@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap');

*{margin:0;padding:0;box-sizing:border-box}
:root{
  --g1:#1b5e20;--g2:#2d7d46;--g3:#4CAF50;--g4:#8BC34A;
  --bg:#f0f7f0;--white:#fff;--text:#1e2d1e;--gray:#6b8068;
  --border:#d4e8d4;--shadow:0 4px 24px rgba(27,94,32,.10);
  --shadow2:0 10px 40px rgba(27,94,32,.18);--r:16px;--r2:10px;
  --orange:#FF9800;--red:#ef5350;--gold:#FFD700
}
body{font-family:'Nunito',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 24px;border:none;border-radius:50px;font-size:.95rem;font-weight:700;cursor:pointer;transition:all .25s;text-decoration:none;font-family:'Nunito',sans-serif}
.btn-green{background:linear-gradient(135deg,var(--g2),var(--g3));color:#fff;box-shadow:0 4px 16px rgba(45,125,70,.35)}
.btn-green:hover{transform:translateY(-2px);box-shadow:0 7px 22px rgba(45,125,70,.45)}
.btn-outline{background:#fff;color:var(--g2);border:2px solid var(--g2);box-shadow:0 2px 8px rgba(45,125,70,.12)}
.btn-outline:hover{background:var(--bg);transform:translateY(-2px)}
.btn-orange{background:linear-gradient(135deg,#FF9800,#f57c00);color:#fff;box-shadow:0 4px 16px rgba(255,152,0,.3)}
.btn-orange:hover{transform:translateY(-2px)}
.btn-full{width:100%;padding:14px}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none!important;box-shadow:none!important}

/* ── HEADER ── */
.hdr{background:linear-gradient(135deg,#143d1a 0%,var(--g2) 100%);color:#fff;padding:13px 28px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 4px 20px rgba(0,0,0,.25);position:sticky;top:0;z-index:100}
.hdr-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.hdr-logo span{font-size:1.8rem;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}
.hdr-logo h1{font-size:1.4rem;font-weight:900;letter-spacing:1.5px;text-shadow:0 1px 3px rgba(0,0,0,.2)}
.hdr-nav{display:flex;align-items:center;gap:10px}
.nav-a{color:rgba(255,255,255,.88);text-decoration:none;padding:7px 14px;border-radius:50px;transition:all .25s;font-weight:700;font-size:.88rem}
.nav-a:hover,.nav-a.on{background:rgba(255,255,255,.22);color:#fff}
.btn-logout{background:rgba(255,255,255,.15);color:#fff;border:1.5px solid rgba(255,255,255,.4);padding:7px 16px;border-radius:50px;cursor:pointer;font-size:.86rem;font-weight:700;transition:all .25s;font-family:'Nunito',sans-serif}
.btn-logout:hover{background:rgba(255,255,255,.28)}

/* ── LOGIN ── */
.login-page{min-height:100vh;background:linear-gradient(145deg,#0d3b18 0%,#1b5e20 30%,#2d7d46 60%,#66bb6a 100%);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.login-deco{position:fixed;inset:0;pointer-events:none;overflow:hidden}
.login-deco span{position:absolute;font-size:2rem;opacity:.15;animation:floatDeco linear infinite}
@keyframes floatDeco{from{transform:translateY(110vh) rotate(0deg);opacity:0}20%{opacity:.2}80%{opacity:.2}to{transform:translateY(-10vh) rotate(360deg);opacity:0}}
.login-wrap{position:relative;z-index:1;width:100%;max-width:440px;padding:20px}
.login-card{background:#fff;border-radius:28px;padding:48px 40px;box-shadow:0 24px 80px rgba(0,0,0,.35);animation:fadeUp .5s ease}
.login-logo{text-align:center;margin-bottom:32px}
.eco-badge{width:80px;height:80px;background:linear-gradient(135deg,var(--g2),var(--g3));border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2.4rem;margin:0 auto 12px;box-shadow:0 8px 30px rgba(45,125,70,.5)}
.login-logo h1{font-size:2rem;color:var(--g1);font-weight:900;letter-spacing:2px}
.login-logo p{color:var(--gray);font-size:.88rem;margin-top:4px}
.login-hint{background:#e8f5e9;border:1.5px solid #a5d6a7;border-radius:12px;padding:12px 16px;margin-top:18px;font-size:.82rem;color:#1b5e20;text-align:center;font-weight:600}
.login-hint code{background:#c8e6c9;padding:2px 7px;border-radius:5px;font-weight:800}

