:root{
  --navy:#0B1220;
  --navy-2:#131E33;
  --bg:#F3F5FA;
  --card:#FFFFFF;
  --blue:#2F6FED;
  --blue-deep:#1D4FC4;
  --amber:#F5A623;
  --green:#17A673;
  --red:#E5484D;
  --ink:#131B2E;
  --muted:#6B7280;
  --line:#E4E7F0;
  --radius:14px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{background:var(--bg);color:var(--ink);font-family:'Inter',sans-serif;-webkit-font-smoothing:antialiased;}
h1,h2,h3,.display{font-family:'Space Grotesk',sans-serif;}
.mono{font-family:'IBM Plex Mono',monospace;}

/* ---------- Auth pages ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(circle at 20% 20%, #16234A 0%, var(--navy) 55%);}
.auth-card{background:#fff;border-radius:18px;padding:36px 34px;width:100%;max-width:380px;box-shadow:0 30px 60px rgba(11,18,32,.35);}
.auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px;}
.auth-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--blue-deep));
  display:flex;align-items:center;justify-content:center;color:#fff;font-family:'Space Grotesk';font-weight:700;}
.auth-brand-name{font-family:'Space Grotesk';font-weight:700;font-size:19px;}
.auth-card h1{font-size:19px;margin:0 0 4px;}
.auth-card .sub{font-size:12.5px;color:var(--muted);margin:0 0 22px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:11.5px;font-weight:600;color:var(--navy);margin-bottom:5px;}
.field input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:13.5px;font-family:'Inter';}
.field input:focus{outline:2px solid var(--blue);outline-offset:1px;}
.auth-error{background:#FDE7E8;color:#B4232B;font-size:12.5px;padding:9px 12px;border-radius:8px;margin-bottom:14px;}
.auth-btn{width:100%;padding:11px;border:none;border-radius:9px;background:var(--blue);color:#fff;font-weight:600;
  font-size:14px;cursor:pointer;font-family:'Inter';margin-top:4px;}
.auth-btn:hover{background:var(--blue-deep);}
.auth-foot{margin-top:16px;font-size:12.5px;color:var(--muted);text-align:center;}
.auth-foot a{color:var(--blue-deep);text-decoration:none;font-weight:600;}

/* ---------- App shell ---------- */
.app{display:flex;min-height:100vh;}
.sidebar{width:290px;flex:0 0 290px;background:linear-gradient(180deg,var(--navy) 0%, var(--navy-2) 100%);
  color:#fff;padding:26px 20px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.brand-mark{width:34px;height:34px;border-radius:9px;background:radial-gradient(circle at 30% 30%, var(--blue), var(--blue-deep));
  display:flex;align-items:center;justify-content:center;font-family:'Space Grotesk';font-weight:700;font-size:16px;
  box-shadow:0 0 0 1px rgba(255,255,255,.08), 0 6px 16px rgba(47,111,237,.35);}
.brand-name{font-family:'Space Grotesk';font-weight:700;font-size:19px;letter-spacing:.2px;}
.brand-sub{font-size:11.5px;color:#8B97AE;margin:0 0 22px 0;letter-spacing:.3px;}

.nav-links{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.nav-links a{color:#C7D1E8;text-decoration:none;font-size:13px;font-weight:600;padding:9px 12px;border-radius:9px;
  display:flex;align-items:center;gap:8px;}
.nav-links a:hover{background:rgba(255,255,255,.06);}
.nav-links a.active{background:rgba(47,111,237,.18);color:#fff;}

.upload-zone{border:1.5px dashed rgba(255,255,255,.22);border-radius:var(--radius);padding:18px 14px;text-align:center;
  cursor:pointer;transition:border-color .15s, background .15s;background:rgba(255,255,255,.02);}
.upload-zone:hover, .upload-zone.drag{border-color:var(--blue);background:rgba(47,111,237,.08);}
.upload-title{font-size:13.5px;font-weight:600;margin:2px 0 3px;}
.upload-hint{font-size:11px;color:#8B97AE;line-height:1.5;}
.upload-zone input{display:none;}

.side-section-label{font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:#66728A;margin:22px 0 10px;font-weight:600;}

.history-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;flex:1;overflow-y:auto;}
.history-item{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:10px;cursor:pointer;
  border:1px solid transparent;transition:background .12s, border-color .12s;}
.history-item:hover{background:rgba(255,255,255,.05);}
.history-item.active{background:rgba(47,111,237,.16);border-color:rgba(47,111,237,.4);}
.history-item .h-name{font-size:13px;font-weight:600;color:#F1F4FB;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.history-item .h-meta{font-size:10.5px;color:#7C8AA3;display:flex;justify-content:space-between;gap:8px;}
.history-item .h-uploader{font-size:10px;color:#546086;}
.history-empty{font-size:12px;color:#5E6B84;padding:6px 12px;line-height:1.6;}
.history-item .h-del{align-self:flex-end;margin-top:-14px;font-size:10px;color:#5E6B84;background:none;border:none;cursor:pointer;padding:2px 4px;}
.history-item .h-del:hover{color:var(--red);}

