:root{
  --paper:#F5F4EF; --surface:#FFFFFF; --ink:#22262B; --ink-soft:#5A626B;
  --ink-faint:#8B929A; --line:#E4E1D8; --line-strong:#D6D2C7;
  --accent:#2E6E5B; --accent-deep:#245747; --accent-soft:#E7F0EC;
  --amber:#C97E22; --amber-soft:#FAEED6; --danger:#B4462F; --danger-soft:#F6E4DF;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Code","JetBrains Mono",Menlo,Consolas,monospace;
  --radius:10px; --shadow:0 1px 2px rgba(34,38,43,.05),0 8px 24px -12px rgba(34,38,43,.18);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;font-size:15px;line-height:1.45}
button{font-family:inherit;cursor:pointer}
input,select{font-family:inherit}
::selection{background:var(--accent-soft)}
.hidden{display:none !important}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line-strong);
  background:var(--surface);color:var(--ink);padding:8px 12px;border-radius:8px;
  font-size:13.5px;font-weight:550;transition:background .12s,border-color .12s,transform .04s}
.btn:hover{background:#FBFAF7;border-color:var(--ink-faint)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-deep);border-color:var(--accent-deep)}
.btn.ghost{border-color:transparent;background:transparent;color:var(--ink-soft)}
.btn.ghost:hover{background:#EFEDE6;color:var(--ink)}
.btn.sm{padding:6px 9px;font-size:12.5px}
.btn.icon{padding:7px}
.btn svg{width:15px;height:15px;stroke:currentColor;stroke-width:1.9;fill:none;stroke-linecap:round;stroke-linejoin:round}
.field{font-size:14px;color:var(--ink);background:var(--surface);border:1px solid var(--line-strong);
  border-radius:8px;padding:9px 11px;outline:none;width:100%}
.field:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}

/* ---------- Auth ---------- */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(1200px 500px at 50% -10%,#EAF0EC,transparent),var(--paper)}
.auth-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow);width:100%;max-width:400px;padding:30px 28px}
.auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.auth-brand .glyph{width:30px;height:30px;border-radius:8px;background:var(--accent);
  display:grid;place-items:center;flex:none}
.auth-brand .glyph::before{content:"";width:16px;height:16px;
  background:linear-gradient(#fff,#fff) 0 2px/16px 2px no-repeat,
            linear-gradient(#fff,#fff) 0 7px/11px 2px no-repeat,
            linear-gradient(#fff,#fff) 0 12px/16px 2px no-repeat}
.auth-brand b{font-size:16px;letter-spacing:-.01em}
.auth-brand small{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-faint);font-weight:500}
.auth-tabs{display:flex;gap:4px;background:#F1EFE8;padding:4px;border-radius:10px;margin-bottom:18px}
.auth-tabs button{flex:1;border:none;background:transparent;padding:8px;border-radius:7px;
  font-size:13.5px;font-weight:600;color:var(--ink-soft)}
.auth-tabs button.on{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.06)}
.auth-card label{display:block;font-size:12px;font-weight:600;color:var(--ink-soft);margin:12px 0 5px}
.auth-card .btn.primary{width:100%;justify-content:center;margin-top:20px;padding:11px}
.auth-err{background:var(--danger-soft);color:var(--danger);border:1px solid #E8C4BB;
  border-radius:8px;padding:8px 11px;font-size:13px;margin-top:14px}
.auth-hint{color:var(--ink-faint);font-size:12px;margin-top:14px;text-align:center}