/* ── FORM ── */
.fg{margin-bottom:17px}
.fg label{display:block;font-weight:800;color:var(--text);margin-bottom:7px;font-size:.85rem;text-transform:uppercase;letter-spacing:.5px}
.fg input,.fg select{width:100%;padding:13px 16px;border:2px solid var(--border);border-radius:12px;font-size:.95rem;transition:all .25s;background:#f7fbf7;color:var(--text);font-family:'Nunito',sans-serif;font-weight:600}
.fg input:focus,.fg select:focus{outline:none;border-color:var(--g3);background:#fff;box-shadow:0 0 0 3px rgba(76,175,80,.15)}
.err{color:#e53935;font-size:.86rem;text-align:center;margin-top:10px;min-height:20px;font-weight:700}
.btn-login{width:100%;padding:14px;background:linear-gradient(135deg,var(--g2),var(--g3));color:#fff;border:none;border-radius:14px;font-size:1.05rem;font-weight:900;cursor:pointer;transition:all .28s;letter-spacing:.5px;margin-top:8px;font-family:'Nunito',sans-serif;box-shadow:0 6px 20px rgba(45,125,70,.4)}
.btn-login:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(45,125,70,.5)}

/* ── PLATFORM HERO ── */
.hero{background:linear-gradient(135deg,#0f3d15 0%,#1b5e20 35%,#2d7d46 70%,#43a047 100%);color:#fff;padding:56px 28px 48px;text-align:center;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-bg span{position:absolute;font-size:2.5rem;opacity:.08;animation:heroFloat ease-in-out infinite}
@keyframes heroFloat{0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-20px) rotate(15deg)}}
.hero-content{position:relative;z-index:1}
.hero h2{font-size:2.4rem;font-weight:900;margin-bottom:10px;text-shadow:0 2px 8px rgba(0,0,0,.2)}
.hero p{font-size:1.1rem;opacity:.9;max-width:560px;margin:0 auto 20px;font-weight:600}
.hero-badges{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.hero-badge{background:rgba(255,255,255,.18);border:1.5px solid rgba(255,255,255,.35);color:#fff;padding:6px 16px;border-radius:20px;font-size:.82rem;font-weight:700;backdrop-filter:blur(4px)}

/* ── STATS BAR ── */
.stats-bar{background:#fff;display:flex;justify-content:center;gap:0;border-bottom:2px solid #e8f5e9}
.s-item{text-align:center;padding:18px 36px;border-right:1px solid #e8f5e9;flex:1;max-width:180px}
.s-item:last-child{border-right:none}
.s-val{font-size:1.9rem;font-weight:900;color:var(--g2)}
.s-lbl{font-size:.72rem;color:var(--gray);letter-spacing:.8px;text-transform:uppercase;font-weight:700}

/* ── SECTION TITLES ── */
.section-ttl{text-align:center;padding:32px 20px 8px;font-size:1.5rem;color:var(--g1);font-weight:900}
.section-sub{text-align:center;color:var(--gray);font-size:.92rem;margin-bottom:8px;font-weight:600}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;padding:0 28px 20px;max-width:1100px;margin:0 auto;justify-content:center}
.chip{background:#fff;border:2px solid var(--g3);color:var(--g2);padding:5px 14px;border-radius:20px;font-size:.82rem;font-weight:700;transition:all .2s;cursor:default}
.chip:hover{background:var(--g3);color:#fff}

/* ── GAME CARDS ── */
.games-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;padding:20px 28px 40px;max-width:1100px;margin:0 auto}
.game-card{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);transition:all .28s;cursor:pointer;text-decoration:none;color:var(--text);display:flex;flex-direction:column;overflow:hidden;border:2px solid transparent}
.game-card:hover{transform:translateY(-6px);box-shadow:var(--shadow2);border-color:var(--cc,var(--g2))}
.gc-head{background:var(--cc,var(--g2));padding:22px 20px 16px;position:relative;overflow:hidden;min-height:80px;display:flex;align-items:center;gap:14px}
.gc-head::after{content:var(--cicon,'🌿');position:absolute;right:-10px;bottom:-10px;font-size:5rem;opacity:.18;line-height:1}
.gc-icon-big{font-size:2.6rem;filter:drop-shadow(0 2px 4px rgba(0,0,0,.2));z-index:1}
.gc-head-text{z-index:1}
.gc-head-text h3{font-size:1.1rem;font-weight:900;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.2);margin-bottom:2px}
.gc-head-text p{font-size:.75rem;color:rgba(255,255,255,.85);font-weight:600}
.gc-body{padding:16px 20px 20px;flex:1;display:flex;flex-direction:column}
.gc-desc{font-size:.88rem;color:var(--gray);line-height:1.55;margin-bottom:14px;flex:1;font-weight:600}
.lvl-row{display:flex;gap:6px}
.lb{padding:4px 12px;border-radius:20px;font-size:.73rem;font-weight:800}
.lb-e{background:#e8f5e9;color:#2e7d32}
.lb-m{background:#fff8e1;color:#f57f17}
.lb-h{background:#fce4ec;color:#c62828}

