/* หน้าสมัครใช้งาน (register.html) — ใช้สี/ฟอนต์ชุดเดียวกับ app.css (รองรับโหมดมืดผ่านตัวแปรสี) */
body.reg{height:auto;scroll-behavior:smooth}
.reg .grow{flex:1}
.reg .btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none;color:inherit}
.reg .btn.primary{color:var(--brand-ink)}
.reg .btn.big{min-height:48px;padding:.6rem 1.3rem;font-size:1.05rem;border-radius:12px}
.reg .btn.wide{width:100%}

.rg-top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:10px max(16px,calc((100% - 1120px)/2));background:color-mix(in srgb,var(--panel) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.rg-brand{font-weight:700;color:var(--ink);text-decoration:none;white-space:nowrap}
.rg-brand span{color:var(--brand)}
.rg-nav{display:flex;gap:4px;margin-left:12px}
.rg-nav a{color:var(--muted);text-decoration:none;padding:6px 10px;border-radius:8px}
.rg-nav a:hover{color:var(--brand);background:color-mix(in srgb,var(--brand) 8%,transparent)}
@media (max-width:760px){.rg-nav{display:none}.rg-brand{font-size:.95rem;white-space:normal;line-height:1.2}}

.rg-hero{background:linear-gradient(90deg,color-mix(in srgb,var(--bg) 94%,transparent) 0%,color-mix(in srgb,var(--bg) 80%,transparent) 55%,color-mix(in srgb,var(--bg) 25%,transparent) 100%),url('../img/login-bg.webp') center/cover no-repeat;padding:64px 16px 72px}
.rg-hero-in{max-width:1120px;margin:0 auto}
.rg-tag{display:inline-block;background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand);font-weight:600;padding:4px 12px;border-radius:999px;font-size:.9rem;margin:0 0 14px}
.rg-hero h1{font-size:clamp(1.7rem,4.2vw,2.7rem);line-height:1.25;margin:0 0 14px;max-width:760px}
.rg-hero h1 small{display:block;font-size:.55em;font-weight:600;color:var(--muted);margin-top:6px}
.rg-lead{font-size:1.08rem;max-width:620px;margin:0 0 22px;color:var(--ink)}
.rg-cta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.rg-points{list-style:none;display:flex;flex-wrap:wrap;gap:6px 18px;padding:0;margin:0;color:var(--ok);font-weight:600}

.rg-sec{max-width:1120px;margin:0 auto;padding:56px 16px;scroll-margin-top:60px}
.rg-sec.alt{max-width:none;background:color-mix(in srgb,var(--brand) 5%,var(--bg))}
.rg-sec.alt>*{max-width:1088px;margin-left:auto;margin-right:auto}
.rg-sec h2{font-size:clamp(1.4rem,3vw,1.9rem);margin:0 0 6px;text-align:center}
.rg-sub{text-align:center;color:var(--muted);margin:0 auto 26px;max-width:640px}

.rg-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.rg-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.rg-card i{font-style:normal;font-size:1.8rem;display:block;margin-bottom:6px}
.rg-card h3{margin:0 0 6px;font-size:1.1rem}
.rg-card p{margin:0;color:var(--muted);line-height:1.6}

.rg-steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;padding:0;margin:26px auto 0}
.rg-steps li{counter-increment:s;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px 18px 18px 64px;position:relative;min-height:76px}
.rg-steps li::before{content:counter(s);position:absolute;left:18px;top:18px;width:34px;height:34px;border-radius:50%;background:var(--brand);color:var(--brand-ink);display:grid;place-items:center;font-weight:700}
.rg-steps b{display:block;margin-bottom:2px}.rg-steps span{color:var(--muted);font-size:.95rem}

.rg-price{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:22px}
.rg-pk{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px;position:relative;display:flex;flex-direction:column}
.rg-pk.hot{border:2px solid var(--brand);box-shadow:0 8px 28px color-mix(in srgb,var(--brand) 18%,transparent)}
.rg-badge{position:absolute;top:-12px;left:22px;background:var(--brand);color:var(--brand-ink);font-size:.8rem;font-weight:700;padding:3px 10px;border-radius:999px}
.rg-pk h3{margin:0 0 4px}.rg-amt{font-size:1.9rem;font-weight:700;margin:0 0 10px;color:var(--brand)}
.rg-amt small{font-size:.9rem;color:var(--muted);font-weight:400;margin-left:4px}
.rg-pk ul{margin:0 0 16px;padding-left:1.2rem;flex:1;line-height:1.7}
.rg-ask{max-width:640px;margin:22px auto 0;text-align:center}
.rg-ask .row{justify-content:center;flex-wrap:wrap;gap:8px;margin-top:10px}

