/* === Fonts === */
@font-face{font-family:'Inter';src:url('/assets/fonts/Inter-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Inter';src:url('/assets/fonts/Inter-Medium.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'Inter';src:url('/assets/fonts/Inter-SemiBold.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Inter';src:url('/assets/fonts/Inter-Bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'Inter';src:url('/assets/fonts/Inter-ExtraBold.woff2') format('woff2');font-weight:800;font-style:normal;font-display:swap}
@font-face{font-family:'JetBrains Mono';src:url('/assets/fonts/JetBrainsMono-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'JetBrains Mono';src:url('/assets/fonts/JetBrainsMono-Bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}

/* === Reset & Base === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent-hover)}
img{max-width:100%;height:auto}
input,select,textarea,button{font:inherit;color:inherit}

/* === CSS Variables (default dark theme) === */
:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #1e2130;
    --bg-input: #252838;
    --text-primary: #e4e6f0;
    --text-secondary: #8b8fa3;
    --text-muted: #5a5e73;
    --accent: #6c5ce7;
    --accent-hover: #7f71ed;
    --accent-light: rgba(108,92,231,0.15);
    --success: #00d68f;
    --danger: #ff4757;
    --warning: #ffc107;
    --border: #2a2d3e;
    --shadow: 0 2px 12px rgba(0,0,0,0.3);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: .2s ease;
    --header-height: 60px;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* === Header === */
.header{position:sticky;top:0;z-index:100;background:var(--bg-secondary);border-bottom:1px solid var(--border);height:var(--header-height)}
.header__inner{max-width:1200px;margin:0 auto;padding:0 20px;height:100%;display:flex;align-items:center;gap:24px}
.header__logo{display:flex;align-items:center;gap:8px;font-size:1.25rem;font-weight:700;color:var(--text-primary);white-space:nowrap}
.header__logo-icon{font-size:1.5rem}
.header__nav{display:flex;gap:4px;flex:1}
.header__link{padding:8px 14px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.9rem;font-weight:500;transition:all var(--transition);white-space:nowrap}
.header__link:hover{color:var(--text-primary);background:var(--bg-input)}
.header__link--active{color:var(--accent);background:var(--accent-light)}
.header__right{display:flex;align-items:center;gap:12px}
.header__user{display:flex;flex-direction:column;align-items:flex-end;line-height:1.2}
.header__username{font-size:.85rem;font-weight:600;color:var(--text-primary)}
.header__role{font-size:.7rem;padding:2px 8px;border-radius:20px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.header__role--user{background:rgba(139,143,163,0.2);color:var(--text-secondary)}
.header__role--premium{background:rgba(255,193,7,0.2);color:var(--warning)}
.header__role--vip{background:rgba(108,92,231,0.2);color:var(--accent)}
.header__role--moderator{background:rgba(0,214,143,0.2);color:var(--success)}
.header__role--admin{background:rgba(255,71,87,0.2);color:var(--danger)}
.header__burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.header__burger span{display:block;width:22px;height:2px;background:var(--text-primary);transition:all var(--transition);border-radius:2px}
.header__burger--open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.header__burger--open span:nth-child(2){opacity:0}
.header__burger--open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* === Language Switch === */
.lang-switch{display:flex;gap:4px;background:var(--bg-input);border-radius:var(--radius-sm);padding:3px}
.lang-switch__btn{padding:4px 10px;border:none;border-radius:6px;background:transparent;color:var(--text-secondary);font-size:.75rem;font-weight:600;cursor:pointer;transition:all var(--transition)}
.lang-switch__btn:not(:disabled):hover{color:var(--text-primary)}
.lang-switch__btn:not(:disabled):active{background:var(--accent);color:#fff}

