:root{--primary: #ff6b35;--primary-hover: #ff8a3d;--accent: #fff5f0;--mobile-top-appbar: 56px;--mobile-bottom-appbar: 64px;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#fafafa;color:var(--gray-900);line-height:1.6}.app-container{display:flex;min-height:100vh}:root{--sidebar-width: 260px;--sidebar-bg: #ffffff;--sidebar-border: #f1f5f9;--sidebar-fg: #334155;--sidebar-fg-hover: #0f172a;--sidebar-active-bg: #f1f5f9;--sidebar-active-fg: #0f172a}.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);border-right:1px solid 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3rem}.landing-hero-title{max-width:600px;font-size:2rem;font-weight:700;line-height:1.2;color:#fff;margin-bottom:12px}.landing-hero-subtitle{max-width:500px;font-size:15px;color:#ffffffe6;margin-bottom:20px}.landing-hero-btn{display:inline-flex;align-items:center;gap:8px;width:fit-content;background:#fff;color:var(--primary);padding:12px 24px;border-radius:10px;border:none;font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.landing-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:2rem}.landing-stat-card{display:flex;align-items:center;gap:12px;padding:1.25rem}.landing-stat-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#ff6b351a,#ff8a3d1a);display:flex;align-items:center;justify-content:center;flex-shrink:0}.landing-stat-value{font-size:1.5rem;font-weight:700;color:var(--gray-900);line-height:1}.landing-stat-label{font-size:.875rem;color:var(--gray-500);margin-top:4px}@media (max-width: 768px){.landing-hero{height:240px;border-radius:12px}.landing-hero-content{padding:0 1.5rem}.landing-hero-title{font-size:1.5rem}.landing-hero-subtitle{font-size:14px}.landing-stats{grid-template-columns:1fr;gap:12px}.landing-stat-card{padding:1rem}.product-grid{grid-template-columns:repeat(2,1fr);gap:1rem}}@media (max-width: 480px){.landing-hero{height:200px}.landing-hero-content{padding:0 1rem}.landing-hero-title{font-size:1.25rem}.landing-hero-subtitle{font-size:13px;margin-bottom:16px}.landing-hero-btn{padding:10px 20px;font-size:14px}.landing-stat-icon{width:40px;height:40px}.landing-stat-value{font-size:1.25rem}}.auth-container{display:grid;grid-template-columns:1.2fr 1fr;min-height:100vh;background:#fff}.auth-branding{background:#fff;border:1px solid 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rgba(255,255,255,.08)}.phone-center{transform:scale(1.05)}.phone-status-bar{position:absolute;top:14px;left:20px;color:#cfe4ff;font-weight:700;letter-spacing:.02em}.phone-content{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(120% 80% at 50% 20%,#00b4ff26,#0000 60%)}.metrics{display:flex;gap:2rem}.metric-value{font-size:2rem;font-weight:700;color:#fff}.metric-label{opacity:.85;color:#f1f5f9}.badge-cloudflare{padding:.25rem .5rem;border-radius:6px;background:#f1f5f9;color:#0f172a;font-weight:600;font-size:.8125rem}.auth-form-side{width:440px;background:#fff;padding:2rem 1.5rem}.auth-form-container{max-width:400px}.auth-header h2{font-size:1.625rem;margin-bottom:.25rem}.auth-header p{font-size:.9rem}.auth-form{background:#fff;border:1px solid var(--gray-200);border-radius:12px;box-shadow:0 6px 18px #0000000f;padding:1.25rem;gap:1rem}.form-input{background:#eef2ff;border-color:#e5e7eb}.form-input:focus{background:#fff}.auth-remember,.auth-message{margin-top:-.25rem}.auth-submit{margin-top:.25rem;height:48px;border-radius:12px}.mobile-top-appbar{position:fixed;top:0;left:0;right:0;height:var(--mobile-top-appbar);background:#fff;border-bottom:1px solid var(--gray-200);display:none;align-items:center;justify-content:space-between;padding:0 12px;z-index:1000;box-shadow:0 6px 16px #0000000f}.mobile-appbar-left{display:flex;align-items:center;gap:10px}.mobile-back-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--gray-200);background:#fff;display:flex;align-items:center;justify-content:center}.mobile-appbar-title{font-weight:700;font-size:1rem;color:var(--gray-900)}.mobile-appbar-actions{display:flex;align-items:center;gap:8px}.mobile-icon-btn{width:36px;height:36px;border-radius:10px;border:1px