*{margin:0;padding:0;box-sizing:border-box}
:root{--green-50:#f0fdf4;--green-100:#dcfce7;--green-200:#bbf7d0;--green-400:#4ade80;--green-500:#22c55e;--green-600:#16a34a;--green-700:#15803d;--green-800:#166534;--green-900:#14532d;--amber-100:#fef3c7;--amber-400:#fbbf24;--amber-500:#f59e0b;--amber-600:#d97706;--red-100:#fee2e2;--red-400:#f87171;--red-500:#ef4444;--red-600:#dc2626;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827;--radius:12px;--radius-sm:8px;--shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);--shadow-md:0 4px 6px rgba(0,0,0,.07),0 2px 4px rgba(0,0,0,.06);--font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--gray-800);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
img,svg{max-width:100%;height:auto}
a{color:var(--green-700);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{background:#fff;border-bottom:1px solid var(--gray-200);position:sticky;top:0;z-index:100;backdrop-filter:blur(8px);background:rgba(255,255,255,.92)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:56px}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.15rem;color:var(--gray-900)}
.logo:hover{text-decoration:none}
.logo-text{letter-spacing:-.02em}
.main-nav{display:flex;gap:24px}
.main-nav a{font-size:.9rem;color:var(--gray-600);font-weight:500;padding:4px 0;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}
.main-nav a:hover{color:var(--green-700);border-bottom-color:var(--green-400);text-decoration:none}
.hero{background:linear-gradient(135deg,var(--green-50) 0%,#fff 60%);padding:60px 0 48px;text-align:center}
.hero h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;color:var(--gray-900);letter-spacing:-.03em;line-height:1.2;margin-bottom:12px}
.hero-sub{font-size:clamp(1rem,2vw,1.2rem);color:var(--gray-600);max-width:560px;margin:0 auto 8px}
.hero-note{font-size:.85rem;color:var(--gray-400)}
.tracker-section{padding:48px 0}
.tracker-layout{display:grid;grid-template-columns:1fr 340px;gap:32px;align-items:start}
@media(max-width:860px){.tracker-layout{grid-template-columns:1fr}}
.entry-panel{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.entry-panel h2{font-size:1.3rem;margin-bottom:20px;color:var(--gray-900)}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:.85rem;font-weight:600;color:var(--gray-700);margin-bottom:4px}
.form-row input[type=date],.form-row input[type=number],.form-row input[type=text],.form-row select{width:100%;padding:10px 12px;border:1px solid var(--gray-300);border-radius:var(--radius-sm);font-size:.95rem;font-family:var(--font);transition:border-color .15s,box-shadow .15s;background:#fff}
.form-row input:focus,.form-row select:focus{outline:none;border-color:var(--green-500);box-shadow:0 0 0 3px rgba(34,197,94,.15)}
.optional{font-weight:400;color:var(--gray-400);font-size:.8rem}
.severity-scale{display:flex;flex-direction:column;gap:6px;margin-top:4px}
.severity-option{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s;font-size:.9rem;border:1px solid transparent}
.severity-option:hover{background:var(--gray-50)}
.severity-option:has(input:checked){background:var(--green-50);border-color:var(--green-200)}
.severity-option input{position:absolute;opacity:0;width:0;height:0}
.sev-dot{width:14px;height:14px;border-radius:50%;display:inline-block;flex-shrink:0;border:2px solid transparent}
.sev-1{background:#86efac;border-color:#22c55e}
.sev-2{background:#fde68a;border-color:#f59e0b}
.sev-3{background:#fdba74;border-color:#f97316}
.sev-4{background:#fca5a5;border-color:#ef4444}
.sev-5{background:#f87171;border-color:#dc2626}
.severity-option input:focus-visible+.sev-dot{outline:2px solid var(--green-600);outline-offset:2px}
.pollen-inputs{border:1px solid var(--gray-200);border-radius:var(--radius-sm);padding:16px;margin-bottom:16px}
.pollen-inputs legend{font-weight:600;font-size:.95rem;color:var(--gray-700);padding:0 6px}
.field-hint{font-size:.8rem;color:var(--gray-500);margin-bottom:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;font-family:var(--font);cursor:pointer;border:1px solid transparent;transition:all .15s}
.btn-primary{background:var(--green-600);color:#fff;width:100%}
.btn-primary:hover{background:var(--green-700)}
.btn-secondary{background:var(--gray-100);color:var(--gray-700);border-color:var(--gray-300)}
.btn-secondary:hover{background:var(--gray-200)}
.btn-danger{background:var(--red-100);color:var(--red-600);border-color:var(--red-400)}
.btn-danger:hover{background:#fecaca}
.feedback{margin-top:12px;font-size:.85rem;min-height:20px}
