@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,600;0,700;0,800;1,600;1,700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap");:root{--font-heading:"Playfair Display",Georgia,serif;--font-sans:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,sans-serif;--bg-main:#f8fafc;--bg-card:#ffffff;--bg-subtle:#f1f5f9;--border-subtle:#e2e8f0;--border-focus:#818cf8;--primary:#4f46e5;--primary-hover:#4338ca;--primary-light:#eef2ff;--primary-glow:rgba(99,102,241,0.25);--text-main:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.07),0 2px 4px -2px rgba(0,0,0,0.05);--shadow-lg:0 10px 25px -5px rgba(0,0,0,0.1),0 8px 10px -6px rgba(0,0,0,0.05);--shadow-glow:0 8px 25px -4px rgba(79,70,229,0.3)}*{box-sizing:border-box;margin:0;padding:0}body,html{background-color:var(--bg-main);color:var(--text-main);font-family:var(--font-sans);min-height:100vh;-webkit-font-smoothing:antialiased}::selection{background:#c7d2fe;color:#1e1b4b}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:99px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(1turn)}}@keyframes pulseGlow{0%,to{box-shadow:0 0 0 0 rgba(99,102,241,.4)}50%{box-shadow:0 0 0 8px rgba(99,102,241,0)}}.animate-fade-in{animation:fadeIn .3s cubic-bezier(.16,1,.3,1) forwards}.animate-spin{animation:spin .8s linear infinite}.glass-nav{background:rgba(255,255,255,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle)}.glass-card{background:#ffffff;border:1px solid var(--border-subtle);border-radius:1.25rem;box-shadow:var(--shadow-md);transition:all .2s cubic-bezier(.16,1,.3,1)}.glass-card:hover{border-color:#cbd5e1;box-shadow:var(--shadow-lg)}.button-primary{background:var(--primary);color:#ffffff;border:none;border-radius:.875rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;box-shadow:var(--shadow-glow)}.button-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 12px 28px -4px rgba(79,70,229,.4)}.button-primary:active:not(:disabled){transform:translateY(0)}.button-primary:disabled{background:#cbd5e1;color:#94a3b8;box-shadow:none;cursor:not-allowed}.tone-card{border:1px solid var(--border-subtle);background:#ffffff;border-radius:.875rem;padding:1rem;cursor:pointer;transition:all .2s ease;text-align:left}.tone-card:hover{border-color:#a5b4fc;background:#f8fafc}.tone-card.active{border-color:var(--primary);background:var(--primary-light);box-shadow:0 0 0 3px var(--primary-glow)}