.tool-container{max-width:900px;margin:0 auto;padding:4rem 1.5rem}.tool-header{text-align:center;margin-bottom:3rem}.tool-header h1{background:linear-gradient(135deg, var(--text-primary), var(--text-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:1rem;font-size:2.5rem}.tool-header p{color:var(--text-secondary);font-size:1.1rem}.platforms-nav{flex-wrap:wrap;justify-content:center;gap:.5rem;margin-bottom:2rem;display:flex}.platform-btn{border-radius:var(--radius-full);border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-secondary);cursor:pointer;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-weight:600;transition:all .2s;display:flex}.platform-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.platform-btn.active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.counter-layout{grid-template-columns:1fr 300px;align-items:start;gap:2rem;display:grid}.text-panel{flex-direction:column;gap:1rem;display:flex}.text-area-wrapper{border-radius:var(--radius-lg);border:1px solid var(--border-color);background:var(--bg-secondary);box-shadow:var(--shadow-sm);transition:border-color .2s;position:relative;overflow:hidden}.text-area-wrapper:focus-within{border-color:var(--accent-primary)}.text-area-wrapper.over-limit{border-color:#ef4444}.main-textarea{resize:vertical;width:100%;min-height:350px;color:var(--text-primary);background:0 0;border:none;padding:1.5rem;font-size:1.1rem;line-height:1.6}.main-textarea:focus{outline:none}.progress-bar-container{background:var(--bg-tertiary);width:100%;height:6px}.progress-bar{background:var(--accent-primary);height:100%;transition:width .3s,background-color .3s}.progress-bar.warning{background:#f59e0b}.progress-bar.danger{background:#ef4444}.actions-row{justify-content:space-between;display:flex}.stats-panel{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:1.5rem;position:sticky;top:100px}.stat-grid{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.stat-box{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);text-align:center;padding:1rem}.stat-box.full-width{background:var(--bg-tertiary);grid-column:1/-1}.stat-box.limit-box{border-color:var(--accent-primary)}.stat-box.limit-box.danger{background-color:#ef44440d;border-color:#ef4444}.stat-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem;font-size:.85rem}.stat-value{color:var(--text-primary);font-size:1.5rem;font-weight:700}.stat-value.danger{color:#ef4444}@media (max-width:900px){.counter-layout{grid-template-columns:1fr}.stats-panel{position:static}}