:root{color-scheme:light;--bg:#f6f7f9;--panel:#fff;--ink:#17202a;--muted:#64748b;--line:#dbe1ea;--accent:#0f766e;--danger:#b42318;--warning:#b54708}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{min-height:100vh}.topbar{align-items:center;background:#111827;color:#fff;display:flex;justify-content:space-between;min-height:64px;padding:0 28px}.brand{font-size:18px;font-weight:700}.nav{align-items:center;display:flex;gap:18px;color:#cbd5e1;font-size:14px}.language-switcher{background:hsla(0,0%,100%,.08);border:1px solid hsla(0,0%,100%,.16);border-radius:999px;display:inline-flex;padding:2px}.language-switcher a{border-radius:999px;color:#cbd5e1;font-size:12px;font-weight:800;padding:4px 8px}.language-switcher a.active{background:#fff;color:#0f172a}.nav-button{background:transparent;border:0;color:#cbd5e1;cursor:pointer;padding:0}.main{margin:0 auto;max-width:1180px;padding:28px}.page-title{align-items:flex-end;display:flex;justify-content:space-between;gap:20px;margin-bottom:24px}.page-title h1{font-size:28px;letter-spacing:0;margin:0 0 6px}.page-actions{gap:12px}.page-actions,.refresh-control{align-items:center;display:flex;flex-wrap:wrap;justify-content:flex-end}.refresh-control{gap:8px}.refresh-control .input{min-width:150px;width:auto}.recommendation-card{display:grid;grid-gap:10px;gap:10px}.period-tabs{background:#e9eef5;border:1px solid var(--line);border-radius:8px;display:flex;gap:2px;padding:3px}.period-tabs a{border-radius:6px;color:#475569;font-size:12px;font-weight:700;padding:7px 10px;text-transform:uppercase}.period-tabs a.active{background:#fff;color:var(--ink)}.muted{color:var(--muted)}.grid{display:grid;grid-gap:16px;gap:16px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-main-side{grid-template-columns:1.35fr .85fr}.card,.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px}.panel{padding:20px}.panel-subtitle{color:var(--ink);font-size:14px;letter-spacing:0;margin:0 0 10px}.card{padding:16px}.metric{color:var(--muted);font-size:13px;margin-bottom:8px}.metric-value{font-size:24px;font-weight:700}.dashboard-hero{align-items:center;display:flex;justify-content:space-between;gap:24px;margin-bottom:20px}.dashboard-hero h2{font-size:24px;letter-spacing:0;margin:0 0 8px}.date-range-form{align-items:flex-end;display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.date-range-form label{color:var(--muted);display:grid;font-size:12px;font-weight:700;grid-gap:5px;gap:5px;text-transform:uppercase}.date-range-form input{background:#fff;border:1px solid var(--line);border-radius:6px;color:var(--ink);min-height:36px;padding:6px 8px}.date-range-form button{background:#334155;border:0;border-radius:6px;color:#fff;cursor:pointer;font-size:13px;font-weight:700;min-height:36px;padding:7px 12px}.period-select-form{align-items:flex-end;display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.period-select-form label{color:var(--muted);display:grid;font-size:12px;font-weight:700;grid-gap:5px;gap:5px;min-width:260px;text-transform:uppercase}.period-select-form input,.period-select-form select{background:#fff;border:1px solid var(--line);border-radius:6px;color:var(--ink);min-height:36px;padding:6px 8px}.period-select-form button{background:#334155;border:0;border-radius:6px;color:#fff;cursor:pointer;font-size:13px;font-weight:700;min-height:36px;padding:7px 12px}.kpi-grid{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(5,minmax(0,1fr))}.kpi-card{min-height:116px}.delta{color:var(--muted);font-size:12px;font-weight:700;margin-top:8px}.delta.positive{color:#166534}.delta.negative{color:var(--danger)}.compact-metrics{display:flex;flex-wrap:wrap;gap:10px}.compact-metrics span{background:#f8fafc;border:1px solid