*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#07111f;
  --surface:#0d1b2e;
  --surface2:#112240;
  --border:rgba(255,255,255,.08);
  --text:#e2e8f0;
  --muted:rgba(255,255,255,.4);
  --accent:#7c3aed;
  --accent2:#a78bfa;
  --green:#16a34a;
  --yellow:#ca8a04;
  --red:#dc2626;
  --blue:#1d4ed8;
  --radius:10px;
}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}

/* ── Top Nav ── */
.topnav{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.topnav-left{display:flex;align-items:baseline;gap:10px}
.logo{font-family:'JetBrains Mono',monospace;font-size:1.1rem;font-weight:700;color:#fff;letter-spacing:.04em}
.logo em{color:var(--accent2);font-style:normal}
.logo-sub{font-size:.65rem;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.topnav-stats{display:flex;gap:16px;font-size:.78rem;font-family:'JetBrains Mono',monospace}
.stat-pill{display:flex;align-items:center;gap:5px;color:var(--muted)}
.stat-pill strong{color:var(--text)}
.topnav-right{display:flex;gap:8px}
.btn-icon{background:rgba(255,255,255,.06);border:1px solid var(--border);color:var(--text);padding:6px 14px;border-radius:7px;font-size:.82rem;cursor:pointer;font-family:'Inter',sans-serif;transition:.15s}
.btn-icon:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2)}

/* ── Layout ── */
.layout{display:flex;height:calc(100vh - 56px)}

/* ── Sidebar ── */
.sidebar{width:240px;min-width:240px;background:var(--surface);border-right:1px solid var(--border);overflow-y:auto;flex-shrink:0}
.sidebar-head{font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:14px 16px 8px;font-family:'JetBrains Mono',monospace}
.subject-item{display:flex;align-items:center;gap:10px;padding:10px 16px;cursor:pointer;border-left:3px solid transparent;transition:.15s;position:relative}
.subject-item:hover{background:rgba(255,255,255,.04)}
.subject-item.active{background:rgba(124,58,237,.12);border-left-color:var(--accent)}
.subject-icon{font-size:1.2rem;width:28px;text-align:center}
.subject-info{flex:1;min-width:0}
.subject-name{font-size:.85rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.subject-meta{font-size:.7rem;color:var(--muted);margin-top:1px}
.subject-actions{display:none;gap:4px;position:absolute;right:8px}
.subject-item:hover .subject-actions{display:flex}
.btn-xs{background:none;border:none;color:var(--muted);cursor:pointer;font-size:.75rem;padding:2px 4px;border-radius:4px}
.btn-xs:hover{color:var(--text);background:rgba(255,255,255,.1)}

/* ── Main ── */
.main{flex:1;overflow-y:auto;padding:0}
.main-toolbar{padding:20px 24px 0;position:sticky;top:0;background:var(--bg);z-index:10;border-bottom:1px solid var(--border);padding-bottom:14px}
.subject-header{margin-bottom:12px}
.subject-header h2{font-size:1.1rem;font-weight:600}
.subject-header p{font-size:.8rem;color:var(--muted);margin-top:3px}
.filter-bar{display:flex;gap:10px;align-items:center}
.filter-bar select{background:var(--surface2);border:1px solid var(--border);color:var(--text);padding:7px 12px;border-radius:7px;font-size:.82rem;font-family:'Inter',sans-serif;cursor:pointer}
.filter-bar select:focus{outline:none;border-color:var(--accent)}
.btn-add{margin-left:auto;background:var(--accent);color:#fff;border:none;padding:7px 16px;border-radius:7px;font-size:.82rem;font-weight:600;cursor:pointer;font-family:'Inter',sans-serif;transition:.15s}
.btn-add:hover{background:#6d28d9}

