:root{
--bg:#f5f6fa;--sf:#fff;--sf2:#f8f9fc;--sf3:#eef0f5;
--bd:#e5e7eb;--bdh:#d1d5db;
--t:#1a1a2e;--t2:#64748b;--t3:#94a3b8;
--p:#4f46e5;--pl:#6366f1;--pd:#4338ca;
--ok:#10b981;--w:#f59e0b;--er:#ef4444;--info:#3b82f6;
--gr:linear-gradient(135deg,#4f46e5,#7c3aed);
--gp:linear-gradient(135deg,#10b981,#059669);
--r:10px;--rl:14px;--sh:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);
--shm:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);
--tr:.2s ease;--font:'Inter','Noto Sans SC',system-ui,sans-serif;--sw:220px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:14px}
body{font-family:var(--font);background:var(--bg);color:var(--t);min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font-family:inherit;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:var(--t);background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:10px 14px;outline:none;transition:var(--tr);width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--p);box-shadow:0 0 0 3px rgba(79,70,229,.1)}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12'%3E%3Cpath d='M3 4.5l3 3 3-3' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:var(--bd);border-radius:3px}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef2ff,#e0e7ff)}
.login-box{width:400px;padding:40px;background:#fff;border-radius:16px;box-shadow:var(--shm)}
.login-box .logo{display:flex;align-items:center;gap:10px;margin-bottom:28px;justify-content:center}
.login-box .logo .ico{width:40px;height:40px;border-radius:12px;background:var(--gr);display:flex;align-items:center;justify-content:center;font-size:20px}
.login-box .logo span{font-size:1.5rem;font-weight:800;color:var(--p)}
.login-box h2{text-align:center;font-size:1.25rem;margin-bottom:6px}
.login-box .sub{text-align:center;color:var(--t2);margin-bottom:24px;font-size:.875rem}
.login-box .f{margin-bottom:16px}
.login-box label{display:block;font-size:.813rem;color:var(--t2);margin-bottom:6px;font-weight:500}

/* Layout */
.app{display:flex;min-height:100vh}
.sidebar{width:var(--sw);background:#fff;border-right:1px solid var(--bd);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:50}
.sidebar .logo{padding:16px 20px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--bd)}
.sidebar .logo .ico{width:28px;height:28px;border-radius:8px;background:var(--gr);display:flex;align-items:center;justify-content:center;font-size:14px}
.sidebar .logo .txt{font-weight:800;font-size:1rem}
.sidebar .logo .txt span{color:var(--p)}
.sidebar .nav{flex:1;padding:12px;overflow-y:auto}
.nav-g{margin-bottom:16px}
.nav-gt{font-size:.688rem;font-weight:600;color:var(--t3);text-transform:uppercase;letter-spacing:.5px;padding:4px 12px;margin-bottom:4px}
.nav-i{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;font-size:.813rem;color:var(--t2);transition:var(--tr);cursor:pointer;font-weight:500}
.nav-i:hover{background:var(--sf2);color:var(--t)}
.nav-i.active{background:#eef2ff;color:var(--p);font-weight:600}
.nav-i .ic{width:20px;text-align:center;font-size:1rem}
.nav-i .cnt{margin-left:auto;font-size:.688rem;background:var(--sf3);padding:1px 8px;border-radius:50px;color:var(--t2)}
.sidebar .foot{padding:12px 16px;border-top:1px solid var(--bd)}
.sidebar .foot .trial{background:linear-gradient(135deg,#fef3c7,#fde68a);border-radius:10px;padding:12px;text-align:center;margin-bottom:8px}
.sidebar .foot .trial .title{font-size:.75rem;font-weight:700;color:#92400e;margin-bottom:4px}
.sidebar .foot .trial .desc{font-size:.688rem;color:#b45309;margin-bottom:8px}
.sidebar .foot .trial .btn{background:#f59e0b;color:white;font-size:.75rem;padding:6px 16px;border-radius:6px;font-weight:600}
.sidebar .foot .audit-n{display:flex;align-items:center;justify-content:center;gap:8px;padding:8px;font-size:.75rem;color:var(--t2)}
.sidebar .foot .audit-n .num{background:var(--p);color:white;padding:2px 8px;border-radius:50px;font-weight:700}