/* ── ECO TIPS STRIP ── */
.eco-strip{background:linear-gradient(135deg,var(--g1),var(--g2));color:#fff;padding:22px 28px;text-align:center}
.eco-strip h4{font-size:1rem;font-weight:900;margin-bottom:6px;opacity:.9}
.eco-strip p{font-size:.88rem;opacity:.85;max-width:700px;margin:0 auto;font-weight:600}

/* ── GAME PAGE ── */
.g-wrap{max-width:920px;margin:24px auto;padding:16px}
.g-topbar{background:#fff;border-radius:var(--r);padding:16px 22px;margin-bottom:16px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.g-ttl{display:flex;align-items:center;gap:10px}
.g-ttl .gi{font-size:1.8rem}
.g-ttl h2{font-size:1.25rem;color:var(--g1);font-weight:900}
.g-stats{display:flex;gap:12px}
.stat-box{text-align:center;background:var(--bg);padding:8px 14px;border-radius:10px;min-width:68px}
.sv{font-size:1.35rem;font-weight:900;color:var(--g2)}
.sl{font-size:.65rem;color:var(--gray);text-transform:uppercase;letter-spacing:.5px;font-weight:700}
.timer-warn{animation:blink .5s infinite;color:#e53935!important}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}

/* ── LEVEL SELECTOR ── */
.lvl-sel{background:#fff;border-radius:var(--r);padding:30px;box-shadow:var(--shadow);text-align:center}
.lvl-sel h3{font-size:1.2rem;color:var(--g1);margin-bottom:20px;font-weight:900}
.lvl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:500px;margin:0 auto 20px}
.lcard{background:var(--bg);border:2.5px solid var(--border);border-radius:14px;padding:22px 16px;cursor:pointer;transition:all .28s;text-align:center}
.lcard:hover{border-color:var(--g3);background:#fff;transform:translateY(-4px);box-shadow:var(--shadow)}
.lcard .ln{font-size:2.2rem;font-weight:900;color:var(--g2)}
.lcard .lname{font-size:.9rem;margin-top:4px;font-weight:800}
.lcard .ldesc{font-size:.75rem;color:var(--gray);margin-top:6px;font-weight:600}
.tip-box{background:linear-gradient(135deg,#e8f5e9,#f1f8e9);border:1.5px solid #a5d6a7;border-radius:12px;padding:13px 16px;font-size:.86rem;color:#1b5e20;font-weight:700}

/* ── MODAL ── */
.overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s;backdrop-filter:blur(3px)}
.m-card{background:#fff;border-radius:24px;padding:38px;max-width:420px;width:90%;box-shadow:0 24px 80px rgba(0,0,0,.3);animation:fadeUp .3s}
.m-card h3{font-size:1.45rem;color:var(--g1);margin-bottom:4px;text-align:center;font-weight:900}
.m-card>.sub{color:var(--gray);text-align:center;margin-bottom:24px;font-size:.88rem;font-weight:600}

/* ── PROGRESS BAR ── */
.progress-bar{height:8px;background:var(--border);border-radius:50px;overflow:hidden;margin-bottom:14px}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--g2),var(--g3));transition:width .4s ease;border-radius:50px}