/* ── Resource Grid ── */
.resource-grid{padding:20px 24px;display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}
.resource-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;transition:.15s;position:relative;display:flex;flex-direction:column;gap:8px}
.resource-card:hover{border-color:rgba(255,255,255,.18);transform:translateY(-1px)}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.card-name{font-size:.9rem;font-weight:600;line-height:1.3}
.card-badges{display:flex;gap:5px;flex-shrink:0}
.badge{font-size:.62rem;padding:3px 7px;border-radius:20px;font-family:'JetBrains Mono',monospace;font-weight:600;letter-spacing:.03em;white-space:nowrap}
.badge-not_started{background:rgba(255,255,255,.08);color:var(--muted)}
.badge-in_progress{background:rgba(202,138,4,.15);color:#fcd34d}
.badge-done{background:rgba(22,163,74,.15);color:#4ade80}
.badge-p1{background:rgba(220,38,38,.15);color:#f87171}
.badge-p2{background:rgba(202,138,4,.1);color:#fbbf24}
.badge-p3{background:rgba(22,163,74,.1);color:#86efac}
.card-cat{font-size:.68rem;color:var(--accent2);font-family:'JetBrains Mono',monospace;letter-spacing:.05em}
.card-desc{font-size:.8rem;color:rgba(255,255,255,.55);line-height:1.5}
.card-url{display:inline-flex;align-items:center;gap:5px;font-size:.75rem;color:var(--accent2);text-decoration:none;word-break:break-all}
.card-url:hover{color:#fff}
.card-notes{font-size:.78rem;color:var(--muted);font-style:italic;border-top:1px solid var(--border);padding-top:8px;margin-top:2px}
.card-actions{display:flex;gap:6px;margin-top:4px}
.card-status-btn{flex:1;padding:5px;border:1px solid var(--border);border-radius:6px;background:none;color:var(--muted);font-size:.7rem;cursor:pointer;transition:.15s;font-family:'Inter',sans-serif}
.card-status-btn:hover{background:rgba(255,255,255,.06);color:var(--text)}
.card-status-btn.active-not_started{border-color:rgba(255,255,255,.2);color:var(--text)}
.card-status-btn.active-in_progress{border-color:#fcd34d;color:#fcd34d;background:rgba(202,138,4,.1)}
.card-status-btn.active-done{border-color:#4ade80;color:#4ade80;background:rgba(22,163,74,.1)}
.card-edit{background:none;border:1px solid var(--border);color:var(--muted);padding:5px 10px;border-radius:6px;font-size:.7rem;cursor:pointer;transition:.15s}
.card-edit:hover{color:var(--text);border-color:rgba(255,255,255,.3)}
.card-delete{background:none;border:none;color:var(--muted);cursor:pointer;font-size:.75rem;padding:4px 6px;border-radius:4px;transition:.15s}
.card-delete:hover{color:#f87171}

/* ── Category group heading ── */
.cat-heading{grid-column:1/-1;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-family:'JetBrains Mono',monospace;padding:8px 0 2px;border-bottom:1px solid var(--border)}

/* ── Empty State ── */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:calc(100vh - 200px);gap:10px;color:var(--muted)}
.empty-icon{font-size:3rem}
.empty-title{font-size:1rem;font-weight:500;color:rgba(255,255,255,.3)}
.empty-sub{font-size:.8rem}

/* ── Modals ── */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:200;align-items:center;justify-content:center}
.modal-overlay.open{display:flex}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:28px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto}
.modal-sm{max-width:380px}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.modal-head span{font-size:1rem;font-weight:600}
.modal-close{background:none;border:none;color:var(--muted);font-size:1rem;cursor:pointer;padding:4px 8px;border-radius:4px}
.modal-close:hover{color:var(--text);background:rgba(255,255,255,.08)}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px;font-family:'JetBrains Mono',monospace}
.form-row input[type=text],.form-row input[type=url],.form-row textarea,.form-row select,.form-row input[type=color]{width:100%;background:rgba(255,255,255,.06);border:1.5px solid var(--border);border-radius:8px;color:var(--text);padding:10px 12px;font-size:.88rem;font-family:'Inter',sans-serif;resize:vertical}
.form-row input[type=color]{padding:4px 8px;height:38px;cursor:pointer}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(124,58,237,.15)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.status-picker{display:flex;gap:8px}
.status-btn{flex:1;padding:8px;border:1.5px solid var(--border);border-radius:8px;background:none;color:var(--muted);font-size:.8rem;cursor:pointer;transition:.15s;font-family:'Inter',sans-serif}
.status-btn:hover{border-color:rgba(255,255,255,.3);color:var(--text)}
.status-btn.active{border-color:var(--accent);color:var(--accent2);background:rgba(124,58,237,.1)}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}
.btn-primary{background:var(--accent);color:#fff;border:none;padding:10px 22px;border-radius:8px;font-size:.88rem;font-weight:600;cursor:pointer;font-family:'Inter',sans-serif;transition:.15s}
.btn-primary:hover{background:#6d28d9}
.btn-secondary{background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--border);padding:10px 22px;border-radius:8px;font-size:.88rem;cursor:pointer;font-family:'Inter',sans-serif;transition:.15s}
.btn-secondary:hover{background:rgba(255,255,255,.1)}