/* ---------- Top bar ---------- */
.topbar{display:flex;align-items:center;gap:16px;padding:12px 20px;background:var(--surface);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.brand{display:flex;align-items:center;gap:10px;font-weight:650;letter-spacing:-.01em}
.brand .glyph{width:26px;height:26px;border-radius:7px;background:var(--accent);display:grid;place-items:center;flex:none}
.brand .glyph::before{content:"";width:14px;height:14px;
  background:linear-gradient(#fff,#fff) 0 2px/14px 2px no-repeat,
            linear-gradient(#fff,#fff) 0 6px/10px 2px no-repeat,
            linear-gradient(#fff,#fff) 0 10px/14px 2px no-repeat}
.brand small{display:block;font-family:var(--mono);font-size:10px;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint)}
.topbar .spacer{flex:1}
.user-chip{display:flex;align-items:center;gap:9px;color:var(--ink-soft);font-size:13.5px}
.user-chip .av{width:28px;height:28px;border-radius:50%;background:var(--accent-soft);
  color:var(--accent-deep);display:grid;place-items:center;font-weight:700;font-size:12px}

/* ---------- Layout ---------- */
.shell{display:flex;min-height:calc(100vh - 51px)}
.sidebar{width:270px;flex:none;background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column}
.side-sec{padding:16px 16px 8px}
.eyebrow{font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-faint)}
.sem-list{list-style:none;margin:0;padding:0 8px 8px;overflow-y:auto;flex:1}
.sem-group{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-faint);padding:12px 10px 4px}
.sem-item{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:8px;
  cursor:pointer;color:var(--ink-soft);font-weight:520;line-height:1.25}
.sem-item:hover{background:#F3F1EA;color:var(--ink)}
.sem-item.active{background:var(--accent-soft);color:var(--accent-deep);font-weight:600}
.sem-item .dot{width:7px;height:7px;border-radius:50%;background:var(--line-strong);flex:none}
.sem-item.active .dot{background:var(--accent)}
.sem-item .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sem-item .badge{font-family:var(--mono);font-size:9px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--amber);background:var(--amber-soft);padding:1px 5px;border-radius:5px}
.sem-item .del{opacity:0;color:var(--ink-faint);border:none;background:none;padding:2px;border-radius:5px;display:grid;place-items:center}
.sem-item:hover .del{opacity:1}
.sem-item .del:hover{color:var(--danger);background:var(--danger-soft)}
.sem-item .del svg{width:14px;height:14px;stroke:currentColor;stroke-width:1.9;fill:none;stroke-linecap:round}
.sidebar-foot{padding:12px 16px;border-top:1px solid var(--line)}
.sidebar-foot .btn{width:100%;justify-content:center}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.main-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:18px 24px;
  border-bottom:1px solid var(--line);background:var(--paper)}
.title-input{font-size:22px;font-weight:680;letter-spacing:-.02em;color:var(--ink);border:none;
  background:transparent;outline:none;padding:4px 6px;border-radius:8px;min-width:220px;flex:1}
.title-input:hover{background:#EFEDE6}
.title-input:focus{background:var(--surface);box-shadow:0 0 0 3px var(--accent-soft)}
.title-input:disabled{background:transparent;color:var(--ink)}
.toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tool-sep{width:1px;height:24px;background:var(--line-strong);margin:0 2px}
.role-pill{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent-deep);background:var(--accent-soft);padding:4px 8px;border-radius:6px}
.role-pill.view{color:var(--amber);background:var(--amber-soft)}

.canvas{flex:1;overflow:auto;padding:24px}
.plan-meta{display:flex;gap:18px;flex-wrap:wrap;align-items:flex-end;margin-bottom:16px}
.plan-meta .mi{display:flex;flex-direction:column;gap:4px}
.plan-meta .mi label{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint)}
.plan-meta .mi input{padding:6px 9px;font-size:13px;max-width:170px}
.plan-meta .mi input.start{font-family:var(--mono);max-width:96px;text-align:center}

