/* python-note clean memo board v410 */
body.clean-memo-open{overflow:hidden}.clean-memo-modal{position:fixed;inset:0;z-index:9000;background:#0f141b;color:#e2ecf7;display:flex;flex-direction:column}.clean-memo-modal.is-hidden{display:none}.clean-memo-head{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.12);background:rgba(18,24,33,.98)}.clean-memo-title-wrap{display:flex;align-items:center;gap:10px;min-width:0;flex:1}.clean-memo-title-label{font-size:12px;color:#8b96a6;font-weight:800;white-space:nowrap}.clean-memo-title{width:100%;max-width:420px;border:1px solid rgba(255,255,255,.14);background:#070b10;color:#e2ecf7;border-radius:12px;padding:9px 11px;font:700 15px/1.2 system-ui,sans-serif;outline:none}.clean-memo-title:focus{border-color:rgba(102,179,255,.55);box-shadow:0 0 0 3px rgba(102,179,255,.15)}.clean-memo-tools{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.clean-memo-tools button,.clean-memo-context button{appearance:none;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:#e2ecf7;border-radius:10px;padding:7px 10px;font:800 12px/1 system-ui,sans-serif;cursor:pointer}.clean-memo-tools button:hover,.clean-memo-context button:hover{background:rgba(255,255,255,.10)}.clean-memo-tools button.primary{border-color:rgba(102,179,255,.35);background:rgba(102,179,255,.16)}.clean-memo-tools button.danger{border-color:rgba(251,113,133,.34);background:rgba(251,113,133,.11)}.clean-memo-body{flex:1;overflow:auto;padding:14px 14px 80px;background:linear-gradient(180deg,#0f141b,#0b1016)}.clean-memo-sheet{max-width:1220px;margin:0 auto}.clean-memo-rows{display:flex;flex-direction:column;gap:8px}.clean-memo-row{display:grid;grid-template-columns:48px minmax(0,1fr);gap:8px;border-radius:14px}.clean-memo-row.is-selected{outline:1px solid rgba(102,179,255,.55);outline-offset:2px}.clean-memo-row-no{height:34px;min-width:40px;margin-top:0;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.045);color:#8b96a6;border-radius:10px;font:900 12px/1 system-ui,sans-serif;cursor:grab}.clean-memo-row-no:active{cursor:grabbing}.clean-memo-cell-grid{display:grid;gap:8px}.clean-memo-cell-grid.cols-1{grid-template-columns:1fr}.clean-memo-cell-grid.cols-2{grid-template-columns:1fr 1fr}.clean-memo-cell-grid.cols-3{grid-template-columns:1fr 1fr 1fr}.clean-memo-cell{min-height:58px;border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.035);border-radius:14px;padding:8px;outline:none;transition:border-color .12s ease, box-shadow .12s ease}.clean-memo-cell:focus-within,.clean-memo-cell:focus{border-color:rgba(102,179,255,.42);box-shadow:0 0 0 3px rgba(102,179,255,.10)}.clean-memo-cell.is-whole-selected{border-color:rgba(102,179,255,.68);background:rgba(102,179,255,.07);box-shadow:0 0 0 2px rgba(102,179,255,.13) inset}.clean-memo-text{min-height:28px;white-space:pre-wrap;word-break:break-word;outline:none;font:500 15px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif;color:#e2ecf7}.clean-memo-text:empty::before{content:"";display:inline-block}.clean-memo-media-zone{display:flex;flex-direction:column;gap:8px;margin-top:6px}.clean-memo-media{position:relative;display:block;width:70%;max-width:100%;min-width:54px;border-radius:12px;overflow:hidden;border:1px solid rgba(148,163,184,.16);background:rgba(0,0,0,.15);cursor:pointer;user-select:none}.clean-memo-media img,.clean-memo-media video{display:block;width:100%;height:auto;max-height:420px;object-fit:contain;background:#05080d}.clean-memo-media.is-selected{border-color:rgba(96,165,250,.85);box-shadow:0 0 0 2px rgba(96,165,250,.18)}.clean-memo-media[data-kind="video"]::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.08))}.clean-memo-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;width:clamp(22px,18%,46px);height:clamp(22px,18%,46px);border-radius:999px;background:rgba(15,23,42,.68);color:#e5edf7;border:1px solid rgba(255,255,255,.28);font-size:clamp(11px,8%,20px);line-height:1;pointer-events:none}.clean-memo-video-placeholder{display:flex;align-items:center;justify-content:center;min-height:70px;background:#020617;color:#93c5fd;font:900 13px/1 system-ui,sans-serif;letter-spacing:.08em}.clean-memo-resize{display:none;position:absolute;right:4px;bottom:4px;width:12px;height:12px;border-right:2px solid rgba(147,197,253,.88);border-bottom:2px solid rgba(147,197,253,.88);border-radius:0 0 4px 0;cursor:nwse-resize;background:rgba(15,23,42,.25)}.clean-memo-media.is-selected .clean-memo-resize{display:block}.clean-memo-list-thumb{display:block;margin-bottom:7px;width:100%;max-height:90px;overflow:hidden;border-radius:10px;background:#020617}.clean-memo-list-thumb img{display:block;width:100%;height:90px;object-fit:cover;opacity:.88}.clean-memo-context{position:fixed;z-index:9500;min-width:220px;padding:6px;border:1px solid rgba(255,255,255,.14);background:rgba(15,23,42,.98);box-shadow:0 18px 42px rgba(0,0,0,.40);border-radius:14px}.clean-memo-context.is-hidden{display:none}.clean-memo-context button{display:block;width:100%;text-align:left;border:none;background:transparent;border-radius:9px;padding:8px 10px;font-weight:750}.clean-memo-context button:disabled{opacity:.35;cursor:not-allowed}.clean-memo-context hr{border:none;border-top:1px solid rgba(255,255,255,.10);margin:5px 4px}@media(max-width:760px){.clean-memo-head{align-items:flex-start;flex-direction:column}.clean-memo-tools{justify-content:flex-start}.clean-memo-cell-grid.cols-2,.clean-memo-cell-grid.cols-3{grid-template-columns:1fr}.clean-memo-row{grid-template-columns:40px minmax(0,1fr)}.clean-memo-body{padding:10px 10px 90px}.clean-memo-media{width:100%!important}}

