:root{--bg: #0f1419;--bg-elevated: #1a222d;--bg-card: #222c3a;--border: #2e3a4d;--text: #e8eef7;--text-muted: #94a3b8;--accent: #5eead4;--accent-dim: #2dd4bf;--accent-glow: rgba(94, 234, 212, .15);--danger: #f87171;--warning: #fbbf24;--radius: 12px;--font: "DM Sans", system-ui, sans-serif;--font-display: "Fraunces", Georgia, serif}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,textarea,select{font-family:inherit}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--border);background:#0f1419d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:50}.logo{font-family:var(--font-display);font-size:1.35rem;font-weight:700;color:var(--text);display:flex;align-items:center;gap:.5rem}.logo span{color:var(--accent)}.nav-links{display:flex;gap:1.25rem;align-items:center;flex-wrap:wrap}.nav-links a{color:var(--text-muted);font-weight:500;font-size:.95rem;text-decoration:none}.nav-links a:hover,.nav-links a.active{color:var(--accent)}.app-main{flex:1;padding:1.5rem;max-width:1200px;margin:0 auto;width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.65rem 1.25rem;border-radius:999px;border:none;cursor:pointer;font-weight:600;font-size:.95rem;transition:transform .15s,box-shadow .15s,background .15s}.btn:active{transform:scale(.98)}.btn-primary{background:linear-gradient(135deg,var(--accent-dim),#14b8a6);color:#042f2e;box-shadow:0 4px 24px var(--accent-glow)}.btn-primary:hover{box-shadow:0 6px 32px #2dd4bf59}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover{border-color:var(--accent);color:var(--text)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem 1.5rem}.card-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.hero{text-align:center;padding:3rem 1rem 4rem}.hero h1{font-family:var(--font-display);font-size:clamp(2rem,5vw,3rem);margin:0 0 1rem;line-height:1.15}.hero p{color:var(--text-muted);max-width:540px;margin:0 auto 2rem;font-size:1.1rem}.form-stack{display:flex;flex-direction:column;gap:1rem;max-width:400px;margin:0 auto}label{display:flex;flex-direction:column;gap:.35rem;font-size:.85rem;color:var(--text-muted)}input,textarea,select{padding:.65rem .85rem;border-radius:8px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text)}input:focus,textarea:focus{outline:2px solid var(--accent-glow);border-color:var(--accent-dim)}.alert{padding:.75rem 1rem;border-radius:8px;font-size:.9rem}.alert-error{background:#f871711f;color:var(--danger);border:1px solid rgba(248,113,113,.3)}.alert-success{background:var(--accent-glow);color:var(--accent);border:1px solid rgba(94,234,212,.3)}.score-ring{width:120px;height:120px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;border:4px solid var(--accent);box-shadow:inset 0 0 40px var(--accent-glow)}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}@media(max-width:768px){.compare-grid{grid-template-columns:1fr}}.slate-editor{min-height:200px;padding:1rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elevated)}.slate-editor:focus-within{border-color:var(--accent-dim)}.badge{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.75rem;font-weight:600;background:var(--accent-glow);color:var(--accent)}