.sidebar-user{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:14px;margin-top:10px;
  border-top:1px solid rgba(255,255,255,.08);}
.sidebar-user .u-name{font-size:12.5px;font-weight:600;color:#E6EAF5;}
.sidebar-user a{font-size:11px;color:#8B97AE;text-decoration:none;}
.sidebar-user a:hover{color:#fff;}

/* ---------- Main content ---------- */
.main{flex:1;min-width:0;padding:30px 34px 60px;}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:78vh;color:var(--muted);}
.empty-state .e-mark{width:64px;height:64px;border-radius:16px;margin-bottom:18px;background:linear-gradient(135deg,var(--blue),var(--blue-deep));
  display:flex;align-items:center;justify-content:center;}
.empty-state h2{font-size:22px;margin:0 0 8px;color:var(--ink);}
.empty-state p{max-width:380px;font-size:14px;line-height:1.6;margin:0;}

.report-header{background:linear-gradient(120deg,var(--navy) 0%, var(--blue-deep) 130%);border-radius:var(--radius);
  padding:22px 26px;color:#fff;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:20px;}
.report-header .rh-title{font-size:22px;font-weight:700;letter-spacing:.2px;}
.report-header .rh-sub{font-size:12.5px;color:#AFC0E8;margin-top:3px;}
.rh-badges{display:flex;gap:22px;flex-wrap:wrap;}
.rh-badge{display:flex;flex-direction:column;gap:2px;}
.rh-badge .b-label{font-size:10px;text-transform:uppercase;letter-spacing:.6px;color:#9FB2DE;}
.rh-badge .b-value{font-size:14.5px;font-weight:600;}
.rh-spend{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:10px 18px;text-align:right;}
.rh-spend .b-label{color:#FFD98A;}
.rh-spend .b-value{font-family:'IBM Plex Mono';font-size:19px;font-weight:600;}

.section{margin-bottom:22px;}
.section-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--navy);
  margin:0 0 12px 2px;display:flex;align-items:center;gap:8px;}
.section-title .num{width:19px;height:19px;border-radius:5px;background:var(--blue);color:#fff;font-size:10.5px;
  display:inline-flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono';}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;}

.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;}
.kpi-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:15px 16px;display:flex;flex-direction:column;gap:6px;}
.kpi-card .k-label{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px;}
.kpi-card .k-value{font-family:'IBM Plex Mono';font-size:20px;font-weight:600;color:var(--ink);}
.kpi-card.accent-blue{border-top:3px solid var(--blue);}
.kpi-card.accent-amber{border-top:3px solid var(--amber);}
.kpi-card.accent-green{border-top:3px solid var(--green);}

.charts-row{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:14px;}
.chart-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;}
.chart-card h3{font-size:12.5px;margin:0 0 12px;color:var(--navy);font-weight:700;text-transform:uppercase;letter-spacing:.4px;}
.chart-wrap{position:relative;height:220px;}

.fw-row{display:grid;grid-template-columns:290px 1fr;gap:14px;align-items:start;}
.funnel-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;}
.funnel-card h3{font-size:12.5px;margin:0 0 14px;color:var(--navy);font-weight:700;text-transform:uppercase;letter-spacing:.4px;}
.funnel-step{margin:0 auto 8px;color:#fff;text-align:center;padding:12px 8px;border-radius:8px;font-family:'IBM Plex Mono';}
.funnel-step .f-num{font-size:17px;font-weight:600;display:block;}
.funnel-step .f-label{font-family:'Inter';font-size:10.5px;font-weight:600;opacity:.9;text-transform:uppercase;letter-spacing:.4px;}
.funnel-mid{display:flex;justify-content:center;gap:8px;margin:4px 0 10px;}
.funnel-mid .fm-box{flex:1;background:#F6F8FD;border:1px solid var(--line);border-radius:8px;padding:8px 6px;text-align:center;}
.funnel-mid .fm-box .fm-val{font-family:'IBM Plex Mono';font-weight:600;font-size:13.5px;color:var(--blue-deep);}
.funnel-mid .fm-box .fm-label{font-size:9.5px;color:var(--muted);margin-top:2px;}

table{width:100%;border-collapse:collapse;font-size:12.5px;}
thead th{text-align:left;font-size:10.5px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);
  padding:8px 10px;border-bottom:2px solid var(--line);font-weight:700;white-space:nowrap;}
tbody td{padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap;}
tbody tr:hover{background:#F7F9FE;}
tbody td.num, thead th.num{font-family:'IBM Plex Mono';text-align:right;}
tr.total-row td{font-weight:700;background:#F1F4FB;border-top:2px solid var(--line);}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:6px;}
.table-scroll{overflow-x:auto;}