var(--line);border-radius:6px;color:var(--muted);display:inline-flex;font-size:12px;gap:4px;padding:7px 9px}.compact-metrics strong{color:var(--ink)}.table{border-collapse:collapse;width:100%}.table td,.table th{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left}.table th{color:var(--muted);font-size:12px;text-transform:uppercase}.chart-grid{display:grid;grid-gap:18px;gap:18px;grid-template-columns:1fr 1fr}.chart-label{color:var(--muted);font-size:12px;font-weight:700;margin-bottom:8px;text-transform:uppercase}.mini-bars{align-items:flex-end;background:#f8fafc;border:1px solid var(--line);border-radius:6px;display:grid;grid-gap:3px;gap:3px;grid-template-columns:repeat(30,minmax(2px,1fr));height:118px;padding:10px}.mini-bar{align-items:flex-end;display:flex;height:100%}.mini-bar span{background:var(--accent);border-radius:3px 3px 0 0;display:block;min-height:2px;width:100%}.stacked-bars{align-items:flex-end;background:#f8fafc;border:1px solid var(--line);border-radius:6px;display:grid;grid-gap:3px;gap:3px;grid-template-columns:repeat(30,minmax(2px,1fr));height:214px;padding:10px}.stacked-bar{align-items:flex-end;display:flex;height:100%}.stacked-bar>div{display:flex;flex-direction:column-reverse;min-height:2px;width:100%}.stacked-bar span{display:block;min-height:0;width:100%}.legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}.legend span{align-items:center;color:var(--muted);display:inline-flex;font-size:12px;font-weight:700;gap:6px}.legend i{border-radius:999px;display:inline-block;height:9px;width:9px}.rank-list{display:grid;grid-gap:10px;gap:10px}.rank-row{align-items:center;border-bottom:1px solid var(--line);display:flex;gap:12px;justify-content:space-between;min-height:42px}.rank-row:last-child{border-bottom:0}.rank-row strong{font-size:13px}.rank-row span{color:var(--muted);font-weight:700;white-space:nowrap}.rank-row.danger span{color:var(--danger)}.form{display:grid;grid-gap:12px;gap:12px}.form-row{display:grid;grid-gap:6px;gap:6px}.form-row label{color:var(--muted);font-size:13px}.help-text{color:var(--muted);display:block;font-size:12px;line-height:1.35}.input{background:#fff;border:1px solid var(--line);border-radius:6px;padding:8px 10px;width:100%}.button,.input{min-height:40px}.button{align-items:center;background:var(--accent);border:0;border-radius:6px;color:#fff;cursor:pointer;display:inline-flex;font-weight:700;gap:8px;justify-content:center;padding:8px 14px}.button.secondary{background:#334155}.button-row{display:flex;flex-wrap:wrap;gap:10px}.icon-button{background:#f8fafc;border:1px solid var(--line);border-radius:6px;color:var(--ink);cursor:pointer;font-size:13px;font-weight:700;min-height:34px;padding:6px 10px}.icon-button.danger{color:var(--danger)}.icon-button:disabled{cursor:progress;opacity:.65}.badge{border-radius:999px;display:inline-flex;font-size:12px;font-weight:700;padding:4px 8px}.badge.green{background:#dcfce7;color:#166534}.badge.red{background:#fee2e2;color:var(--danger)}.badge.yellow{background:#fef3c7;color:var(--warning)}.detail-grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{background:#f8fafc;border:1px solid var(--line);border-radius:999px;color:#334155;display:inline-flex;font-size:12px;font-weight:700;padding:6px 10px}.channel-list{display:grid;grid-gap:10px;gap:10px}.channel-row{align-items:center;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;min-height:40px}.channel-row:last-child{border-bottom:0}.auth-page{align-items:center;display:flex;justify-content:center;min-height:calc(100vh - 120px)}.auth-panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;display:grid;grid-gap:22px;gap:22px;max-width:420px;padding:28px;width:100%}.auth-panel h1{font-size:28px;letter-spacing:0;margin:0 0 