:root{--bg:#f8fafc;--surface:#fff;--surface-soft:#f1f5f9;--sidebar:#111827;--text:#111827;--text-muted:#64748b;--primary:#2563eb;--primary-hover:#1d4ed8;--positive:#16a34a;--negative:#dc2626;--neutral:#64748b;--mixed:#d97706;--border:#e5e7eb;--shadow:0 10px 30px #0f172a14}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}main{max-width:1200px;margin:0 auto;padding:32px}section{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:18px;margin:24px 0;padding:24px}h1,h2,h3,h4{color:var(--text)}h1{margin-bottom:6px;font-size:34px}h2{margin-top:0}p{line-height:1.5}hr{border:0;border-top:1px solid var(--border);margin:32px 0}button{cursor:pointer;background:var(--primary);color:#fff;border:0;border-radius:10px;margin:4px;padding:10px 14px;font-size:14px;font-weight:700}button:hover{background:var(--primary-hover)}button:disabled{opacity:.65;cursor:not-allowed}input,textarea,select{border:1px solid var(--border);width:100%;max-width:900px;font:inherit;color:var(--text);background:#fff;border-radius:10px;margin-bottom:12px;padding:11px 12px}textarea{min-height:160px;font-family:JetBrains Mono,Fira Code,monospace;font-size:13px}ul{padding-left:20px}strong{color:var(--text)}.danger-text{color:var(--negative);font-weight:700}.loading-box{color:#1e3a8a;background:#eff6ff;border:1px solid #bfdbfe;border-radius:14px;align-items:center;gap:12px;margin-top:16px;padding:14px 16px;font-weight:700;display:flex}.spinner{border:3px solid #bfdbfe;border-top-color:#2563eb;border-radius:50%;width:18px;height:18px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.app-layout{grid-template-columns:280px 1fr;min-height:100vh;display:grid}.content{width:100%;max-width:1200px;padding:32px}.sidebar{background:var(--sidebar);color:#fff;flex-direction:column;gap:18px;height:100vh;padding:24px;display:flex;position:sticky;top:0;overflow:hidden}.sidebar h2{color:#fff;margin:0}.sidebar-top{flex-shrink:0}.sidebar-nav{flex-direction:column;gap:10px;margin:18px 0 8px;display:flex}.sidebar-nav-button{text-align:left;color:#e5e7eb;background:#1f2937;width:100%}.sidebar-nav-button:hover{background:#374151}.sidebar-nav-active{background:var(--primary);color:#fff}.sidebar-nav-active:hover{background:var(--primary-hover)}.sidebar-section-title{color:#e5e7eb;text-transform:uppercase;letter-spacing:.04em;margin-bottom:12px;font-size:13px;font-weight:800}.sidebar-empty{color:#94a3b8;margin:0;font-size:14px}.sidebar-reports-area{flex:1;min-height:0;padding-right:4px;overflow-y:auto}.sidebar-list{flex-direction:column;gap:10px;display:flex}.sidebar-report{text-align:left;color:#f8fafc;background:#1f2937;border-radius:12px;width:100%;padding:12px}.sidebar-report:hover{background:#374151}.sidebar-report strong{color:#f8fafc;display:block}.sidebar-report span{color:#cbd5e1;margin-top:4px;font-size:12px;display:block}.sidebar-bottom{border-top:1px solid #334155;flex-shrink:0;margin-top:auto;padding-top:14px}.sidebar-filters{margin-bottom:14px}.sidebar-filters h3{color:#fff;margin:0 0 10px;font-size:15px}.sidebar-filters input,.sidebar-filters select{color:#fff;background:#0f172a;border:1px solid #334155;max-width:100%;margin-bottom:8px;padding:9px 10px}.sidebar-filters input::placeholder{color:#94a3b8}.sidebar-filters button{width:100%;padding:9px 10px}.logout-button,.secondary-button{background:#475569}.logout-button:hover,.secondary-button:hover{background:#334155}.sidebar-bottom>.logout-button{width:100%}.hero-banner{color:#fff;box-shadow:var(--shadow);background:linear-gradient(135deg,#111827,#1d4ed8);border-radius:24px;justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px;padding:32px;display:flex}.hero-banner