/* Spaces WiFi portal builder — shared styles (canonical light theme). */
:root{
  --brand:#2563eb; --brand-hover:#1d4ed8; --brand-soft:rgba(37,99,235,.12);
  --ink:#18202e; --ink2:#3e4757; --muted:#69738a;
  --bg:#eef1f7; --panel:#ffffff; --line:rgba(105,120,150,.24);
  --ok-bg:#e7f7ee; --ok-ink:#0f7a44; --ok-line:#bfe8d0;
  --bad-bg:#fdeaea; --bad-ink:#b42318; --bad-line:#f5c6c6;
  --shadow:0 6px 18px rgba(30,40,70,.07),0 24px 60px rgba(30,40,70,.12);
}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);font-size:15px;line-height:1.6;background:var(--bg);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  background-image:radial-gradient(55% 40% at 15% 0%, rgba(99,140,255,.16), transparent 60%),
                   radial-gradient(45% 38% at 92% 8%, rgba(167,124,255,.12), transparent 60%);
  background-attachment:fixed}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}

/* top bar */
.top{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{font-weight:800;font-size:17px;letter-spacing:.02em;color:var(--ink)}
.brand span{color:var(--brand)}
.brand small{display:block;font-weight:600;font-size:10.5px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.top nav{display:flex;gap:18px;align-items:center;font-size:13.5px;font-weight:600}

/* buttons */
.btn{display:inline-block;padding:12px 22px;border:0;border-radius:12px;background:var(--brand);color:#fff;
  font-weight:700;font-size:14.5px;cursor:pointer;transition:.15s;font-family:inherit}
.btn:hover{background:var(--brand-hover);box-shadow:0 8px 20px var(--brand-soft);text-decoration:none;color:#fff}
.btn.ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.btn.ghost:hover{background:var(--brand-soft);box-shadow:none}
.btn.big{padding:15px 28px;font-size:16px}
.btnsm{display:inline-block;padding:7px 14px;border-radius:9px;border:1px solid var(--line);background:#fff;
  color:var(--ink2);font-size:12.5px;font-weight:700;cursor:pointer;transition:.12s;font-family:inherit}
.btnsm:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.btnsm.on{background:var(--brand);border-color:var(--brand);color:#fff}

/* cards & panels */
.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}
.note{background:rgba(219,234,254,.75);border:1px solid rgba(147,197,253,.8);border-radius:12px;
  padding:11px 14px;font-size:13px;color:#1e40af;line-height:1.6}
.alert-ok{background:var(--ok-bg);border:1px solid var(--ok-line);color:var(--ok-ink);border-radius:12px;padding:11px 14px;font-size:13.5px}
.alert-bad{background:var(--bad-bg);border:1px solid var(--bad-line);color:var(--bad-ink);border-radius:12px;padding:11px 14px;font-size:13.5px}

/* forms */
label{display:block;font-size:12px;color:var(--muted);margin:12px 0 0;font-weight:600}
input,select,textarea{width:100%;padding:10px 12px;margin-top:5px;border-radius:10px;border:1px solid var(--line);
  background:#fdfdfe;color:var(--ink);font-size:13.5px;font-family:inherit}
textarea{resize:vertical;min-height:70px;line-height:1.5}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
input[type=color]{padding:3px;height:40px;width:60px;cursor:pointer}
input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--brand)}
input[type=file]{padding:7px;font-size:12px;background:#fff}
.muted{color:var(--muted)}

/* landing hero */
.hero{padding:40px 0 26px;text-align:center}
.hero h1{font-size:clamp(28px,4.6vw,44px);line-height:1.15;margin:0 0 14px;letter-spacing:-.015em;font-weight:800}
.hero h1 em{color:var(--brand);font-style:normal}
.hero .lede{max-width:640px;margin:0 auto 8px;color:var(--ink2);font-size:17px}
.hero .fine{font-size:13px;color:var(--muted)}

/* preset grid */
.presets{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:14px;margin:26px 0 10px}
.preset{display:flex;gap:12px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:16px;cursor:pointer;transition:.15s;box-shadow:var(--shadow);color:var(--ink);font-weight:700;font-size:14.5px}
.preset:hover{border-color:var(--brand);transform:translateY(-2px);text-decoration:none}
.preset .ic{font-size:26px;flex:none}
.preset small{display:block;font-weight:500;font-size:12px;color:var(--muted)}

/* landing sections */
.section{padding:34px 0}
.section h2{font-size:24px;margin:0 0 8px;letter-spacing:-.01em}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:18px 0 0;padding:0;list-style:none;counter-reset:s}
.steps li{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow);counter-increment:s}
.steps li::before{content:counter(s);display:inline-flex;width:26px;height:26px;border-radius:999px;background:var(--brand);
  color:#fff;font-weight:800;font-size:13px;align-items:center;justify-content:center;margin-bottom:8px}
.steps h3{margin:0 0 4px;font-size:15px}
.steps p{margin:0;font-size:13px;color:var(--ink2)}

.foot{text-align:center;font-size:12px;color:var(--muted);padding:30px 0 40px}

/* ---------- builder layout ---------- */
.builder{display:flex;gap:20px;align-items:flex-start;padding:14px 0 50px;flex-wrap:wrap}
.panel-ctl{flex:1 1 360px;min-width:320px;max-width:460px}
.panel-prev{flex:1.4 1 460px;min-width:340px;position:sticky;top:14px}
.ctl-sec{margin:0 0 14px}
.ctl-sec h2{font-size:13px;margin:0 0 2px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
@media(max-width:480px){.grid2{grid-template-columns:1fr}}
.imgrow{display:flex;gap:12px;align-items:center;margin:12px 0 0;padding:10px;border:1px solid var(--line);border-radius:12px}
.imgrow img{width:64px;height:48px;object-fit:cover;border-radius:8px;border:1px solid var(--line);flex:none}
.imgrow .ph{width:64px;height:48px;border-radius:8px;border:1px dashed var(--line);flex:none;display:flex;
  align-items:center;justify-content:center;font-size:10px;color:var(--muted)}
.imgrow b{font-size:12.5px;display:block}
.devbar{display:flex;gap:8px;align-items:center;justify-content:space-between;margin-bottom:10px;flex-wrap:wrap}
.devbar .modes{display:flex;gap:6px}
.frame-phone{width:min(400px,100%);margin:0 auto;border:10px solid #18202e;border-radius:34px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.frame-phone iframe{width:100%;height:680px;border:0;display:block;background:#fff}
.frame-desktop{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.frame-desktop .chrome{display:flex;gap:5px;padding:9px 12px;background:#eef1f7;border-bottom:1px solid var(--line)}
.frame-desktop .chrome i{width:9px;height:9px;border-radius:99px;background:#cbd5e1;display:block}
.frame-desktop iframe{width:100%;height:620px;border:0;display:block;background:#fff}

/* save modal */
.modal-bg{position:fixed;inset:0;background:rgba(24,32,46,.45);backdrop-filter:blur(3px);z-index:50;
  display:flex;align-items:center;justify-content:center;padding:16px}
.modal{background:#fff;border-radius:18px;max-width:430px;width:100%;padding:24px;box-shadow:var(--shadow);
  max-height:92vh;overflow:auto}
.modal h2{margin:0 0 4px;font-size:19px}
.hp{position:absolute;left:-9999px;top:-9999px}