/* DogYearCalc.com - Master Stylesheet */

*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0b0b14;--surface:#14142a;--primary:#ff6b35;--primary-hover:#e85a2a;--text:#e0e0e0;--heading:#fff;--muted:#a0a0b0;--border:#2a2a3a;--green:#4ade80;--amber:#fbbf24;--red:#ef4444;--blue:#60a5fa;--radius:12px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;line-height:1.6;color:var(--text);background:var(--bg);min-height:100vh}
a{color:var(--primary);text-decoration:underline}
main a{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
header{text-align:center;padding:32px 20px 20px;border-bottom:1px solid var(--border);margin-bottom:30px}
header h1{font-size:clamp(1.6rem,4vw,2.4rem);color:var(--heading)}
header p{color:var(--muted);font-size:.95rem;margin-top:6px}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:30px}
@media(max-width:768px){.calc-grid{grid-template-columns:1fr}}
.card{background:linear-gradient(135deg,rgba(255,107,53,0.06),var(--surface) 60%,var(--surface));border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.card h2{font-size:1.1rem;color:var(--heading);margin-bottom:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:4px}
.form-group select,.form-group input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:#1a1a30;color:var(--text);font-size:.95rem;outline:none;transition:border-color .2s}
.form-group select:focus,.form-group input:focus{border-color:var(--primary)}
.form-group input[type=range]{padding:0;border:none;background:0 0;accent-color:var(--primary);height:6px}
.range-row{display:flex;align-items:center;gap:12px}
.range-row input[type=range]{flex:1}
.range-row input[type=number]{width:80px;text-align:center}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.switch-btn{display:flex;background:#1a1a30;border-radius:8px;border:1px solid var(--border);overflow:hidden;margin-bottom:16px}
.switch-btn button{flex:1;padding:8px;border:none;background:0 0;color:var(--muted);cursor:pointer;font-size:.85rem;transition:all .2s}
.switch-btn button.active{background:#c94710;color:#fff}
.breed-select{position:relative}
.breed-select input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:#1a1a30;color:var(--text);font-size:.85rem;outline:none}
.breed-dropdown{position:absolute;top:100%;left:0;right:0;background:#1a1a30;border:1px solid var(--border);border-radius:8px;max-height:200px;overflow-y:auto;z-index:10;display:none}
.breed-dropdown div{padding:8px 12px;cursor:pointer;font-size:.85rem;border-bottom:1px solid var(--border)}
.breed-dropdown div:hover,.breed-dropdown div.highlighted{background:var(--primary);color:#fff}
.formula-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.formula-tabs button{flex:1;min-width:80px;padding:6px 10px;border:1px solid var(--border);border-radius:6px;background:0 0;color:var(--muted);cursor:pointer;font-size:.75rem;transition:all .2s}
.formula-tabs button.active{background:#c94710;color:#fff;border-color:#c94710}
.result-display{text-align:center;padding:20px 0}
.result-number{font-size:clamp(2.5rem,5vw,4rem);font-weight:800;color:var(--primary)}
.hero-result::after{content:'';display:block;width:40px;height:2px;background:var(--primary);margin:8px auto 0;border-radius:2px}
.section-divider{height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent);margin:40px 0}
.header-art{margin-bottom:12px}
header .header-art{display:flex;justify-content:center}
.multi-dog-toggle:hover{border-color:var(--primary);background:rgba(255,107,53,0.05)}
.formula-tabs button:hover{border-color:var(--primary);color:var(--primary)}
.formula-tabs button.active:hover{background:#c94710;color:#fff;border-color:#c94710}
.chart-table tr:hover td{background:rgba(255,255,255,.06)}
.result-label{color:var(--muted);font-size:.9rem;margin-top:2px}
.result-details{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.detail-item{background:#1a1a30;border-radius:8px;padding:12px;text-align:center}
.detail-item .label{font-size:.75rem;color:var(--muted)}
