*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--blue:#2563eb;--blue-light:#dbeafe;--blue-dark:#1d4ed8;--green:#16a34a;--green-light:#dcfce7;--amber:#d97706;--amber-light:#fef3c7;--red:#dc2626;--red-light:#fee2e2;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#64748b;--gray-600:#475569;--gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a;--radius:8px;--radius-lg:12px;--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);--shadow-lg:0 10px 15px rgba(0,0,0,.1),0 4px 6px rgba(0,0,0,.05);--max-width:960px}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--gray-800);background:var(--gray-50);line-height:1.6;-webkit-font-smoothing:antialiased}
.container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto}

/* Header */
.site-header{background:#fff;border-bottom:1px solid var(--gray-200);position:sticky;top:0;z-index:100}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:56px}
.logo{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.1rem;color:var(--gray-900)}.logo:hover{text-decoration:none}
.nav{display:flex;gap:1.5rem}.nav a{color:var(--gray-600);font-size:.9rem;font-weight:500}.nav a:hover{color:var(--blue)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.6rem 1.2rem;border-radius:var(--radius);font-size:.9rem;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .15s;text-decoration:none;line-height:1.4}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-dark)}
.btn-ghost{background:transparent;color:var(--gray-600);border-color:var(--gray-300)}.btn-ghost:hover{border-color:var(--gray-400);color:var(--gray-800)}
.btn-danger{background:var(--red-light);color:var(--red)}.btn-danger:hover{background:var(--red);color:#fff}
.btn-sm{padding:.35rem .75rem;font-size:.8rem}

/* Hero */
.hero{background:linear-gradient(135deg,#1e3a5f 0%,#2563eb 100%);color:#fff;padding:4rem 0;text-align:center}
.hero h1{font-size:2.2rem;font-weight:800;margin-bottom:.75rem;line-height:1.2}
.hero-sub{font-size:1.1rem;opacity:.85;max-width:560px;margin:0 auto 2rem}
.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}.hero .btn-ghost:hover{border-color:#fff}

/* Sections */
section{padding:3rem 0}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}
.section-header h2{font-size:1.4rem;color:var(--gray-900)}

/* Stats */
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem;margin-bottom:1.5rem}
.stat-card{background:#fff;border-radius:var(--radius-lg);padding:1.25rem;text-align:center;box-shadow:var(--shadow);border-top:3px solid var(--gray-300)}
.stat-active{border-top-color:var(--green)}.stat-expiring{border-top-color:var(--amber)}.stat-lapsed{border-top-color:var(--red)}.stat-total{border-top-color:var(--blue)}
.stat-number{display:block;font-size:1.8rem;font-weight:800;color:var(--gray-900)}
.stat-label{font-size:.8rem;color:var(--gray-500);text-transform:uppercase;letter-spacing:.05em}

/* Filter */
.filter-bar{display:flex;align-items:center;gap:.75rem;margin-bottom:1.5rem;flex-wrap:wrap}
.filter-label{font-size:.85rem;font-weight:600;color:var(--gray-600)}
.filter-select,.filter-input{padding:.4rem .6rem;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:.85rem;background:#fff}
.filter-input{flex:1;min-width:180px}

/* Items List */
.items-list{display:flex;flex-direction:column;gap:.75rem}
.item-card{background:#fff;border-radius:var(--radius-lg);padding:1.25rem;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr auto;gap:1rem;align-items:start;border-left:4px solid var(--gray-300);transition:box-shadow .15s}
.item-card:hover{box-shadow:var(--shadow-md)}
.item-card.status-active{border-left-color:var(--green)}
.item-card.status-expiring{border-left-color:var(--amber)}
.item-card.status-lapsed{border-left-color:var(--red)}
.item-info h3{font-size:1.05rem;font-weight:700;color:var(--gray-900);margin-bottom:.2rem}
.item-meta{display:flex;flex-wrap:wrap;gap:.75rem;font-size:.8rem;color:var(--gray-500);margin-bottom:.4rem}
.item-meta span{display:flex;align-items:center;gap:.25rem}
.item-notes{font-size:.85rem;color:var(--gray-600);margin-top:.4rem}
.item-status{text-align:right;min-width:140px}
.status-badge{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;margin-bottom:.4rem}
.status-active .status-badge{background:var(--green-light);color:var(--green)}
.status-expiring .status-badge{background:var(--amber-light);color:var(--amber)}
.status-lapsed .status-badge{background:var(--red-light);color:var(--red)}
.expiry-date{font-size:.85rem;color:var(--gray-600);font-weight:600}
.days-left{font-size:.75rem;color:var(--gray-400)}
.item-actions{display:flex;gap:.4rem;margin-top:.5rem;justify-content:flex-end}
.item-actions button{padding:.3rem .6rem;font-size:.75rem}