.feedback.success{color:var(--green-700)}
.feedback.error{color:var(--red-600)}
.side-panel{display:flex;flex-direction:column;gap:20px}
.preset-calendar,.quick-actions,.entry-log{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.preset-calendar h3,.quick-actions h3,.entry-log h3{font-size:1rem;margin-bottom:12px;color:var(--gray-900)}
.preset-preview{margin-top:10px;font-size:.85rem;color:var(--gray-600);min-height:20px}
.quick-actions{display:flex;flex-direction:column;gap:8px}
.quick-actions .btn{width:100%;text-align:center}
.log-list{max-height:260px;overflow-y:auto;display:flex;flex-direction:column;gap:6px}
.log-item{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;background:var(--gray-50);border-radius:var(--radius-sm);font-size:.82rem}
.log-date{color:var(--gray-500);font-weight:500}
.log-sev{font-weight:700;padding:2px 8px;border-radius:99px;font-size:.75rem}
.log-sev-1{background:#86efac;color:#166534}
.log-sev-2{background:#fde68a;color:#92400e}
.log-sev-3{background:#fdba74;color:#9a3412}
.log-sev-4{background:#fca5a5;color:#991b1b}
.log-sev-5{background:#f87171;color:#7f1d1d}
.log-delete{background:none;border:none;color:var(--gray-400);cursor:pointer;font-size:1rem;padding:2px 6px;border-radius:4px;line-height:1}
.log-delete:hover{color:var(--red-500);background:var(--red-100)}
.empty-state{color:var(--gray-400);font-style:italic;font-size:.85rem;padding:12px 0}
.chart-section{padding:48px 0;background:var(--gray-50)}
.chart-section h2{font-size:1.3rem;margin-bottom:8px;color:var(--gray-900)}
.section-hint{font-size:.9rem;color:var(--gray-500);margin-bottom:20px}
.chart-tabs{display:flex;gap:4px;margin-bottom:16px}
.chart-tab{padding:8px 18px;border:1px solid var(--gray-300);background:#fff;font-size:.85rem;font-weight:500;cursor:pointer;border-radius:var(--radius-sm);transition:all .15s;font-family:var(--font)}
.chart-tab.active{background:var(--green-600);color:#fff;border-color:var(--green-600)}
.chart-tab:hover:not(.active){background:var(--gray-100)}
.chart-tab:focus-visible{outline:2px solid var(--green-600);outline-offset:2px}
.chart-wrap{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:20px;overflow-x:auto;box-shadow:var(--shadow)}
canvas{display:block;margin:0 auto}
.threshold-info{margin-top:12px;font-size:.9rem;color:var(--gray-600);min-height:24px}
.chart-legend{display:flex;gap:20px;margin-top:12px;flex-wrap:wrap;font-size:.8rem;color:var(--gray-500)}
.legend-item{display:flex;align-items:center;gap:6px}
.legend-dot{width:12px;height:12px;border-radius:50%;display:inline-block}
.legend-low{background:#86efac}
.legend-mid{background:#fdba74}
.legend-high{background:#f87171}
.legend-line{width:20px;height:2px;border-top:2px dashed var(--gray-400);display:inline-block}
.guide-section{padding:48px 0}
.guide-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
@media(max-width:860px){.guide-layout{grid-template-columns:1fr}}
.guide-main h2{font-size:1.3rem;margin-bottom:16px;color:var(--gray-900)}
.guide-main h3{font-size:1.05rem;margin:28px 0 10px;color:var(--gray-800)}
.guide-main p{margin-bottom:12px;color:var(--gray-600);line-height:1.7}
.guide-steps{margin:0 0 16px 20px}
.guide-steps li{margin-bottom:10px;color:var(--gray-600);line-height:1.7}
.guide-list{margin:0 0 16px 20px}
.guide-list li{margin-bottom:8px;color:var(--gray-600);line-height:1.7}
.guide-sidebar{display:flex;flex-direction:column;gap:16px}
.sidebar-card{background:var(--green-50);border:1px solid var(--green-200);border-radius:var(--radius);padding:18px}
.sidebar-card h3{font-size:.95rem;margin-bottom:8px;color:var(--green-800)}
.sidebar-card p{font-size:.85rem;color:var(--gray-600);line-height:1.6}
.site-footer{background:var(--gray-900);color:var(--gray-400);padding:40px 0;font-size:.85rem;text-align:center}
.site-footer a{color:var(--green-400)}
.footer-legal{margin:12px 0 4px;display:flex;justify-content:center;gap:16px}
.footer-meta{font-size:.75rem;color:var(--gray-600);margin-top:8px}
@media(max-width:640px){.hero{padding:40px 0 32px}.tracker-section,.chart-section,.guide-section{padding:32px 0}.entry-panel,.preset-calendar,.quick-actions,.entry-log{padding:16px}.chart-legend{gap:10px}.main-nav{gap:14px}.main-nav a{font-size:.82rem}}
@media print{.site-header,.site-footer,.quick-actions,.chart-tabs,.btn{display:none!important}.chart-wrap{border:none;box-shadow:none}.tracker-layout,.guide-layout{display:block}}


/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}