/* ---------- Tabelle ---------- */
.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden}
table.plan{border-collapse:collapse;width:100%;table-layout:fixed}
table.plan thead th{background:#FBFAF7;border-bottom:1px solid var(--line-strong);text-align:left;vertical-align:top;padding:0;position:relative}
.th-inner{display:flex;align-items:flex-start;gap:4px;padding:10px 12px}
.col-label{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  font-weight:600;color:var(--ink);outline:none;flex:1;min-width:0;border-radius:4px;padding:2px 3px}
.col-label:focus{box-shadow:0 0 0 2px var(--accent-soft);background:var(--surface)}
.col-tools{display:flex;gap:1px;opacity:0;transition:opacity .12s}
th:hover .col-tools{opacity:1}
.col-tools button{border:none;background:none;color:var(--ink-faint);padding:2px;border-radius:4px;display:grid;place-items:center;line-height:0}
.col-tools button:hover{background:#ECEAE2;color:var(--ink)}
.col-tools button.rm:hover{background:var(--danger-soft);color:var(--danger)}
.col-tools svg{width:13px;height:13px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
th.col-handle{width:38px}
th.col-actions{width:40px}

table.plan tbody td{border-bottom:1px solid var(--line);vertical-align:top;padding:0}
table.plan tbody tr:last-child td{border-bottom:none}
.cell{outline:none;padding:10px 12px;min-height:42px;font-size:14px;color:var(--ink);
  line-height:1.5;white-space:pre-wrap;word-break:break-word}
.cell:empty::before{content:attr(data-ph);color:var(--ink-faint)}
.cell:focus{background:var(--accent-soft);box-shadow:inset 0 0 0 2px var(--accent)}
.cell[contenteditable="false"]{color:var(--ink)}

/* Zeit-/Dauer-Zelle */
td.time-cell{background:#FCFBF8}
.time-box{padding:8px 10px;display:flex;flex-direction:column;gap:5px}
.time-range{font-family:var(--mono);font-size:13px;font-variant-numeric:tabular-nums;
  color:var(--ink);letter-spacing:-.01em;cursor:pointer;border-radius:5px;padding:1px 3px;width:max-content}
.time-range:hover{background:#EFEDE6}
.time-range .pin{color:var(--amber);margin-left:4px;font-size:11px}
.dur-line{display:flex;align-items:center;gap:5px}
.dur-line .lab{font-family:var(--mono);font-size:9px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint)}
.dur-input{font-family:var(--mono);font-size:12px;width:54px;text-align:center;border:1px solid var(--line-strong);
  border-radius:6px;padding:3px 4px;background:var(--surface);color:var(--ink);outline:none;font-variant-numeric:tabular-nums}
.dur-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}

td.handle-cell{text-align:center;color:var(--ink-faint)}
.grip{display:inline-flex;padding:8px 6px;cursor:grab;color:var(--ink-faint);border-radius:6px}
.grip:hover{background:#F0EEE7;color:var(--ink)}
.grip:active{cursor:grabbing}
.grip svg{width:14px;height:16px;fill:currentColor}
td.row-actions{text-align:center}
td.row-actions .rm{border:none;background:none;color:var(--ink-faint);padding:7px;border-radius:6px;
  display:inline-grid;place-items:center;opacity:0;transition:opacity .12s}
tr:hover td.row-actions .rm{opacity:1}
td.row-actions .rm:hover{background:var(--danger-soft);color:var(--danger)}
td.row-actions .rm svg{width:15px;height:15px;stroke:currentColor;stroke-width:1.9;fill:none;stroke-linecap:round}

tr.plan-row{transition:background .1s}
tr.plan-row:hover{background:#FCFBF8}
tr.plan-row.dragging{opacity:.55;background:var(--amber-soft);outline:1px dashed var(--amber)}
.add-row-bar{padding:10px 12px;border-top:1px solid var(--line);background:#FBFAF7}
.add-row-bar .btn{width:100%;justify-content:center;border-style:dashed}
.total-line{margin-top:12px;font-family:var(--mono);font-size:12px;color:var(--ink-soft);
  display:flex;gap:16px;flex-wrap:wrap}
.total-line b{color:var(--ink)}

/* read-only Hinweis */
.ro-banner{background:var(--amber-soft);border:1px solid #E9CE97;color:#7A521A;
  padding:8px 14px;font-size:13px;border-radius:8px;margin:0 24px}