/* ── RESULTS ── */
.results{background:#fff;border-radius:var(--r);padding:40px;box-shadow:var(--shadow);text-align:center}
.results .trophy{font-size:4rem;margin-bottom:12px}
.result-mascot{height:96px;filter:drop-shadow(0 4px 12px rgba(0,0,0,.15));margin-bottom:4px;display:block;margin-left:auto;margin-right:auto;animation:popIn .4s ease}
.results h2{font-size:1.9rem;color:var(--g1);margin-bottom:8px;font-weight:900}
.score-big{font-size:4rem;font-weight:900;color:var(--g2);margin:16px 0;text-shadow:0 2px 10px rgba(45,125,70,.2)}
.score-row{display:flex;justify-content:center;gap:28px;margin-bottom:28px;flex-wrap:wrap}
.score-row .item{text-align:center;background:var(--bg);padding:12px 20px;border-radius:12px;min-width:80px}
.score-row .val{font-size:1.6rem;font-weight:900;color:var(--g2)}
.score-row .lbl{font-size:.78rem;color:var(--gray);font-weight:700}
.btn-row{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:4px}
.cooldown-hint{font-size:.82rem;color:var(--gray);margin-top:10px;font-weight:700;min-height:20px}

/* ── GAME 1 – CLASIFICADOR ── */
.item-stage{background:#fff;border-radius:var(--r);padding:28px;box-shadow:var(--shadow);text-align:center;margin-bottom:16px;min-height:175px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;border:2px solid var(--border)}
.item-emoji{font-size:5rem;margin-bottom:10px;animation:popIn .35s ease}
.item-name{font-size:1.4rem;font-weight:900;color:var(--g1);margin-bottom:4px}
.item-hint{font-size:.86rem;color:var(--gray);font-weight:600}
.item-num{position:absolute;top:12px;right:12px;background:var(--bg);border-radius:8px;padding:4px 10px;font-size:.8rem;color:var(--gray);font-weight:800}
@keyframes popIn{from{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}
.bins-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:16px}
.bin-btn{background:#fff;border:2.5px solid var(--border);border-radius:14px;padding:14px 8px;cursor:pointer;transition:all .25s;text-align:center;font-size:.82rem;font-weight:800;color:var(--text);font-family:'Nunito',sans-serif}
.bin-btn .bi{font-size:2rem;display:block;margin-bottom:6px}
.bin-btn:hover:not(:disabled){transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--g3)}
.bin-btn.correct{border-color:#4CAF50!important;background:#e8f5e9;color:#2e7d32}
.bin-btn.wrong{border-color:#ef5350!important;background:#ffebee;color:#b71c1c}
.feedback-bar{border-radius:12px;padding:13px 18px;margin-bottom:13px;font-size:.9rem;font-weight:700;animation:fadeUp .3s;display:flex;align-items:flex-start;gap:10px;text-align:left;line-height:1.5}
.feedback-bar.ok{background:#e8f5e9;border:1.5px solid #a5d6a7;color:#1b5e20}
.feedback-bar.bad{background:#ffebee;border:1.5px solid #ef9a9a;color:#b71c1c}

/* ── GAME 2 – QUIZ ── */
.q-box{background:#fff;border-radius:var(--r);padding:28px;box-shadow:var(--shadow);margin-bottom:16px}
.q-num{font-size:.78rem;color:var(--gray);font-weight:800;text-transform:uppercase;letter-spacing:1px;margin-bottom:10px}
.q-text{font-size:1.15rem;color:var(--text);font-weight:800;margin-bottom:20px;line-height:1.55}
.q-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.q-opt{background:var(--bg);border:2.5px solid var(--border);border-radius:12px;padding:14px 15px;cursor:pointer;transition:all .25s;font-size:.9rem;font-weight:700;text-align:left;font-family:'Nunito',sans-serif;color:var(--text)}
.q-opt:hover{border-color:var(--g3);background:#fff;transform:translateY(-2px);box-shadow:var(--shadow)}
.q-opt.correct{border-color:#4CAF50!important;background:#e8f5e9;color:#1b5e20;font-weight:800}
.q-opt.wrong{border-color:#ef5350!important;background:#ffebee;color:#b71c1c}
.q-opt.disabled{pointer-events:none}
.q-timer-bar{height:6px;background:var(--border);border-radius:50px;overflow:hidden;margin-bottom:16px}
.q-timer-fill{height:100%;background:linear-gradient(90deg,#43a047,#8BC34A);transition:width 1s linear;border-radius:50px}
.q-timer-fill.danger{background:linear-gradient(90deg,#ef5350,#ff7043)}
.fact-box{background:#fff8e1;border:1.5px solid #ffe082;border-radius:10px;padding:12px 16px;font-size:.87rem;color:#e65100;margin-top:12px;display:none;font-weight:700;line-height:1.5}
.fact-box.show{display:block}