.rg-form{max-width:760px;margin:0 auto;padding:24px}
.rg-form .full{grid-column:1/-1}
.reg .req{color:var(--err);font-weight:700}
.rg-grades{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;padding:6px 0}
.reg label.chk{display:inline-flex;align-items:center;gap:.45rem;cursor:pointer}
.reg label.chk input{width:18px;height:18px}
.rg-consent{margin:14px 0 4px;color:var(--muted)}
.rg-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.rg-done{max-width:640px;margin:0 auto;text-align:center;padding:28px}
.rg-ok{width:60px;height:60px;border-radius:50%;background:var(--ok);color:#fff;font-size:2rem;display:grid;place-items:center;margin:0 auto 10px}
.rg-ref{font-size:1.15rem;letter-spacing:.08em;color:var(--brand)}
.rg-bank{background:var(--bg);border:1px dashed var(--line);border-radius:12px;padding:12px;margin:12px auto;max-width:420px;line-height:1.7}
.rg-done .row{flex-wrap:wrap;gap:8px}

.rg-faq{max-width:760px;margin:22px auto 0;display:grid;gap:10px}
.rg-faq details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 16px}
.rg-faq summary{cursor:pointer;font-weight:600}
.rg-faq p{margin:8px 0 0;color:var(--muted);line-height:1.6}

.rg-foot{border-top:1px solid var(--line);padding:28px 16px 40px;text-align:center}
.rg-foot .row{justify-content:center;flex-wrap:wrap;gap:8px;margin-top:8px}
.rg-top .btn{white-space:nowrap}
.rg-pdpa{scroll-margin-top:70px}
.rg-pdpa-body{color:var(--ink);line-height:1.7;margin-top:8px}
.rg-pdpa-body p{color:var(--ink)}
.rg-pdpa-body ol{padding-left:1.3rem;margin:.4rem 0}
.rg-pdpa-body li{margin:.45rem 0}
.rg-consent span{line-height:1.5}
.rg-consent a{color:var(--brand)}
/* สั่งซื้ออัตโนมัติ */
.rg-order{max-width:760px;margin:0 auto;display:grid;gap:14px}
.rg-stepcard{padding:20px 22px}
.rg-stepcard h3{display:flex;align-items:center;gap:10px;margin:0 0 12px}
.rg-n{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--brand);color:var(--brand-ink);font-size:.95rem;flex:none}
.rg-total{margin-top:10px;padding:12px 14px;border-radius:12px;background:color-mix(in srgb,var(--brand) 8%,transparent);font-size:1.05rem}
.rg-total b{font-size:1.6rem;color:var(--brand);margin:0 4px}
.rg-bankbox{display:grid;gap:8px;padding:14px 16px;border:1px dashed var(--line);border-radius:12px;background:var(--bg)}
.rg-bankbox>div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rg-bankbox .hint{min-width:84px}
.rg-accno{font-size:1.35rem;letter-spacing:.04em}
.rg-amt2{font-size:1.35rem;color:var(--brand)}
.rg-slip{display:flex;align-items:center;justify-content:center;min-height:44px;border:1px dashed var(--brand);border-radius:10px;cursor:pointer;color:var(--brand);background:color-mix(in srgb,var(--brand) 5%,transparent);padding:.4rem .7rem;text-align:center}
.rg-slip input{display:none}
.rg-slipimg{max-height:320px;max-width:100%;border-radius:10px;border:1px solid var(--line)}
.rg-code{font:700 clamp(1.4rem,4.5vw,2rem)/1.3 ui-monospace,Menlo,Consolas,monospace;letter-spacing:.08em;color:var(--brand);background:var(--bg);border:2px dashed var(--brand);border-radius:12px;padding:14px;margin:12px auto;max-width:520px;user-select:all;word-break:break-all}
.rg-warn{background:color-mix(in srgb,var(--warn) 12%,transparent);border:1px solid var(--warn);border-radius:10px;padding:10px 12px;text-align:left}
.rg-ok.wait{background:var(--warn)}

/* วันเวลาที่โอน: เลือก วัน เดือน ปี พ.ศ. เวลา 24 ชม. */
.rg-dt{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.rg-dt select{width:auto;min-width:64px}
.rg-dt .rg-at{margin-left:6px;color:var(--muted)}

.rg-stats{margin:10px 0 0;font-size:.85rem;color:var(--muted)}
.rg-stats b{color:var(--ink)}