:root{
  --bg:#0E1116; --panel:#161B22; --panel2:#1B222B; --line:#2A323C; --faint:#222A33;
  --ink:#E6EDF3; --muted:#7A8693; --chalk:#C9D1D9;
  --w:#3FB950; --l:#4CC9F0; --gf:#A371F7; --danger:#F25F5C;
  --mono:ui-monospace,"SF Mono","Cascadia Code",Menlo,Consolas,monospace;
  --disp:"Arial Narrow","Roboto Condensed","Helvetica Neue Condensed",system-ui,sans-serif;
  --body:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
/* Light theme: override the neutrals. Accents (--w/--l/--gf) stay the same so the
   legend and the bracket SVG (which can't read these variables) stay in sync. */
html[data-theme="light"]{
  --bg:#F6F8FA; --panel:#FFFFFF; --panel2:#EAEEF2; --line:#D0D7DE; --faint:#E4E8EC;
  --ink:#1F2328; --muted:#6E7781; --chalk:#424A53;
}
/* light-mode fixes for spots that hardcode dark-only colours */
html[data-theme="light"] .stepper button:hover{background:#E4E8EC}
html[data-theme="light"] .bracket .hit:hover{fill:rgba(0,0,0,.05)}
html[data-theme="light"] .side.won{color:var(--ink)}
html[data-theme="light"] .side.won .seedchip{color:var(--ink)}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);-webkit-font-smoothing:antialiased}
body{min-height:100vh}
a{color:var(--l)}
button{font-family:var(--body);cursor:pointer}
.wrap{display:grid;grid-template-columns:340px 1fr;min-height:100vh}
@media(max-width:880px){.wrap{grid-template-columns:1fr}}

/* ---------- Masthead / control rail ---------- */
.rail{background:var(--panel);border-right:1px solid var(--line);padding:0;position:sticky;top:0;align-self:start;height:100vh;overflow-y:auto}
@media(max-width:880px){.rail{position:static;height:auto;border-right:none;border-bottom:1px solid var(--line)}}
.brand{padding:22px 22px 18px;border-bottom:1px solid var(--line)}
.brand h1{font-family:var(--disp);font-weight:700;font-size:30px;letter-spacing:.04em;text-transform:uppercase;margin:0;line-height:.95}
.brand h1 .b{color:var(--w)} .brand h1 .w{color:var(--l)}
.brand p{margin:8px 0 0;color:var(--muted);font-size:12.5px;line-height:1.5}
.tick{display:inline-block;width:8px;height:8px;background:var(--w);transform:rotate(45deg);margin-right:7px;vertical-align:middle}

.field{padding:18px 22px;border-bottom:1px solid var(--line)}
.field:last-of-type{border-bottom:none}
.label{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;display:flex;justify-content:space-between;align-items:baseline}
.label .hint{text-transform:none;letter-spacing:0;font-size:11px;color:var(--muted)}
textarea{width:100%;min-height:190px;resize:vertical;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:11px 12px;font-family:var(--mono);font-size:13px;line-height:1.65}
textarea:focus,input:focus,select:focus{outline:2px solid var(--w);outline-offset:1px;border-color:transparent}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ctl label{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
input[type=number],input[type=date]{width:100%;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:9px 10px;font-family:var(--mono);font-size:13px}
.stepper{display:flex;align-items:stretch;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--bg)}
.stepper button{background:var(--panel2);color:var(--ink);border:none;width:38px;font-size:18px;line-height:1}
.stepper button:hover{background:#222c38}
.stepper input{border:none;border-radius:0;text-align:center;background:transparent}
.generate{width:100%;padding:14px;margin-top:2px;background:var(--w);color:#1a0b03;border:none;border-radius:9px;font-family:var(--disp);text-transform:uppercase;letter-spacing:.08em;font-weight:700;font-size:16px;transition:transform .08s,box-shadow .15s;box-shadow:0 0 0 0 rgba(63,185,80,.0)}
.generate:hover{box-shadow:0 6px 24px -6px rgba(63,185,80,.55)}
.generate:active{transform:translateY(1px)}
.err{color:var(--danger);font-size:12px;margin-top:10px;font-family:var(--mono);display:none}
.err.show{display:block}

/* saved-bracket manager */
.bracketSel{width:100%;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:9px 10px;font-family:var(--mono);font-size:13px}
.bracketSel:focus{outline:2px solid var(--w);outline-offset:1px;border-color:transparent}
.brackbtns{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.brackbtns .btn{width:100%;text-align:center;padding:9px 10px}
.saved-note{font-family:var(--mono);font-size:10.5px;color:var(--muted);margin-top:10px;display:flex;align-items:center;gap:6px}
.saved-note .dot{width:7px;height:7px;border-radius:50%;background:#3fb950;flex:none}
.saved-note .dot.dirty{background:var(--gf)} .saved-note .dot.err{background:var(--danger)}