.main{margin-left:var(--sw);flex:1;display:flex;flex-direction:column}
.topbar{height:56px;border-bottom:1px solid var(--bd);display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:#fff}
.topbar .left{display:flex;align-items:center;gap:12px}
.topbar h1{font-size:1.0625rem;font-weight:700}
.topbar .actions{display:flex;gap:10px;align-items:center}
.content{padding:24px;flex:1}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-weight:600;font-size:.813rem;transition:var(--tr);white-space:nowrap}
.btn-p{background:var(--gr);color:#fff;box-shadow:0 1px 2px rgba(79,70,229,.3)}
.btn-p:hover{box-shadow:0 4px 12px rgba(79,70,229,.35);transform:translateY(-1px)}
.btn-p:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn-ok{background:var(--gp);color:#fff}
.btn-s{background:#fff;border:1px solid var(--bd);color:var(--t)}
.btn-s:hover{border-color:var(--p);color:var(--p)}
.btn-g{color:var(--t2)}
.btn-g:hover{color:var(--t);background:var(--sf2)}
.btn-sm{padding:6px 12px;font-size:.75rem}
.btn-er{background:#fef2f2;color:var(--er);border:1px solid #fecaca}

/* Cards */
.card{background:#fff;border:1px solid var(--bd);border-radius:var(--rl);padding:20px;box-shadow:var(--sh);transition:var(--tr)}
.card:hover{box-shadow:var(--shm)}
.card-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.card-h h3{font-size:.938rem;font-weight:700}
.card-h .sub{font-size:.75rem;color:var(--t2)}

.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}.g5{grid-template-columns:repeat(5,1fr)}

/* Stat */
.stat{padding:16px;border-radius:var(--r);background:#fff;border:1px solid var(--bd)}
.stat .lb{font-size:.688rem;color:var(--t2);margin-bottom:6px}
.stat .vl{font-size:1.5rem;font-weight:800;line-height:1}
.stat .ch{font-size:.688rem;margin-top:4px;font-weight:600}.stat .ch.up{color:var(--ok)}.stat .ch.dn{color:var(--er)}

/* Table */
.table{width:100%;border-collapse:collapse}
.table th{text-align:left;padding:10px 14px;font-size:.688rem;font-weight:600;color:var(--t2);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--bd);background:var(--sf2)}
.table td{padding:12px 14px;border-bottom:1px solid #f1f5f9;font-size:.813rem}
.table tr:hover td{background:#fafbfe}

/* Tags */
.tag{display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:50px;font-size:.688rem;font-weight:600}
.tag-ok{background:#ecfdf5;color:#059669}.tag-w{background:#fffbeb;color:#d97706}.tag-er{background:#fef2f2;color:#dc2626}.tag-info{background:#eff6ff;color:#2563eb}.tag-p{background:#eef2ff;color:#4f46e5}

/* Quick action cards */
.qa-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
.qa-card{padding:16px;border-radius:var(--r);background:#fff;border:1px solid var(--bd);cursor:pointer;transition:var(--tr)}
.qa-card:hover{border-color:var(--p);box-shadow:var(--shm)}
.qa-card .icon{font-size:1.5rem;margin-bottom:8px}
.qa-card h4{font-size:.875rem;font-weight:700;margin-bottom:4px}
.qa-card p{font-size:.688rem;color:var(--t2);line-height:1.5}

/* Modal */
.mo{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:100;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:var(--tr)}
.mo.show{opacity:1;pointer-events:auto}
.md{background:#fff;border-radius:16px;width:600px;max-width:90vw;max-height:80vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.15);transform:scale(.95);transition:var(--tr)}
.mo.show .md{transform:scale(1)}
.md-h{padding:20px 24px;border-bottom:1px solid var(--bd);display:flex;align-items:center;justify-content:space-between}
.md-h h3{font-size:1rem;font-weight:700}
.md-b{padding:24px}.md-f{padding:16px 24px;border-top:1px solid var(--bd);display:flex;justify-content:flex-end;gap:10px}
.fr{display:flex;gap:12px;margin-bottom:16px}.fg{flex:1}.fg label{display:block;font-size:.813rem;color:var(--t2);margin-bottom:6px;font-weight:500}

/* Analysis items */
.ai-item{padding:14px;border-radius:var(--r);background:#fff;border:1px solid var(--bd);text-align:center;transition:var(--tr)}
.ai-item.mentioned{border-color:#a7f3d0;background:#f0fdf4}
.ai-item.not-mentioned{border-color:#fecaca;background:#fef2f2}
.ai-item .pi{font-size:1.5rem;margin-bottom:4px}
.ai-item .pn{font-weight:600;font-size:.75rem}
.ai-item .rk{color:var(--p);font-weight:700;font-size:1rem}

