/* S21GEM sign-up · transceiver faceplate theme. System fonts only, no external requests. */
:root{
  --night:#0B1D2E;      /* shack at night */
  --panel:#13314F;      /* rig faceplate */
  --panel-2:#183B5E;
  --edge:#24486F;
  --amber:#F5A524;      /* dial / LCD backlight */
  --amber-dim:#7A5A1E;
  --glass:#140F06;      /* LCD glass */
  --teal:#1FA99B;       /* signal */
  --red:#E5484D;
  --ink:#EAF1F8;
  --muted:#9FB3C8;
  --paper:#FFFFFF;
  --paper-ink:#13314F;
  --sans: system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono: ui-monospace,"SF Mono","Cascadia Mono","Roboto Mono",Menlo,Consolas,"DejaVu Sans Mono",monospace;
  --r:14px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--night);color:var(--ink);font:16px/1.5 var(--sans);
  background-image:radial-gradient(1200px 500px at 50% -200px,#16395c 0%,transparent 70%);min-height:100vh}
.wrap{max-width:600px;margin:0 auto;padding:20px 16px 40px}
.top{display:flex;align-items:center;gap:8px;font-weight:700;letter-spacing:.06em;font-size:13px;color:var(--amber);text-transform:uppercase}
.top .mark{display:inline-flex;color:var(--amber)}
.top .sep{color:var(--amber-dim)}
.top .dim{color:var(--muted);font-weight:600;letter-spacing:.04em}
h1{font-size:clamp(28px,7vw,38px);line-height:1.1;margin:22px 0 10px;letter-spacing:-.02em;font-weight:800}
.lede{margin:0 0 22px;color:var(--muted);font-size:16px;max-width:52ch}

/* ---------- the rig ---------- */
.rig{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--edge);border-radius:20px;
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 20px 50px rgba(0,0,0,.35);overflow:hidden}
.lcd{margin:14px;padding:12px 14px 10px;background:var(--glass);border-radius:10px;
  box-shadow:0 0 0 2px #050c14, inset 0 0 22px rgba(245,165,36,.10);color:var(--amber);font-family:var(--mono)}
.lcd-row{display:flex;align-items:baseline;gap:12px}
.lcd-ch{font-size:12px;border:1px solid var(--amber-dim);border-radius:4px;padding:1px 6px;letter-spacing:.08em}
.lcd-freq{font-size:clamp(30px,9vw,40px);font-weight:700;letter-spacing:.02em;text-shadow:0 0 12px rgba(245,165,36,.45);
  font-variant-numeric:tabular-nums;flex:1}
.lcd-freq small{font-size:13px;margin-left:6px;opacity:.75;text-shadow:none}
.lcd-mode{font-size:12px;opacity:.85;letter-spacing:.1em}
.smeter{display:flex;align-items:center;gap:8px;margin-top:6px}
.s-label,.s-read{font-size:12px;opacity:.8}
.s-read{min-width:38px;text-align:right;font-variant-numeric:tabular-nums}
.s-bars{flex:1;display:grid;grid-template-columns:repeat(12,1fr);gap:3px;height:12px}
.s-bars i{background:#2a1e09;border-radius:2px;transition:background .25s,box-shadow .25s}
.s-bars i.on{background:var(--amber);box-shadow:0 0 6px rgba(245,165,36,.6)}
.s-bars i.plus.on{background:var(--red);box-shadow:0 0 6px rgba(229,72,77,.6)}
.s-scale{display:grid;grid-template-columns:repeat(12,1fr);font-size:9px;opacity:.55;margin:2px 46px 0 18px}
.s-scale span{grid-column:span 1}
.s-scale span:nth-child(1){grid-column:1}.s-scale span:nth-child(2){grid-column:3}.s-scale span:nth-child(3){grid-column:5}
.s-scale span:nth-child(4){grid-column:7}.s-scale span:nth-child(5){grid-column:9}.s-scale span:nth-child(6){grid-column:10/12}.s-scale span:nth-child(7){grid-column:12}
.s-scale .plus{color:#ff8a8d}

.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:0 14px;padding:0}
.steps li{font-size:12px;font-weight:700;color:var(--muted);text-align:center;padding:8px 2px 9px;border-top:3px solid #29507a;letter-spacing:.02em}
.steps li.is-on{color:var(--ink);border-top-color:var(--amber)}
.steps li.is-done{color:var(--teal);border-top-color:var(--teal)}

.panel{padding:18px 18px 22px}
.step[hidden]{display:none}
.step.is-active.anim{animation:tune .35s ease-out}
@keyframes tune{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- fields ---------- */
.field{display:block;margin:0 0 16px;border:0;padding:0;min-width:0}
.label{display:block;font-size:14px;font-weight:700;margin-bottom:6px}
.label em{font-style:normal;font-weight:500;color:var(--muted);font-size:12px;margin-left:4px}
input[type=email],input[type=text],input[type=tel],textarea{
  width:100%;background:#0E2640;color:var(--ink);border:1px solid #2C547D;border-radius:10px;
  padding:13px 14px;font:inherit;font-size:16px;transition:border-color .15s,box-shadow .15s}
textarea{resize:vertical;min-height:84px}
input::placeholder,textarea::placeholder{color:#6F88A3}
input:focus,textarea:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(245,165,36,.22)}
.field.bad input,.field.bad textarea{border-color:var(--red)}
.hint{display:block;font-size:13px;color:var(--muted);margin-top:6px}
.err{display:block;font-size:13px;color:#ff9b9e;margin-top:6px}
.mono{font-family:var(--mono)}
.code-input{font-family:var(--mono);font-size:28px!important;letter-spacing:.5em;text-align:center;padding:12px 8px 12px calc(8px + .5em)!important}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:460px){.row2{grid-template-columns:1fr;gap:0}}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* segmented switch (affiliation) */
.seg{display:grid;grid-template-columns:repeat(3,1fr);background:#0E2640;border:1px solid #2C547D;border-radius:10px;padding:3px;gap:3px}
.seg label,.band label,.chips label{position:relative;cursor:pointer}
.seg input,.band input,.chips input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.seg span{display:flex;align-items:center;justify-content:center;text-align:center;min-height:44px;padding:6px 6px;border-radius:8px;font-size:14px;font-weight:600;color:var(--muted);line-height:1.2}
.seg input:checked+span{background:var(--amber);color:var(--night)}
.seg input:focus-visible+span{outline:2px solid var(--amber);outline-offset:2px}