/* === Mobile Nav === */
.mobile-nav{display:none;position:fixed;top:var(--header-height);left:0;right:0;background:var(--bg-secondary);border-bottom:1px solid var(--border);z-index:99;padding:12px 20px;flex-direction:column;gap:4px}
.mobile-nav--open{display:flex}
.mobile-nav__link{padding:12px 16px;border-radius:var(--radius-sm);color:var(--text-secondary);font-weight:500;transition:all var(--transition)}
.mobile-nav__link:hover{background:var(--bg-input);color:var(--text-primary)}
.mobile-nav__link--danger{color:var(--danger)}

/* === Main === */
.main{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:32px 20px}
.main--admin{max-width:1400px}

/* === Buttons === */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;cursor:pointer;transition:all var(--transition);text-decoration:none;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-hover);color:#fff}
.btn--secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border)}
.btn--secondary:hover{border-color:var(--accent);color:var(--accent)}
.btn--ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}
.btn--ghost:hover{color:var(--text-primary);border-color:var(--text-secondary)}
.btn--danger{background:var(--danger);color:#fff}
.btn--danger:hover{opacity:.9;color:#fff}
.btn--sm{padding:6px 14px;font-size:.8rem}
.btn--xs{padding:4px 10px;font-size:.75rem}
.btn--lg{padding:14px 32px;font-size:1rem}
.btn--block{width:100%}

/* === Form === */
.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.form-group label{font-size:.85rem;font-weight:500;color:var(--text-secondary)}
.form-group input,.form-group select,.form-group textarea{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-primary);font-size:.9rem;transition:border-color var(--transition)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent)}
.form-error{padding:10px;border-radius:var(--radius-sm);background:rgba(255,71,87,0.1);color:var(--danger);font-size:.85rem;margin-bottom:12px}
.form-success{padding:10px;border-radius:var(--radius-sm);background:rgba(0,214,143,0.1);color:var(--success);font-size:.85rem;margin-bottom:12px}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}

/* === Hero === */
.hero{text-align:center;padding:80px 20px 60px}
.hero__title{font-size:clamp(2rem,5vw,3.5rem);font-weight:800;margin-bottom:16px;background:linear-gradient(135deg,var(--accent),var(--success));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero__subtitle{font-size:1.1rem;color:var(--text-secondary);margin-bottom:32px;max-width:500px;margin-left:auto;margin-right:auto}

/* === Features === */
.features{padding:40px 20px}
.features__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;max-width:900px;margin:0 auto}
.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:all var(--transition)}
.feature-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.feature-card__icon{font-size:2.5rem;margin-bottom:16px}
.feature-card__title{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.feature-card__desc{font-size:.9rem;color:var(--text-secondary)}

/* === Auth Page === */
.auth-page{display:flex;justify-content:center;align-items:center;min-height:60vh}
.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;width:100%;max-width:420px}
.auth-card__title{font-size:1.5rem;font-weight:700;margin-bottom:24px;text-align:center}
.auth-card__footer{text-align:center;margin-top:20px;font-size:.9rem;color:var(--text-secondary)}
.auth-card__footer a{font-weight:600}

/* === Page Title === */
.page-title{font-size:1.75rem;font-weight:800;margin-bottom:24px}

/* === Levels === */
.levels-page{max-width:900px;margin:0 auto}
.levels-block{margin-bottom:40px}
.levels-block__header{margin-bottom:16px}
.levels-block__title{font-size:1.2rem;font-weight:700}
.levels-block__desc{font-size:.85rem;color:var(--text-secondary)}
.levels-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:8px}
.level-card{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:12px 8px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);text-decoration:none;transition:all var(--transition);position:relative;aspect-ratio:1}
.level-card:hover:not(.level-card--locked){border-color:var(--accent);transform:scale(1.05)}
.level-card__number{font-size:1.1rem;font-weight:700;color:var(--text-primary)}
.level-card__title{font-size:.65rem;color:var(--text-secondary);text-align:center;margin-top:4px;line-height:1.2}
.level-card__badge{position:absolute;top:4px;right:4px;font-size:.7rem;color:var(--success)}
.level-card__lock{position:absolute;top:4px;right:4px;font-size:.7rem}
.level-card--completed{border-color:var(--success);background:rgba(0,214,143,0.05)}
.level-card--completed .level-card__number{color:var(--success)}
.level-card--locked{opacity:.5;cursor:not-allowed}
.level-card--premium{border-color:var(--warning);border-style:dashed}

