*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bd-blue: #0031b2;--bd-blue-400: #3f94ff;--bd-blue-200: #cce2ff;--bd-green-dark: #007948;--bd-green: #16b364;--bd-green-light: #aaf0c4;--bd-orange: #f47f2d;--bd-black: #111927;--bd-gray: #9ca3ad;--bd-gray-light: #f3f4f6;--bd-white: #ffffff;--font: "Be Vietnam Pro", system-ui, sans-serif;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1), 0 2px 4px rgba(0, 0, 0, .06);--transition: .2s ease}html{font-family:var(--font);color:var(--bd-black);background:var(--bd-gray-light);-webkit-font-smoothing:antialiased}body{min-height:100vh}.auth-loading{display:flex;align-items:center;justify-content:center;min-height:100vh}.spinner{width:40px;height:40px;border:3px solid var(--bd-blue-200);border-top-color:var(--bd-blue);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bd-blue);position:relative;overflow:hidden}.login-page:before{content:"";position:absolute;right:-200px;top:-200px;width:800px;height:800px;background:var(--bd-blue-400);border-radius:50%;opacity:.3}.login-card{position:relative;background:var(--bd-white);border-radius:var(--radius);padding:48px;text-align:center;max-width:400px;width:90%;box-shadow:var(--shadow-md)}.login-logo{height:48px;margin-bottom:24px}.login-card h1{font-size:24px;font-weight:600;margin-bottom:8px;color:var(--bd-black)}.login-card p{color:var(--bd-gray);margin-bottom:32px;font-size:14px}.btn-login{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-size:15px;font-weight:500;cursor:pointer;background:var(--bd-blue);color:var(--bd-white);transition:opacity var(--transition)}.btn-login:hover{opacity:.9}.header{background:var(--bd-blue);color:var(--bd-white);padding:0 32px;height:64px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.header-left{display:flex;align-items:center;gap:24px}.header-logo{height:32px}.header-title{font-size:16px;font-weight:500;opacity:.9;border-left:1px solid rgba(255,255,255,.25);padding-left:24px}.header-right{display:flex;align-items:center;gap:12px}.header-user{font-size:13px;opacity:.8}.header-btn{background:#ffffff26;color:var(--bd-white);border:none;border-radius:var(--radius-sm);padding:6px 14px;font-family:var(--font);font-size:13px;font-weight:500;cursor:pointer;transition:background var(--transition);display:inline-flex;align-items:center;gap:6px}.header-btn:hover{background:#ffffff40}.main{max-width:1200px;margin:0 auto;padding:32px}.search-bar{position:relative;margin-bottom:32px}.search-bar svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--bd-gray)}.search-input{width:100%;padding:14px 16px 14px 48px;border:1.5px solid transparent;border-radius:var(--radius);font-family:var(--font);font-size:15px;background:var(--bd-white);box-shadow:var(--shadow);transition:border-color var(--transition),box-shadow var(--transition)}.search-input:focus{outline:none;border-color:var(--bd-blue-400);box-shadow:var(--shadow),0 0 0 3px var(--bd-blue-200)}.search-input::placeholder{color:var(--bd-gray)}.link-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}.link-card{background:var(--bd-white);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:box-shadow var(--transition),transform var(--transition);position:relative;display:flex;flex-direction:column;gap:12px;text-decoration:none;color:inherit;cursor:pointer}.link-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.link-card-icon{width:44px;height:44px;border-radius:10px;background:var(--bd-blue-200);color:var(--bd-blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}.link-card-icon svg{width:22px;height:22px}.link-card-name{font-size:17px;font-weight:600;color:var(--bd-black)}.link-card-description{font-size:14px;color:var(--bd-gray);line-height:1.5;flex:1}.link-card-arrow{color:var(--bd-gray);transition:color var(--transition),transform var(--transition)}.link-card:hover .link-card-arrow{color:var(--bd-blue);transform:translate(2px)}.empty-state{text-align:center;padding:80px 20px;color:var(--bd-gray)}.empty-state svg{width:64px;height:64px;margin-bottom:16px;opacity:.4}.empty-state h3{font-size:18px;font-weight:600;color:var(--bd-black);margin-bottom:8px}.empty-state p{font-size:14px}@media(max-width:768px){.header{padding:0 16px}.header-title{display:none}.main{padding:20px 16px}.link-grid{grid-template-columns:1fr}}