/* ── GAME 3 – MEMORIA (Simple flip, no 3D) ── */
.mem-grid{display:grid;gap:10px;margin:0 auto}
.mem-grid.g8{grid-template-columns:repeat(4,1fr);max-width:480px}
.mem-grid.g12{grid-template-columns:repeat(4,1fr);max-width:480px}
.mem-grid.g18{grid-template-columns:repeat(6,1fr);max-width:660px}
.mem-card{border-radius:12px;cursor:pointer;transition:transform .15s,box-shadow .15s;user-select:none;-webkit-user-select:none}
.mem-card:not(.matched):hover{transform:scale(1.06);box-shadow:var(--shadow2)}
.card-back{background:linear-gradient(135deg,var(--g2),var(--g3));border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;aspect-ratio:1;border:2.5px solid rgba(255,255,255,.25)}
.card-front{background:#fff;border-radius:11px;display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:8px;aspect-ratio:1;border:2.5px solid #e8f5e9;font-weight:800;color:var(--text);text-align:center}
.mem-card.flipped .card-back{display:none}
.mem-card.flipped .card-front{display:flex}
.mem-card.matched{opacity:.7;cursor:default}
.mem-card.matched .card-front{border-color:#4CAF50;background:#f1f8e9}
.mem-card.wrong-flash .card-front{border-color:#ef5350;background:#ffebee;animation:wrongShake .35s ease}
@keyframes wrongShake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.cf-emoji{font-size:1.5rem;line-height:1}
.cf-label{font-size:.64rem;color:var(--gray);font-weight:800;line-height:1.2;max-width:100%;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.mem-info{background:#fff;border-radius:var(--r);padding:13px 20px;margin-bottom:14px;box-shadow:var(--shadow);display:flex;justify-content:center;gap:28px;text-align:center;flex-wrap:wrap}
.mi-val{font-size:1.35rem;font-weight:900;color:var(--g2)}
.mi-lbl{font-size:.72rem;color:var(--gray);font-weight:700;text-transform:uppercase;letter-spacing:.4px}
.mem-wrap{display:flex;justify-content:center;margin-bottom:16px}

/* ── GAME 4 – SOPA DE LETRAS ── */
.wp-grid{display:inline-grid;gap:2px;background:#c8e6c9;padding:7px;border-radius:12px;user-select:none}
.wp-cell{width:34px;height:34px;display:flex;align-items:center;justify-content:center;font-size:.95rem;font-weight:800;color:var(--text);background:#fff;border-radius:5px;cursor:pointer;transition:background .12s;border:1.5px solid var(--border)}
.wp-cell.active{background:#a5d6a7;color:var(--g1)}
.wp-cell.found{background:#43a047;color:#fff;border-color:#43a047}
.wp-outer{text-align:center}
.words-list{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.word-tag{background:#fff;border:2px solid var(--border);border-radius:8px;padding:5px 12px;font-size:.83rem;font-weight:800;color:var(--text);transition:all .25s;cursor:default}
.word-tag.found-w{background:#43a047;border-color:#43a047;color:#fff;text-decoration:line-through;opacity:.75}
.wp-layout{display:flex;gap:24px;flex-wrap:wrap;align-items:flex-start;justify-content:center}

/* ── GAME 5 – CARRERA ── */
canvas{display:block;margin:0 auto;border-radius:14px;box-shadow:var(--shadow2)}
.m-btn{background:rgba(27,94,32,.88);color:#fff;border:none;border-radius:14px;padding:18px 32px;font-size:1.6rem;cursor:pointer;user-select:none;-webkit-user-select:none;touch-action:manipulation;font-family:'Nunito',sans-serif;transition:all .15s}
.m-btn:active{background:#1b5e20;transform:scale(.95)}
.game5-instructions{background:linear-gradient(135deg,#e8f5e9,#f1f8e9);border:1.5px solid #a5d6a7;border-radius:12px;padding:12px 18px;margin-bottom:12px;font-size:.86rem;color:#1b5e20;font-weight:700}
.lives-row{display:flex;justify-content:center;gap:5px;margin-bottom:10px;font-size:1.4rem}

