:root {
  --bg: #0b0c10;
  --bg-2: #14161d;
  --card: #171a22;
  --card-2: #1d212b;
  --line: #262b36;
  --text: #eef1f6;
  --muted: #9aa3b2;
  --g2g-red: #e4002b;
  --fire-1: #ff8a1e;
  --fire-2: #ff3d00;
  --ok: #2fbf71;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(0, 0, 0, .45);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(1100px 500px at 85% -8%, rgba(255, 90, 0, .16), transparent 60%),
    radial-gradient(900px 500px at 10% 0%, rgba(255, 138, 30, .10), transparent 55%),
    var(--bg);
  color: var(--text);
  font: 16px/1.55 "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  flex-direction: column;
}

/* header */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 11, 15, .7);
  backdrop-filter: blur(6px);
}

.brand { display: flex; align-items: center; gap: 12px; }

.logo {
  width: 40px; height: 40px;
  border-radius: 9px;
  object-fit: cover;
  box-shadow: 0 4px 14px rgba(255, 90, 0, .35);
}

.brand-name {
  font-weight: 800;
  letter-spacing: .3px;
  font-size: 19px;
}
.brand-name .sep { color: var(--muted); margin: 0 2px; font-weight: 500; }
/* "G2G.COM" reads red like the marketplace wordmark */
.brand-name { color: var(--text); }
.brand-name::first-letter { color: var(--g2g-red); }

.store-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  border: 1px solid var(--line);
  padding: 7px 14px;
  border-radius: 999px;
  transition: border-color .15s, color .15s;
}
.store-link:hover { color: var(--text); border-color: #3a4150; }

/* layout */
.wrap {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 34px 18px 48px;
}

.card {
  background: linear-gradient(180deg, var(--card), var(--card-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px 28px;
}

.hero h1, .card > h1 { margin: 0 0 8px; font-size: 26px; font-weight: 800; }
.card > h1 {
  background: linear-gradient(90deg, var(--fire-1), var(--fire-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead { color: var(--muted); margin: 0 0 22px; }

/* form */
.mail-form { display: flex; flex-direction: column; gap: 8px; }
.mail-form label {
  font-size: 13px;
  color: var(--muted);
  margin-top: 10px;
  text-transform: uppercase;
  letter-spacing: .6px;
}
.mail-form input {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 13px 14px;
  font-size: 15px;
  transition: border-color .15s, box-shadow .15s;
}
.mail-form input:focus {
  outline: none;
  border-color: var(--fire-2);
  box-shadow: 0 0 0 3px rgba(255, 61, 0, .18);
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}
.btn {
  border: 0;
  border-radius: 10px;
  padding: 13px 20px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .05s, filter .15s, background .15s;
}
.btn:active { transform: translateY(1px); }
.btn.primary {
  color: #1a0d00;
  background: linear-gradient(90deg, var(--fire-1), var(--fire-2));
  box-shadow: 0 8px 22px rgba(255, 61, 0, .35);
  flex: 1 1 200px;
}
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost {
  color: var(--text);
  background: var(--bg-2);
  border: 1px solid var(--line);
  flex: 1 1 200px;
}
.btn.ghost:hover { border-color: #3a4150; }
.btn.back { margin-top: 26px; display: inline-flex; flex: 0 0 auto; padding: 11px 22px; }

.note { color: var(--muted); font-size: 13px; margin-top: 22px; line-height: 1.6; }

.alert {
  background: rgba(228, 0, 43, .1);
  border: 1px solid rgba(228, 0, 43, .4);
  color: #ffb3c0;
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 18px;
  font-size: 14px;
}

/* results */
.code-box, .link-box {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 14px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.code-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--muted);
}
.code-row {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
}
.code-value {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: 5px;
  color: var(--ok);
  font-family: "Consolas", ui-monospace, monospace;
}
.link-value { color: var(--fire-1); word-break: break-all; flex: 1; }

.copy-btn {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: var(--card-2);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color .15s, background .15s, color .15s;
}
.copy-btn:hover { border-color: var(--fire-2); }
.copy-btn.copied { color: var(--ok); border-color: var(--ok); }

.sub { font-size: 15px; color: var(--muted); margin: 26px 0 10px; font-weight: 600; }

.letters { display: flex; flex-direction: column; gap: 14px; }
.letter {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  overflow: hidden;
}
.letter-head { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.from { font-weight: 600; color: var(--text); }
.letter-subject { margin: 4px 0 10px; font-weight: 600; }
.letter-body {
  font-size: 14px;
  color: var(--muted);
  max-height: 320px;
  overflow: auto;
  word-break: break-word;
}
.letter-body img { max-width: 100%; height: auto; }
.letter-body pre { white-space: pre-wrap; margin: 0; font-family: inherit; }
.letter-body a { color: var(--fire-1); }

/* footer */
.foot {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 520px) {
  .card { padding: 22px 18px; }
  .code-value { font-size: 26px; letter-spacing: 3px; }
}