/* Empty State */
.empty-state{text-align:center;padding:3rem 1rem;color:var(--gray-500)}
.empty-state svg{margin-bottom:1rem}
.empty-state h3{font-size:1.1rem;color:var(--gray-700);margin-bottom:.5rem}
.empty-state p{margin-bottom:1.5rem;font-size:.9rem}

/* Add Form */
.add-section{background:#fff;border-top:1px solid var(--gray-200)}
.add-form{max-width:720px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}
.form-group{display:flex;flex-direction:column;gap:.3rem;margin-bottom:1rem}
.form-group label{font-size:.85rem;font-weight:600;color:var(--gray-700)}
.required{color:var(--red)}
.form-group input,.form-group select,.form-group textarea{padding:.55rem .75rem;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:.9rem;font-family:inherit;background:#fff}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-light)}
.field-hint{font-size:.75rem;color:var(--gray-400)}
.warranty-input-group{display:flex;align-items:center;gap:.5rem}
.warranty-years,.warranty-months{width:60px;text-align:center}
.warranty-unit{font-size:.85rem;color:var(--gray-500)}
.presets{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:1rem}
.presets-label{font-size:.85rem;font-weight:600;color:var(--gray-600)}
.preset-btn{padding:.3rem .7rem;font-size:.75rem;background:var(--gray-100);border:1px solid var(--gray-200);border-radius:999px;cursor:pointer;color:var(--gray-600);transition:all .15s}
.preset-btn:hover{background:var(--blue-light);border-color:var(--blue);color:var(--blue)}
.form-actions{display:flex;gap:.75rem;flex-wrap:wrap}

/* Guide */
.guide-section{background:var(--gray-100)}
.guide-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem;margin-bottom:2rem}
.guide-card{background:#fff;border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow)}
.guide-card h3{font-size:1rem;font-weight:700;color:var(--gray-900);margin-bottom:.5rem}
.guide-card p{font-size:.85rem;color:var(--gray-600);line-height:1.6}
.assumptions-block{background:#fff;border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow)}
.assumptions-block h3{font-size:1rem;font-weight:700;margin-bottom:.75rem}
.assumptions-block ul{padding-left:1.25rem;font-size:.85rem;color:var(--gray-600)}
.assumptions-block li{margin-bottom:.4rem}

/* Modal */
.modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:1rem}
.modal[hidden]{display:none}
.modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,.5)}
.modal-content{position:relative;background:#fff;border-radius:var(--radius-lg);padding:2rem;max-width:520px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}
.modal-narrow{max-width:400px;text-align:center}
.modal-content h2{margin-bottom:1.25rem;font-size:1.2rem}
.receipt-preview{max-width:100%;border-radius:var(--radius);margin-bottom:1rem}

/* Footer */
.site-footer{background:var(--gray-900);color:var(--gray-400);padding:3rem 0 1.5rem;font-size:.85rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
.footer-brand p{margin-top:.5rem;font-size:.85rem}
.footer-links h4{color:#fff;font-size:.9rem;margin-bottom:.75rem}
.footer-links a{display:block;color:var(--gray-400);margin-bottom:.4rem;font-size:.85rem}.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid var(--gray-700);padding-top:1rem;text-align:center;font-size:.8rem}

/* Print */
@media print{.site-header,.site-footer,.hero,.add-section,.guide-section,.filter-bar,.dashboard-actions,.item-actions,.btn{display:none!important}body{background:#fff;color:#000}.item-card{break-inside:avoid;border:1px solid #ccc;box-shadow:none}.container{max-width:100%;padding:0}}

/* Responsive */
@media(max-width:768px){.hero h1{font-size:1.6rem}.hero-sub{font-size:.95rem}.form-grid{grid-template-columns:1fr}.stats-row{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.item-card{grid-template-columns:1fr}.item-status{text-align:left}.nav{gap:.8rem}.nav a{font-size:.8rem}}
@media(max-width:480px){.container{padding:0 1rem}.hero{padding:2.5rem 0}.section-header{flex-direction:column;align-items:flex-start}.presets{flex-direction:column;align-items:flex-start}}


/* 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;
}