@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;800&display=swap";:root{--base-font-size: 16px;--base-spacing: 20px;--base-line-height: 1.5;--base-border-radius: 8px;--ui-font-size: var(--base-font-size);--ui-spacing: var(--base-spacing);--ui-line-height: var(--base-line-height);--ui-border-radius: var(--base-border-radius);--primary-color: #007bff;--bg-color: #ffffff;--text-color: #212529;--surface-color: #f8f9fa;--shadow-color: rgba(0, 0, 0, .1)}.hidden{display:none!important}body{font-family:Inter,system-ui,-apple-system,sans-serif;font-size:var(--ui-font-size);line-height:var(--ui-line-height);color:var(--text-color);background-color:var(--bg-color);margin:0;transition:all var(--transition-duration, .3s) cubic-bezier(.4,0,.2,1)}header{height:80px;display:flex;align-items:center;background-color:#fffc;backdrop-filter:blur(10px);position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(0,0,0,.05)}header .container{display:flex;justify-content:space-between;align-items:center;width:100%}.settings-container{max-width:800px!important;margin:0 auto;padding:calc(var(--ui-spacing) * 2) 0}.settings-card{background:var(--surface-color);padding:calc(var(--ui-spacing) * 2);border-radius:calc(var(--ui-border-radius) * 2);box-shadow:0 10px 30px var(--shadow-color);border:1px solid rgba(0,0,0,.05)}.settings-card h2{margin-top:1.5rem;margin-bottom:1rem;font-size:1.25rem;border-bottom:2px solid var(--primary-color);display:inline-block}.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}.setting-item{display:flex;flex-direction:column;gap:.5rem}.setting-item label{font-weight:600;font-size:.9rem;color:#666}.setting-item input[type=range]{width:100%;cursor:pointer}.setting-item input[type=color]{width:50px;height:40px;padding:0;border:none;border-radius:4px;cursor:pointer}.setting-item select{padding:10px;border-radius:8px;border:1px solid #ddd;font-size:1rem;background:#fff}.setting-item.checkbox label{display:flex;align-items:center;gap:10px;cursor:pointer;color:var(--text-color)}.settings-actions{display:flex;gap:1rem;margin-top:2rem;padding-top:2rem;border-top:1px solid #eee}.primary-btn{background-color:var(--primary-color);color:#fff}.secondary-btn{background-color:transparent;border:1px solid #ddd;color:#666}.secondary-btn:hover{background:#f5f5f5}header .user-info{display:flex;align-items:center;gap:15px;font-size:.9rem;font-weight:600;padding:4px 12px;background:#00000008;border-radius:50px;border:1px solid rgba(0,0,0,.05)}#user-name{color:var(--text-color);opacity:.9}#sync-btn{padding:6px 14px;font-size:.85rem;font-weight:700;background:#fff;border:1px solid rgba(0,0,0,.1);color:var(--primary-color);box-shadow:0 2px 4px #0000000d;cursor:pointer;border-radius:20px;display:flex;align-items:center;gap:6px;transition:all .2s cubic-bezier(.4,0,.2,1)}#sync-btn:hover{background:var(--primary-color);color:#fff;transform:translateY(-1px);box-shadow:0 4px 8px #0000001a}#sync-btn:active{transform:translateY(0)}#auth-container{display:flex;align-items:center;min-height:40px}.logo{font-weight:800;font-size:1.5rem;letter-spacing:-.02em;color:var(--primary-color)}header ul{display:flex;list-style:none;gap:calc(var(--ui-spacing) * 1.5);margin:0;padding:0;align-items:center}header ul a{text-decoration:none;color:inherit;font-weight:500;opacity:.8;transition:opacity .2s;height:100%;display:flex;align-items:center}header ul a:hover{opacity:1}section{padding:calc(var(--ui-spacing) * 3) 0}.container{max-width:1100px;margin:0 auto;padding:0 var(--ui-spacing)}#hero{text-align:center;min-height:50vh;display:flex;flex-direction:column;justify-content:center;align-items:center}#hero h1{font-size:3.5rem;line-height:1.1;margin-bottom:var(--ui-spacing);font-weight:800;letter-spacing:-.03em}#hero p{font-size:1.25rem;max-width:600px;opacity:.7;margin-bottom:calc(var(--ui-spacing) * 2)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:calc(var(--ui-spacing) * 2);margin-top:calc(var(--ui-spacing) * 2)}.card{padding:calc(var(--ui-spacing) * 2);border-radius:var(--ui-border-radius);transition:transform .3s ease,box-shadow .3s ease}.card h3{margin-bottom:.5rem;font-size:1.5rem}.card p{opacity:.8;line-height:1.6}button{padding:1rem 2rem;border-radius:var(--ui-border-radius);border:none;background-color:var(--primary-color);color:#fff;cursor:pointer;font-size:1.1rem;font-weight:600;transition:all .3s ease;box-shadow:0 4px 12px #0000001a}button:hover{transform:translateY(-2px);box-shadow:0 6px 16px #00000026}