:root {
  --ink: #eef2fa; --muted: #9aa3b5; --gold: #ffd36a; --night: #c9a0ff;
  --line: rgba(255,255,255,.09); --card: rgba(8,8,14,.72);
  --font: ui-monospace, Menlo, Consolas, monospace;
  --sky-progress: 0;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:#050508;color:var(--ink);font-family:Segoe UI,system-ui,sans-serif}
body{overflow-x:hidden}

/* Sky */
.sky{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.sky-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:48px 48px;opacity:.35}
.sky-grad{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,#1a1420 0%,#050508 70%);transition:opacity .6s}
.amb{position:absolute;inset:0;opacity:0;transition:opacity .8s}
.amb-day{background:radial-gradient(ellipse at 70% 20%,rgba(255,180,60,.18),transparent 55%)}
.amb-night{background:radial-gradient(ellipse at 30% 15%,rgba(140,60,220,.22),transparent 50%),radial-gradient(ellipse at 70% 80%,rgba(180,20,60,.12),transparent 45%)}
body[data-phase="DAY"] .amb-day{opacity:1} body[data-phase="NIGHT"] .amb-night{opacity:1}
.sun,.moon{position:absolute;width:56px;height:56px;border-radius:50%;top:12%;transition:opacity .6s,transform .6s}
.sun{right:18%;background:radial-gradient(circle,#ffe29a,#ff9a3a);box-shadow:0 0 40px rgba(255,180,60,.5)}
.moon{left:16%;background:radial-gradient(circle,#e8d8ff,#7a40b8);box-shadow:0 0 36px rgba(160,100,255,.45);opacity:0}
body[data-phase="NIGHT"] .sun{opacity:0;transform:translateY(20px)}
body[data-phase="NIGHT"] .moon{opacity:1}
.stars{position:absolute;inset:0;opacity:0;background-image:radial-gradient(1.5px 1.5px at 20% 30%,#fff,transparent),radial-gradient(1px 1px at 70% 20%,#fff,transparent),radial-gradient(1.5px 1.5px at 40% 60%,#fff,transparent),radial-gradient(1px 1px at 85% 45%,#fff,transparent),radial-gradient(1px 1px at 10% 70%,#fff,transparent);transition:opacity .8s}
body[data-phase="NIGHT"] .stars{opacity:.7}
.fog,.vignette{position:absolute;inset:0}
.vignette{background:radial-gradient(ellipse at center,transparent 40%,rgba(0,0,0,.55) 100%)}
.nightfall-flash{position:fixed;inset:0;pointer-events:none;opacity:0;z-index:50}
.nightfall-flash.boom{animation:flashN .7s ease} .nightfall-flash.dawn{animation:flashD .7s ease}
@keyframes flashN{0%{opacity:0;background:rgba(120,40,180,.0)}40%{opacity:1;background:rgba(120,40,180,.35)}100%{opacity:0}}
@keyframes flashD{0%{opacity:0;background:rgba(255,200,80,.0)}40%{opacity:1;background:rgba(255,200,80,.28)}100%{opacity:0}}

/* Top bar */
.top{position:relative;z-index:10;display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line);background:rgba(0,0,0,.45);backdrop-filter:blur(12px)}
.brand{display:flex;gap:10px;align-items:center;color:inherit;text-decoration:none}
.brand .logo{border-radius:10px}
.brand strong{display:block;font-size:15px;letter-spacing:.02em}
.brand small{display:block;color:var(--muted);font-size:11px}
.ca-chip{margin-left:8px;padding:4px 10px;border-radius:999px;border:1px solid rgba(93,255,177,.35);color:#5dffb1;font-family:var(--font);font-size:11px}
.ca-chip.live{box-shadow:0 0 12px rgba(93,255,177,.2)}
.lang-switch{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;margin-left:auto}
.lang-btn{background:transparent;border:0;color:var(--muted);padding:6px 12px;cursor:pointer;font-size:12px}
.lang-btn.active{background:rgba(255,211,106,.14);color:var(--gold)}
.phase-readout{display:flex;align-items:center;gap:8px;font-family:var(--font)}
.phase-badge{padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.08em}
.phase-badge.day{background:rgba(255,200,80,.15);color:var(--gold);border:1px solid rgba(255,200,80,.35)}
.phase-badge.night{background:rgba(160,80,255,.18);color:var(--night);border:1px solid rgba(180,100,255,.4)}
.timer{font-size:14px;color:var(--ink);min-width:72px}

/* Main — compact, no phantom height */
.stage-wrap{position:relative;z-index:5;max-width:1100px;margin:0 auto;padding:12px 14px 24px}
.arc-block{margin:0 auto 8px;max-width:520px}
.phase-arc{width:100%;height:auto;display:block}
.arc-track{stroke:rgba(255,255,255,.1)}
body[data-phase="DAY"] .arc-progress{stroke:url(#arcDayGrad)}
body[data-phase="NIGHT"] .arc-progress{stroke:url(#arcNightGrad)}
.arc-bead{fill:#fff;filter:drop-shadow(0 0 6px rgba(255,220,150,.7))}
.arc-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);padding:0 8px;margin-top:-4px}
.arc-remain strong{color:var(--ink);font-family:var(--font)}

