/* AI Post Creator — MVP v1 : mobile-first clean design */
:root{
  --brand:#c2410c; --brand-dark:#9a3412; --bg:#fff7ed; --card:#ffffff;
  --ink:#1c1917; --muted:#78716c; --line:#fde68a; --ok:#15803d; --err:#b91c1c;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}
.wrap{max-width:760px;margin:0 auto;padding:16px}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:#fff;border-bottom:2px solid var(--line);position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-weight:700;font-size:18px}
.brand img{border-radius:8px}
.topbar nav{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.topbar nav a{text-decoration:none;color:var(--ink);font-size:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin:14px 0;box-shadow:0 2px 8px rgba(194,65,12,.06)}
.card h2{margin:0 0 10px;font-size:20px}
.card h3{margin:14px 0 8px;font-size:16px}
label{display:block;font-size:14px;font-weight:600;margin:10px 0 4px}
input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{width:100%;padding:10px;border:1px solid #e7c873;border-radius:10px;font-size:15px;background:#fffdf7}
textarea{min-height:80px;resize:vertical}
.btn{display:inline-block;background:var(--brand);color:#fff;border:none;border-radius:10px;padding:12px 20px;font-size:16px;font-weight:600;cursor:pointer;text-decoration:none;margin:6px 4px 6px 0}
.btn:hover{background:var(--brand-dark)}
.btn.small{padding:7px 14px;font-size:14px}
.btn.ghost{background:#fff;color:var(--brand);border:2px solid var(--brand)}
.btn:disabled{opacity:.55;cursor:wait}
.notice{border-radius:10px;padding:10px 14px;margin:10px 0;font-size:14px}
.notice.info{background:#eff6ff;border:1px solid #bfdbfe}
.notice.success{background:#f0fdf4;border:1px solid #bbf7d0;color:var(--ok)}
.notice.error{background:#fef2f2;border:1px solid #fecaca;color:var(--err)}
.creative img{width:100%;border-radius:12px;display:block}
.copybox{background:#fffdf7;border:1px dashed #e7c873;border-radius:10px;padding:12px;white-space:pre-wrap;font-size:15px;margin:10px 0}
.day{border:1px solid var(--line);border-radius:12px;padding:12px;margin:10px 0;background:#fffdf7}
.day h4{margin:0 0 6px}
.day img{width:100%;border-radius:10px;margin-top:8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:520px){.grid2{grid-template-columns:1fr}}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:8px;border-bottom:1px solid #f5e6c4}
th{background:#fff7ed}
.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:700}
.badge.trial{background:#fef3c7;color:#92400e}
.badge.paid{background:#dcfce7;color:#166534}
.badge.off{background:#fee2e2;color:#991b1b}
.hero{text-align:center;padding:26px 10px}
.hero h1{font-size:30px;margin:8px 0}
.hero p{color:var(--muted)}
.kbd{font-size:12px;color:var(--muted)}
.foot{text-align:center;color:var(--muted);font-size:13px;padding:20px 10px 40px}
.spin{display:inline-block;width:16px;height:16px;border:2px solid #fff;border-top-color:transparent;border-radius:50%;animation:sp 0.8s linear infinite;vertical-align:-3px;margin-right:6px}
@keyframes sp{to{transform:rotate(360deg)}}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}