/* ── Chatbot Drawer ── */
.chat-drawer{position:fixed;right:-440px;top:0;width:420px;height:100vh;background:var(--surface);border-left:1px solid var(--border);z-index:300;display:flex;flex-direction:column;transition:right .25s ease}
.chat-drawer.open{right:0}
.chat-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:299}
.chat-overlay.open{display:block}
.chat-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border);font-size:.9rem;font-weight:600}
.chat-header button{background:none;border:none;color:var(--muted);font-size:1rem;cursor:pointer;padding:4px 8px;border-radius:4px}
.chat-header button:hover{color:var(--text);background:rgba(255,255,255,.08)}
.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}
.chat-msg{display:flex}
.chat-msg.bot{justify-content:flex-start}
.chat-msg.user{justify-content:flex-end}
.bubble{max-width:85%;padding:10px 14px;border-radius:12px;font-size:.84rem;line-height:1.55}
.chat-msg.bot .bubble{background:var(--surface2);border:1px solid var(--border);color:var(--text)}
.chat-msg.user .bubble{background:var(--accent);color:#fff}
.chat-input-row{display:flex;gap:8px;padding:14px 16px;border-top:1px solid var(--border)}
.chat-input-row input{flex:1;background:rgba(255,255,255,.06);border:1.5px solid var(--border);border-radius:8px;color:var(--text);padding:10px 14px;font-size:.88rem;font-family:'Inter',sans-serif}
.chat-input-row input:focus{outline:none;border-color:var(--accent)}
.chat-input-row button{background:var(--accent);color:#fff;border:none;padding:10px 16px;border-radius:8px;font-size:.84rem;font-weight:600;cursor:pointer;font-family:'Inter',sans-serif}
.chat-input-row button:hover{background:#6d28d9}
.typing{display:flex;gap:4px;padding:8px 12px;background:var(--surface2);border:1px solid var(--border);border-radius:12px;width:fit-content}
.typing span{width:6px;height:6px;background:var(--muted);border-radius:50%;animation:bounce .9s infinite}
.typing span:nth-child(2){animation-delay:.15s}
.typing span:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}

/* ── View Tabs ── */
.toolbar-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px}
.view-tabs{display:flex;gap:4px;flex-shrink:0}
.view-tab{background:rgba(255,255,255,.05);border:1px solid var(--border);color:var(--muted);padding:6px 14px;border-radius:7px;font-size:.8rem;cursor:pointer;font-family:'Inter',sans-serif;transition:.15s}
.view-tab:hover{color:var(--text);background:rgba(255,255,255,.08)}
.view-tab.active{background:rgba(124,58,237,.15);border-color:var(--accent);color:var(--accent2)}

/* ── Wiki ── */
.wiki-view{display:flex;height:calc(100vh - 140px);overflow:hidden}
.wiki-sidebar{width:220px;min-width:220px;border-right:1px solid var(--border);overflow-y:auto;padding:12px 0}
.wiki-page-item{padding:8px 14px;cursor:pointer;font-size:.83rem;color:var(--muted);border-left:3px solid transparent;transition:.15s;display:flex;align-items:center;justify-content:space-between;gap:6px}
.wiki-page-item:hover{background:rgba(255,255,255,.04);color:var(--text)}
.wiki-page-item.active{background:rgba(124,58,237,.1);border-left-color:var(--accent);color:var(--text)}
.wiki-page-actions{display:none;gap:3px}
.wiki-page-item:hover .wiki-page-actions{display:flex}
.wiki-content{flex:1;overflow-y:auto;padding:28px 36px}
.wiki-empty{color:var(--muted);font-size:.9rem;padding:40px;text-align:center}
.wiki-render{font-size:.92rem;line-height:1.75;color:var(--text)}
.wiki-render h1{font-size:1.5rem;font-weight:700;margin:0 0 16px;color:#fff;border-bottom:1px solid var(--border);padding-bottom:10px}
.wiki-render h2{font-size:1.15rem;font-weight:600;margin:24px 0 10px;color:#fff}
.wiki-render h3{font-size:1rem;font-weight:600;margin:18px 0 8px;color:var(--accent2)}
.wiki-render p{margin:0 0 12px;color:rgba(255,255,255,.75)}
.wiki-render a{color:var(--accent2);text-decoration:none}
.wiki-render a:hover{text-decoration:underline}
.wiki-render code{background:rgba(255,255,255,.08);padding:2px 6px;border-radius:4px;font-family:'JetBrains Mono',monospace;font-size:.82rem;color:#e2e8f0}
.wiki-render pre{background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:8px;padding:14px;overflow-x:auto;margin:12px 0}
.wiki-render pre code{background:none;padding:0;font-size:.84rem}
.wiki-render ul,.wiki-render ol{margin:0 0 12px 20px;color:rgba(255,255,255,.75)}
.wiki-render li{margin-bottom:4px}
.wiki-render blockquote{border-left:3px solid var(--accent);margin:12px 0;padding:8px 16px;background:rgba(124,58,237,.08);color:rgba(255,255,255,.6);border-radius:0 6px 6px 0}
.wiki-render table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.85rem}
.wiki-render th{background:rgba(255,255,255,.08);padding:8px 12px;text-align:left;border:1px solid var(--border);color:var(--text);font-weight:600}
.wiki-render td{padding:7px 12px;border:1px solid var(--border);color:rgba(255,255,255,.7)}
.wiki-render tr:hover td{background:rgba(255,255,255,.03)}
.wiki-render hr{border:none;border-top:1px solid var(--border);margin:20px 0}
.wiki-page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.wiki-page-header-btns{display:flex;gap:8px}
.wiki-generating{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.85rem;padding:20px}
.modal-wide{max-width:720px}
.modal-wide textarea{font-family:'JetBrains Mono',monospace;font-size:.82rem;min-height:300px}

/* ── Progress Bar ── */
.progress-bar-wrap{height:3px;background:rgba(255,255,255,.08);border-radius:2px;margin-top:6px;overflow:hidden}
.progress-bar-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .4s ease}