/* ====== имитация Windows / Office ====== */
.win{background:#f3f4f8;border:1px solid #c8cfdd;border-radius:10px;overflow:hidden;box-shadow:0 16px 40px rgba(24,33,58,.18);margin:6px 0}
.win-bar{display:flex;align-items:center;gap:8px;background:linear-gradient(#3a4664,#2f3a55);color:#fff;padding:7px 12px}
.win-bar .win-ico{font-size:15px}
.win-bar .win-title{font-size:13px;font-weight:600;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.win-bar .win-ctl{display:flex;gap:10px;color:#aab4d0;font-size:12px}
.win-toolbar{display:flex;align-items:center;gap:8px;background:#eceef5;border-bottom:1px solid #d6dbe8;padding:6px 10px;flex-wrap:wrap}
.win-toolbar .tbtn{border:1px solid #d0d6e4;background:#fff;border-radius:7px;padding:4px 10px;font-size:12.5px;cursor:pointer;transition:background .12s}
.win-toolbar .tbtn:hover{background:#f0f4ff}
.win-toolbar .tbtn.on{background:var(--primary);color:#fff;border-color:var(--primary)}
.win-status{display:flex;gap:16px;background:#eceef5;border-top:1px solid #d6dbe8;padding:5px 12px;font-size:12px;color:#5a647e}
.win-body{background:#fff}

/* ---- проводник ---- */
.exp-layout{display:flex;min-height:320px}
.exp-tree{width:200px;flex:none;border-right:1px solid #e2e6f0;background:#fafbfe;padding:8px 6px;overflow:auto;max-height:420px}
.exp-tree .trow{display:flex;align-items:center;gap:6px;padding:3px 6px;border-radius:6px;cursor:pointer;font-size:13px;white-space:nowrap}
.exp-tree .trow:hover{background:#eef2fd}
.exp-tree .trow.sel{background:var(--primary-soft);color:var(--primary);font-weight:600}
.exp-tree .tw{width:14px;flex:none;text-align:center;color:#8a93ad;font-size:10px;cursor:pointer}
.exp-main{flex:1;padding:8px;overflow:auto;max-height:420px}
.exp-row{display:flex;align-items:center;gap:8px;padding:4px 8px;border-radius:6px;cursor:pointer;font-size:13.5px}
.exp-row:hover{background:#eef2fd}
.exp-row .sz{margin-left:auto;font-size:11.5px;color:#8a93ad}
.exp-crumb{font-size:12.5px;color:#3a4664;background:#fff;border:1px solid #d0d6e4;border-radius:7px;padding:4px 10px;flex:1;min-width:140px;overflow:hidden;white-space:nowrap}
.exp-search{border:1px solid #d0d6e4;border-radius:7px;padding:4px 10px;font-size:12.5px;width:180px}
.exp-search:focus{border-color:var(--primary);outline:none}

/* ---- блокнот ---- */
.notepad-back{position:fixed;inset:0;background:rgba(24,33,58,.45);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:60;padding:14px}
.notepad{width:100%;max-width:640px;max-height:86vh;display:flex;flex-direction:column;background:#fffdf5;border:1px solid #c8cfdd;border-radius:12px;box-shadow:0 24px 60px rgba(24,33,58,.35);overflow:hidden}
.notepad .win-body{overflow:auto;padding:14px 16px;font-family:ui-monospace,Consolas,monospace;font-size:12.5px;white-space:pre-wrap;min-height:120px;background:#fffdf5}
.np-find{display:flex;gap:8px;align-items:center;background:#f2f0e4;border-top:1px solid #e0ddc8;padding:6px 10px}
.np-find input{border:1px solid #d0d6e4;border-radius:6px;padding:3px 8px;font-size:12.5px;flex:1}
.notepad mark{background:#ffe07a;border-radius:3px;padding:0 1px}

