weight:600;}
.sdk-app .sdk-list .sdk-ico{width:36px;height:36px;color:var(--text-2);}
.sdk-app .sdk-list .sdk-ico:hover{background:var(--tint-93);color:var(--danger);}

.sdk-app .sdk-keys{display:grid;grid-template-columns:1fr 1fr;gap:6px 24px;}
.sdk-app .sdk-keys div{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:7px 0;border-bottom:1px solid var(--line);}
.sdk-app .sdk-kbd{
  font:800 11.5px/1.7 ui-monospace,Menlo,Consolas,monospace;background:var(--tint-93);
  border:1px solid var(--tint-88);border-radius:7px;padding:1px 8px;color:var(--on-tint);white-space:nowrap;
}
.sdk-app .sdk-note{
  background:var(--tint-97);border:1px solid var(--tint-88);border-radius:13px;
  padding:12px 14px;color:var(--on-tint);font-size:12.5px;font-weight:600;margin-bottom:16px;
}

/* ---------- snackbar ---------- */
.sdk-app .sdk-snack{
  position:absolute;left:50%;bottom:86px;transform:translate(-50%,20px);opacity:0;pointer-events:none;
  background:#2A1512;color:#fff;border-radius:99px;padding:13px 22px;font-size:13px;font-weight:700;
  box-shadow:var(--e2);z-index:65;transition:opacity .2s,transform .2s;max-width:min(520px,90%);
}
.sdk-app .sdk-snack.is-on{opacity:1;transform:translate(-50%,0);}

.sdk-app .sdk-ctx{position:absolute;z-index:66;}

/* ---------- responsive ---------- */
@media (max-width:1040px){
  .sdk-app .sdk-panel{position:absolute;top:0;right:0;bottom:0;box-shadow:var(--e3);}
}
@media (max-width:980px){
  .sdk-app .sdk-hide-sm{display:none !important;}
  .sdk-app .sdk-tab span{display:none;}
  .sdk-app .sdk-tab{padding:0 6px;}
}
@media (max-width:720px){
  .sdk-app{--r-lg:0px;}
  .sdk-app .sdk-bar{height:60px;padding:0 10px 0 12px;gap:2px;}
  .sdk-app .sdk-logo{width:34px;height:34px;}
  .sdk-app .sdk-title{width:150px;font-size:15px;}
  .sdk-app .sdk-eyebrow{display:none;}
  .sdk-app .sdk-ico{width:36px;height:36px;}
  .sdk-app .sdk-tabbar{left:10px;top:44px;padding:4px;gap:3px;}
  .sdk-app .sdk-fab{height:46px;padding:0 18px;bottom:16px;}
  .sdk-app .sdk-panel{flex-basis:100%;width:100%;}
  .sdk-app .sdk-panel.is-hidden{margin-right:-100%;}
  .sdk-app .sdk-keys{grid-template-columns:1fr;}
  .sdk-app .sdk-dialog{border-radius:22px;}
}

/* ---------- khu vực quản trị ---------- */
.sdk-admin-wrap{margin-right:16px;}
.sdk-admin-hint{margin-top:12px;color:#7C6C68;}


/* ============================================================
   THÀNH PHẦN RIÊNG CỦA SƠ ĐỒ KHỐI
   ============================================================ */

/* ---------- DOCK TRÁI: hình khối + công cụ + khung nhìn ---------- */
.sdk-app .sdk-lib{
  flex:0 0 250px; width:250px; background:var(--surface-2); border-right:1px solid var(--line);
  display:flex; flex-direction:column; z-index:7; min-height:0;
  transition:margin-left .24s cubic-bezier(.4,0,.2,1);
}
.sdk-app .sdk-lib.is-hidden{margin-left:-250px;}
.sdk-app .sdk-lib-head{
  display:flex;align-items:center;gap:8px;height:54px;padding:0 10px 0 18px;
  border-bottom:1px solid var(--line);flex:0 0 auto;
}
.sdk-app .sdk-lib-head h3{
  margin:0;font:800 12px/1 var(--font);letter-spacing:.12em;text-transform:uppercase;color:var(--acc-deep);flex:1;
}
.sdk-app .sdk-lib-body{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:4px 12px 14px;}
.sdk-app .sdk-lib-foot{
  flex:0 0 auto;padding:10px 12px 12px;border-top:1px solid var(--line);
  background:var(--surface);box-shadow:0 -6px 16px rgba(80,25,18,.05);
}
.sdk-app .sdk-cat{
  font-size:10px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--text-2);margin:12px 2px 8px;
}
.sdk-app button.sdk-cat{
  display:flex;align-items:center;justify-content:space-between;gap:6px;
  width:100%;padding:6px 8px;border:none;border-radius:9px;background:transparent;
  cursor:pointer;font-family:var(--font);text-align:left;margin:10px 0 6px;
}
.sdk-app button.sdk-cat:hover{background:var(--tint-97);color:var(--acc-deep);}
.sdk-app button.sdk-cat svg{width:15px;height:15px;fill:currentColor;transition:transform .2s ease;flex:0 0 auto;}
.sdk-app button.sdk-cat.is-collapsed svg{transform:rotate(-90deg);}
.sdk-app .sdk-shapes.is-collapsed{display:none;}
.sdk-app .sdk-lib-foot .sdk-cat{margin-top:2px;}
.sdk-app .sdk-lib-foot .sdk-cat + .sdk-cat{margin-top:12px;}