.clean-memo-list-actions{display:flex;align-items:center;gap:10px;margin:0 0 12px;flex-wrap:wrap}.clean-memo-list-actions .auth-info{margin:0;color:#8b96a6}

/* ===== v409: square memo UI + exact text drag move/copy and full-height row numbers ===== */
.clean-memo-modal,
.clean-memo-modal *,
.clean-memo-card,
.clean-memo-card *,
.memo-card,
.memo-card *{
  border-radius:0 !important;
}
.clean-memo-media{
  border-radius:0 !important;
  overflow:hidden;
}
.clean-memo-media img,
.clean-memo-media video,
.clean-memo-list-thumb,
.clean-memo-list-thumb img{
  border-radius:0 !important;
}
.clean-memo-media.is-selected{
  border-color:rgba(125,176,235,.75) !important;
  box-shadow:0 0 0 1px rgba(125,176,235,.35) !important;
}
.clean-memo-resize{
  border-radius:0 !important;
}


/* ===== v409: full-height row number + stable square UI ===== */
.clean-memo-row{
  align-items:stretch !important;
}
.clean-memo-row-no{
  height:auto !important;
  min-height:34px !important;
  align-self:stretch !important;
  display:flex !important;
  align-items:center !important;
  justify-content:center !important;
}
.clean-memo-cell-grid{
  align-self:stretch !important;
}


/* ===== v409: exact text D&D and row-number height ===== */
.clean-memo-text{
  -webkit-user-drag:auto;
  user-select:text;
}
.clean-memo-row{
  align-items:stretch !important;
}
.clean-memo-row-no{
  height:100% !important;
  min-height:100% !important;
  align-self:stretch !important;
  display:flex !important;
  align-items:center !important;
  justify-content:center !important;
}
.clean-memo-cell-grid,
.clean-memo-cell{
  min-height:100% !important;
}


/* ===== v410: text drag ghost/drop target + list delete button ===== */
.clean-memo-text-drag-ghost{
  position:fixed;
  z-index:99999;
  max-width:360px;
  padding:4px 7px;
  border:1px solid rgba(125,176,235,.55);
  background:rgba(10,16,24,.92);
  color:#e2ecf7;
  font:600 13px/1.35 system-ui,-apple-system,"Segoe UI",sans-serif;
  pointer-events:none;
  white-space:pre-wrap;
  box-shadow:0 8px 22px rgba(0,0,0,.32);
}
.clean-memo-cell.is-drop-target{
  outline:1px solid rgba(125,176,235,.70) !important;
  outline-offset:2px !important;
}
.clean-memo-card-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:8px;
}
.clean-memo-delete-btn{
  flex:0 0 auto;
  border-color:rgba(251,113,133,.35) !important;
  background:rgba(251,113,133,.10) !important;
}
.clean-memo-delete-btn:hover{
  background:rgba(251,113,133,.18) !important;
}

/* ===== v427: study memo two-column typography ===== */
.clean-memo-modal.is-study-memo .clean-memo-cell-grid.cols-2 .clean-memo-cell:first-child .clean-memo-text{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  font-size:14px;
  line-height:1.6;
}
.clean-memo-modal.is-study-memo .clean-memo-cell-grid.cols-2 .clean-memo-cell:nth-child(2) .clean-memo-text{
  font-family:system-ui,-apple-system,"Segoe UI",sans-serif;
}