solid 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svg{color:#fff}.profile-coin-info{flex:1}.profile-coin-label{font-size:.875rem;color:var(--gray-600);margin-bottom:.25rem}.profile-coin-value{font-size:2rem;font-weight:700;color:var(--gray-900)}.profile-section{margin-bottom:2rem}.profile-section-title{font-size:1.125rem;font-weight:600;margin-bottom:1rem}.profile-info-grid{display:grid;gap:1rem}.profile-info-item{display:flex;align-items:center;gap:1rem;padding:1.25rem;background:#fff;border:1px solid var(--gray-200);border-radius:12px}.profile-info-icon{width:48px;height:48px;border-radius:10px;background:var(--gray-100);display:flex;align-items:center;justify-content:center;flex-shrink:0}.profile-info-icon svg{color:var(--gray-600)}.profile-info-label{font-size:.875rem;color:var(--gray-600);margin-bottom:.25rem}.profile-info-value{font-size:1rem;font-weight:600;color:var(--gray-900)}.profile-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.profile-action-btn{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:1rem 1.5rem;background:#fff;border:1px solid var(--gray-200);border-radius:12px;font-size:.9375rem;font-weight:600;color:var(--gray-700);cursor:pointer;transition:all .2s}.profile-action-btn:hover{background:var(--gray-50);border-color:var(--primary);color:var(--primary)}.profile-action-btn svg{color:var(--gray-500)}.buycoins-balance-card{display:flex;align-items:center;gap:1.5rem;padding:1.5rem;background:#fff;border:1px solid var(--gray-200);border-radius:12px}.buycoins-balance-icon{width:60px;height:60px;border-radius:12px;background:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.buycoins-balance-icon svg{color:#fff}.buycoins-balance-label{font-size:.875rem;color:var(--gray-600);margin-bottom:.25rem}.buycoins-balance-value{font-size:2rem;font-weight:700;color:var(--gray-900)}.buycoins-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem}.buycoins-card{position:relative;padding:1.5rem;background:#fff;border:2px solid var(--gray-200);border-radius:16px;cursor:pointer;transition:all .3s}.buycoins-card:hover{border-color:var(--primary);box-shadow:0 8px 24px #0000001a;transform:translateY(-4px)}.buycoins-card.selected{border-color:var(--primary);background:var(--gray-50)}.buycoins-card.popular{border-color:var(--primary)}.buycoins-badge{position:absolute;top:-12px;right:1rem;padding:.375rem .75rem;background:var(--primary);color:#fff;font-size:.75rem;font-weight:700;border-radius:12px;box-shadow:0 4px 12px #ff6b354d}.buycoins-card-header{text-align:center;margin-bottom:1.5rem}.buycoins-card-icon{width:56px;height:56px;margin:0 auto 1rem;border-radius:12px;background:#fff;display:flex;align-items:center;justify-content:center}.buycoins-card-icon svg{color:#f59e0b}.buycoins-card-amount{font-size:2.5rem;font-weight:800;color:var(--gray-900);line-height:1}.buycoins-card-unit{font-size:1rem;color:var(--gray-600);margin-top:.25rem}.buycoins-card-price{text-align:center;font-size:1.5rem;font-weight:700;color:var(--primary);margin-bottom:1.5rem}.buycoins-card-features{display:grid;gap:.75rem;margin-bottom:1.5rem}.buycoins-feature{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--gray-700)}.buycoins-feature svg{color:#10b981;flex-shrink:0}.buycoins-card button{width:100%}.buycoins-note{display:flex;gap:1rem;padding:1.25rem;background:#fffbeb;border:1px solid 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.2s}.appbar-item svg{width:24px;height:24px}.appbar-item.active{color:var(--primary)}.appbar-item.active svg{stroke:var(--primary)}@media (max-width: 768px){.mobile-appbar{display:flex;height:var(--mobile-bottom-appbar);align-items:center}.main-content{padding-bottom:calc(var(--mobile-bottom-appbar) + 12px)}}