/* ---------- Empty ---------- */
.empty{max-width:520px;margin:8vh auto;text-align:center;padding:0 20px}
.empty .big{font-size:40px;margin-bottom:10px}
.empty h2{font-size:22px;letter-spacing:-.02em;margin:0 0 8px}
.empty p{color:var(--ink-soft);margin:0 0 22px}

/* ---------- Modal / menu / toast ---------- */
.backdrop{position:fixed;inset:0;background:rgba(34,38,43,.32);z-index:50;display:grid;place-items:center;padding:20px;backdrop-filter:blur(2px)}
.modal{background:var(--surface);border-radius:14px;box-shadow:var(--shadow);width:100%;max-width:460px;padding:24px;border:1px solid var(--line)}
.modal h3{margin:0 0 6px;font-size:18px;letter-spacing:-.01em}
.modal p.sub{margin:0 0 16px;color:var(--ink-soft);font-size:14px}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}
.share-link{display:flex;gap:8px;margin:6px 0 4px}
.share-link input{font-family:var(--mono);font-size:12.5px}
.role-toggle{display:flex;gap:4px;background:#F1EFE8;padding:3px;border-radius:9px;margin:14px 0 4px}
.role-toggle button{flex:1;border:none;background:transparent;padding:7px;border-radius:6px;font-size:12.5px;font-weight:600;color:var(--ink-soft)}
.role-toggle button.on{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.06)}
.collab-list{list-style:none;margin:12px 0 0;padding:0;max-height:180px;overflow:auto}
.collab-list li{display:flex;align-items:center;gap:10px;padding:8px 0;border-top:1px solid var(--line)}
.collab-list .av{width:28px;height:28px;border-radius:50%;background:var(--accent-soft);color:var(--accent-deep);display:grid;place-items:center;font-weight:700;font-size:12px;flex:none}
.collab-list .who{flex:1;min-width:0}
.collab-list .who b{display:block;font-size:13.5px}
.collab-list .who span{font-size:12px;color:var(--ink-faint)}
.collab-list .rrm{border:none;background:none;color:var(--ink-faint);padding:5px;border-radius:6px;display:grid;place-items:center}
.collab-list .rrm:hover{color:var(--danger);background:var(--danger-soft)}
.collab-list .rrm svg{width:15px;height:15px;stroke:currentColor;stroke-width:1.9;fill:none;stroke-linecap:round}
.empty-note{color:var(--ink-faint);font-size:13px;padding:10px 0}

.menu{position:absolute;z-index:40;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:6px;min-width:180px}
.menu button{display:flex;align-items:center;gap:9px;width:100%;text-align:left;border:none;background:none;padding:8px 10px;border-radius:7px;font-size:13.5px;color:var(--ink)}
.menu button:hover{background:#F2F0E9}
.menu button.danger{color:var(--danger)}
.menu button.danger:hover{background:var(--danger-soft)}
.menu svg{width:15px;height:15px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.menu hr{border:none;border-top:1px solid var(--line);margin:5px 2px}

.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;font-size:13.5px;
  box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s;z-index:60;max-width:88vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{background:var(--danger)}

.menu-toggle{display:none}
@media (max-width:840px){
  .shell{flex-direction:column}
  .sidebar{width:100%;border-right:none;border-bottom:1px solid var(--line);max-height:min(48vh,360px);display:none}
  .sidebar.open{display:flex}
  .menu-toggle{display:inline-flex}
  .title-input{font-size:19px}
  .canvas{padding:14px}.main-head{padding:14px}
  .user-chip .un{display:none}
}

@media print{
  .topbar,.sidebar,.toolbar,.add-row-bar,td.handle-cell,th.col-handle,
  td.row-actions,th.col-actions,.col-tools,.ro-banner,.dur-line{display:none !important}
  body{background:#fff}
  .main-head{border:none;padding:0 0 12px}
  .title-input{font-size:24px}
  .canvas{padding:0;overflow:visible}
  .table-wrap{box-shadow:none;border:1px solid #999}
  .time-cell{background:#fff}
  @page{margin:16mm}
}