:root,[data-theme=light]{--color-bg: #ffffff;--color-text: #1a1a1b;--color-text-secondary: #787c7e;--color-tile-bg: #ffffff;--color-tile-border: #d3d6da;--color-tile-filled-border: #878a8c;--color-correct: #6aaa64;--color-present: #e8a735;--color-absent: #787c7e;--color-key-bg: #d3d6da;--color-header-bg: #ffffff;--color-header-border: #d3d6da;--color-modal-bg: #ffffff}[data-theme=dark]{--color-bg: #121213;--color-text: #d7dadc;--color-text-secondary: #818384;--color-tile-bg: #121213;--color-tile-border: #3a3a3c;--color-tile-filled-border: #565758;--color-correct: #538d4e;--color-present: #d4882b;--color-absent: #3a3a3c;--color-key-bg: #818384;--color-header-bg: #121213;--color-header-border: #3a3a3c;--color-modal-bg: #1a1a1b}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:Clear Sans,Helvetica Neue,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s ease,color .3s ease}body.game-active{overflow:hidden}.header{display:flex;align-items:center;justify-content:space-between;height:48px;border-bottom:1px solid var(--color-header-border);background:var(--color-header-bg);padding:0 8px;transition:background-color .3s ease,border-color .3s ease}.header-title{font-size:.75rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;white-space:nowrap;flex-shrink:1;overflow:hidden;text-overflow:ellipsis;min-width:0;padding:0 4px}@media(min-width:480px){.header-title{font-size:1.4rem;letter-spacing:.1em;padding:0}.header{padding:0 16px;height:56px}}.header-left,.header-right{display:flex;align-items:center;gap:2px;flex-shrink:0}.icon-btn{background:none;border:none;cursor:pointer;padding:2px;line-height:1;color:var(--color-text);font-size:1.3rem;border-radius:4px;transition:opacity .2s;display:flex;align-items:center;justify-content:center}.icon-btn svg{width:16px;height:16px}@media(min-width:480px){.icon-btn{padding:6px}.icon-btn svg{width:20px;height:20px}.header-left,.header-right{gap:8px}}.icon-btn:hover{opacity:.7}.icon-btn:active{transform:scale(.92)}.app-container{display:flex;flex-direction:column;height:calc(100dvh - 48px);max-width:500px;margin:0 auto;padding:8px 8px 4px;gap:4px}@media(min-width:480px){.app-container{height:calc(100dvh - 56px)}}.game-area{flex:1;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:0}.keyboard-area{flex-shrink:0;padding-bottom:env(safe-area-inset-bottom,4px)}.footer{text-align:center;padding:4px 0 6px;font-size:.65rem;color:var(--color-text-secondary);letter-spacing:.05em;opacity:.6}.footer a{color:var(--color-text-secondary);text-decoration:none}.footer a:hover{color:var(--color-present);text-decoration:underline}.guest-banner{text-align:center;padding:8px 16px;font-size:.8rem;color:var(--color-text-secondary);background:var(--color-tile-bg);border-bottom:1px solid var(--color-tile-border)}.guest-banner a{color:var(--color-correct);font-weight:700;text-decoration:none}.guest-banner a:hover{text-decoration:underline}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}