/* ---- excel ---- */
.xl-grid-wrap{overflow:auto;max-height:380px;border-top:1px solid #d6dbe8}
.xl-grid{border-collapse:collapse;font-size:12.5px;background:#fff}
.xl-grid th{background:#eef1f7;color:#5a647e;font-weight:600;border:1px solid #d6dbe8;padding:3px 8px;position:sticky;top:0;z-index:2;min-width:86px}
.xl-grid th.rowh{position:sticky;left:0;z-index:3;min-width:34px;width:34px}
.xl-grid td{border:1px solid #e3e7f0;padding:3px 8px;white-space:nowrap;cursor:cell;font-variant-numeric:tabular-nums}
.xl-grid td.sel{outline:2px solid var(--primary);outline-offset:-2px;background:#f4f7ff}
.xl-grid tr.hitrow td{background:#fff3cd}
.xl-fx{display:flex;align-items:center;gap:8px;background:#fff;border-bottom:1px solid #d6dbe8;padding:5px 10px;font-size:12.5px}
.xl-fx .cellname{border:1px solid #d0d6e4;border-radius:5px;padding:2px 8px;background:#fafbfe;font-weight:600;min-width:44px;text-align:center}
.xl-fx-input{flex:1;border:1px solid #d0d6e4;border-radius:6px;padding:4px 10px;font-family:ui-monospace,Consolas,monospace;font-size:13px;background:#fff;color:var(--fg)}
.xl-fx-input:focus{border-color:var(--primary);outline:none}
/* лента Word: кнопки-выравнивания */
.wr-btns{display:flex;gap:4px}
.wr-btns .tbtn.on{background:var(--primary);color:#fff;border-color:var(--primary)}
/* кликабельная шапка таблицы в документе */
.wr-doc th{cursor:pointer;user-select:none}
.xl-fx .fxval{flex:1;font-family:ui-monospace,Consolas,monospace;overflow:hidden;white-space:nowrap}
.xl-chart{position:absolute;right:14px;top:60px;z-index:6;background:#fff;border:1px solid #c8cfdd;border-radius:10px;box-shadow:0 16px 40px rgba(24,33,58,.2);padding:10px}
.xl-chart .ttl{font-size:12px;color:#5a647e;margin-bottom:4px}

/* ---- word / impress ---- */
.wr-layout{display:flex;flex-wrap:wrap}
.wr-doc{flex:1;min-width:260px;padding:26px 30px;background:#fff;min-height:300px;border-right:1px solid #e2e6f0}
.wr-doc{flex:1;padding:26px 30px;background:#fff;min-height:300px;border-right:1px solid #e2e6f0}
.wr-doc .d-h{font-weight:700;margin-bottom:10px;transition:all .25s ease}
.wr-doc p{transition:all .25s ease;margin:0 0 10px}
.wr-doc table{border-collapse:collapse;width:100%;transition:all .25s ease}
.wr-doc td,.wr-doc th{border:1px solid #b9c1d4;padding:3px 8px;font-size:inherit}
.wr-side{width:250px;min-width:230px;flex:1;background:#fafbfe;padding:12px}
.lamp{display:flex;gap:8px;align-items:flex-start;font-size:12.5px;margin:7px 0;color:#5a647e}
.lamp .ic{flex:none;width:18px;height:18px;border-radius:50%;background:#e3e7f0;display:flex;align-items:center;justify-content:center;font-size:11px;transition:all .3s ease}
.lamp.on{color:#1d7a56}
.lamp.on .ic{background:var(--accent-soft);color:#00875f;transform:scale(1.08)}
.imp-stage{flex:1;background:#e8eaf1;padding:16px;display:flex;align-items:center;justify-content:center}
.imp-slide{width:100%;max-width:460px;aspect-ratio:16/9;background:#fff;border:1px solid #c8cfdd;box-shadow:0 10px 26px rgba(24,33,58,.15);padding:18px 22px;display:flex;flex-direction:column}
.imp-slide.t{align-items:center;justify-content:center;text-align:center}
.imp-thumbs{display:flex;gap:8px;padding:10px;background:#f3f4f8;border-top:1px solid #e2e6f0}
.imp-thumb{width:74px;aspect-ratio:16/9;background:#fff;border:2px solid #d6dbe8;border-radius:6px;cursor:pointer;padding:6px;font-size:7px;overflow:hidden}
.imp-thumb.cur{border-color:var(--primary)}
.imp-thumb .tt{font-weight:700;display:block;font-size:8px}
.sel-ctl{display:flex;align-items:center;gap:6px;font-size:12px;color:#5a647e}
.sel-ctl select{border:1px solid #d0d6e4;border-radius:6px;padding:2px 6px;font-size:12px;background:#fff}

/* ---- кумир / ide ---- */
.kumir-menu{display:flex;gap:14px;background:#eceef5;border-bottom:1px solid #d6dbe8;padding:4px 12px;font-size:12.5px;color:#3a4664}
.ide-code{background:#1e2433;color:#dfe6ff;padding:14px 16px;font-family:ui-monospace,Consolas,monospace;font-size:13px;white-space:pre;overflow:auto}
.ide-io{display:flex;gap:14px;padding:12px;flex-wrap:wrap;background:#fff}
.ide-io textarea{border:1px solid #d0d6e4;border-radius:8px;padding:8px;font-family:ui-monospace,Consolas,monospace;font-size:13px;width:170px;height:110px}
.ide-out{background:#12172a;color:#7ce8a8;font-family:ui-monospace,Consolas,monospace;font-size:13px;padding:10px 14px;min-height:38px;border-top:1px solid #2a3350}
.ide-trace{max-height:180px;overflow:auto}
.pos-panel{position:relative}
.pos-panel .task-card{border:1px solid var(--border);border-radius:12px;background:#fff;padding:14px 16px}