*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#1a1a2e;--primary-light:#16213e;--accent:#e94560;--accent-hover:#d63851;--bg:#f8f9fa;--card-bg:#ffffff;--text:#1a1a2e;--text-light:#6c757d;--border:#e9ecef;--success:#28a745;--shadow:0 2px 8px rgba(0,0,0,.08);--shadow-hover:0 4px 20px rgba(0,0,0,.12);--radius:12px;--font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,'Helvetica Neue',Arial,sans-serif,'Apple Color Emoji','Segoe UI Emoji','Segoe UI Symbol';--nav-top:60px}
[data-theme="dark"]{--primary:#0f0f23;--primary-light:#1a1a3e;--bg:#121212;--card-bg:#1e1e2e;--text:#e4e4e4;--text-light:#9ca3af;--border:#2d2d44;--shadow:0 2px 8px rgba(0,0,0,.3);--shadow-hover:0 4px 20px rgba(0,0,0,.5)}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;transition:background .3s,color .3s}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}

/* Header */
.header{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;padding:0;position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,0,0,.15)}
.header-inner{max-width:1200px;margin:0 auto;padding:1rem 1.5rem;display:flex;flex-wrap:wrap;align-items:center;gap:.75rem}
.header-logo{font-size:1.5rem;font-weight:800;color:#fff;display:flex;align-items:center;gap:.5rem}
.header-logo:hover{text-decoration:none;opacity:.9}
.header-logo span{font-size:1.8rem}
.header-controls{display:flex;align-items:center;gap:.75rem;margin-left:auto;flex-wrap:wrap}

/* Header buttons */
.header-btn{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.2);padding:.4rem .65rem;border-radius:8px;cursor:pointer;font-size:.85rem;display:flex;align-items:center;gap:.35rem;transition:background .2s;white-space:nowrap}
.header-btn:hover{background:rgba(255,255,255,.25)}

/* Search */
.search-form{display:flex;gap:0}
.search-form input{padding:.5rem 1rem;border:none;border-radius:8px 0 0 8px;font-size:.875rem;outline:none;width:180px;background:rgba(255,255,255,.15);color:#fff;transition:background .2s}
.search-form input::placeholder{color:rgba(255,255,255,.6)}
.search-form input:focus{background:rgba(255,255,255,.25)}
.search-form button{padding:.5rem 1rem;border:none;border-radius:0 8px 8px 0;background:var(--accent);color:#fff;cursor:pointer;font-size:.875rem;transition:background .2s}
.search-form button:hover{background:var(--accent-hover)}

/* Language Switcher */
.lang-switcher{position:relative;display:inline-block}
.lang-btn{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.2);padding:.4rem .75rem;border-radius:8px;cursor:pointer;font-size:.8rem;display:flex;align-items:center;gap:.4rem;transition:background .2s}
.lang-btn:hover{background:rgba(255,255,255,.25)}
.lang-btn .arrow{font-size:.6rem;transition:transform .2s}
.lang-switcher.open .lang-btn .arrow{transform:rotate(180deg)}
.lang-dropdown{position:absolute;top:100%;right:0;margin-top:4px;background:var(--card-bg);border-radius:8px;box-shadow:var(--shadow-hover);min-width:160px;display:none;z-index:200;overflow:hidden}
.lang-switcher.open .lang-dropdown{display:block}
.lang-dropdown a{display:flex;align-items:center;gap:.5rem;padding:.6rem 1rem;color:var(--text);font-size:.875rem;transition:background .15s}
.lang-dropdown a:hover{background:var(--bg);text-decoration:none}
.lang-dropdown a.active{font-weight:600;background:rgba(233,69,96,.08);color:var(--accent)}

/* Navigation */
.nav{background:var(--card-bg);border-bottom:1px solid var(--border);position:sticky;top:60px;z-index:50}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex;flex-wrap:wrap;gap:0}
.nav-inner>a{display:block;padding:.6rem 1rem;color:var(--text-light);font-size:.82rem;font-weight:500;border-bottom:2px solid transparent;transition:all .2s}
.nav-inner a:hover{color:var(--accent);border-bottom-color:var(--accent);text-decoration:none}
.nav-inner a.active{color:var(--accent);border-bottom-color:var(--accent)}
.nav-more{position:relative;display:flex;align-items:center}
.nav-more-btn{background:none;border:none;color:var(--text-light);font-size:.82rem;font-weight:500;cursor:pointer;padding:.6rem 1rem;border-bottom:2px solid transparent;transition:all .2s;font-family:inherit;white-space:nowrap}
.nav-more-btn:hover{color:var(--accent);border-bottom-color:var(--accent)}
.nav-dropdown{position:absolute;top:100%;left:0;margin-top:0;background:var(--card-bg);border-radius:0 0 8px 8px;box-shadow:var(--shadow-hover);min-width:220px;display:none;z-index:200;overflow:hidden;border:1px solid var(--border);border-top:none}
.nav-more.open .nav-dropdown{display:block}
.nav-dropdown a{display:flex;align-items:center;gap:.5rem;padding:.6rem 1rem;color:var(--text);font-size:.82rem;transition:background .15s;border-bottom:1px solid var(--border)}
.nav-dropdown a:hover{background:var(--bg);text-decoration:none}
.nav-dropdown a.active{font-weight:600;background:rgba(233,69,96,.08);color:var(--accent)}

