/* ══ Tokens ═════════════════════════════════════════════════════════════════ */
:root {
  --bg-app:     #0b0f1a;
  --bg-sidebar: #0f1424;
  --bg-main:    #111827;
  --bg-card:    #1a2236;
  --bg-card-h:  #1e2945;
  --bg-topbar:  #0d1220;
  --bg-input:   #151c2e;
  --bg-panel:   #141c2f;

  --border:     #1f2d45;
  --border-l:   #263350;

  --t1: #e8edf8;  --t2: #8b97b0;  --t3: #4a5568;

  --accent:    #4f8ef7;
  --accent-h:  #6fa3ff;

  --p-high:    #ef4444;
  --p-med:     #f97316;
  --p-low:     #6b7280;

  --bi-c: #22c55e;   --bi-bg: rgba(34,197,94,0.12);
  --it-c: #f97316;   --it-bg: rgba(249,115,22,0.12);
  --erp-c: #ec4899;  --erp-bg: rgba(236,72,153,0.12);
  --all-c: #3b82f6;  --all-bg: rgba(59,130,246,0.12);

  --cat-project: #a78bfa;   --cat-project-bg: rgba(167,139,250,0.12);
  --cat-todo:    #34d399;   --cat-todo-bg:    rgba(52,211,153,0.12);
  --cat-inbox:   #94a3b8;   --cat-inbox-bg:   rgba(148,163,184,0.08);

  --r:  10px;  --rs: 6px;  --rl: 14px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:var(--bg-app);color:var(--t1);font-family:var(--font);font-size:14px;line-height:1.6}

/* ══ Layout ═════════════════════════════════════════════════════════════════ */
.app{display:grid;grid-template-columns:360px 1fr;height:100vh;overflow:hidden}

/* ══ Sidebar ════════════════════════════════════════════════════════════════ */
.sidebar{display:flex;flex-direction:column;background:var(--bg-sidebar);border-right:1px solid var(--border);height:100vh;overflow:hidden}
.sidebar-header{display:flex;align-items:center;gap:9px;padding:16px 18px;border-bottom:1px solid var(--border);flex-shrink:0}
.logo-icon{font-size:20px} .logo-text{font-size:15px;font-weight:700;color:var(--t1)}

.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:14px}
.chat-messages::-webkit-scrollbar{width:3px}
.chat-messages::-webkit-scrollbar-thumb{background:var(--border-l);border-radius:2px}

.message{display:flex;gap:9px;align-items:flex-start}
.message.user{flex-direction:row-reverse}
.avatar{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,#4f8ef7,#7c3aed);font-size:10px;font-weight:700;color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.message-bubble{padding:10px 13px;border-radius:var(--rl);font-size:13px;line-height:1.6;max-width:85%;white-space:pre-wrap;word-break:break-word}
.message.assistant .message-bubble{background:var(--bg-card);border:1px solid var(--border);border-top-left-radius:var(--rs);color:var(--t1)}
.message.user .message-bubble{background:var(--accent);color:#fff;border-bottom-right-radius:var(--rs)}
.message.loading .message-bubble{background:var(--bg-card);border:1px solid var(--border);padding:12px 16px}
.dots{display:flex;gap:5px;align-items:center}
.dots span{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 1.2s infinite ease-in-out}
.dots span:nth-child(2){animation-delay:.2s} .dots span:nth-child(3){animation-delay:.4s}
@keyframes pulse{0%,80%,100%{transform:scale(.6);opacity:.3}40%{transform:scale(1);opacity:1}}

.chat-input-area{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--border);background:var(--bg-topbar);flex-shrink:0}
.chat-input{flex:1;resize:none;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--r);color:var(--t1);font-family:var(--font);font-size:13px;padding:8px 11px;line-height:1.5;max-height:100px;overflow-y:auto;transition:border-color .15s}
.chat-input:focus{outline:none;border-color:var(--accent)}
.chat-input::placeholder{color:var(--t3)}
.send-btn{width:36px;height:36px;align-self:flex-end;background:var(--accent);border:none;border-radius:var(--r);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,transform .1s;flex-shrink:0}
.send-btn:hover{background:var(--accent-h)} .send-btn:active{transform:scale(.93)} .send-btn:disabled{background:var(--t3);cursor:not-allowed}