/* Bars */
.bar-row{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.bar-row .nm{min-width:80px;font-size:.813rem;font-weight:600}
.bar-row .br{flex:1;height:24px;border-radius:12px;background:var(--sf3);overflow:hidden}
.bar-row .br .fl{height:100%;border-radius:12px;transition:width 1s ease;display:flex;align-items:center;justify-content:flex-end;padding-right:8px;font-size:.688rem;font-weight:700;color:#fff}
.bar-row .pc{min-width:50px;text-align:right;font-weight:700;font-size:.813rem}

/* Suggestions */
.sg{padding:14px;border-radius:var(--r);border:1px solid var(--bd);margin-bottom:10px;background:#fff}
.sg.critical{border-color:#fecaca;border-left:3px solid var(--er)}
.sg.high{border-color:#fde68a;border-left:3px solid var(--w)}
.sg.medium{border-color:#c7d2fe;border-left:3px solid var(--p)}
.sg h4{font-size:.875rem;margin-bottom:4px}.sg .ds{font-size:.75rem;color:var(--t2);margin-bottom:8px}
.sg .acts span{display:block;font-size:.75rem;color:var(--t2);padding:2px 0}.sg .acts span::before{content:'→ ';color:var(--p)}

/* KG nodes */
.kn{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border-radius:50px;font-size:.75rem;font-weight:600;margin:3px;border:2px solid}
.kn.brand{border-color:var(--p);background:#eef2ff;color:var(--p)}
.kn.category{border-color:var(--info);background:#eff6ff;color:var(--info)}
.kn.feature{border-color:var(--ok);background:#ecfdf5;color:var(--ok)}
.kn.use_case{border-color:var(--w);background:#fffbeb;color:var(--w)}
.kn.competitor{border-color:var(--er);background:#fef2f2;color:var(--er)}

/* Score ring */
.sr{width:100px;height:100px;margin:0 auto 12px;position:relative}
.sr svg{width:100%;height:100%;transform:rotate(-90deg)}
.sr .bg{fill:none;stroke:var(--sf3);stroke-width:6}
.sr .fg{fill:none;stroke:url(#sg);stroke-width:6;stroke-linecap:round;transition:stroke-dashoffset 1.5s ease}
.sr .v{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:800}

/* Empty */
.empty{text-align:center;padding:40px 20px;color:var(--t3)}
.empty .ei{font-size:2.5rem;margin-bottom:8px;opacity:.5}
.empty p{font-size:.813rem;margin-bottom:12px}

/* Citation */
.ci{display:flex;align-items:center;gap:10px;padding:10px;border-radius:8px;background:var(--sf2);border:1px solid #f1f5f9;margin-bottom:6px}
.ci .dm{font-weight:600;font-size:.813rem;min-width:140px}
.ci .tp{font-size:.625rem;padding:2px 6px;border-radius:50px;background:#eef2ff;color:var(--p)}
.ci .cb{flex:1;height:6px;border-radius:3px;background:var(--sf3);overflow:hidden}
.ci .cb .fl{height:100%;border-radius:3px;background:var(--gr);transition:width .8s ease}
.ci .ct{font-size:.688rem;color:var(--t2);min-width:50px;text-align:right}

/* ===== Toast ===== */
#toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 20px;border-radius:10px;font-size:.813rem;font-weight:500;color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.15);animation:toastIn .3s ease;min-width:240px;display:flex;align-items:center;gap:8px;pointer-events:auto}
.toast.success{background:#059669}.toast.error{background:#dc2626}.toast.info{background:#2563eb}.toast.warn{background:#d97706}
.toast.out{animation:toastOut .3s ease forwards}
@keyframes toastIn{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}
@keyframes toastOut{from{opacity:1;transform:translateX(0)}to{opacity:0;transform:translateX(40px)}}

/* ===== Loading spinner ===== */
.loading{display:flex;align-items:center;justify-content:center;gap:8px;padding:24px;color:var(--t3);font-size:.813rem}
.spinner{width:18px;height:18px;border:2px solid var(--sf3);border-top-color:var(--p);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Responsive */
@media(max-width:768px){
.sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}.main{margin-left:0}
.g2,.g3,.g4,.g5,.qa-grid{grid-template-columns:1fr}.fr{flex-direction:column}
}