@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ============================================================
   Synapse theme — dark, Obsidian-inspired, neobrutalist edges.
   Drop-in replacement for the Project Tracker stylesheet:
   same class contract, restyled. No app.js changes needed.
   ============================================================ */
:root{
  --bg:#1a1a1c; --surface:#212124; --surface-2:#2b2b30;
  --border:rgba(255,255,255,.10); --border-strong:rgba(255,255,255,.26);
  --text:#e9e9ec; --muted:#9d9da6; --faint:#6c6c75;
  --shadow:rgba(0,0,0,.55);
  --primary:#e2654f; --primary-d:#c8543f; --on-accent:#14121a;
  --danger:#e2654f;
  --radius:12px;
  --todo:#94a3b8; --prog:#5ab9ef; --block:#e0a23c; --done:#54c08a;
  --hi:#e2654f; --med:#e0a23c; --lo:#9d9da6;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:'Space Grotesk',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--sans);
  background:var(--bg);color:var(--text);font-size:14px;line-height:1.45;
  -webkit-font-smoothing:antialiased}
::selection{background:var(--primary);color:var(--on-accent)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:999px}
::-webkit-scrollbar-track{background:transparent}
.hidden{display:none!important}
.muted{color:var(--muted)}
.small,.hint{font-size:12px;font-family:var(--mono)}
.hint{color:var(--faint);font-weight:400}
.req{color:var(--danger)}

/* ---------- buttons ---------- */
.btn{border:2px solid var(--border-strong);border-radius:9px;padding:7px 14px;font-size:13.5px;
  font-weight:600;cursor:pointer;background:var(--surface);color:var(--text);
  box-shadow:3px 3px 0 var(--shadow);font-family:var(--sans);
  transition:transform .12s ease, box-shadow .12s ease, background .12s ease, border-color .12s ease}
.btn:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--shadow)}
.btn:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--shadow)}
.btn-sm{padding:6px 11px;font-size:12.5px;box-shadow:2px 2px 0 var(--shadow)}
.btn-block{width:100%;margin-top:12px}
.btn-primary{background:var(--primary);color:var(--on-accent);border-color:var(--border-strong)}
.btn-primary:hover{background:var(--primary-d)}
.btn-ghost{background:transparent;border-color:var(--border);box-shadow:none}
.btn-ghost:hover{border-color:var(--border-strong);box-shadow:2px 2px 0 var(--shadow)}
.btn-danger{background:transparent;color:var(--danger);border-color:rgba(226,101,79,.5);box-shadow:none}
.btn-danger:hover{background:rgba(226,101,79,.12);box-shadow:2px 2px 0 var(--shadow)}

/* ---------- auth ---------- */
.auth-screen{min-height:100vh;display:grid;place-items:center;padding:20px;
  background:
    radial-gradient(var(--grid,rgba(255,255,255,.05)) 1.5px, transparent 1.5px) 0 0/26px 26px,
    var(--bg)}
.auth-card{background:var(--surface);border:2px solid var(--border-strong);border-radius:16px;
  box-shadow:6px 6px 0 var(--shadow);padding:34px 30px;max-width:380px;width:100%;text-align:center}
.auth-logo{width:56px;height:56px;border-radius:14px;margin:0 auto;background:var(--primary);
  border:2px solid var(--border-strong);box-shadow:4px 4px 0 var(--shadow);
  display:flex;align-items:center;justify-content:center}
.auth-logo::after{content:"";width:20px;height:20px;background:var(--on-accent);transform:rotate(45deg)}
.auth-card h1{margin:8px 0 6px;font-size:22px;font-weight:700;letter-spacing:-.02em}
.auth-card input{width:100%;padding:11px 12px;border:2px solid var(--border);background:var(--bg);
  color:var(--text);border-radius:8px;font-size:15px;margin-top:16px;font-family:var(--mono)}
.auth-card input:focus{outline:none;border-color:var(--primary)}
.auth-msg{margin-top:14px;font-size:13px;min-height:18px;font-family:var(--mono)}
.auth-msg.ok{color:var(--done)}
.auth-msg.err{color:var(--danger)}

/* ---------- topbar ---------- */
.app{min-height:100vh}
.topbar{display:flex;justify-content:space-between;align-items:center;
  background:var(--surface);border-bottom:1px solid var(--border);padding:11px 20px}
.brand{font-weight:700;font-size:16px;letter-spacing:-.01em;display:flex;align-items:center;gap:9px}
.brand-mark{width:24px;height:24px;border-radius:7px;background:var(--primary);
  border:2px solid var(--border-strong);box-shadow:2px 2px 0 var(--shadow);flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center}
.brand-mark::after{content:"";width:8px;height:8px;background:var(--on-accent);transform:rotate(45deg)}
.topbar-actions{display:flex;align-items:center;gap:12px}
#user-email{font-family:var(--mono);font-size:12px;color:var(--muted)}

