:root{
  --bg:#f4f7fb;--panel:#ffffff;--panel2:#f8fafc;--line:#dfe6ef;--text:#172338;--muted:#66758a;
  --red:#ef4b4f;--gold:#f2ae2e;--cyan:#297fe5;--green:#23a565;--shadow:0 18px 50px rgba(34,53,80,.13)
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:linear-gradient(145deg,#f7f9fc,#eef3f9);color:var(--text);font-family:Inter,"Segoe UI",Arial,sans-serif}
body{padding:clamp(10px,2vw,24px);overscroll-behavior:none}button,input,textarea{font:inherit}.tool-shell{width:min(1440px,100%);margin:auto}.tool-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.tool-brand{display:flex;align-items:center;gap:14px}.tool-logo{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:#fff;box-shadow:0 12px 32px rgba(37,62,95,.14);overflow:hidden;border:1px solid var(--line)}.tool-logo img{width:100%;height:100%;object-fit:cover}.tool-brand h1{margin:0;font-size:clamp(25px,3vw,38px);letter-spacing:-.035em}.tool-brand p{margin:4px 0 0;color:var(--muted);font-size:14px}.tool-chip{padding:10px 14px;border:1px solid var(--line);border-radius:999px;color:#43536a;background:#fff;font-size:12px;font-weight:800;box-shadow:0 6px 18px rgba(34,53,80,.06)}.tool-card{background:var(--panel);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.tool-button{border:0;border-radius:14px;padding:13px 19px;background:linear-gradient(135deg,var(--red),#ff7350);color:white;font-weight:900;cursor:pointer;box-shadow:0 12px 26px rgba(239,75,79,.22);transition:.18s}.tool-button:hover{transform:translateY(-1px);filter:brightness(1.03)}.tool-button.secondary{background:#eef3f8;color:#243650;box-shadow:none;border:1px solid #cfdae6}.tool-button:disabled{opacity:.45;cursor:not-allowed}.tool-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:16px}.tool-panel{padding:clamp(16px,2.2vw,26px)}.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.stat{padding:13px;border-radius:15px;background:#f5f8fc;border:1px solid var(--line)}.stat small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.1em}.stat strong{display:block;margin-top:5px;font-size:26px;color:#d48a09}.tool-note{color:var(--muted);line-height:1.6;font-size:13px}.pill-row{display:flex;flex-wrap:wrap;gap:8px}.pill{padding:7px 11px;border-radius:999px;background:#edf5ff;border:1px solid #cfe1f6;color:#245f9d;font-size:11px;font-weight:800}.overlay{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:18px;background:rgba(18,32,50,.48);backdrop-filter:blur(12px)}.overlay.hidden{display:none}.overlay-card{width:min(560px,100%);padding:32px;text-align:center}.overlay-card h2{font-size:36px;margin:10px 0}.overlay-card p{color:var(--muted);line-height:1.6;font-size:15px}.result-big{font-size:64px;color:#d48a09;font-weight:1000}.list-clean{list-style:none;padding:0;margin:0}.list-clean li{padding:11px 0;border-top:1px solid var(--line)}
/* Light-mode safety for individual app styles that previously assumed a dark surface. */
.game-card,.side-card,.daily-box,.generator-box,.case-box,.memory-board,.question-card,.result-card{color:var(--text)!important}.word-line,.progress-time{background:#eef3f8!important;border-color:#d7e0ea!important;color:#27364a}.found{color:#243650}.daily-box{background:#eefaf3!important;border-color:#cfeada!important}.letter{border-color:#d4deea!important;background:linear-gradient(145deg,#2d70d6,#5d45c9)!important;box-shadow:0 10px 22px rgba(37,69,125,.2)!important}.letter.active{border-color:#f7b93e!important;background:linear-gradient(145deg,#f7b23a,#e77a36)!important}.progress-time{box-shadow:inset 0 1px 3px rgba(34,53,80,.12)!important}.tool-panel h2,.overlay-card h2{color:var(--text)}
@media(max-width:820px){body{padding:8px}.tool-grid{grid-template-columns:1fr}.tool-top{align-items:flex-start}.tool-chip{display:none}.stat-row{grid-template-columns:1fr 1fr}.tool-card{border-radius:18px}.tool-brand p{font-size:12px}.tool-logo{width:50px;height:50px}.overlay-card{padding:23px}}