:root{--color-bg: #0a0a0f;--color-bg-card: #12121a;--color-bg-hover: #1a1a25;--color-primary: #6366f1;--color-primary-hover: #818cf8;--color-secondary: #22d3ee;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-text: #f8fafc;--color-text-muted: #94a3b8;--color-border: #1e293b;--gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, .2) 0%, rgba(139, 92, 246, .2) 100%);--shadow-glow: 0 0 40px rgba(99, 102, 241, .3);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}a{color:var(--color-primary);text-decoration:none;transition:color .2s}a:hover{color:var(--color-primary-hover)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 14px #6366f166}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6366f180}.btn-secondary{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg-hover);border-color:var(--color-primary)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px}.card-glow{box-shadow:var(--shadow-glow)}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;font-size:.875rem;font-weight:500;color:var(--color-text-muted)}.form-input{width:100%;padding:12px 16px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-size:1rem;transition:border-color .2s,box-shadow .2s}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f133}.form-input::placeholder{color:var(--color-text-muted)}.form-error{margin-top:8px;font-size:.875rem;color:var(--color-error)}.password-input-wrapper{position:relative}.password-input-wrapper .form-input{padding-right:48px}.password-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;font-size:1.25rem;color:var(--color-text);opacity:.6;transition:opacity .2s;padding:4px}.password-toggle:hover{opacity:1}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.page{min-height:100vh;display:flex;flex-direction:column}.main{flex:1;padding:40px 0}.header{padding:20px 0;border-bottom:1px solid var(--color-border);background:#0a0a0fcc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:100}.header-inner{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav{display:flex;gap:24px;align-items:center}.nav-link{color:var(--color-text-muted);font-weight:500;transition:color .2s}.nav-link:hover,.nav-link.active{color:var(--color-text)}.hero{text-align:center;padding:80px 0}.hero-title{font-size:3rem;font-weight:800;margin-bottom:24px;background:linear-gradient(135deg,#fff,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.25rem;color:var(--color-text-muted);max-width:600px;margin:0 auto 40px}.auth-container{max-width:400px;margin:60px auto}.auth-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:32px}.auth-footer{text-align:center;margin-top:24px;color:var(--color-text-muted)}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}.bookmark-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px;transition:transform .2s,box-shadow .2s}.bookmark-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px #0000004d}.bookmark-title{font-size:1rem;font-weight:600;margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bookmark-price{display:flex;gap:12px;align-items:baseline;margin-bottom:12px}.price-current{font-size:1.5rem;font-weight:700;color:var(--color-success)}.price-target{font-size:.875rem;color:var(--color-text-muted)}.badge{display:inline-block;padding:4px 10px;border-radius:20px;font-size:.75rem;font-weight:600}.badge-sale{background:#ef444433;color:var(--color-error)}.badge-watching{background:#6366f133;color:var(--color-primary)}.toast{position:fixed;bottom:24px;right:24px;padding:16px 24px;border-radius:var(--radius-md);font-weight:500;animation:slideIn .3s ease;z-index:1000}.toast-success{background:var(--color-success);color:#fff}.toast-error{background:var(--color-error);color:#fff}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@media (max-width: 768px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.dashboard-grid{grid-template-columns:1fr}}