@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;900&display=swap');
:root{--bg:#07080f;--bg2:#0d0f1c;--bg3:#12152a;--accent:#00d0ff;--accent2:#7b61ff;--accent3:#ff3d8a;--text:#e8eaf6;--text2:#8892b0;--border:rgba(0,208,255,0.12);--border2:rgba(123,97,255,0.15);--glow:rgba(0,208,255,0.15);--radius:12px;--radius-lg:20px;--font:'Poppins',sans-serif;--transition:0.2s ease}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.6;min-height:100vh;overflow-x:hidden}
body::before{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(0,208,255,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,208,255,0.03) 1px,transparent 1px);background-size:40px 40px;pointer-events:none;z-index:0}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--accent2);border-radius:3px}
h1,h2,h3,h4{font-weight:700;line-height:1.2}
h1{font-size:clamp(1.8rem,4vw,2.8rem)}h2{font-size:clamp(1.3rem,2.5vw,1.8rem)}h3{font-size:1.1rem}
a{color:var(--accent);text-decoration:none;transition:color var(--transition)}a:hover{color:#fff}
.container{max-width:1280px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.nav{position:sticky;top:0;z-index:100;background:rgba(7,8,15,0.85);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:0 24px}
.nav-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:32px;height:60px}
.nav-logo{font-size:1.1rem;font-weight:700;color:#fff;display:flex;align-items:center;gap:8px}
.nav-logo span{color:var(--accent)}
.nav-links{display:flex;gap:4px;flex:1}
.nav-links a{color:var(--text2);padding:6px 14px;border-radius:8px;font-size:.85rem;font-weight:500;transition:all var(--transition)}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:var(--bg3)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-user{display:flex;align-items:center;gap:8px;color:var(--text2);font-size:.85rem}
.nav-avatar{width:32px;height:32px;border-radius:50%;border:2px solid var(--accent2);object-fit:cover}
.nav-hc{display:flex;align-items:center;gap:6px;background:var(--bg3);border:1px solid var(--border);padding:4px 12px;border-radius:20px;font-size:.82rem;font-weight:600;color:var(--accent)}
.nav-hc::before{content:'◈';font-size:.9rem}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:var(--radius);font-family:var(--font);font-size:.88rem;font-weight:600;cursor:pointer;border:none;transition:all var(--transition);text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 0 20px var(--glow)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 30px rgba(0,208,255,0.3);color:#fff}
.btn-secondary{background:var(--bg3);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{border-color:var(--accent2);color:var(--text)}
.btn-sm{padding:6px 14px;font-size:.8rem}
.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:all var(--transition)}
.card:hover{border-color:rgba(0,208,255,0.25);transform:translateY(-2px)}
.game-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all .25s ease;cursor:pointer;display:block;text-decoration:none;color:inherit;position:relative}
.game-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 8px 32px var(--glow);color:inherit}
.game-card-thumb{width:100%;aspect-ratio:16/9;background:var(--bg3);display:flex;align-items:center;justify-content:center;font-size:3rem;position:relative;overflow:hidden}
.game-card-thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(to bottom,transparent 50%,var(--bg2))}
.game-card-body{padding:16px}
.game-card-title{font-size:1rem;font-weight:600;margin-bottom:4px}
.game-card-desc{font-size:.8rem;color:var(--text2);margin-bottom:12px}
.game-card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.badge{font-size:.7rem;font-weight:600;padding:2px 8px;border-radius:20px;letter-spacing:.03em}
.badge-blue{background:rgba(0,208,255,0.12);color:var(--accent);border:1px solid rgba(0,208,255,0.2)}
.badge-purple{background:rgba(123,97,255,0.12);color:var(--accent2);border:1px solid rgba(123,97,255,0.2)}
.badge-pink{background:rgba(255,61,138,0.12);color:var(--accent3);border:1px solid rgba(255,61,138,0.2)}
.badge-green{background:rgba(0,255,150,0.10);color:#00e87a;border:1px solid rgba(0,255,150,0.15)}
.games-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.section-title{font-size:1.2rem;font-weight:700}
.section-title span{color:var(--accent)}
.tabs{display:flex;gap:4px;background:var(--bg2);padding:4px;border-radius:var(--radius);border:1px solid var(--border);width:fit-content}
.tab{padding:7px 18px;border-radius:8px;font-size:.82rem;font-weight:600;color:var(--text2);cursor:pointer;border:none;background:none;font-family:var(--font);transition:all var(--transition)}
.tab.active{background:var(--bg3);color:var(--text);border:1px solid var(--border)}
.hc-badge{display:inline-flex;align-items:center;gap:4px;color:var(--accent);font-weight:700;font-size:.9rem}
.hc-badge::before{content:'◈'}
.toast-container{position:fixed;bottom:24px;right:24px;z-index:300;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);padding:12px 20px;font-size:.85rem;font-weight:500;animation:toastIn .3s ease;max-width:320px}
.toast.success{border-color:rgba(0,232,122,0.3);color:#00e87a}
.toast.error{border-color:rgba(255,61,138,0.3);color:var(--accent3)}
.toast.info{border-color:var(--border);color:var(--accent)}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}.mb-4{margin-bottom:32px}
.flex{display:flex}.gap-2{gap:8px}.gap-3{gap:16px}.items-center{align-items:center}.justify-between{justify-content:space-between}
.text-muted{color:var(--text2)}.text-accent{color:var(--accent)}.text-sm{font-size:.82rem}.w-full{width:100%}.hidden{display:none!important}
@media(max-width:768px){.nav-links{display:none}.games-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.container{padding:0 16px}}