/* server / sharing */
.token-row{display:flex;gap:8px}
.token-row input{flex:1;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-family:var(--mono);font-size:12px}
.sharebox{margin-top:12px;font-family:var(--mono);font-size:10.5px;color:var(--muted);line-height:1.6;word-break:break-all}
.sharebox a{color:var(--l)}

/* admin access: lock row + unlock gate */
.lockrow{display:flex;align-items:center;gap:8px}
.lockchip{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;padding:4px 9px;border-radius:999px;border:1px solid var(--line)}
.lockchip.locked{color:var(--danger);border-color:rgba(242,95,92,.4);background:rgba(242,95,92,.08)}
.lockchip.unlocked{color:#3fb950;border-color:rgba(63,185,80,.4);background:rgba(63,185,80,.08)}

.modal-overlay{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(7,10,14,.72);backdrop-filter:blur(3px)}
.modal-overlay[hidden]{display:none}
.modal{width:100%;max-width:360px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 20px 60px -20px rgba(0,0,0,.7)}
.modal-title{font-family:var(--disp);text-transform:uppercase;letter-spacing:.04em;font-size:22px;margin:0 0 6px}
.modal-sub{margin:0 0 16px;color:var(--muted);font-size:12.5px;line-height:1.5}
.pw-field{position:relative}
.pw-field input{width:100%;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:9px;padding:11px 64px 11px 12px;font-family:var(--mono);font-size:13px}
.pw-field input:focus{outline:2px solid var(--w);outline-offset:1px;border-color:transparent}
.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:var(--panel2);color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:5px 9px;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase}
.pw-toggle:hover{color:var(--ink);border-color:var(--muted)}
.remember{display:flex;align-items:center;gap:8px;margin:12px 0 0;font-family:var(--mono);font-size:11.5px;color:var(--muted);cursor:pointer}
.remember input{accent-color:var(--w);width:14px;height:14px}
.gate-err{display:none;margin-top:12px;color:var(--danger);font-family:var(--mono);font-size:11.5px;line-height:1.4}
.gate-err.show{display:block}
.gate-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px;align-items:center}
.gate-actions .gate-submit{width:auto;padding:11px 22px;margin-top:0}
.gate-submit:disabled{opacity:.6;cursor:default}

/* ---------- Stage ---------- */
.stage{display:flex;flex-direction:column;min-width:0}
.toolbar{display:flex;align-items:center;gap:6px;padding:12px 18px;border-bottom:1px solid var(--line);background:var(--panel);position:sticky;top:0;z-index:5;flex-wrap:wrap}
.tabs{display:flex;gap:2px;background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:3px}
.tab{padding:7px 16px;border:none;background:transparent;color:var(--muted);font-family:var(--disp);text-transform:uppercase;letter-spacing:.07em;font-size:13.5px;font-weight:700;border-radius:6px}
.tab.active{background:var(--panel2);color:var(--ink)}
.spacer{flex:1}
.legend{display:flex;gap:14px;align-items:center;font-family:var(--mono);font-size:11px;color:var(--muted)}
.legend .k{display:inline-flex;align-items:center;gap:6px}
.legend .sw{width:18px;height:0;border-top:3px solid;border-radius:2px}
.legend .sw.l{border-top-style:dashed}
.btn{padding:8px 12px;background:var(--panel2);color:var(--ink);border:1px solid var(--line);border-radius:8px;font-size:12px;font-family:var(--mono);letter-spacing:.03em}
.btn:hover{border-color:var(--muted)}
.scroll{flex:1;overflow:auto;padding:26px;background:
   radial-gradient(circle at 1px 1px, var(--faint) 1px, transparent 0) 0 0/26px 26px,
   var(--bg)}
.panes{min-width:0}
.pane{display:none} .pane.active{display:block}

/* bracket svg */
svg.bracket{display:block}
.empty{height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);text-align:center;gap:10px}
.empty .big{font-family:var(--disp);font-size:22px;text-transform:uppercase;letter-spacing:.06em;color:var(--chalk)}

/* schedule */
.sched{max-width:820px}
.daygroup{margin-bottom:22px}
.dayhdr{display:flex;align-items:baseline;gap:12px;margin:0 0 10px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.dayhdr .dnum{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.dayhdr .ddate{font-family:var(--disp);font-size:20px;text-transform:uppercase;letter-spacing:.04em}
.dayhdr .dcount{font-family:var(--mono);font-size:11px;color:var(--muted);margin-left:auto}
.game{padding:11px 14px;border:1px solid var(--line);border-radius:10px;background:var(--panel);margin-bottom:8px}
.game .code{font-family:var(--mono);font-size:11px;letter-spacing:.06em;padding:5px 0;text-align:center;border-radius:6px;font-weight:600}
.game .code.W{color:var(--w);background:rgba(63,185,80,.1)}
.game .code.L{color:var(--l);background:rgba(76,201,240,.1)}
.game .code.GF{color:var(--gf);background:rgba(163,113,247,.12)}
.game .matchup{display:flex;align-items:center;gap:10px;font-size:14px;flex-wrap:wrap}
.game .vs{font-family:var(--mono);color:var(--muted);font-size:11px}
.side{display:inline-flex;align-items:center;gap:7px}
.seedchip{font-family:var(--mono);font-size:10px;background:var(--panel2);border:1px solid var(--line);color:var(--chalk);border-radius:4px;padding:1px 5px;min-width:18px;text-align:center}
.ref{color:var(--muted);font-style:normal}
.cond{font-family:var(--mono);font-size:10px;color:var(--gf);border:1px solid rgba(163,113,247,.4);border-radius:5px;padding:2px 6px;margin-left:6px}

