/* Invoice Generator - style.css */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
    --primary:#2d3436;--accent:#0984e3;--bg:#f0f2f5;--card:#fff;
    --text:#2d3436;--text-light:#636e72;--border:#dfe6e9;
    --radius:12px;--shadow:0 2px 16px rgba(0,0,0,0.07);
}
.dark{
    --bg:#1a1a2e;--card:#16213e;--text:#e0e0e0;--text-light:#a0a0b0;
    --border:#2a2a4a;--shadow:0 2px 16px rgba(0,0,0,0.3);
}
body{font-family:'Noto Sans JP',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);line-height:1.6;transition:background 0.3s,color 0.3s}

header{background:linear-gradient(135deg,#2d3436,#636e72,var(--accent));color:#fff;padding:2.5rem 1rem 2rem}
.header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}
.header-inner>div{text-align:left}
header h1{font-size:2.2rem;font-weight:800}
header p{opacity:0.9;margin-top:0.4rem;font-size:1.05rem}
.dark-toggle{background:rgba(255,255,255,0.15);border:2px solid rgba(255,255,255,0.3);border-radius:50%;width:44px;height:44px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;transition:background 0.2s;flex-shrink:0}
.dark-toggle:hover{background:rgba(255,255,255,0.25)}
.dark .form-grid input,.dark .item-row input,.dark .item-row select{background:var(--card);color:var(--text);border-color:var(--border)}

main{max-width:1200px;margin:2rem auto;padding:0 1rem;display:grid;grid-template-columns:380px 1fr;gap:2rem}
.panel{background:var(--card);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}
.panel h2{font-size:1.1rem;margin-bottom:1rem;padding-bottom:0.5rem;border-bottom:2px solid var(--accent);color:var(--accent)}

.section-title{font-size:0.88rem;font-weight:700;color:var(--text-light);margin:1rem 0 0.5rem;display:flex;align-items:center;gap:0.5rem}
.form-grid{display:grid;grid-template-columns:1fr;gap:0.5rem}
.form-grid label{display:flex;flex-direction:column;font-size:0.78rem;font-weight:600;color:var(--text-light)}
.form-grid input{padding:0.45rem 0.6rem;border:2px solid var(--border);border-radius:6px;font-size:0.85rem;margin-top:0.15rem;font-family:inherit}
.form-grid input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(9,132,227,0.12)}

/* Item Rows */
.item-row{display:grid;grid-template-columns:2fr 1fr 1.2fr 0.8fr auto;gap:0.3rem;margin-bottom:0.4rem;align-items:end}
.item-row label{font-size:0.72rem;font-weight:600;color:var(--text-light);display:flex;flex-direction:column}
.item-row input,.item-row select{padding:0.35rem 0.4rem;border:1.5px solid var(--border);border-radius:5px;font-size:0.82rem;font-family:inherit}
.item-row input:focus,.item-row select:focus{outline:none;border-color:var(--accent)}
.btn-del{background:#ff7675;color:#fff;border:none;border-radius:5px;padding:0.35rem 0.5rem;cursor:pointer;font-size:0.8rem;align-self:end;margin-bottom:1px}
.btn-del:hover{background:#d63031}
.btn-small{background:var(--accent);color:#fff;border:none;border-radius:5px;padding:0.25rem 0.6rem;cursor:pointer;font-size:0.78rem}
.btn-small:hover{opacity:0.85}

/* Hanko Upload */
.hanko-upload{margin-bottom:0.5rem}
.hanko-area{display:flex;align-items:center;gap:0.6rem;flex-wrap:wrap}
.hanko-hint{font-size:0.72rem;color:var(--text-light)}
.hanko-preview-wrap{display:flex;align-items:center;gap:0.6rem}
.hanko-preview-img{width:60px;height:60px;object-fit:contain;border:1px solid var(--border);border-radius:4px;background:#fff}
.template-actions{display:flex;gap:0.5rem;flex-wrap:wrap}
/* Invoice Hanko on preview */
.inv-hanko{margin-top:0.5rem}
.inv-hanko-img{width:60px;height:60px;object-fit:contain}

.form-actions{display:flex;gap:0.6rem;margin-top:1.2rem}
.btn-primary,.btn-secondary{flex:1;padding:0.7rem;border-radius:8px;font-size:0.9rem;font-weight:700;cursor:pointer;border:2px solid var(--accent);font-family:inherit;transition:all 0.2s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{opacity:0.9}
.btn-secondary{background:#fff;color:var(--accent)}
.btn-secondary:hover{background:var(--accent);color:#fff}
.usage{text-align:center;font-size:0.82rem;color:var(--text-light);margin-top:0.8rem}