/* Arena — one big clean stage */
.arena-stage{margin-top:6px}
.arena-frame{position:relative;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--card);backdrop-filter:blur(8px);padding:14px 14px 12px}
.arena-geo{position:absolute;inset:0;opacity:.18;pointer-events:none}
.geo-svg{width:100%;height:100%}
.geo-poly{fill:rgba(255,200,100,.06);stroke:rgba(255,200,100,.15);stroke-width:1}
body[data-phase="NIGHT"] .geo-poly{fill:rgba(160,80,255,.07);stroke:rgba(180,100,255,.2)}
.geo-ring{stroke:rgba(255,255,255,.08);stroke-dasharray:4 6}
.fx-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.55}

/* HUD 3-col */
.arena-hud{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:10px;margin-bottom:10px}
.hud-card{background:rgba(0,0,0,.4);border:1px solid var(--line);border-radius:14px;padding:12px 14px;min-height:0}
.hud-label{font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin-bottom:4px}
.hud-big{font-size:22px;font-family:var(--font);line-height:1.15;margin-bottom:6px}
.hud-soft{color:var(--muted);font-size:14px;font-weight:400}
.hud-line{font-size:12px;color:var(--muted);margin-top:3px;display:flex;justify-content:space-between;gap:8px}
.hud-line strong{color:var(--gold);font-family:var(--font)}
body[data-phase="NIGHT"] .hud-line strong{color:var(--night)}
.bar{height:7px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden;margin-top:4px}
.bar-fill{height:100%;border-radius:999px;transition:width .4s}
.bar-fill.seats{background:linear-gradient(90deg,#ffd36a,#ff9a3a)}
.bar-fill.shares{background:linear-gradient(90deg,#7ad0ff,#5b8cff)}
body[data-phase="NIGHT"] .bar-fill.seats{background:linear-gradient(90deg,#c9a0ff,#ff6080)}
.tier-all-btn{margin-top:10px;width:100%;padding:7px 10px;border-radius:10px;border:1px solid rgba(255,211,106,.3);background:rgba(255,211,106,.08);color:var(--gold);cursor:pointer;font-size:12px}
.tier-all-btn:hover{background:rgba(255,211,106,.16)}

.arena-tagline{position:relative;z-index:2;text-align:center;font-size:13px;color:var(--muted);margin:4px 0 10px;letter-spacing:.04em}

/* Stage split — tight, no giant hole */
.stage-split{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:12px;align-items:stretch;min-height:0}
.bot-field{position:relative;display:grid;grid-template-columns:1fr 1fr 40px 1fr 1fr;align-items:center;justify-items:center;gap:4px;min-height:160px;max-height:220px;padding:8px 4px;background:rgba(0,0,0,.25);border-radius:14px;border:1px solid var(--line)}
.bot{display:flex;flex-direction:column;align-items:center;gap:6px}
.bot-core{position:relative;width:56px;height:56px}
.bot-face{width:56px;height:56px;border-radius:14px;object-fit:cover;border:1px solid rgba(255,255,255,.12);background:#111}
.bot-face.mirror{transform:scaleX(-1)}
.bot-tag{position:absolute;right:-6px;bottom:-4px;font-size:9px;padding:2px 5px;border-radius:6px;background:rgba(0,0,0,.7);color:var(--gold);font-family:var(--font)}
.bot-status{min-width:64px;text-align:center;font-size:11px;padding:3px 8px;border-radius:999px;background:rgba(0,0,0,.4);border:1px solid rgba(255,255,255,.1);color:rgba(255,236,200,.7);text-transform:lowercase}
.bot[data-state="minting"] .bot-status{color:#ffe29a;border-color:rgba(255,200,80,.4)}
.bot[data-state="attacking"] .bot-status,.bot[data-state="raiding"] .bot-status{color:#ff9ab8;border-color:rgba(255,80,120,.4)}
.bot[data-state="defending"] .bot-status{color:#9ad0ff;border-color:rgba(100,180,255,.4)}
.clash{display:flex;align-items:center;justify-content:center;opacity:.45}
.clash-x{font-size:18px;color:var(--night)}
.hit-sparks{position:absolute;inset:0;pointer-events:none}
.spark{position:absolute;width:4px;height:4px;border-radius:50%;background:#ffd36a;animation:spark .55s ease forwards}
@keyframes spark{to{transform:translate(var(--dx),var(--dy));opacity:0}}