/* ---------- toolbar ---------- */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:16px 20px;flex-wrap:wrap}
.toolbar-left{display:flex;gap:3px;background:var(--surface);padding:3px;border-radius:10px;
  border:2px solid var(--border-strong);box-shadow:3px 3px 0 var(--shadow)}
.view-tab{border:none;background:transparent;padding:7px 16px;border-radius:7px;
  font-weight:600;cursor:pointer;color:var(--muted);font-family:var(--sans);font-size:13px;
  transition:background .12s ease, color .12s ease}
.view-tab.active{background:var(--primary);color:var(--on-accent)}
.toolbar-right{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.search,.filter{padding:8px 11px;border:1.5px solid var(--border);border-radius:8px;
  font-size:12.5px;background:var(--bg);color:var(--text);font-family:var(--mono)}
.search{min-width:200px}
.search::placeholder{color:var(--faint)}
.search:focus,.filter:focus{outline:none;border-color:var(--border-strong)}
.filter option{background:var(--surface);color:var(--text)}

/* ---------- board ---------- */
.board{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:0 20px 32px;
  align-items:start}
.column{background:var(--bg);border:2px solid var(--border);border-radius:13px;padding:11px;min-height:140px;
  transition:border-color .12s ease}
.column.drag-over{border-color:var(--primary);border-style:dashed}
.col-head{display:flex;align-items:center;gap:8px;padding:3px 4px 11px;font-weight:600;font-size:13px}
.col-dot{width:9px;height:9px;border-radius:50%}
.col-count{margin-left:auto;color:var(--faint);font-weight:500;font-family:var(--mono);font-size:11px}

.card{background:var(--surface);border:1.5px solid var(--border);border-radius:10px;
  padding:11px 12px;margin-bottom:9px;cursor:grab;
  transition:transform .12s ease, box-shadow .12s ease, border-color .12s ease}
.card:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--shadow);border-color:var(--border-strong)}
.card:active{cursor:grabbing}
.card.overdue{border-left:3px solid var(--danger)}
.card-top{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.card-title{font-weight:500;font-size:13.5px;margin:0 0 6px;line-height:1.3}
.card-proj{display:inline-flex;align-items:center;gap:6px;font-size:10.5px;font-weight:500;
  font-family:var(--mono);color:var(--muted);margin-bottom:7px}
.card-proj .col-dot{width:7px;height:7px}
.chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:7px}
.chip{font-size:10.5px;padding:3px 8px;border-radius:6px;background:rgba(226,101,79,.14);
  color:#ef9c8c;font-weight:500;font-family:var(--mono)}
.chip.tag{background:var(--surface-2);color:var(--muted);border:1px solid var(--border)}
.card-meta{display:flex;align-items:center;gap:8px;margin-top:9px;font-size:11px;
  color:var(--muted);flex-wrap:wrap;font-family:var(--mono)}
.pill{font-size:9.5px;font-weight:600;padding:3px 8px;border-radius:6px;text-transform:uppercase;
  letter-spacing:.4px;font-family:var(--mono)}
.pri-high{background:rgba(226,101,79,.16);color:var(--hi)}
.pri-medium{background:rgba(224,162,60,.16);color:var(--med)}
.pri-low{background:rgba(157,157,166,.16);color:var(--lo)}
.due{display:inline-flex;align-items:center;gap:4px}
.due.late{color:var(--danger);font-weight:600}
.avatars{display:flex}
.avatar{width:22px;height:22px;border-radius:50%;background:var(--primary);color:var(--on-accent);
  font-size:9.5px;font-weight:700;display:grid;place-items:center;border:2px solid var(--surface);margin-left:-6px;
  font-family:var(--sans)}
.avatar:first-child{margin-left:0}

/* ---------- list view ---------- */
.list-view{padding:0 20px 32px}
table{width:100%;border-collapse:collapse;background:var(--surface);border:2px solid var(--border);
  border-radius:13px;overflow:hidden;box-shadow:4px 4px 0 var(--shadow)}
th,td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:top}
th{background:var(--bg);font-size:10px;text-transform:uppercase;letter-spacing:.5px;
  color:var(--faint);font-family:var(--mono);font-weight:500}
tr:last-child td{border-bottom:none}
tbody tr{transition:background .1s ease}
tr:hover td{background:var(--surface-2);cursor:pointer}
.status-tag{font-size:10.5px;font-weight:600;padding:3px 9px;border-radius:6px;white-space:nowrap;
  font-family:var(--mono)}
.s-todo{background:rgba(148,163,184,.16);color:#b9c2cf}
.s-in_progress{background:rgba(90,185,239,.16);color:var(--prog)}
.s-blocked{background:rgba(224,162,60,.16);color:var(--block)}
.s-done{background:rgba(84,192,138,.16);color:var(--done)}