h1{color:#fff;margin:0;font-size:36px}.hero-banner p{color:#dbeafe;margin:8px 0 0}.hero-user{color:#fff;white-space:nowrap;background:#ffffff24;border:1px solid #ffffff38;border-radius:16px;padding:12px 16px}.hero-user span{color:#bfdbfe;margin-bottom:4px;font-size:12px;display:block}.hero-user strong{color:#fff;font-size:14px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin:16px 0;display:grid}.stat-card{background:var(--surface-soft);border:1px solid var(--border);border-radius:14px;padding:16px}.stat-card span{color:var(--text-muted);font-size:14px;display:block}.stat-card strong{margin-top:8px;font-size:28px;display:block}.badge{border-radius:999px;padding:4px 9px;font-size:12px;font-weight:800;display:inline-block}.badge-positive{color:var(--positive);background:#dcfce7}.badge-negative{color:var(--negative);background:#fee2e2}.badge-neutral{color:var(--neutral);background:#e2e8f0}.badge-mixed{color:var(--mixed);background:#fef3c7}.alert-settings-box{border:1px solid var(--border);background:#f8fafc;border-radius:14px;margin:18px 0;padding:16px}.toggle-row{align-items:center;gap:10px;font-weight:700;display:flex}.toggle-row input{width:auto;margin:0}.alert-settings-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px;display:grid}.alert-settings-grid label{color:var(--text-muted);margin-bottom:6px;font-size:13px;font-weight:700;display:block}.alert-settings-wide{grid-column:span 2}.alert-box{color:#7f1d1d;background:#fef2f2;border:1px solid #fecaca;border-radius:14px;margin:16px 0;padding:16px}.alert-box h3{color:#991b1b;margin-top:0}.alert-item{align-items:center;gap:12px;padding:8px 0;display:flex}.alert-item strong{color:#dc2626}.alert-item span{color:#7f1d1d}.download-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin:20px 0;display:flex}.download-actions .secondary-button{width:auto}.download-left{flex-wrap:wrap;gap:12px;display:flex}.delete-report-button{background:#dc2626}.delete-report-button:hover{background:#b91c1c}.report-pdf-area{background:#fff;padding:4px}.charts-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px;display:grid}.charts-grid section{min-width:0;margin:0}.comparison-page{max-width:100%}.comparison-description{color:var(--text-muted);margin-top:-6px}.comparison-form{grid-template-columns:1fr 1fr auto;align-items:start;gap:12px;display:grid}.comparison-report{background:#fff;margin-top:24px}.comparison-title{flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:18px;display:flex}.comparison-link-button{color:#1e3a8a;background:#eef2ff;margin:0}.comparison-link-button:hover{background:#dbeafe}.comparison-stats-grid{grid-template-columns:repeat(4,minmax(150px,220px));gap:14px;margin:16px 0;display:grid}.comparison-stat-card{min-height:105px}.comparison-chart-card{border:1px solid var(--border);background:#f8fafc;border-radius:16px;margin-top:20px;padding:18px}.comparison-chart-card h4{margin-top:0}.comparison-keyword-grid{grid-template-columns:1fr 1fr;gap:18px;margin-top:20px;display:grid}.comparison-keyword-card{border:1px solid var(--border);background:#f8fafc;border-radius:16px;padding:18px}.comparison-keyword-card h4{margin-top:0}.comparison-keyword-row{border:1px solid var(--border);background:#fff;border-radius:12px;justify-content:space-between;gap:12px;margin-bottom:8px;padding:10px 12px;display:flex}.comparison-keyword-row span{color:var(--primary);font-weight:800}.inbox-layout{grid-template-columns:360px 1fr;align-items:start;gap:20px;margin-top:20px;display:grid}.inbox-list{flex-direction:column;gap:10px;height:calc(100vh - 130px);padding-right:8px;display:flex;overflow-y:auto}.inbox-item{width:100%;color:var(--text);border:1px solid