/* ══ Main ═══════════════════════════════════════════════════════════════════ */
.main{display:flex;flex-direction:column;background:var(--bg-main);overflow:hidden;height:100vh}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--bg-topbar);border-bottom:1px solid var(--border);flex-shrink:0}
.topbar-left{display:flex;align-items:baseline;gap:12px}
.topbar-title{font-size:16px;font-weight:700;letter-spacing:-.01em}
.topbar-date{font-size:12px;color:var(--t3)}
.it-badge{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--t2);background:var(--bg-card);border:1px solid var(--border);padding:5px 12px;border-radius:20px}
.it-dot{width:7px;height:7px;border-radius:50%;background:var(--t3)}
.coming-soon-label{font-size:10px;background:rgba(255,255,255,.06);padding:1px 6px;border-radius:4px;color:var(--t3)}
.logout-btn{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--t2);background:var(--bg-card);border:1px solid var(--border);padding:5px 12px;border-radius:20px;text-decoration:none;transition:color .15s,border-color .15s}
.logout-btn:hover{color:var(--p-high);border-color:rgba(239,68,68,.4)}

/* ══ KPI Row ════════════════════════════════════════════════════════════════ */
.kpi-row{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;padding:14px 24px;flex-shrink:0;border-bottom:1px solid var(--border)}
.kpi-card{display:flex;align-items:center;gap:10px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);padding:12px 14px;transition:border-color .2s}
.kpi-card:hover{border-color:var(--border-l)}
.kpi-card--alert{border-left:3px solid var(--p-high)}
.kpi-card--overdue{border-left:3px solid var(--p-med)}
.kpi-card--projects{border-left:3px solid var(--cat-project)}
.kpi-icon{font-size:20px;flex-shrink:0}
.kpi-value{font-size:22px;font-weight:700;line-height:1;color:var(--t1);font-variant-numeric:tabular-nums}
.kpi-label{font-size:11px;color:var(--t2);margin-top:2px}

/* ══ Tabs ═══════════════════════════════════════════════════════════════════ */
.bereich-tabs{display:flex;align-items:center;gap:4px;padding:0 24px;border-bottom:1px solid var(--border);flex-shrink:0;background:var(--bg-topbar);overflow-x:auto}
.bereich-tabs::-webkit-scrollbar{height:2px}
.bereich-tab{display:flex;align-items:center;gap:6px;padding:10px 14px;font-size:13px;font-weight:500;color:var(--t2);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;white-space:nowrap;transition:color .15s,border-color .15s;flex-shrink:0}
.bereich-tab:hover{color:var(--t1)} .bereich-tab.active{color:var(--t1);border-bottom-color:var(--accent)}
.tab-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.tab-dot--all{background:var(--t2)} .tab-dot--bi{background:var(--bi-c)} .tab-dot--it{background:var(--it-c)} .tab-dot--erp{background:var(--erp-c)} .tab-dot--allgemein{background:var(--all-c)}
.tab-count{font-size:10px;font-weight:600;background:var(--bg-card);color:var(--t3);padding:1px 6px;border-radius:10px;border:1px solid var(--border)}
.tab-spacer{flex:1}
.priority-filters{display:flex;gap:4px;padding:6px 0}
.prio-btn{font-size:11px;font-weight:500;padding:3px 9px;border-radius:12px;border:1px solid var(--border);background:transparent;color:var(--t2);cursor:pointer;transition:all .15s;white-space:nowrap}
.prio-btn:hover{border-color:var(--accent);color:var(--accent)} .prio-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}

/* ══ Board ══════════════════════════════════════════════════════════════════ */
.board-wrap{flex:1;overflow:hidden;display:flex}
.task-board{flex:1;overflow-y:auto;padding:20px 24px;transition:flex .3s}
.task-board::-webkit-scrollbar{width:4px}
.task-board::-webkit-scrollbar-thumb{background:var(--border-l);border-radius:2px}