/* lưới hình khối */
.sdk-app .sdk-shapes{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;}
.sdk-app .sdk-shape{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  height:66px;padding:6px 3px 5px;border:1px solid var(--line);border-radius:14px;background:var(--surface);
  cursor:grab;transition:.15s;
}
.sdk-app .sdk-shape:hover{border-color:var(--acc);background:var(--tint-97);transform:translateY(-2px);box-shadow:var(--e1);}
.sdk-app .sdk-shape.is-on{border-color:var(--acc);background:var(--tint-93);}
.sdk-app .sdk-shape svg{width:38px;height:25px;}
.sdk-app .sdk-shape span{font-size:9px;font-weight:700;color:var(--text-2);text-align:center;line-height:1.15;}
.sdk-app .sdk-shape:hover span{color:var(--acc-deep);}

/* 3 công cụ chính */
.sdk-app .sdk-dock-tools{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;}
.sdk-app .sdk-tool{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  height:56px;padding:0 2px;border:1px solid var(--line);border-radius:14px;background:var(--surface);
  color:var(--text-2);font:700 10.5px/1 var(--font);cursor:pointer;transition:.15s;
}
.sdk-app .sdk-tool svg{width:19px;height:19px;fill:currentColor;}
.sdk-app .sdk-tool:hover{border-color:var(--acc);background:var(--tint-97);color:var(--acc-deep);}
.sdk-app .sdk-tool.is-on{background:var(--acc);border-color:transparent;color:#fff;box-shadow:0 4px 12px rgba(226,59,46,.28);}

/* lưới / bắt điểm */
.sdk-app .sdk-dock-chips{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:6px;}
.sdk-app .sdk-dock-chips .sdk-chip{
  justify-content:center;height:34px;padding:0 8px;border-color:var(--line);
  background:var(--surface);color:var(--text-2);font-size:11.5px;
}
.sdk-app .sdk-dock-chips .sdk-chip.is-on{background:var(--tint-93);color:var(--acc-deep);border-color:var(--tint-line);}

/* hàng thu phóng */
.sdk-app .sdk-dock-zoom{
  display:flex;align-items:center;gap:2px;padding:3px;
  border:1px solid var(--line);border-radius:99px;background:var(--surface-2);
}
.sdk-app .sdk-dock-zoom .sdk-ico{width:32px;height:32px;border-radius:50%;}
.sdk-app .sdk-zoom-val{
  flex:1;text-align:center;font-size:12.5px;font-weight:800;color:var(--text);user-select:none;
}

/* số liệu sơ đồ */
.sdk-app .sdk-status{
  display:flex;flex-wrap:wrap;gap:5px 6px;margin-top:10px;
}
.sdk-app .sdk-status span{
  display:inline-flex;align-items:center;gap:4px;padding:4px 9px;border-radius:99px;
  background:var(--surface-2);border:1px solid var(--line);
  font-size:11px;font-weight:600;color:var(--text-2);
}
.sdk-app .sdk-status span.is-sel{background:var(--tint-93);border-color:var(--tint-line);color:var(--acc-deep);}
.sdk-app .sdk-status b{color:var(--text);font-weight:800;}
.sdk-app .sdk-status span.is-sel b{color:var(--acc-deep);}

/* ---------- ghost khi kéo hình khối ra canvas ---------- */
.sdk-app .sdk-ghost{
  position:absolute;z-index:30;pointer-events:none;display:none;
  border:2px dashed var(--acc);background:var(--tint-93);border-radius:10px;opacity:.9;
}
.sdk-app .sdk-ghost.is-on{display:block;}


/* ---------- ô nhập kích thước khối ---------- */
.sdk-app .sdk-size{
  position:absolute;right:18px;bottom:18px;z-index:6;display:none;align-items:center;gap:7px;
  padding:7px 13px;border-radius:99px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--e1);
}
.sdk-app .sdk-size.is-on{display:flex;}
.sdk-app .sdk-size label{font-size:10.5px;font-weight:800;letter-spacing:.06em;color:var(--text-2);text-transform:uppercase;}
.sdk-app .sdk-size input{
  width:64px;height:32px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2);
  color:var(--text);font:700 13px var(--font);text-align:center;padding:0 4px;
}
.sdk-app .sdk-size input:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px var(--tint-93);}
.sdk-app .sdk-size .sdk-x{color:var(--text-2);font-weight:800;font-size:12px;}

/* ---------- nhóm nút căn lề ---------- */
.sdk-app .sdk-aligns{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;}
.sdk-app .sdk-aligns button{
  height:34px;border:1px solid var(--line);border-radius:10px;background:var(--surface);
  color:var(--text-2);cursor:pointer;display:grid;place-items:center;transition:.15s;
}
.sdk-app .sdk-aligns button:hover{border-color:var(--acc);color:var(--acc-deep);background:var(--tint-97);}
.sdk-app .sdk-aligns svg{width:17px;height:17px;fill:currentColor;}

@media (max-width:1040px){
  .sdk-app .sdk-lib{position:absolute;top:0;left:0;bottom:0;box-shadow:var(--e3);}
}
@media (max-width:720px){
  .sdk-app .sdk-size{right:10px;bottom:14px;padding:5px 9px;gap:5px;}
  .sdk-app .sdk-size input{width:54px;height:30px;}
  .sdk-app .sdk-lib{flex-basis:86%;width:86%;}
  .sdk-app .sdk-lib.is-hidden{margin-left:-86%;}
  .sdk-app .sdk-shapes{grid-template-columns:repeat(4,1fr);}
}