/* === Training === */
.training-page{position:relative}
.training-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.training-header__left{display:flex;align-items:center;gap:12px}
.training-header__title{font-size:1rem;font-weight:600}
.training-stats{display:flex;gap:16px}
.training-stat{text-align:center}
.training-stat__label{display:block;font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}
.training-stat__value{font-size:1.2rem;font-weight:700;font-family:var(--font-mono)}
.training-display{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:16px;position:relative}
.training-text{font-family:var(--font-mono);font-size:1.2rem;line-height:2;letter-spacing:1px;margin-bottom:16px;min-height:80px}
.training-input-area{position:relative}
.training-input{width:100%;min-height:120px;padding:16px;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-primary);font-family:var(--font-mono);font-size:1.1rem;letter-spacing:1px;resize:vertical;transition:border-color var(--transition)}
.training-input:focus{outline:none;border-color:var(--accent)}
.training-progress{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.training-progress__bar{flex:1;height:6px;background:var(--bg-input);border-radius:3px;overflow:hidden}
.training-progress__fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--success));border-radius:3px;transition:width .3s;width:0}
.training-progress__text{font-size:.85rem;font-weight:600;color:var(--text-secondary);min-width:40px}

/* Characters */
.char{transition:color .1s}
.char--correct{color:var(--success)}
.char--error{color:var(--danger);background:rgba(255,71,87,0.25);border-radius:2px;animation:error-flash .25s}
.char--current{background:var(--accent-light);border-radius:2px;animation:blink 1s infinite}
@keyframes blink{0%,100%{background:var(--accent-light)}50%{background:transparent}}
@keyframes error-flash{0%{background:rgba(255,71,87,0.4)}100%{background:transparent}}

/* Training display shake on error */
.training-display--shake{animation:shake .3s ease}
@keyframes shake{0%,100%{transform:translateX(0)}15%{transform:translateX(-6px)}30%{transform:translateX(5px)}45%{transform:translateX(-4px)}60%{transform:translateX(3px)}75%{transform:translateX(-2px)}}

/* Error stat pulse */
.stat-pulse{animation:stat-pulse .4s ease}
@keyframes stat-pulse{0%{transform:scale(1)}30%{transform:scale(1.4);color:var(--danger)}100%{transform:scale(1)}}

/* Floating error badge */
.error-badge{position:absolute;top:12px;right:12px;background:var(--danger);color:#fff;font-size:1.1rem;font-weight:800;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(0.5);transition:all .2s ease;pointer-events:none;z-index:10}
.error-badge--show{opacity:1;transform:scale(1)}

/* Mobile block */
.mobile-block{text-align:center;padding:60px 20px}
.mobile-block__icon{font-size:4rem;margin-bottom:16px}
.mobile-block__title{font-size:1.3rem;font-weight:700;margin-bottom:12px}
.mobile-block__desc{color:var(--text-secondary);margin-bottom:24px;max-width:400px;margin-left:auto;margin-right:auto}

/* Layout warning */
.layout-warning{background:rgba(255,193,7,0.15);border:1px solid var(--warning);border-radius:var(--radius-sm);padding:12px 20px;color:var(--warning);font-weight:600;text-align:center;margin-bottom:12px;opacity:0;transform:translateY(-8px);transition:all .3s ease;pointer-events:none}
.layout-warning--show{opacity:1;transform:translateY(0)}