/* Board sections */
.board-section{margin-bottom:28px}
.board-section-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.section-icon{font-size:16px}
.section-title{font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase}
.section-line{flex:1;height:1px;background:var(--border)}
.section-count{font-size:10px;color:var(--t3);font-weight:600;background:var(--bg-card);border:1px solid var(--border);padding:1px 7px;border-radius:10px}

/* Section colors */
.board-section--project .section-title{color:var(--cat-project)}
.board-section--todo    .section-title{color:var(--cat-todo)}
.board-section--inbox   .section-title{color:var(--cat-inbox)}

/* Board grid */
.board-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:10px}

/* ── Task Card ── */
.task-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);padding:13px 15px;cursor:pointer;transition:background .15s,border-color .15s,transform .12s,box-shadow .15s;position:relative;overflow:hidden}
.task-card:hover{background:var(--bg-card-h);border-color:var(--border-l);transform:translateY(-2px);box-shadow:0 4px 20px rgba(0,0,0,.3)}
.task-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;border-radius:var(--r) 0 0 var(--r)}
.task-card.p-High::before{background:var(--p-high)} .task-card.p-Medium::before{background:var(--p-med)} .task-card.p-Low::before{background:var(--p-low)}
.task-card.done{opacity:.5} .task-card.done .tc-title{text-decoration:line-through;color:var(--t3)}
.task-card.overdue{border-color:rgba(239,68,68,.35)}

/* project card special */
.board-section--project .task-card{border-top:1px solid rgba(167,139,250,.2)}

.tc-header{display:flex;align-items:flex-start;gap:8px;margin-bottom:9px}
.tc-bereich-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;margin-top:5px}
.bereich-bi .tc-bereich-dot{background:var(--bi-c)} .bereich-it .tc-bereich-dot{background:var(--it-c)}
.bereich-erp .tc-bereich-dot{background:var(--erp-c)} .bereich-all .tc-bereich-dot{background:var(--all-c)}
.tc-title{flex:1;font-size:13.5px;font-weight:500;color:var(--t1);line-height:1.4}
.tc-actions{display:flex;gap:3px;opacity:0;transition:opacity .15s}
.task-card:hover .tc-actions{opacity:1}
.tc-btn{width:22px;height:22px;border:none;border-radius:5px;font-size:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}
.tc-btn--done{background:rgba(34,197,94,.15);color:#22c55e} .tc-btn--del{background:rgba(239,68,68,.15);color:#ef4444}
.tc-btn--done:hover{background:rgba(34,197,94,.3)} .tc-btn--del:hover{background:rgba(239,68,68,.3)}

.tc-chips{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:4px}
.chip{font-size:10.5px;font-weight:500;padding:2px 7px;border-radius:4px;white-space:nowrap}
.chip--phase[data-phase="Inbox"]{background:rgba(74,85,104,.3);color:#9ca3af}
.chip--phase[data-phase="Not Started"]{background:rgba(59,130,246,.15);color:#60a5fa}
.chip--phase[data-phase="In Progress"]{background:rgba(245,158,11,.15);color:#fbbf24}
.chip--phase[data-phase="Done"]{background:rgba(34,197,94,.15);color:#4ade80}
.chip--deadline{background:rgba(255,255,255,.04);color:var(--t2)}
.task-card.overdue .chip--deadline{background:rgba(239,68,68,.15);color:var(--p-high);font-weight:600}
.chip--bereich.b-bi{background:var(--bi-bg);color:var(--bi-c)} .chip--bereich.b-it{background:var(--it-bg);color:var(--it-c)}
.chip--bereich.b-erp{background:var(--erp-bg);color:var(--erp-c)} .chip--bereich.b-all{background:var(--all-bg);color:var(--all-c)}
.chip--subtasks{background:rgba(255,255,255,.05);color:var(--t2)}