/* ---------- modals ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(8,8,10,.6);display:grid;
  place-items:center;padding:18px;z-index:50}
.modal{background:var(--surface);border:2px solid var(--border-strong);border-radius:14px;width:100%;max-width:520px;
  max-height:92vh;overflow:auto;box-shadow:8px 8px 0 var(--shadow)}
.modal-head{display:flex;justify-content:space-between;align-items:center;
  padding:16px 20px;border-bottom:1px solid var(--border)}
.modal-head h2{margin:0;font-size:17px;font-weight:700;letter-spacing:-.01em}
.modal-close{border:none;background:transparent;font-size:24px;cursor:pointer;color:var(--muted);line-height:1}
.modal-close:hover{color:var(--text)}
.modal-body{padding:18px 20px}
.modal-body label{display:block;font-weight:600;font-size:12.5px;margin-bottom:14px}
.modal-body input,.modal-body textarea,.modal-body select{width:100%;padding:9px 11px;
  border:1.5px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;
  font-size:14px;margin-top:6px;font-family:var(--sans)}
.modal-body textarea{font-family:var(--sans)}
.modal-body input:focus,.modal-body textarea:focus,.modal-body select:focus{outline:none;border-color:var(--primary)}
.modal-body select option{background:var(--surface)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.modal-foot{display:flex;align-items:center;gap:8px;margin-top:8px}
.modal-foot .spacer{flex:1}

.project-list{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.project-row{display:flex;align-items:center;gap:10px;padding:9px 11px;border:1.5px solid var(--border);
  border-radius:9px;background:var(--bg)}
.project-row .col-dot{width:12px;height:12px}
.project-row .pname{font-weight:600;flex:1}
.project-add{display:flex;gap:8px;align-items:center;border-top:1px solid var(--border);padding-top:15px}
.project-add input[type=text]{flex:1;padding:9px 11px;border:1.5px solid var(--border);
  background:var(--bg);color:var(--text);border-radius:8px;font-family:var(--sans)}
.project-add input[type=color]{width:42px;height:38px;padding:2px;border:1.5px solid var(--border);
  background:var(--bg);border-radius:8px;cursor:pointer}

.empty{text-align:center;color:var(--faint);padding:40px 10px;font-size:13px;font-family:var(--mono)}

/* ---------- toast ---------- */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  background:var(--surface);color:var(--text);border:2px solid var(--border-strong);
  padding:11px 18px;border-radius:9px;font-size:13px;font-family:var(--mono);
  box-shadow:5px 5px 0 var(--shadow);z-index:100}

