.app-container{max-w:1200px;margin:0 auto;padding:2rem;display:flex;flex-direction:column;gap:2rem;min-height:100vh}.header{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;border-bottom:1px solid var(--glass-border)}.header-logo{display:flex;align-items:center;gap:12px;font-size:1.5rem;font-weight:700;letter-spacing:-.5px}.header-logo svg{color:var(--accent-primary)}.header-nav nav{display:flex;gap:1rem}.header-nav a{color:var(--text-muted);text-decoration:none;font-size:.95rem;font-weight:500;transition:color .2s ease}.header-nav a:hover{color:var(--text-main)}.main-wrapper{display:grid;grid-template-columns:1fr;gap:2rem}@media (min-width: 992px){.main-wrapper{grid-template-columns:3fr 2fr;align-items:start}}.workspace{display:flex;flex-direction:column;gap:1.5rem}.workspace-header{display:flex;justify-content:space-between;align-items:center}.workspace-header h2{font-size:1.25rem;font-weight:600}.textarea-container{position:relative;width:100%}.text-input{width:100%;min-height:350px;background:#0003;border:1px solid var(--glass-border);border-radius:12px;padding:1.5rem;color:var(--text-main);font-family:inherit;font-size:1rem;line-height:1.6;resize:vertical;outline:none;transition:border-color .3s ease}.text-input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 2px #6d28d933}.character-count{position:absolute;bottom:20px;right:20px;font-size:.85rem;color:var(--text-muted);background:var(--bg-card);padding:4px 10px;border-radius:12px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.results-panel{padding:2rem;display:flex;flex-direction:column;gap:2rem}.results-header{text-align:center}.results-header h3{font-size:1.5rem;margin-bottom:.5rem}.results-header p{color:var(--text-muted);font-size:.9rem}.score-chart-container{position:relative;width:200px;height:200px;margin:0 auto;display:flex;align-items:center;justify-content:center}.score-chart-svg{transform:rotate(-90deg);width:100%;height:100%}.score-chart-circle-bg{fill:none;stroke:#ffffff0d;stroke-width:12}.score-chart-circle{fill:none;stroke-width:12;stroke-linecap:round;transition:stroke-dashoffset 1s ease-out,stroke .5s ease}.score-value{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center}.score-percentage{font-size:3rem;font-weight:700;line-height:1}.score-label{font-size:.85rem;text-transform:uppercase;letter-spacing:1px;margin-top:5px;font-weight:600}.details-list{display:flex;flex-direction:column;gap:1rem}.detail-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:#ffffff08;border-radius:8px}.detail-label{color:var(--text-muted);font-size:.9rem}.detail-value{font-weight:600;font-size:1.1rem}.highlight-viewer{margin-top:2rem}.highlight-viewer h3{margin-bottom:1rem;font-size:1.2rem}.highlight-box{background:var(--bg-card);border:1px solid var(--glass-border);padding:1.5rem;border-radius:12px;font-size:1rem;line-height:1.8;max-height:400px;overflow-y:auto}.token{padding:0 2px;border-radius:3px;transition:background-color .2s ease}.token.ai{background-color:#ef444433;color:#fca5a5;border-bottom:1px solid rgba(239,68,68,.5)}.token.human{background-color:#10b9811a}.empty-state{text-align:center;color:var(--text-muted);padding:3rem 1rem;display:flex;flex-direction:column;align-items:center;gap:1rem}.empty-state svg{color:var(--glass-border);width:64px;height:64px}:root{--bg-dark: #0a0a0c;--bg-card: rgba(25, 25, 30, .6);--bg-card-hover: rgba(35, 35, 45, .8);--glass-border: rgba(255, 255, 255, .08);--text-main: #f0f0f5;--text-muted: #8e8e9e;--accent-primary: #6d28d9;--accent-secondary: #0ea5e9;--accent-gradient: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);--ai-color: #ef4444;--human-color: #10b981;--mixed-color: #f59e0b;font-family:Inter,system-ui,-apple-system,sans-serif;color-scheme:dark}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);min-height:100vh;background-image:radial-gradient(circle at 15% 50%,rgba(109,40,217,.15) 0%,transparent 25%),radial-gradient(circle at 85% 30%,rgba(14,165,233,.15) 0%,transparent 25%);background-attachment:fixed;overflow-x:hidden}.glass-panel{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:16px;transition:all .3s ease}.glass-panel:hover{background:var(--bg-card-hover);border-color:#ffffff26;box-shadow:0 8px 32px #0000004d}.glow-text{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-glow{0%{box-shadow:0 0 #6d28d966}70%{box-shadow:0 0 0 10px #6d28d900}to{box-shadow:0 0 #6d28d900}}.animate-fade-in{animation:fadeIn .5s ease-out forwards}.btn-primary{background:var(--accent-gradient);color:#fff;border:none;border-radius:8px;padding:10px 24px;font-weight:600;font-size:1rem;cursor:pointer;transition:transform .2s ease,filter .2s ease;display:flex;align-items:center;justify-content:center;gap:8px}.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.1);animation:pulse-glow 2s infinite}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;animation:none}