.tc-briefing-preview{font-size:11.5px;color:var(--t3);line-height:1.5;display:none;margin-top:4px}
.tc-briefing-preview.visible{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ══ Archive Section ════════════════════════════════════════════════════════ */
.board-section--archive{margin-top:8px;border-top:1px dashed var(--border);padding-top:20px}
.board-section--archive .section-title{color:var(--t3)}
.archive-toggle{cursor:pointer;user-select:none;border-radius:var(--rs);padding:4px 6px;margin:-4px -6px;transition:background .15s}
.archive-toggle:hover{background:rgba(255,255,255,.03)}
.archive-toggle:hover .section-title{color:var(--t2)}
.archive-chevron{font-size:10px;color:var(--t3);margin-left:4px;transition:color .15s}
.archive-toggle:hover .archive-chevron{color:var(--t2)}
.archive-grid .task-card{opacity:.55;filter:grayscale(.3)}
.archive-grid .task-card:hover{opacity:.85;filter:grayscale(0)}

/* ══ Empty State ════════════════════════════════════════════════════════════ */
.empty-state{text-align:center;padding:60px 20px;color:var(--t3)}
.empty-icon{font-size:40px;margin-bottom:12px}
.empty-state p{font-size:14px} .empty-sub{font-size:12px;margin-top:6px}

/* ══ Detail Panel ═══════════════════════════════════════════════════════════ */
.detail-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:100;opacity:0;pointer-events:none;transition:opacity .25s;backdrop-filter:blur(2px)}
.detail-backdrop.open{opacity:1;pointer-events:all}

.detail-panel{position:fixed;top:0;right:0;bottom:0;width:480px;max-width:95vw;background:var(--bg-panel);border-left:1px solid var(--border-l);z-index:101;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .25s cubic-bezier(.25,.1,.25,1);overflow:hidden}
.detail-panel.open{transform:translateX(0)}

/* Panel header */
.dp-header{padding:16px 20px 14px;border-bottom:1px solid var(--border);flex-shrink:0;background:var(--bg-topbar)}
.dp-close{width:28px;height:28px;border:none;background:rgba(255,255,255,.05);border-radius:7px;color:var(--t2);cursor:pointer;display:flex;align-items:center;justify-content:center;margin-bottom:10px;transition:background .15s,color .15s}
.dp-close:hover{background:rgba(255,255,255,.1);color:var(--t1)}
.dp-cat-badge{display:inline-flex;align-items:center;font-size:10px;font-weight:700;padding:2px 8px;border-radius:4px;letter-spacing:.05em;margin-bottom:6px}
.dp-cat-badge.cat-Project{background:var(--cat-project-bg);color:var(--cat-project)}
.dp-cat-badge.cat-ToDo{background:var(--cat-todo-bg);color:var(--cat-todo)}
.dp-cat-badge.cat-Inbox{background:var(--cat-inbox-bg);color:var(--cat-inbox)}
.dp-title-wrap{display:flex;align-items:flex-start;gap:10px}
.dp-bereich-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;margin-top:6px}
.dp-title{font-size:18px;font-weight:600;color:var(--t1);line-height:1.35;flex:1;outline:none;border:none;background:transparent;cursor:text;border-radius:var(--rs);padding:2px 4px;margin:-2px -4px;transition:background .15s}
.dp-title:hover{background:rgba(255,255,255,.04)}
.dp-title:focus{background:rgba(79,142,247,.08);box-shadow:0 0 0 2px rgba(79,142,247,.3)}

/* Meta fields */
.dp-meta{padding:14px 20px;border-bottom:1px solid var(--border);flex-shrink:0}
.dp-meta-row{display:flex;flex-wrap:wrap;gap:10px}
.dp-field{display:flex;flex-direction:column;gap:4px;min-width:100px}
.dp-field label{font-size:10px;font-weight:600;color:var(--t3);letter-spacing:.06em;text-transform:uppercase}

/* Custom select */
.dp-select{position:relative;display:flex;align-items:center;gap:5px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--rs);padding:5px 8px;cursor:pointer;transition:border-color .15s;min-width:110px;user-select:none}
.dp-select:hover{border-color:var(--border-l)}
.dp-select.open{border-color:var(--accent);z-index:10}
.dp-select-val{font-size:12px;font-weight:500;color:var(--t1);flex:1;white-space:nowrap}
.dp-chevron{width:12px;height:12px;flex-shrink:0;color:var(--t3);transition:transform .15s}
.dp-select.open .dp-chevron{transform:rotate(180deg)}
.dp-dropdown{position:absolute;top:calc(100% + 4px);left:0;min-width:100%;background:#1a2540;border:1px solid var(--border-l);border-radius:var(--rs);box-shadow:0 8px 24px rgba(0,0,0,.5);z-index:20;overflow:hidden;display:none}
.dp-select.open .dp-dropdown{display:block}
.dp-opt{padding:7px 10px;font-size:12px;color:var(--t2);cursor:pointer;transition:background .12s,color .12s;white-space:nowrap}
.dp-opt:hover{background:rgba(255,255,255,.06);color:var(--t1)}
.dp-opt.selected{color:var(--accent);background:rgba(79,142,247,.08)}