var(--border);text-align:left;background:#fff;border-radius:14px;padding:14px}.inbox-item:hover{background:#f8fafc}.inbox-item-active{border-color:var(--primary);background:#eff6ff}.inbox-item-header{justify-content:space-between;align-items:center;gap:10px;display:flex}.inbox-item p{color:var(--text-muted);margin:8px 0 4px}.inbox-item small{color:var(--text-muted)}.email-detail{border:1px solid var(--border);background:#fff;border-radius:16px;height:calc(100vh - 130px);padding:24px;position:sticky;top:24px;overflow-y:auto}.email-detail-header{border-bottom:1px solid var(--border);margin-bottom:18px;padding-bottom:18px}.email-detail-header h3{margin:14px 0 8px;font-size:26px}.email-fields{gap:12px;margin-top:18px;display:grid}.email-fields div{border:1px solid var(--border);background:#f8fafc;border-radius:12px;padding:12px}.email-fields span{color:var(--text-muted);margin-bottom:4px;font-size:13px;display:block}.email-fields strong{color:var(--text);word-break:break-word;display:block}.email-body{border:1px solid var(--border);white-space:pre-wrap;background:#f8fafc;border-radius:14px;margin:18px 0;padding:18px;line-height:1.6}.email-body h4{margin-top:0}.email-body p{margin-bottom:0}.email-meta{color:var(--text-muted);font-size:14px}.metadata-panel{background:#eef4ff;border:2px solid #dbeafe;border-radius:18px;margin-top:24px;padding:24px}.metadata-panel h4{color:#1d4ed8;margin-top:0;margin-bottom:18px;font-size:20px;font-weight:700}.metadata-grid{grid-template-columns:repeat(2,1fr);gap:14px;display:grid}.metadata-card{background:#fff;border:1px solid #dbeafe;border-radius:14px;padding:16px}.metadata-card span{color:#64748b;margin-bottom:6px;font-size:13px;display:block}.metadata-card strong{color:#0f172a;line-height:1.5;display:block}.metadata-card-large{grid-column:span 2}.auth-page{background:radial-gradient(circle at top left, #dbeafe 0, transparent 32%), radial-gradient(circle at bottom right, #e0e7ff 0, transparent 30%), var(--bg);grid-template-columns:1.1fr .9fr;align-items:center;gap:48px;max-width:none;min-height:100vh;padding:48px;display:grid}.auth-hero,.auth-card{box-shadow:var(--shadow)}.auth-hero{color:#fff;background:linear-gradient(135deg,#111827,#1d4ed8);border-radius:28px;flex-direction:column;justify-content:center;min-height:520px;padding:48px;display:flex}.auth-hero h1{color:#fff;margin:18px 0 12px;font-size:48px}.auth-hero p{color:#dbeafe;max-width:560px;font-size:18px}.auth-features{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.auth-features span{color:#fff;background:#ffffff24;border:1px solid #ffffff38;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:700}.auth-card{border:1px solid var(--border);background:#fff;border-radius:28px;padding:36px}.auth-card h2{margin-bottom:8px;font-size:32px}.auth-subtitle{color:var(--text-muted);margin-bottom:28px}.auth-card label{margin-bottom:6px;font-weight:700;display:block}.auth-card button{width:100%;margin-top:8px}.auth-switch{text-align:center;color:var(--text-muted)}.auth-switch a{color:var(--primary);font-weight:800;text-decoration:none}@media (width<=900px){.app-layout{grid-template-columns:1fr}.content{padding:24px}.sidebar{height:auto;position:static}.sidebar-reports-area{max-height:260px}.hero-banner{flex-direction:column;align-items:flex-start}.hero-user{white-space:normal}.stats-grid,.charts-grid,.comparison-form,.comparison-keyword-grid,.comparison-stats-grid,.inbox-layout,.metadata-grid,.auth-page{grid-template-columns:1fr}.email-detail{height:auto;position:static}.metadata-card-large{grid-column:span 1}.auth-page{padding:24px}.auth-hero{min-height:auto}}.upload-hint{color:var(--text-muted);margin-top:-4px;font-size:13px}