.insight-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;}
.insight-card h3{font-size:12.5px;margin:0 0 10px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;display:flex;align-items:center;gap:7px;}
.insight-card ul{margin:0;padding-left:18px;font-size:12.5px;line-height:1.7;color:var(--ink);}
.insight-card.good h3{color:var(--green);}
.insight-card.bad h3{color:var(--red);}
.insight-card.reco h3{color:var(--blue-deep);}
.insight-card.reco ol{margin:0;padding-left:18px;font-size:12.5px;line-height:1.8;color:var(--ink);}

.conclusion-row{display:grid;grid-template-columns:1.5fr 1fr;gap:14px;}
.conclusion-card p{font-size:13px;line-height:1.7;margin:0;color:#2C3550;}
.score-card{display:flex;gap:20px;align-items:center;justify-content:space-around;text-align:center;}
.score-card .s-block .s-label{font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;margin-bottom:4px;}
.score-card .s-block .s-value{font-family:'IBM Plex Mono';font-size:20px;font-weight:600;}
.status-pill{display:inline-block;padding:4px 12px;border-radius:20px;font-size:11px;font-weight:700;background:#FFF1DA;color:#9A6200;}
.status-pill.good{background:#E1F8EF;color:#0E7A55;}
.status-pill.bad{background:#FDE7E8;color:#B4232B;}

.modal-backdrop{position:fixed;inset:0;background:rgba(11,18,32,.55);backdrop-filter:blur(2px);
  display:flex;align-items:center;justify-content:center;z-index:50;padding:20px;}
.modal{background:#fff;border-radius:16px;max-width:640px;width:100%;max-height:88vh;overflow-y:auto;padding:26px 28px;}
.modal h2{font-size:18px;margin:0 0 4px;}
.modal .m-sub{font-size:12.5px;color:var(--muted);margin:0 0 20px;line-height:1.5;}
.map-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px;}
.map-field label{display:block;font-size:11px;font-weight:600;color:var(--navy);margin-bottom:5px;}
.map-field label .req{color:var(--red);}
select, input[type=text]{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:12.5px;
  font-family:'Inter';background:#fff;color:var(--ink);}
select:focus, input:focus{outline:2px solid var(--blue);outline-offset:1px;}
.meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px;}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:6px;}
.btn{padding:9px 18px;border-radius:9px;font-size:13px;font-weight:600;border:none;cursor:pointer;font-family:'Inter';}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:var(--blue-deep);}
.btn-ghost{background:none;color:var(--muted);}
.btn-ghost:hover{color:var(--ink);}
.map-note{font-size:11px;color:var(--muted);background:#F6F8FD;border-radius:8px;padding:10px 12px;margin-bottom:16px;line-height:1.6;}

.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:11px 20px;
  border-radius:9px;font-size:13px;box-shadow:0 10px 30px rgba(0,0,0,.25);z-index:60;opacity:0;
  transition:opacity .25s, transform .25s;pointer-events:none;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(-4px);}

/* ---------- Compare page ---------- */
.compare-pickers{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px;}
.picker-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;}
.picker-card .p-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:700;margin-bottom:8px;}
.compare-kpi-table{width:100%;border-collapse:collapse;}
.compare-kpi-table th{text-align:left;font-size:10.5px;text-transform:uppercase;color:var(--muted);padding:9px 10px;border-bottom:2px solid var(--line);}
.compare-kpi-table td{padding:10px 10px;border-bottom:1px solid var(--line);font-size:13px;}
.compare-kpi-table td.num{font-family:'IBM Plex Mono';text-align:right;}
.delta{font-family:'IBM Plex Mono';font-weight:600;font-size:12px;padding:3px 8px;border-radius:6px;display:inline-block;}
.delta.up{color:#0E7A55;background:#E1F8EF;}
.delta.down{color:#B4232B;background:#FDE7E8;}
.delta.flat{color:var(--muted);background:#F1F4FB;}

@media (max-width:1100px){
  .charts-row{grid-template-columns:1fr;}
  .insight-grid{grid-template-columns:1fr;}
  .conclusion-row{grid-template-columns:1fr;}
  .fw-row{grid-template-columns:1fr;}
  .compare-pickers{grid-template-columns:1fr;}
}
@media (max-width:820px){
  .app{flex-direction:column;}
  .sidebar{width:100%;flex:none;position:relative;height:auto;}
  .main{padding:20px;}
}