/* ── Notifikace bell ── */
.nav-bell{position:relative;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--border);background:var(--bg2);cursor:pointer;color:var(--text2);transition:all .2s;flex-shrink:0}
.nav-bell:hover{color:var(--accent);border-color:var(--accent)}
.bell-badge{position:absolute;top:-4px;right:-4px;background:var(--accent3);color:#fff;font-size:.6rem;font-weight:700;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 3px;line-height:1;pointer-events:none}
.notif-panel{position:fixed;top:64px;right:16px;width:340px;max-height:480px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:0 8px 32px rgba(0,0,0,.5);z-index:200;display:none;flex-direction:column;overflow:hidden}
.notif-panel.open{display:flex}
.notif-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);font-size:.85rem;font-weight:600}
.notif-list{overflow-y:auto;flex:1;max-height:400px}
.notif-item{display:flex;gap:12px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.04);cursor:pointer;transition:background .15s;align-items:flex-start}
.notif-item:hover{background:var(--bg3)}
.notif-item.unread{background:rgba(0,208,255,.05);border-left:3px solid var(--accent)}
.notif-icon{font-size:1.1rem;flex-shrink:0;width:26px;text-align:center;margin-top:1px}
.notif-title{font-size:.82rem;font-weight:600;margin-bottom:2px}
.notif-body{font-size:.75rem;color:var(--text2);line-height:1.4}
.notif-time{font-size:.68rem;color:var(--text2);margin-top:3px}
.notif-empty{padding:40px 16px;text-align:center;color:var(--text2);font-size:.85rem}
@media(max-width:400px){.notif-panel{right:8px;left:8px;width:auto}}

/* ── User dropdown ── */
#userDropdown{border-radius:var(--radius);overflow:hidden}
.dd-link{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:.85rem;color:var(--text);border-bottom:1px solid rgba(255,255,255,.05);text-decoration:none;transition:background .15s;font-family:var(--font);font-weight:500}
.dd-link:last-child{border-bottom:none}
.dd-link:hover{background:var(--bg3);color:var(--text)}
.dd-link.danger{color:var(--accent3)}
.dd-link.danger:hover{background:rgba(255,61,138,.08)}

/* ── Responzivní design pro mobil ─────────────────────────── */
.login-short { display: none; }
.login-full  { display: inline; }

@media (max-width: 600px) {
    .login-full  { display: none; }
    .login-short { display: inline; }
    
    /* Nav */
    .nav-bar { padding: 0 10px; }
    .nav-logo { font-size: .9rem; }
    .nav-hc { display: none; }
    
    /* Herní grid */
    .games-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 10px !important;
        padding: 10px !important;
    }
    .game-card { padding: 12px !important; }
    .game-icon { font-size: 2rem !important; }
    .game-name { font-size: .85rem !important; }
    .game-desc { display: none; }
    
    /* Phaser canvas */
    #game-container canvas, canvas#gc {
        max-width: 100vw !important;
        height: auto !important;
    }
    
    /* Sidebar hide na mobilu */
    .sidebar { display: none !important; }
    
    /* HUD wrap */
    .hud-bar {
        gap: 6px !important;
        flex-wrap: wrap !important;
    }
    .hbox {
        min-width: 60px !important;
        padding: 5px 8px !important;
    }
    .hbox .v { font-size: .9rem !important; }
    
    /* HernaCookies */
    .gc-wrap { flex-direction: column !important; height: auto !important; }
    .gc-left { width: 100% !important; height: auto !important; position: static !important; }
    .gc-mid  { width: 100% !important; }
    .gc-right { display: none !important; }
    
    /* Leaderboard */
    .lb-row img { width: 28px !important; height: 28px !important; }
    
    /* Quiz */
    .answers { grid-template-columns: 1fr !important; }
    
    /* Fonts smaller */
    body { font-size: 14px; }
}

@media (max-width: 400px) {
    .games-grid {
        grid-template-columns: 1fr !important;
    }
}

/* Smooth canvas scaling */
canvas { max-width: 100%; }

/* Prevent body overflow */
body { overflow-x: hidden; }

/* Touch improvements */
button, .btn, .answer-btn, .upg-card, .game-card {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}