/* Training Result */
.training-result{position:fixed;inset:0;background:rgba(0,0,0,0.6);display:flex;align-items:center;justify-content:center;z-index:200;backdrop-filter:blur(4px)}
.training-result__card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;max-width:400px;width:90%;text-align:center}
.training-result__title{font-size:1.5rem;font-weight:800;margin-bottom:20px}
.training-result__title--success{color:var(--success)}
.training-result__title--fail{color:var(--danger)}
.training-result__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}
.training-result__stat{text-align:center}
.training-result__label{display:block;font-size:.75rem;color:var(--text-muted);margin-bottom:4px}
.training-result__value{font-size:1.3rem;font-weight:700;font-family:var(--font-mono)}
.training-result__actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}

.training-timer-warning{position:fixed;bottom:20px;right:20px;background:rgba(255,193,7,0.15);border:1px solid var(--warning);border-radius:var(--radius-sm);padding:12px 20px;color:var(--warning);font-weight:600;z-index:150;font-size:.9rem}

/* Confetti */
.confetti-piece{position:fixed;top:-10px;width:10px;height:10px;border-radius:2px;z-index:300;animation:confetti-fall 2s ease-out forwards}
@keyframes confetti-fall{0%{transform:translateY(0) rotate(0);opacity:1}100%{transform:translateY(100vh) rotate(720deg);opacity:0}}

/* === Leaderboard === */
.leaderboard-page{max-width:800px;margin:0 auto}
.leaderboard-tabs{display:flex;gap:8px;margin-bottom:20px}
.leaderboard-tab{padding:8px 20px;border:1px solid var(--border);border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);font-weight:600;cursor:pointer;transition:all var(--transition)}
.leaderboard-tab--active{background:var(--accent);color:#fff;border-color:var(--accent)}
.leaderboard-tab:hover:not(.leaderboard-tab--active){border-color:var(--accent);color:var(--accent)}
.leaderboard-table-wrap{overflow-x:auto}
.leaderboard-table{width:100%;border-collapse:collapse}
.leaderboard-table th{text-align:left;padding:12px 16px;font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border)}
.leaderboard-table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:.9rem}
.leaderboard-table tr:hover{background:var(--bg-card)}
.leaderboard-rank{font-weight:700;font-size:1.1rem}
.leaderboard-user{font-weight:600}
.leaderboard-empty{text-align:center;padding:40px;color:var(--text-muted)}

/* === Profile === */
.profile-page{max-width:800px;margin:0 auto}
.profile-grid{display:grid;gap:20px}
.profile-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.profile-card__header{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.profile-card__name{font-size:1.2rem;font-weight:700}
.profile-card__subtitle{font-size:1rem;font-weight:700;margin-bottom:16px}
.profile-card__meta{font-size:.85rem;color:var(--text-secondary)}
.profile-avatar{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--success));display:flex;align-items:center;justify-content:center;flex-shrink:0}
.profile-avatar__initial{font-size:1.5rem;font-weight:800;color:#fff}
.profile-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:16px}
.profile-stat{text-align:center}
.profile-stat__value{display:block;font-size:1.5rem;font-weight:800;font-family:var(--font-mono)}
.profile-stat__label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}
.profile-form{max-width:400px}

/* === Premium === */
.premium-page{max-width:700px;margin:0 auto;text-align:center}
.premium-subtitle{color:var(--text-secondary);margin-bottom:32px}
.premium-active{background:rgba(0,214,143,0.1);border:1px solid var(--success);border-radius:var(--radius);padding:24px;color:var(--success);font-weight:600}
.premium-features{text-align:left;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px;margin-bottom:32px}
.premium-features h2{margin-bottom:16px}
.premium-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.premium-list__item{padding:12px 16px;background:var(--bg-input);border-radius:var(--radius-sm);font-size:.95rem}
.premium-form{max-width:500px;margin:0 auto;text-align:left}
.premium-pending{background:rgba(255,193,7,0.1);border:1px solid var(--warning);border-radius:var(--radius);padding:24px;color:var(--warning);font-weight:600}