.detail-item .value{font-size:1rem;font-weight:600;color:var(--heading);margin-top:2px}
.life-stage-bar{margin-top:20px;background:#1a1a30;border-radius:8px;padding:16px}
.stage-header{display:flex;justify-content:space-between;margin-bottom:8px}
.stage-header span{font-size:.8rem;color:var(--muted)}
.progress-track{height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin-bottom:8px}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--green),var(--amber),var(--red));border-radius:4px;transition:width .3s}
.stage-label{font-size:.85rem;font-weight:600;color:var(--heading);text-align:center;margin-top:4px}
.health-tip{background:linear-gradient(135deg,rgba(255,107,53,.1),rgba(96,165,250,.1));border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-top:16px}
.health-tip h3{font-size:.9rem;color:var(--blue);margin-bottom:4px}
.health-tip p{font-size:.85rem;color:var(--muted)}
/* Chart table */
.chart-section{margin-bottom:30px}
.chart-section h2{font-size:1.2rem;color:var(--heading);margin-bottom:16px}
.chart-table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius);overflow:hidden}
.chart-table th,.chart-table td{padding:8px 12px;text-align:center;font-size:.85rem;border-bottom:1px solid var(--border)}
.chart-table th{background:rgba(255,107,53,.15);color:var(--primary);font-weight:600}

.chart-table .age-cell{font-weight:600;color:var(--heading)}
/* Multi-dog */
.multi-dog{margin-bottom:30px}
.multi-dog-toggle{background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);padding:16px;text-align:center;cursor:pointer;transition:all .2s;font-size:.9rem;color:var(--muted)}
.multi-dog-toggle:hover{border-color:var(--primary);color:var(--primary)}
.multi-dog-content{display:none;margin-top:16px}
.multi-dog-content.open{display:block}
.dog-entry{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:16px;margin-bottom:12px;position:relative}
.dog-entry .remove-btn{position:absolute;top:8px;right:8px;background:0 0;border:none;color:var(--red);cursor:pointer;font-size:1rem}
.add-dog-btn{background:0 0;border:1px dashed var(--border);border-radius:8px;padding:10px;color:var(--muted);cursor:pointer;font-size:.85rem;width:100%;transition:all .2s}
.add-dog-btn:hover{border-color:var(--primary);color:var(--primary)}
.content-page{padding:30px 0}
.content-page h2{color:var(--heading);font-size:1.3rem;margin:24px 0 12px}
.content-page h3{color:var(--heading);font-size:1.05rem;margin:20px 0 8px}
.content-page p{color:var(--text);margin-bottom:12px;font-size:.95rem}
.content-page ul,.content-page ol{padding-left:20px;margin-bottom:12px;color:var(--text);font-size:.95rem}
.content-page li{margin-bottom:4px}
.content-page table{width:100%;border-collapse:collapse;margin:16px 0}
.content-page th,.content-page td{padding:8px 12px;text-align:left;font-size:.85rem;border:1px solid var(--border)}
.content-page th{background:rgba(255,107,53,.12);color:var(--primary)}
.faq-item{border-bottom:1px solid var(--border);padding:16px 0}
.faq-item:last-child{border-bottom:none}
.faq-q{font-weight:600;color:var(--heading);cursor:pointer;font-size:.95rem}
.faq-a{color:var(--muted);font-size:.9rem;margin-top:8px;display:none}
.faq-a.open{display:block}
footer{text-align:center;padding:30px 20px;color:var(--muted);font-size:.85rem}
footer a{color:var(--primary);text-decoration:underline}
main a{text-decoration:underline}
.footer-nav{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:12px;font-size:.9rem}
.footer-dot{color:var(--border)}
.content-page a,.content a{color:var(--primary);text-decoration:underline}
main a{text-decoration:underline}
.calc-link{color:var(--primary);text-decoration:none;font-size:.85rem}
.calc-link:hover{text-decoration:underline}
.badge{display:inline-block;background:rgba(255,107,53,.15);color:var(--primary);padding:2px 10px;border-radius:20px;font-size:.75rem;font-weight:600}
@media(max-width:600px){.card{padding:16px}.form-row{grid-template-columns:1fr}.formula-tabs button{min-width:60px;font-size:.7rem}}