8px}.auth-kicker{color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.06em;margin-bottom:10px;text-transform:uppercase}.auth-panel label{color:var(--muted);display:grid;font-size:13px;grid-gap:6px;gap:6px}.auth-panel input{background:#fff;border:1px solid var(--line);border-radius:6px;color:var(--ink);min-height:44px;padding:10px 12px;width:100%}.auth-panel button{background:var(--accent);border:0;border-radius:6px;color:#fff;cursor:pointer;font-weight:700;min-height:44px;padding:10px 14px}.alert{border-radius:6px;font-size:14px;padding:10px 12px}.alert.error{background:#fee2e2;color:var(--danger)}.report-page{display:grid;grid-gap:20px;gap:20px}.report-cover{align-items:flex-end;background:#101827;border-radius:8px;color:#fff;display:flex;gap:24px;justify-content:space-between;padding:28px}.report-cover h1{font-size:42px;letter-spacing:0;margin:8px 0}.report-cover p{color:#cbd5e1;margin:0}.report-kicker{color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.report-cover .report-kicker{color:#5eead4}.report-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.report-section{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:22px}.report-section h2{margin:0 0 16px}.report-period-controls{display:grid;grid-gap:14px;gap:14px}.report-section-title{align-items:flex-start;display:flex;gap:16px;justify-content:space-between;margin-bottom:16px}.report-kpi-grid{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(6,minmax(0,1fr))}.report-kpi{background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:14px}.report-kpi span,.report-mini-grid span{color:var(--muted);display:block;font-size:12px;font-weight:700;margin-bottom:6px;text-transform:uppercase}.report-kpi strong{font-size:22px}.report-narrative{color:#334155;display:grid;grid-gap:10px;gap:10px;margin-top:16px;max-width:900px}.report-narrative p{margin:0}.report-grid{display:grid;grid-gap:20px;gap:20px;grid-template-columns:1fr 1fr}.report-bars{align-items:flex-end;background:#f8fafc;border:1px solid var(--line);border-radius:8px;display:grid;grid-gap:4px;gap:4px;grid-template-columns:repeat(14,minmax(4px,1fr));height:180px;padding:12px}.report-bar{align-items:flex-end;display:flex;height:100%}.report-bar span{background:var(--accent);border-radius:4px 4px 0 0;display:block;min-height:3px;width:100%}.report-mini-grid{display:grid;grid-gap:10px;gap:10px;grid-template-columns:repeat(4,1fr);margin-top:14px}.report-mini-grid div{background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:12px}.report-list{display:grid;grid-gap:12px;gap:12px}.report-list article{border-bottom:1px solid var(--line);padding-bottom:12px}.report-list article:last-child{border-bottom:0;padding-bottom:0}.report-list article strong{display:block;margin-bottom:6px}.report-list article p{color:var(--muted);margin:6px 0 0}.next-steps{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(4,1fr)}.next-steps div{background:#f8fafc;border:1px solid var(--line);border-radius:8px;display:grid;grid-gap:8px;gap:8px;padding:14px}.next-steps span{color:var(--muted)}@media (max-width:760px){.page-title,.report-cover,.report-section-title,.topbar{align-items:flex-start;flex-direction:column}.grid-2,.grid-3,.grid-main-side{grid-template-columns:1fr}.dashboard-hero,.page-actions{align-items:flex-start;flex-direction:column}.period-tabs{overflow-x:auto;width:100%}.date-range-form,.date-range-form button,.date-range-form input,.date-range-form label,.period-select-form,.period-select-form button,.period-select-form input,.period-select-form label,.period-select-form select{width:100%}.chart-grid,.detail-grid,.kpi-grid,.next-steps,.report-grid,.report-kpi-grid,.report-mini-grid{grid-template-columns:1fr}.main{padding:18px}.auth-page{min-height:calc(100vh - 160px)}}