/* Invoice Preview */
.invoice-preview{padding:2rem;font-size:0.9rem}
.inv-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem}
.inv-title{font-size:1.6rem;color:var(--primary);border-bottom:none;letter-spacing:0.3em;margin:0;padding:0}
.inv-meta{text-align:right;font-size:0.82rem;line-height:1.7}
.inv-parties{display:flex;justify-content:space-between;margin-bottom:1.5rem;gap:1rem}
.inv-to,.inv-from{flex:1;font-size:0.85rem;line-height:1.7}
.inv-to{border-bottom:2px solid var(--primary);padding-bottom:0.5rem}
.inv-from{text-align:right;font-size:0.8rem;color:var(--text-light)}

.inv-table{width:100%;border-collapse:collapse;margin-bottom:1rem;font-size:0.85rem}
.inv-table th{background:#f8f9fa;border:1px solid #ddd;padding:0.5rem;text-align:center;font-size:0.78rem}
.inv-table td{border:1px solid #ddd;padding:0.45rem 0.6rem;text-align:right}
.inv-table td:first-child{text-align:left}
.inv-totals{text-align:right;font-size:0.88rem;line-height:2;margin-bottom:1rem}
.inv-totals .total-row{font-weight:bold;font-size:1.1rem;color:var(--accent);border-top:2px solid var(--primary);padding-top:0.3rem}
.inv-bank{background:#f8f9fa;padding:0.8rem;border-radius:6px;font-size:0.82rem;margin-bottom:0.5rem;line-height:1.7}
.inv-note{font-size:0.8rem;color:var(--text-light);font-style:italic}

/* Premium */
.premium-banner{max-width:1200px;margin:2rem auto;padding:2rem 1.5rem;background:linear-gradient(135deg,#2d3436,var(--accent));color:#fff;border-radius:var(--radius);text-align:center;box-shadow:0 4px 20px rgba(0,0,0,0.15)}
.premium-banner h2{font-size:1.4rem;margin-bottom:1rem}
.pro-features{display:flex;justify-content:center;flex-wrap:wrap;gap:0.6rem;margin-bottom:1.5rem}
.pro-features span{background:rgba(255,255,255,0.2);padding:0.35rem 0.8rem;border-radius:20px;font-size:0.85rem}
.pro-features span::before{content:"\2713 "}
.btn-premium{padding:0.8rem 2.5rem;background:#fff;color:var(--accent);border:none;border-radius:8px;font-size:1rem;font-weight:700;cursor:pointer}
.btn-premium:hover{transform:scale(1.03)}

.ad-space{max-width:1200px;margin:1rem auto;padding:0.8rem;background:#e9ecef;text-align:center;border-radius:8px;color:#adb5bd;font-size:0.78rem;min-height:60px;display:flex;align-items:center;justify-content:center}
.ad-space::after{content:"Ad Space (Google AdSense)"}
/* Why Section */
.why-section{max-width:1200px;margin:2.5rem auto;padding:0 1rem}
.why-section h2{text-align:center;font-size:1.5rem;margin-bottom:1.5rem;color:var(--text)}
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem}
.why-card{background:var(--card);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow);border-left:4px solid var(--accent)}
.why-card h3{font-size:1rem;color:var(--accent);margin-bottom:0.5rem}
.why-card p{font-size:0.9rem;color:var(--text-light);line-height:1.7}
/* Feedback */
.feedback-section{max-width:600px;margin:2rem auto;text-align:center;padding:0 1rem}
.feedback-section h2{font-size:1.2rem;margin-bottom:0.5rem}
.feedback-section p{font-size:0.9rem;color:var(--text-light);margin-bottom:1rem}
.btn-feedback{display:inline-block;padding:0.6rem 2rem;background:var(--card);color:var(--accent);border:2px solid var(--accent);border-radius:8px;text-decoration:none;font-weight:600;font-size:0.9rem;transition:all 0.2s}
.btn-feedback:hover{background:var(--accent);color:#fff}

footer{text-align:center;padding:2rem 1rem;color:var(--text-light);font-size:0.83rem}
footer a{color:var(--accent);text-decoration:none}

@media(max-width:900px){main{grid-template-columns:1fr;gap:1.2rem}.why-grid{grid-template-columns:1fr}.header-inner{flex-direction:row;gap:0.5rem}}
@media(max-width:480px){.item-row{grid-template-columns:1fr 1fr;gap:0.3rem}.panel{padding:1rem}header h1{font-size:1.5rem}}

/* Print */
@media print{
    .no-print{display:none!important}
    body{background:#fff;margin:0;font-size:11pt}
    main{display:block;max-width:none;margin:0;padding:0}
    .invoice-preview{box-shadow:none;border-radius:0;padding:15mm 20mm}
    .premium-banner,.ad-space{display:none}
}
.skip-to-content{position:absolute;top:-100%;left:0;background:var(--accent,#4a6cf7);color:#fff;padding:8px 16px;z-index:10000;font-size:.9rem;border-radius:0 0 4px 0;transition:top .2s}.skip-to-content:focus{top:0}