/* HeleBak v15.6: original, local-only games and daily horoscope UI */
:root{--hf-purple:#8b5cf6;--hf-teal:#0d9488;--hf-ink:#172033;--hf-surface:#fff;--hf-soft:#f5f3ff;--hf-border:#e2e8f0}
html.dark{--hf-ink:#f8fafc;--hf-surface:#0e1728;--hf-soft:#1b2440;--hf-border:#334155}
.hf-body{font-family:Inter,ui-sans-serif,system-ui,Arial,sans-serif;background:#f8fafc;color:var(--hf-ink);min-height:100vh;margin:0}
html.dark .hf-body{background:#030712}
.hf-container{max-width:1120px;margin:0 auto;padding:78px 18px 55px}
.hf-top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.hf-home{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--hf-border);padding:10px 14px;color:var(--hf-ink);border-radius:13px;text-decoration:none;font-weight:750;background:var(--hf-surface)}
.hf-hero{border:1px solid var(--hf-border);border-radius:25px;background:linear-gradient(122deg,#7c3aed,#0f766e);color:#fff;padding:28px 30px;margin-bottom:24px;box-shadow:0 20px 36px -25px #5b21b6}
.hf-hero h1{font-size:clamp(25px,4.3vw,40px);margin:10px 0;font-weight:900;line-height:1.2}
.hf-hero p{line-height:1.65;color:#e9e9ff;margin:0;max-width:730px}
.hf-kicker{display:inline-block;border-radius:99px;padding:7px 12px;background:#ffffff2d;color:#fff;font-weight:800;font-size:12px;letter-spacing:.03em}
.hf-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.hf-panel{background:var(--hf-surface);color:var(--hf-ink);border:1px solid var(--hf-border);border-radius:22px;padding:20px;box-shadow:0 7px 18px -16px #64748b}
.hf-card-button{font:inherit;cursor:pointer;width:100%;text-align:left;transition:transform .18s,border-color .18s;position:relative}
.hf-card-button:hover{transform:translateY(-3px);border-color:#a78bfa}
.hf-card-button[aria-pressed=true]{border:2px solid var(--hf-purple);background:var(--hf-soft)}
.hf-emoji{font-size:31px;display:block;margin-bottom:12px}
.hf-card-button strong{display:block;font-weight:900;font-size:17px;margin-bottom:7px}
.hf-card-button small{font-size:12px;line-height:1.5;color:#94a3b8;display:block}
.hf-game{margin-top:22px;display:none}
.hf-game.hf-active{display:block}
.hf-game h2{font-size:23px;margin:0 0 10px}
.hf-help{font-size:14px;color:#64748b;line-height:1.65}
html.dark .hf-help{color:#a8b4c6}
.hf-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:16px 0}
.hf-button{background:#7c3aed;color:#fff;border:0;border-radius:12px;padding:12px 18px;font-size:14px;font-weight:800;cursor:pointer;min-height:45px}
.hf-button:hover{background:#6d28d9}
.hf-button.hf-secondary{background:var(--hf-soft);color:var(--hf-ink);border:1px solid var(--hf-border)}
.hf-button:focus-visible,.hf-card-button:focus-visible,.hf-memory-card:focus-visible,.hf-cell:focus-visible,.hf-input:focus-visible{outline:3px solid #f59e0b;outline-offset:3px}
.hf-input{max-width:220px;min-width:0;background:var(--hf-surface);color:var(--hf-ink);border:1px solid var(--hf-border);border-radius:12px;font-family:inherit;font-size:16px;font-weight:700;padding:11px 14px;min-height:44px;box-sizing:border-box}
.hf-status{font-weight:750;min-height:25px;color:#0d9488}
html.dark .hf-status{color:#5eead4}
.hf-mem-grid{display:grid;grid-template-columns:repeat(4,minmax(0,100px));gap:10px;margin:20px 0;max-width:460px}
.hf-memory-card{aspect-ratio:1;border:2px solid #a78bfa;background:linear-gradient(135deg,#8b5cf6,#0d9488);color:#fff;border-radius:14px;font-size:36px;cursor:pointer;font-family:inherit;min-width:0}