/* Main */
.main{flex:1;max-width:1200px;margin:0 auto;padding:2rem 1.5rem;width:100%}

/* Breadcrumbs */
.breadcrumbs{font-size:.8rem;color:var(--text-light);margin-bottom:1.5rem;display:flex;flex-wrap:wrap;gap:.4rem}
.breadcrumbs a{color:var(--text-light)}
.breadcrumbs a:hover{color:var(--accent)}
.breadcrumbs .sep{color:var(--text-light);opacity:.4}
.breadcrumbs .current{color:var(--text)}

/* Page heading */
.page-heading{margin-bottom:2rem}
.page-heading h1{font-size:2rem;font-weight:800;margin-bottom:.5rem;line-height:1.2}
.page-heading p{color:var(--text-light);font-size:1.05rem;max-width:720px}

/* Category grid on home */
.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;margin-bottom:3rem}
.category-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;text-align:center;transition:all .2s;cursor:pointer}
.category-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--accent)}
.category-card .icon{font-size:2.2rem;display:block;margin-bottom:.5rem}
.category-card .name{font-weight:600;font-size:.95rem;color:var(--text)}
.category-card .count{font-size:.8rem;color:var(--text-light);margin-top:.25rem}

/* Character Grid */
.char-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:.75rem}
.char-card{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;padding:.7rem .5rem;text-align:center;cursor:pointer;transition:all .2s;position:relative;user-select:none}
.char-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--accent)}
.char-card:active{transform:translateY(0);box-shadow:var(--shadow)}
.char-card .char{font-size:2rem;display:block;line-height:1.3;margin-bottom:.25rem}
.char-card .name{font-size:.68rem;color:var(--text-light);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.char-card .alt-code{font-size:.65rem;color:var(--accent);display:block;margin-top:2px;opacity:0;transition:opacity .2s}
.char-card:hover .alt-code{opacity:1}
.char-card .copied-badge{position:absolute;top:4px;right:28px;background:var(--success);color:#fff;font-size:.6rem;padding:2px 6px;border-radius:4px;opacity:0;transition:opacity .2s;pointer-events:none}
.char-card.copied .copied-badge{opacity:1}
.char-card .fav-btn{position:absolute;top:3px;right:3px;background:none;border:none;cursor:pointer;font-size:1rem;padding:2px;color:var(--text-light);transition:color .2s,transform .2s;line-height:1;z-index:2}
.char-card .fav-btn:hover{transform:scale(1.2)}
.char-card .fav-btn.active{color:#f59e0b}
.char-card .entity-codes{display:flex;gap:3px;justify-content:center;margin-top:2px;opacity:0;transition:opacity .2s}
.char-card:hover .entity-codes{opacity:1}
.char-card .entity-codes .entity-tag{font-size:.55rem;padding:1px 4px;border-radius:3px;cursor:pointer;transition:background .2s;font-family:monospace}
.char-card .entity-codes .entity-tag.html{background:#e8f5e9;color:#2e7d32}
.char-card .entity-codes .entity-tag.css{background:#e3f2fd;color:#1565c0}
.char-card .entity-codes .entity-tag.uni{background:#fce4ec;color:#c62828}
[data-theme="dark"] .entity-tag.html{background:#1b5e20;color:#a5d6a7}
[data-theme="dark"] .entity-tag.css{background:#0d47a1;color:#90caf9}
[data-theme="dark"] .entity-tag.uni{background:#4a1a2e;color:#ef9a9a}

/* Alt detail */
.alt-detail{font-size:.75rem;color:var(--text-light);display:flex;gap:1rem;justify-content:center;margin-top:2px;opacity:0;transition:opacity .2s}
.char-card:hover .alt-detail{opacity:1}

/* Category description */
.category-desc{margin-bottom:2rem;color:var(--text-light);font-size:.95rem;line-height:1.7}

/* Home hero */
.hero{text-align:center;padding:3rem 1rem;margin-bottom:2rem}
.hero h1{font-size:2.5rem;font-weight:800;margin-bottom:1rem}
.hero p{font-size:1.1rem;color:var(--text-light);max-width:600px;margin:0 auto 1.5rem}
.hero-stats{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap}
.hero-stats div{font-size:.9rem;color:var(--text-light)}
.hero-stats strong{font-size:1.5rem;color:var(--text);display:block}

