:root{--primary-color: #007AFF;--bg-color: #F5F7FA;--card-bg: #FFFFFF;--text-primary: #1D1D1F;--text-secondary: #86868B;--border-color: #E5E5E7;--sidebar-width: 260px;--ad-width: 300px;--max-width: 1440px;--header-height: 64px}[data-theme=dark]{--primary-color: #0A84FF;--bg-color: #000000;--card-bg: #1C1C1E;--text-primary: #F5F5F7;--text-secondary: #86868B;--border-color: #38383A}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}.layout-grid{display:grid;grid-template-columns:var(--sidebar-width) 1fr var(--ad-width);gap:24px;max-width:var(--max-width);margin:0 auto;padding:24px;width:100%}@media(max-width:1200px){.layout-grid{grid-template-columns:var(--sidebar-width) 1fr}.right-sidebar{display:none}}@media(max-width:900px){.layout-grid{grid-template-columns:1fr;padding:16px}.left-sidebar{display:none}}.card{background:var(--card-bg);border-radius:12px;border:1px solid var(--border-color);padding:24px;box-shadow:0 4px 6px -1px #0000001a}.ad-placeholder{background:#ebebeb;border:2px dashed #CCCCCC;display:flex;align-items:center;justify-content:center;color:#999;font-size:14px;min-height:250px;border-radius:8px}.toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{background:var(--text-primary);color:var(--bg-color);padding:12px 20px;border-radius:8px;font-size:.9rem;font-weight:500;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a;display:flex;align-items:center;justify-content:space-between;animation:slideUp .3s cubic-bezier(.16,1,.3,1);pointer-events:auto}.hamburger-line{width:20px;height:2px;background-color:var(--text-primary);transition:all .3s ease-in-out;border-radius:2px}.hamburger-line.open:nth-child(1){transform:translateY(6px) rotate(45deg)}.hamburger-line.open:nth-child(2){opacity:0}.hamburger-line.open:nth-child(3){transform:translateY(-6px) rotate(-45deg)}@media(max-width:900px){.hamburger-button{display:flex!important}}.mobile-menu-overlay{position:fixed;top:var(--header-height);left:0;right:0;bottom:0;background-color:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:999;animation:fadeIn .3s ease}.mobile-menu-container{position:absolute;top:0;left:0;width:280px;height:100%;background-color:var(--card-bg);padding:24px;display:flex;flex-direction:column;box-shadow:10px 0 30px #0000001a;animation:slideInLeft .3s cubic-bezier(.16,1,.3,1);border-right:1px solid var(--border-color)}[data-theme=dark] .mobile-menu-container{background-color:#1c1c1ef2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInLeft{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}