.hf-memory-card[data-open=true]{background:var(--hf-soft);color:var(--hf-ink);border-color:#c4b5fd}
.hf-memory-card[data-done=true]{border-color:#10b981;background:#d1fae5;color:#065f46;cursor:default}
.hf-board{display:grid;grid-template-columns:repeat(3,94px);gap:9px;margin:20px 0}
.hf-cell{height:94px;border-radius:14px;border:2px solid var(--hf-border);background:var(--hf-soft);font-size:43px;color:var(--hf-purple);font-weight:900;cursor:pointer}
.hf-cell:disabled{cursor:default;opacity:1}
.hf-math-question{font-size:clamp(30px,5vw,47px);font-weight:900;margin:18px 0;color:var(--hf-purple)}
.hf-note{border-left:3px solid #8b5cf6;background:var(--hf-soft);padding:13px 16px;border-radius:0 12px 12px 0;margin-top:21px;font-size:13px;line-height:1.65}
.hf-sign-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.hf-sign{scroll-margin-top:32px}
.hf-sign-top{display:flex;gap:13px;align-items:center;margin-bottom:14px}
.hf-sign-icon{font-size:39px;line-height:1;width:51px;height:51px;display:flex;align-items:center;justify-content:center;border-radius:13px;background:var(--hf-soft);color:#8b5cf6}
.hf-sign h2{font-size:20px;margin:0}
.hf-range{font-size:12px;color:#94a3b8;margin-top:3px}
.hf-sign-focus{font-weight:700;line-height:1.58;margin:10px 0 17px}
.hf-sign-detail{margin:10px 0;font-size:13px;line-height:1.6}
.hf-sign-detail b{color:#0d9488}
html.dark .hf-sign-detail b{color:#5eead4}
.hf-badge{display:inline-block;font-weight:750;border-radius:99px;background:var(--hf-soft);padding:7px 12px;font-size:12px}
.hf-footer{padding:10px 18px 40px;text-align:center;font-size:13px}
.hf-footer a{color:var(--hf-purple);text-decoration:none}
@media(max-width:800px){.hf-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hf-sign-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:510px){.hf-hero{padding:23px 18px}.hf-panel{padding:15px}.hf-grid{gap:10px}.hf-sign-grid{grid-template-columns:1fr}.hf-board{grid-template-columns:repeat(3,80px)}.hf-cell{height:80px}.hf-mem-grid{gap:7px}.hf-memory-card{font-size:27px}.hf-card-button strong{font-size:14px}.hf-container{padding-left:12px;padding-right:12px}}

/* HeleBak v20: extra game surfaces. */
.hf-reaction-zone{display:block;width:min(100%,640px);min-height:180px;border-radius:20px;border:0;background:#64748b;color:#fff;font-size:clamp(20px,4vw,31px);font-weight:900;cursor:pointer;padding:20px}.hf-reaction-zone[data-state=wait]{background:#dc2626}.hf-reaction-zone[data-state=go]{background:#16a34a}.hf-reaction-zone:disabled{cursor:default;opacity:1}
.hf-color-display{font-size:clamp(35px,7vw,64px);font-weight:900;background:var(--hf-soft);border-radius:16px;max-width:430px;padding:20px;text-align:center;margin:20px 0}.hf-quiz-question{font-size:clamp(18px,4vw,26px);font-weight:800;margin:20px 0}.hf-sequence-grid{display:grid;grid-template-columns:repeat(2,minmax(0,145px));gap:12px;margin:20px 0}.hf-sequence-cell{height:120px;border:3px solid transparent;border-radius:20px;cursor:pointer;opacity:.62;transition:opacity .12s,transform .12s}.hf-sequence-cell.hf-lit{opacity:1;transform:scale(1.065);border-color:#fff;box-shadow:0 0 0 4px #64748b}.hf-seq-red{background:#e11d48}.hf-seq-blue{background:#2563eb}.hf-seq-green{background:#10b981}.hf-seq-yellow{background:#eab308}@media(max-width:510px){.hf-sequence-grid{grid-template-columns:repeat(2,minmax(0,115px))}.hf-sequence-cell{height:105px}}