.btn,.result-box,.tool-footer,.tool-header{text-align:center}:root{--font-primary:'Poppins',sans-serif;--primary-color:#4f46e5;--primary-color-dark:#3730a3;--secondary-color:#e5e7eb;--secondary-color-hover:#d1d5db;--copy-color:#10b981;--copy-color-hover:#059669;--download-color:#14b8a6;--download-color-hover:#0d9488;--bg-light:linear-gradient(135deg, #f0f4ff, #e6f7ff);--bg-dark:linear-gradient(135deg, #111827, #1e293b);--container-bg-light:rgba(255, 255, 255, 0.7);--container-bg-dark:rgba(29, 39, 54, 0.7);--text-light:#1f2937;--text-dark:#e5e7eb;--label-light:#4b5563;--label-dark:#9ca3af;--shadow-sm:0 4px 6px -1px rgba(0, 0, 0, 0.1),0 2px 4px -2px rgba(0, 0, 0, 0.1);--shadow-md:0 10px 15px -3px rgba(0, 0, 0, 0.1),0 4px 6px -2px rgba(0, 0, 0, 0.1);--shadow-lg:0 20px 25px -5px rgba(0, 0, 0, 0.2),0 8px 10px -6px rgba(0, 0, 0, 0.2)}*,::after,::before{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-primary);background:var(--bg-light);color:var(--text-light);display:flex;justify-content:center;align-items:flex-start;min-height:100vh;padding:1.5rem;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.tool-container{width:100%;max-width:800px;background-color:var(--container-bg-light);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:1rem;padding:1.5rem;box-shadow:var(--shadow-md);transition:transform .3s,box-shadow .3s}.tool-container:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.tool-header{margin-bottom:2rem}.tool-header h1{font-size:2rem;font-weight:700;color:var(--primary-color-dark)}.tool-footer{margin-top:2rem;font-size:.8rem;color:var(--label-light)}.btn,textarea{font-family:var(--font-primary);font-size:1rem}.btn-secondary,textarea{color:var(--text-light)}.tool-footer a{color:var(--primary-color);text-decoration:none;font-weight:600}.tool-footer a:hover{text-decoration:underline}textarea{width:100%;padding:1rem;background-color:rgba(243,244,246,.8);border:2px solid transparent;border-radius:.75rem;box-shadow:inset 0 2px 4px 0 rgba(0,0,0,.05);transition:border-color .3s,box-shadow .3s;resize:vertical}textarea:focus{outline:0;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(79,70,229,.2)}.button-group{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}.btn{padding:.8rem 1.5rem;font-weight:600;border:none;border-radius:.5rem;cursor:pointer;transition:transform .2s,background-color .2s,box-shadow .2s;box-shadow:var(--shadow-sm)}.btn:hover{transform:scale(1.05)}.btn:active{transform:scale(1);box-shadow:none}.btn-secondary{background-color:var(--secondary-color)}.btn-secondary:hover{background-color:var(--secondary-color-hover)}.btn-action-copy{background-color:var(--copy-color);color:#fff}.btn-action-copy:hover{background-color:var(--copy-color-hover);box-shadow:0 4px 14px 0 rgba(16,185,129,.39)}.btn-action-download{background-color:var(--download-color);color:#fff}.btn-action-download:hover{background-color:var(--download-color-hover);box-shadow:0 4px 14px 0 rgba(20,184,166,.39)}.action-buttons{margin-top:2rem}.results-area{margin-top:2.5rem}.results-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.result-box{padding:1rem;border-radius:.75rem}.result-label{display:block;font-size:.9rem;font-weight:600;margin-bottom:.25rem}.result-value{display:block;font-size:2.25rem;font-weight:700;line-height:1}.result-box.words{background-color:rgba(239,246,255,.8);color:#1e40af}.result-box.characters{background-color:rgba(245,243,255,.8);color:#5b21b6}.result-box.sentences{background-color:rgba(236,254,255,.8);color:#0891b2}.result-box.paragraphs{background-color:rgba(236,253,245,.8);color:#047857}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}:focus-visible{outline:3px solid var(--primary-color);outline-offset:2px}textarea:focus-visible{outline:0}@media (min-width:640px){body{padding:2rem;align-items:center}.tool-container{padding:2.5rem}.tool-header h1{font-size:2.5rem}.button-group{flex-direction:row}.btn{flex-grow:1}.results-grid{grid-template-columns:repeat(4,1fr)}}