/* band switch (stage) */
.band{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.band span{display:block;padding:12px 12px 12px 38px;border:1px solid #2C547D;border-radius:10px;background:#0E2640;font-size:14px;font-weight:600;line-height:1.25;min-height:48px;position:relative}
.band span::before{content:"";position:absolute;left:13px;top:50%;width:14px;height:14px;margin-top:-7px;border-radius:50%;border:2px solid #4D6F93}
.band input:checked+span{border-color:var(--amber);background:#1a2f1f00;box-shadow:inset 0 0 0 1px var(--amber)}
.band input:checked+span::before{border-color:var(--amber);background:radial-gradient(circle,var(--amber) 45%,transparent 50%)}
.band input:focus-visible+span{outline:2px solid var(--amber);outline-offset:2px}

/* interest chips with an LED */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid #2C547D;border-radius:999px;background:#0E2640;font-size:14px;font-weight:600;color:#C9D6E3}
.led{width:8px;height:8px;border-radius:50%;background:#33506f;transition:background .2s,box-shadow .2s}
.chips input:checked+span{border-color:var(--teal);color:var(--ink)}
.chips input:checked+span .led{background:#3BE6D3;box-shadow:0 0 8px #3BE6D3}
.chips input:focus-visible+span{outline:2px solid var(--amber);outline-offset:2px}

.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#C9D6E3;margin:4px 0 14px;cursor:pointer}
.consent input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--amber);flex:none}

/* ---------- buttons & messages ---------- */
.btn{appearance:none;border:0;width:100%;min-height:52px;border-radius:12px;background:var(--amber);color:var(--night);
  font:800 16px/1 var(--sans);letter-spacing:.01em;cursor:pointer;position:relative;transition:transform .08s,filter .15s}
.btn:hover{filter:brightness(1.05)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:3px solid #fff;outline-offset:2px}
.btn[disabled]{opacity:.65;cursor:progress}
.btn.is-busy span::after{content:"";display:inline-block;width:14px;height:14px;margin-left:10px;vertical-align:-2px;border:2px solid var(--night);border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.btn.ghost{background:transparent;color:var(--amber);border:1.5px solid var(--amber)}
.link{background:none;border:0;padding:0;color:var(--amber);font:inherit;font-weight:700;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.link[disabled]{color:var(--muted);text-decoration:none;cursor:default}
.resend{display:block;margin:14px auto 0;font-size:14px}
.msg{min-height:0;margin:0 0 12px;font-size:14px;font-weight:600}
.msg:empty{display:none}
.msg.bad{color:#ff9b9e}
.msg.good{color:#55e0cf}
.sent{margin:0 0 14px;color:#C9D6E3;font-size:15px}

/* ---------- QSL card ---------- */
.qsl{background:var(--paper);color:var(--paper-ink);border-radius:12px;padding:18px 18px 16px;position:relative;
  box-shadow:0 14px 30px rgba(0,0,0,.35);animation:print .7s cubic-bezier(.2,.8,.2,1)}
@keyframes print{from{opacity:0;transform:translateY(-14px) rotate(-1.5deg) scale(.97)}to{opacity:1;transform:none}}
.qsl::before{content:"";position:absolute;inset:6px;border:1.5px dashed #c9d6e3;border-radius:8px;pointer-events:none}
.qsl-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.qsl-from{font:800 34px/1 var(--mono);letter-spacing:-.01em;color:var(--paper-ink)}
.qsl-sub{font-size:12px;color:#5b7591;margin-top:4px;font-weight:600}
.qsl-stamp{font:800 14px/1 var(--mono);color:var(--red);border:2px solid var(--red);border-radius:6px;padding:6px 8px;transform:rotate(8deg);letter-spacing:.12em}
.qsl-to{margin:14px 0 10px;font-size:15px}
.qsl-to strong{font-size:18px}
.qsl-log{width:100%;border-collapse:collapse;font-size:13px}
.qsl-log th{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#5b7591;text-align:left;padding:6px 6px;border-bottom:1.5px solid #13314F}
.qsl-log td{padding:8px 6px;font-weight:700;font-size:15px}
.qsl-stage{margin:10px 0 2px;font-weight:700}
.qsl-int{margin:0;color:#4b6683;font-size:13px}
.qsl-sign{margin:12px 0 0;font-size:13px;font-style:italic;color:#4b6683}
.after{margin-top:16px;text-align:center}
.morse-line{min-height:1.5em;margin:10px 0 0;color:var(--amber);font-size:20px;letter-spacing:.12em;word-break:break-all}
.next{color:#C9D6E3;font-size:14px;margin:10px 0 0}

.foot{margin-top:22px;color:#6F88A3;font-size:12px;text-align:center}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.consent + .err{margin:-8px 0 12px 30px}