/* ── GAME 6 – PUZZLE ── */
.puzzle-wrap{display:grid;gap:4px;margin:0 auto;background:var(--g2);border-radius:14px;padding:7px;box-shadow:var(--shadow2)}
.puzzle-wrap.p3{grid-template-columns:repeat(3,1fr);max-width:330px}
.puzzle-wrap.p4{grid-template-columns:repeat(4,1fr);max-width:420px}
.puzzle-wrap.p5{grid-template-columns:repeat(5,1fr);max-width:500px}
.p-tile{display:flex;align-items:center;justify-content:center;background:#fff;border-radius:8px;cursor:pointer;transition:all .18s;aspect-ratio:1;font-weight:900;border:2px solid transparent;flex-direction:column;gap:2px}
.p-tile .tile-emoji{font-size:1.8rem;line-height:1}
.p-tile .tile-lbl{font-size:.55rem;color:#aaa;font-weight:800}
.p-tile:hover:not(.empty){background:#e8f5e9;border-color:#4CAF50;transform:scale(1.04)}
.p-tile.empty{background:#1b5e20;cursor:default;border-color:transparent}
.p-tile.empty:hover{transform:none;background:#1b5e20}
.puzzle-wrap.p4 .p-tile .tile-emoji{font-size:1.4rem}
.puzzle-wrap.p5 .p-tile .tile-emoji{font-size:1.1rem}
.solved-msg{background:#e8f5e9;border:2px solid #4CAF50;border-radius:12px;padding:14px;text-align:center;font-size:1.05rem;font-weight:900;color:#1b5e20;margin-bottom:14px;animation:fadeUp .4s ease;display:none}
.moves-info{background:#fff;border-radius:var(--r);padding:13px 22px;margin-bottom:14px;box-shadow:var(--shadow);display:flex;justify-content:center;gap:28px;text-align:center;flex-wrap:wrap}
.puzzle-center{display:flex;justify-content:center;margin-bottom:16px}

/* ── RANKING ── */
.rk-wrap{max-width:1020px;margin:28px auto;padding:16px}
.rk-hdr{text-align:center;margin-bottom:26px}
.rk-hdr h2{font-size:2.1rem;color:var(--g1);margin-bottom:6px;font-weight:900}
.rk-hdr p{color:var(--gray);font-weight:600}
.rk-filters{background:#fff;padding:18px 22px;border-radius:var(--r);box-shadow:var(--shadow);display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px;align-items:center}
.rk-filters label{font-weight:800;font-size:.84rem;color:var(--text)}
.rk-filters select{padding:9px 14px;border:2px solid var(--border);border-radius:50px;font-size:.88rem;background:#fff;color:var(--text);cursor:pointer;font-family:'Nunito',sans-serif;font-weight:700}
.rk-filters select:focus{outline:none;border-color:var(--g3)}
.tbl-wrap{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.rk-tbl{width:100%;border-collapse:collapse}
.rk-tbl th{background:linear-gradient(135deg,var(--g1),var(--g2));color:#fff;padding:14px 18px;text-align:left;font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.6px}
.rk-tbl td{padding:13px 18px;border-bottom:1px solid var(--border);font-size:.92rem;font-weight:600}
.rk-tbl tr:last-child td{border-bottom:none}
.rk-tbl tr:hover td{background:#f7fbf7}
.pos{font-weight:900;font-size:1.05rem}
.pos-1{color:#FFD700}.pos-2{color:#9e9e9e}.pos-3{color:#CD7F32}
.no-rk{text-align:center;padding:50px;color:var(--gray)}
.no-rk .ico{font-size:3rem;margin-bottom:12px}
.btn-clear{background:#fff0f0;border:1.5px solid #ffcdd2;color:#e53935;padding:8px 16px;border-radius:50px;font-size:.82rem;cursor:pointer;font-weight:800;margin-left:auto;font-family:'Nunito',sans-serif;transition:all .2s}
.btn-clear:hover{background:#ffebee}

/* ── UTILITIES ── */
.hidden{display:none!important}
.mt16{margin-top:16px}
.mb16{margin-bottom:16px}
.text-c{text-align:center}

@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}

@media(max-width:700px){
  .games-grid{grid-template-columns:1fr;padding:14px}
  .bins-grid{grid-template-columns:repeat(3,1fr)}
  .q-options{grid-template-columns:1fr}
  .lvl-grid{grid-template-columns:repeat(3,1fr)}
  .g-stats{display:none}
  .hdr-logo h1{font-size:1.05rem}
  .hero h2{font-size:1.7rem}
  .wp-cell{width:26px;height:26px;font-size:.75rem}
  .stats-bar{flex-wrap:wrap}
  .s-item{min-width:80px;flex:none;border-right:none;border-bottom:1px solid #e8f5e9}
}