/* ---------- graph view ---------- */
.graph-view{padding:22px}
.graph-canvas{position:relative;width:100%;max-width:1160px;margin:0 auto;aspect-ratio:1160 / 640;
  border:2px solid var(--border-strong);border-radius:14px;box-shadow:6px 6px 0 var(--shadow);
  overflow:hidden;background-color:var(--surface);user-select:none;
  background-image:radial-gradient(rgba(255,255,255,.05) 1.5px,transparent 1.5px);background-size:26px 26px}
.graph-edges{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.graph-nodes{position:absolute;inset:0}
.gnode{position:absolute;transform:translate(-50%,-50%);cursor:grab;z-index:5}
.gnode.sel{z-index:12}
.gnode:active{cursor:grabbing}
.gnode-card{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg);
  border:2px solid var(--border-strong);border-radius:10px;box-shadow:3px 3px 0 var(--shadow);
  white-space:nowrap;transition:opacity .15s ease, border-color .12s ease, box-shadow .12s ease}
.gnode.sel .gnode-card{border-color:var(--primary);box-shadow:0 0 0 3px rgba(226,101,79,.32),3px 3px 0 var(--shadow)}
.gnode.dim{opacity:.26}
.gnode .gdot{width:9px;height:9px;border-radius:50%;flex:0 0 auto}
.gnode .gname{font-size:12.5px;font-weight:600}
.gnode .gcount{font-family:var(--mono);font-size:10px;color:var(--faint);margin-left:1px}
.gnode .gflag.block{font-family:var(--mono);font-size:9.5px;font-weight:700;color:var(--on-accent);
  background:var(--block);border-radius:5px;padding:1px 5px;margin-left:2px}
.graph-head{position:absolute;top:16px;left:16px;right:16px;display:flex;justify-content:space-between;
  gap:12px;align-items:flex-start;pointer-events:none;z-index:18}
.graph-title{font-size:15px;font-weight:700;letter-spacing:-.01em}
.graph-sub{display:block;font-family:var(--mono);font-size:10.5px;color:var(--faint);margin-top:3px;font-weight:400}
.graph-filters{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;pointer-events:auto}
.gfilter,.gbtn{display:flex;align-items:center;gap:7px;padding:6px 11px;border:1.5px solid var(--border);
  border-radius:8px;background:transparent;color:var(--faint);font-family:var(--mono);font-size:10.5px;
  font-weight:500;cursor:pointer;opacity:.55;transition:.12s}
.gfilter.on{border-color:var(--border-strong);background:var(--bg);color:var(--text);opacity:1}
.gbtn{border-color:var(--border-strong);background:var(--bg);color:var(--text);opacity:1}
.gbtn:hover{box-shadow:2px 2px 0 var(--shadow)}
.gfilter .ln{width:14px;height:0;border-top:2px solid var(--primary)}
.gfilter .ln.dash{border-top-style:dashed;border-top-color:#34b3c7}
.graph-empty{position:absolute;inset:0;display:grid;place-items:center;color:var(--faint);
  font-family:var(--mono);font-size:13px}
.graph-panel{position:absolute;top:16px;right:16px;width:300px;background:var(--bg);
  border:2px solid var(--border-strong);border-radius:13px;box-shadow:6px 6px 0 var(--shadow);
  padding:16px;z-index:30;max-height:calc(100% - 32px);overflow:auto}
.gpanel-head{display:flex;align-items:center;gap:9px}
.gpanel-head .gdot{width:10px;height:10px;border-radius:50%;flex:0 0 auto}
.gpanel-name{flex:1;font-size:16px;font-weight:700;letter-spacing:-.01em}
.gpanel-x{border:1.5px solid var(--border);background:var(--surface);color:var(--muted);width:26px;
  height:26px;border-radius:7px;cursor:pointer;font-size:16px;line-height:1}
.gpanel-x:hover{color:var(--text)}
.gpanel-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:14px 0}
.gpanel-stats>div{text-align:center;background:var(--surface);border:1.5px solid var(--border);
  border-radius:8px;padding:8px 4px}
.gpanel-stats b{display:block;font-size:18px;font-weight:700}
.gpanel-stats b.warn{color:var(--block)}
.gpanel-stats span{font-family:var(--mono);font-size:9px;letter-spacing:.04em;color:var(--faint);text-transform:uppercase}
.gpanel-sec{margin-top:13px}
.gpanel-label{font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--faint);margin-bottom:8px}
.gchips{display:flex;flex-wrap:wrap;gap:6px}
.gchip{font-family:var(--mono);font-size:10.5px;padding:3px 8px;border-radius:6px;border:1.5px solid var(--border)}
.gchip.p{background:rgba(226,101,79,.12);color:#ef9c8c;border-color:transparent}
.gchip.t{background:rgba(52,179,199,.14);color:#5fcad9;border-color:transparent}
.gconn{display:flex;align-items:center;gap:8px;width:100%;padding:8px 10px;margin-bottom:7px;
  border:1.5px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);
  cursor:pointer;text-align:left;transition:border-color .12s ease}
.gconn:hover{border-color:var(--border-strong)}
.gconn .gdot{width:8px;height:8px;border-radius:50%;flex:0 0 auto}
.gconn-name{flex:1;font-size:12.5px}
.gconn-meta{font-family:var(--mono);font-size:10px;color:var(--faint)}
.gpanel-none{font-size:12.5px;color:var(--faint)}
.gpanel-open{margin-top:15px;width:100%;padding:10px;border:2px solid var(--border-strong);
  border-radius:9px;background:var(--primary);color:var(--on-accent);font-family:var(--sans);
  font-size:13px;font-weight:600;cursor:pointer;box-shadow:3px 3px 0 var(--shadow)}
.gpanel-open:hover{background:var(--primary-d)}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .board{grid-template-columns:1fr 1fr}
  .row{grid-template-columns:1fr}
}
@media(max-width:560px){
  .board{grid-template-columns:1fr}
  .toolbar{flex-direction:column;align-items:stretch}
  .toolbar-right{justify-content:space-between}
}