.summary{display:flex;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-bottom:22px;background:var(--panel);max-width:820px}
.summary .cell{flex:1;padding:14px 16px;border-right:1px solid var(--line)}
.summary .cell:last-child{border-right:none}
.summary .v{font-family:var(--disp);font-size:26px;line-height:1}
.summary .t{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:5px}

/* interactive results */
.bracket .hit{cursor:pointer}
.bracket .hit:hover{fill:rgba(255,255,255,.07)}
.champ{display:flex;align-items:center;gap:14px;margin:0 0 20px;padding:14px 18px;border:1px solid rgba(163,113,247,.45);background:rgba(163,113,247,.08);border-radius:12px;max-width:820px}
.champ .cup{font-size:24px;line-height:1}
.champ .lbl{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--gf)}
.champ .nm{font-family:var(--disp);font-size:24px;text-transform:uppercase;letter-spacing:.03em}
.champ .seed{font-family:var(--mono);font-size:12px;color:var(--muted)}
.hint-click{font-family:var(--mono);font-size:11.5px;color:var(--muted);margin:0 0 16px;letter-spacing:.02em}
.side.pick{cursor:pointer;border-radius:6px;padding:2px 6px;margin:-2px -6px;transition:background .1s}
.side.pick:hover{background:rgba(255,255,255,.07)}
.side.won{color:#fff;font-weight:600}
.side.won .seedchip{border-color:var(--w);color:#fff;background:rgba(63,185,80,.18)}
.side.lost{color:var(--muted);text-decoration:line-through;opacity:.8}

/* per-game date + venue controls */
.gtop{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:center}
.game .matchup{margin:0}
.ctrls{display:flex;gap:12px;align-items:center;margin-top:11px;padding-top:11px;border-top:1px dashed var(--line);flex-wrap:wrap}
.cf{display:flex;flex-direction:column;gap:5px;font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.cf input,.cf select{background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:7px;padding:7px 9px;font-family:var(--mono);font-size:12px}
.cf input:focus,.cf select:focus{outline:2px solid var(--w);outline-offset:1px;border-color:transparent}
.cf select:disabled{opacity:.5}
.scorewrap{display:inline-flex;align-items:center;gap:7px}
.scorewrap input{width:54px;text-align:center}
.scorewrap .dash{color:var(--muted);font-family:var(--mono)}
.mini{align-self:flex-end;padding:8px 11px;background:var(--panel2);color:var(--ink);border:1px solid var(--line);border-radius:7px;font-family:var(--mono);font-size:11px}
.mini:hover{border-color:var(--muted)}
.cbadge{align-self:flex-end;margin-bottom:2px;font-family:var(--mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--w);border:1px solid rgba(63,185,80,.4);border-radius:5px;padding:4px 7px}
.schederr{display:none;color:var(--danger);font-family:var(--mono);font-size:12px;line-height:1.5;margin-bottom:16px;padding:11px 13px;border:1px solid rgba(242,95,92,.4);background:rgba(242,95,92,.08);border-radius:9px;max-width:820px}
.schederr.show{display:block}
.schedwarn{display:none;color:var(--gf);font-family:var(--mono);font-size:12px;line-height:1.5;margin-bottom:16px;padding:11px 13px;border:1px solid rgba(163,113,247,.4);background:rgba(163,113,247,.08);border-radius:9px;max-width:820px}
.schedwarn.show{display:block}
.game.clash{border-color:rgba(242,95,92,.6);background:rgba(242,95,92,.05)}

/* read-only viewer */
.ctrls.ro{gap:18px}
.ctrls.ro .roitem{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;color:var(--chalk);letter-spacing:.03em}
.ctrls.ro .roitem .k{font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.viewbar .vtitle{font-family:var(--disp);font-size:21px;text-transform:uppercase;letter-spacing:.04em;line-height:1}

@media print{
  .rail,.toolbar,.viewbar{display:none!important}
  .wrap{grid-template-columns:1fr}
  .scroll{overflow:visible;background:#fff;padding:0}
  body{background:#fff}
  .pane{display:block!important}
}