/* Date input */
.dp-date{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--rs);color:var(--t1);font-size:12px;padding:5px 8px;min-width:130px;transition:border-color .15s;cursor:pointer;font-family:var(--font)}
.dp-date:focus{outline:none;border-color:var(--accent)}
.dp-date::-webkit-calendar-picker-indicator{filter:invert(.6);cursor:pointer}

/* Panel body */
.dp-body{flex:1;overflow-y:auto;padding:0}
.dp-body::-webkit-scrollbar{width:3px}
.dp-body::-webkit-scrollbar-thumb{background:var(--border-l);border-radius:2px}

.dp-section{padding:16px 20px;border-bottom:1px solid var(--border)}
.dp-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.dp-section-title{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--t2)}
.dp-sub-progress{font-size:11px;color:var(--t3)}

.dp-briefing,.dp-notes{width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--r);color:var(--t1);font-family:var(--font);font-size:13px;padding:10px 12px;line-height:1.6;resize:vertical;min-height:80px;transition:border-color .15s}
.dp-briefing{min-height:110px}
.dp-briefing:focus,.dp-notes:focus{outline:none;border-color:var(--accent)}
.dp-briefing::placeholder,.dp-notes::placeholder{color:var(--t3)}

/* Subtasks */
.dp-subtask-list{display:flex;flex-direction:column;gap:4px;margin-bottom:10px}
.dp-subtask{display:flex;align-items:center;gap:9px;padding:7px 10px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--rs);transition:background .15s}
.dp-subtask:hover{background:var(--bg-card-h)}
.dp-subtask input[type=checkbox]{width:15px;height:15px;accent-color:var(--accent);cursor:pointer;flex-shrink:0}
.dp-subtask-title{flex:1;font-size:12.5px;color:var(--t1);background:transparent;border:none;outline:none;font-family:var(--font);cursor:text;padding:0}
.dp-subtask.checked .dp-subtask-title{text-decoration:line-through;color:var(--t3)}
.dp-subtask-del{width:18px;height:18px;border:none;background:transparent;color:var(--t3);cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center;border-radius:4px;opacity:0;transition:opacity .15s,background .15s}
.dp-subtask:hover .dp-subtask-del{opacity:1}
.dp-subtask-del:hover{background:rgba(239,68,68,.15);color:#ef4444}

.dp-subtask-add{display:flex;gap:8px}
.dp-subtask-input{flex:1;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--rs);color:var(--t1);font-family:var(--font);font-size:12.5px;padding:7px 10px;transition:border-color .15s}
.dp-subtask-input:focus{outline:none;border-color:var(--accent)}
.dp-subtask-input::placeholder{color:var(--t3)}
.dp-subtask-btn{padding:7px 13px;background:rgba(79,142,247,.15);border:1px solid rgba(79,142,247,.3);border-radius:var(--rs);color:var(--accent);font-size:12px;font-weight:500;cursor:pointer;white-space:nowrap;transition:background .15s}
.dp-subtask-btn:hover{background:rgba(79,142,247,.25)}

/* ══ Scrollbar ══════════════════════════════════════════════════════════════ */
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-l);border-radius:2px}

/* ══ Responsive ═════════════════════════════════════════════════════════════ */
@media(max-width:900px){
  .app{grid-template-columns:1fr;grid-template-rows:45vh 1fr}
  .sidebar{height:45vh;border-right:none;border-bottom:1px solid var(--border)}
  .main{height:auto;overflow-y:auto}
  .kpi-row{grid-template-columns:repeat(3,1fr)}
  .detail-panel{width:100vw}
}