/* === Admin === */
.admin-nav{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap}
.admin-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:24px}
.admin-stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px;text-align:center}
.admin-stat-card__value{display:block;font-size:1.8rem;font-weight:800;font-family:var(--font-mono)}
.admin-stat-card__label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}
.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.admin-section{margin-bottom:24px}
.admin-section__title{font-size:1rem;font-weight:700;margin-bottom:12px}
.admin-table-wrap{overflow-x:auto}
.admin-table{width:100%;border-collapse:collapse}
.admin-table th{text-align:left;padding:10px 12px;font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border)}
.admin-table td{padding:10px 12px;border-bottom:1px solid var(--border);font-size:.85rem}
.admin-table tr:hover{background:var(--bg-card)}
.admin-table__row--banned{opacity:.5}
.admin-role-select{background:var(--bg-input);border:1px solid var(--border);border-radius:6px;padding:4px 8px;font-size:.8rem;color:var(--text-primary)}
.admin-search,.admin-filters{display:flex;gap:8px;margin-bottom:16px;align-items:center;flex-wrap:wrap}
.admin-search input,.admin-filters select{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-primary);font-size:.85rem}
.admin-form{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}

/* === Pagination === */
.pagination{display:flex;gap:4px;justify-content:center;margin-top:20px}
.pagination__link{padding:8px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.85rem;transition:all var(--transition)}
.pagination__link--active{background:var(--accent);color:#fff;border-color:var(--accent)}
.pagination__link:hover:not(.pagination__link--active){border-color:var(--accent)}

/* === Badge === */
.badge{padding:3px 10px;border-radius:20px;font-size:.7rem;font-weight:600}
.badge--success{background:rgba(0,214,143,0.15);color:var(--success)}
.badge--danger{background:rgba(255,71,87,0.15);color:var(--danger)}

/* === Footer === */
.footer{border-top:1px solid var(--border);padding:20px;text-align:center;color:var(--text-muted);font-size:.8rem}

/* === Modal === */
.modal{position:fixed;inset:0;z-index:500;display:flex;align-items:center;justify-content:center}
.modal__overlay{position:absolute;inset:0;background:rgba(0,0,0,0.6);backdrop-filter:blur(4px)}
.modal__content{position:relative;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;width:90%;max-width:520px;max-height:90vh;overflow-y:auto;z-index:1}
.modal__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.modal__title{font-size:1.15rem;font-weight:700}
.modal__close{background:none;border:none;font-size:1.5rem;color:var(--text-secondary);cursor:pointer;padding:4px 8px;line-height:1}
.modal__close:hover{color:var(--text-primary)}
.modal__actions{display:flex;gap:8px;margin-top:16px}

/* === Admin Actions === */
.admin-actions{display:flex;gap:4px;flex-wrap:wrap}

/* === Responsive === */
@media (max-width: 768px) {
    .header__nav{display:none}
    .header__burger{display:flex}
    .header__user{display:none}
    .main{padding:20px 16px}
    .hero{padding:40px 16px 30px}
    .hero__title{font-size:2rem}
    .levels-grid{grid-template-columns:repeat(auto-fill,minmax(65px,1fr));gap:6px}
    .training-header{flex-direction:column;align-items:flex-start}
    .training-stats{gap:12px}
    .training-text{font-size:1rem}
    .training-input{font-size:.95rem;min-height:100px}
    .admin-grid{grid-template-columns:1fr}
    .admin-stats{grid-template-columns:repeat(2,1fr)}
    .training-result__card{padding:24px}
    .profile-stats{grid-template-columns:repeat(2,1fr)}
    .modal__content{padding:20px}
    .admin-actions{flex-direction:column}
}

@media (max-width: 480px) {
    .levels-grid{grid-template-columns:repeat(auto-fill,minmax(55px,1fr))}
    .level-card{padding:8px 4px}
    .level-card__number{font-size:.9rem}
    .level-card__title{font-size:.55rem}
    .features__grid{grid-template-columns:1fr}
    .training-stats{flex-wrap:wrap;gap:8px}
    .training-stat{min-width:60px}
}