.ai-panel{background:rgba(0,0,0,.35);border:1px solid var(--line);border-radius:14px;padding:10px;display:flex;flex-direction:column;min-height:160px;max-height:220px}
.ai-panel-head{display:flex;justify-content:space-between;align-items:center;font-size:11px;letter-spacing:.06em;color:var(--muted);margin-bottom:6px}
.ai-panel-count{font-family:var(--font);color:var(--gold);font-size:11px}
.ai-list{list-style:none;margin:0;padding:0;overflow:auto;flex:1}
.ai-list li{display:grid;grid-template-columns:8px 1fr auto;gap:8px;align-items:center;padding:5px 6px;font-size:12px;border-bottom:1px solid rgba(255,255,255,.04)}
.ai-dot{width:7px;height:7px;border-radius:50%;background:#6a6570}
.ai-dot.minting,.ai-dot.attacking,.ai-dot.raiding,.ai-dot.defending{background:var(--gold);box-shadow:0 0 6px rgba(255,211,106,.5)}
.ai-name{font-family:var(--font);font-size:11px;overflow:hidden;text-overflow:ellipsis}
.ai-action{color:var(--muted);font-size:11px}
.ai-action.hot{color:var(--gold)}
.ai-empty,.battle-empty{margin:auto;text-align:center;color:var(--muted);font-size:12px;padding:16px 8px}
.ai-list:not(:empty) ~ .ai-empty{display:none}
.battle-log:not(:empty) ~ .battle-empty{display:none}
body.roster-empty .ai-empty{display:block}
body.roster-empty .ai-list{display:none}
body.log-empty .battle-empty{display:block}
body.log-empty .battle-log{display:none}

.battle-wrap{position:relative;z-index:2;margin-top:10px;background:rgba(0,0,0,.3);border:1px solid var(--line);border-radius:14px;padding:10px 12px;max-height:140px;display:flex;flex-direction:column}
.battle-head{font-size:11px;letter-spacing:.08em;color:var(--muted);margin-bottom:6px}
.battle-log{list-style:none;margin:0;padding:0;overflow:auto;flex:1;font-size:12px}
.battle-log li{padding:4px 0;border-bottom:1px solid rgba(255,255,255,.04);color:var(--muted)}
.battle-log .ts{font-family:var(--font);color:rgba(255,255,255,.35);margin-right:8px;font-size:11px}
.battle-log .amt{color:var(--gold);font-family:var(--font)}
.battle-log strong{color:var(--ink)}

.ca-readonly{position:relative;z-index:2;margin-top:10px;font-family:var(--font);font-size:10px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 18px;opacity:.75}
.ca-readonly code{color:#c8d0e0;font-size:10px}

/* Rules compact */
.rules-strip{margin-top:14px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:rgba(0,0,0,.28)}
.rules-strip ul{margin:0;padding-left:18px;color:var(--muted);font-size:12px;line-height:1.55}
.rules-strip li{margin:4px 0}

footer{position:relative;z-index:5;display:flex;gap:14px;align-items:center;justify-content:center;padding:14px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
footer a{color:var(--gold);text-decoration:none}
.live-pill{padding:2px 8px;border-radius:999px;border:1px solid rgba(93,255,177,.3);color:#5dffb1;font-family:var(--font);font-size:10px}

/* Modal */
.tier-modal[hidden]{display:none}
.tier-modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:16px}
.tier-modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.65)}
.tier-modal-panel{position:relative;z-index:1;width:min(860px,96vw);max-height:84vh;overflow:auto;background:#0c0c12;border:1px solid var(--line);border-radius:16px;padding:16px}
.tier-modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.tier-modal-close{background:transparent;border:0;color:var(--muted);font-size:22px;cursor:pointer}
.tier-modal-hint{color:var(--muted);font-size:12px;margin:0 0 10px}
.table-wrap{overflow:auto}
#tierTable{width:100%;border-collapse:collapse;font-family:var(--font);font-size:12px}
#tierTable th,#tierTable td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left}
#tierTable th{color:var(--muted);position:sticky;top:0;background:#0c0c12}
#tierTable tr.current-tier td{background:rgba(255,200,80,.08)}
#tierTable tr.pool-row td{color:var(--gold)}
body.modal-open{overflow:hidden}
body.modal-open footer{visibility:hidden;pointer-events:none}
body.modal-open .tier-modal{z-index:120}

body.phase-slam .arena-frame{animation:slam .45s ease}
@keyframes slam{0%,100%{transform:scale(1)}40%{transform:scale(1.01)}}

@media (max-width:820px){
  .arena-hud{grid-template-columns:1fr}
  .stage-split{grid-template-columns:1fr}
  .bot-field{grid-template-columns:repeat(4,1fr);max-height:none;min-height:140px}
  .clash{display:none}
  .top{flex-wrap:wrap}
}

/* Empty states — clean, no phantom height */
body.roster-empty .ai-list { display: none !important; }
body.roster-empty .ai-empty { display: block !important; }
body:not(.roster-empty) .ai-empty { display: none !important; }
body.log-empty .battle-log { display: none !important; }
body.log-empty .battle-empty { display: block !important; }
body:not(.log-empty) .battle-empty { display: none !important; }
.ai-panel, .bot-field { min-height: 160px; max-height: 220px; }
.stage-wrap { min-height: 0; }
.arena-frame { min-height: 0; }