/* Toast */
.toast{position:fixed;bottom:2rem;right:2rem;background:var(--primary);color:#fff;padding:.75rem 1.5rem;border-radius:10px;font-size:.9rem;box-shadow:0 4px 20px rgba(0,0,0,.2);transform:translateY(100px);opacity:0;transition:all .4s;z-index:999;pointer-events:none}
.toast.show{transform:translateY(0);opacity:1}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:500;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .3s}
.modal-overlay.active{opacity:1;visibility:visible}
.modal{background:var(--card-bg);border-radius:var(--radius);padding:2rem;max-width:420px;width:90%;box-shadow:0 20px 60px rgba(0,0,0,.3);transform:scale(.9);transition:transform .3s;position:relative;max-height:90vh;overflow-y:auto}
.modal-overlay.active .modal{transform:scale(1)}
.modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-light);transition:color .2s}
.modal-close:hover{color:var(--text)}
.modal-char{font-size:4rem;display:block;text-align:center;margin-bottom:.5rem}
.modal-name{font-size:1.2rem;font-weight:700;text-align:center;margin-bottom:.25rem}
.modal-codes{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin:1.5rem 0}
.modal-code{background:var(--bg);padding:.6rem .8rem;border-radius:8px;text-align:center}
.modal-code .label{font-size:.7rem;color:var(--text-light);display:block;text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}
.modal-code .value{font-size:.9rem;font-weight:600;font-family:monospace}
.modal-copy-btn{width:100%;padding:.6rem;border:none;border-radius:8px;background:var(--accent);color:#fff;font-size:.9rem;cursor:pointer;transition:background .2s}
.modal-copy-btn:hover{background:var(--accent-hover)}
.modal-fav-btn{width:100%;padding:.6rem;border:1px solid var(--border);border-radius:8px;background:var(--card-bg);color:var(--text);font-size:.9rem;cursor:pointer;margin-top:.5rem;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:.4rem}
.modal-fav-btn:hover{border-color:var(--accent)}
.modal-fav-btn.active{background:#fef3c7;border-color:#f59e0b;color:#92400e}
[data-theme="dark"] .modal-fav-btn.active{background:#4a3a0b;border-color:#f59e0b;color:#fde68a}

/* Favorites page */
.fav-page-heading{display:flex;align-items:center;gap:.75rem;margin-bottom:1.5rem}
.fav-page-heading h1{font-size:1.8rem;font-weight:800}
.fav-page-heading .fav-count{font-size:.85rem;color:var(--text-light)}
.fav-empty{text-align:center;padding:3rem 1rem;color:var(--text-light)}
.fav-empty .icon{font-size:3rem;display:block;margin-bottom:1rem}
.fav-empty p{font-size:1rem}

/* Footer */
.footer{background:var(--primary);color:rgba(255,255,255,.7);padding:2.5rem 1.5rem;margin-top:3rem}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem}
.footer-title{color:#fff;font-size:1rem;font-weight:700;margin-bottom:1rem}
.footer a{color:rgba(255,255,255,.6);font-size:.85rem;display:block;margin-bottom:.4rem;transition:color .2s}
.footer a:hover{color:#fff;text-decoration:none}
.footer-langs{display:flex;flex-wrap:wrap;gap:.5rem}
.footer-langs a{display:inline-block;background:rgba(255,255,255,.08);padding:.3rem .7rem;border-radius:6px;font-size:.8rem}
.footer-bottom{max-width:1200px;margin:2rem auto 0;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1);text-align:center;font-size:.82rem;color:rgba(255,255,255,.4)}

/* Responsive */
@media(max-width:768px){
  .header-inner{padding:.75rem 1rem}
  .header-logo{font-size:1.2rem}
  .header-btn{font-size:.75rem;padding:.3rem .5rem}
  .search-form input{width:100px}
  .nav-inner>a{padding:.5rem .7rem;font-size:.75rem}
  .main{padding:1rem}
  .char-grid{grid-template-columns:repeat(auto-fill,minmax(85px,1fr));gap:.5rem}
  .char-card{padding:.5rem}
  .char-card .char{font-size:1.5rem}
  .char-card .name{font-size:.6rem}
  .char-card .entity-codes .entity-tag{font-size:.5rem;padding:1px 3px}
  .page-heading h1{font-size:1.5rem}
  .hero h1{font-size:1.8rem}
  .hero-stats{gap:1rem}
  .category-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
  .footer-inner{grid-template-columns:1fr}
  .modal{padding:1.5rem}
  .modal-char{font-size:3rem}
}

@media(max-width:480px){
  .char-grid{grid-template-columns:repeat(auto-fill,minmax(70px,1fr))}
  .search-form input{width:70px;font-size:.75rem}
  .lang-btn{font-size:.7rem;padding:.3rem .5rem}
  .keypad{max-width:220px}
  .keypad button{padding:.6rem;font-size:1rem}
}

/* Print */
@media print{
  .header,.nav,.footer,.search-form,.lang-switcher,.fav-btn,.entity-codes,.modal-overlay{display:none}
  .char-card{border:1px solid #ddd;break-inside:avoid}
}