:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --line: #e1e4e8;
  --text: #16181d;
  --muted: #5f6672;
  --brand: #ff5a1f;
  --brand-ink: #ffffff;
  --ok: #138a4a;
  --bad: #c62f2f;
  --info: #2457c5;
  --soft: #fff1ea;
  font-family: "Pretendard", "Segoe UI", "Malgun Gothic", system-ui, sans-serif;
  color: var(--text);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --card: #1a1d23;
    --line: #2c3139;
    --text: #eceef1;
    --muted: #9aa3ae;
    --ok: #4cc38a;
    --bad: #f07272;
    --info: #7aa2ff;
    --soft: #2b1d16;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); line-height: 1.5; }
button, input { font: inherit; color: inherit; }

.top { padding: 18px 24px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.account { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); min-width: 0; }
.account[hidden] { display: none; }
.account span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account button { border: 1px solid var(--line); background: var(--card); border-radius: 8px; padding: 5px 12px; }
.gate { text-align: center; padding: 32px 22px; }
.gate h2 { margin: 0 0 6px; font-size: 20px; }
.gate p { margin: 0 0 18px; color: var(--muted); }
.gate .primary { max-width: 320px; }
.quota { margin: 10px 0 0; font-size: 13px; color: var(--muted); text-align: center; }
.quota.empty { color: var(--bad); }
.brand { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; color: var(--text); text-decoration: none; }
.brand span { color: var(--brand); }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px 80px; }
.hero { padding: 28px 4px 20px; }
.hero h1 { margin: 0 0 6px; font-size: clamp(26px, 5vw, 36px); letter-spacing: -1px; }
.hero p { margin: 0; color: var(--muted); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 18px;
}

.field { display: block; margin-bottom: 18px; }
.label { display: block; font-weight: 700; margin-bottom: 6px; }
.optional { font-weight: 400; color: var(--muted); }

input[type="text"] {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  outline: none;
}
input[type="text"]:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--soft); }

.alias-box {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  overflow: hidden;
}
.alias-box:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px var(--soft); }
.alias-box[data-state="available"] { border-color: var(--ok); }
.alias-box[data-state="invalid"], .alias-box[data-state="taken"] { border-color: var(--bad); }
.alias-box .prefix {
  display: flex;
  align-items: center;
  padding: 0 4px 0 12px;
  color: var(--muted);
  white-space: nowrap;
  user-select: none;
  flex: none;
}
.alias-box input { flex: 1 1 auto; width: auto; border: none; background: transparent; padding-left: 2px; box-shadow: none !important; min-width: 0; }
.alias-box.small input { padding-top: 6px; padding-bottom: 6px; }

.msg { display: block; min-height: 20px; margin-top: 6px; font-size: 13px; color: var(--muted); }
.msg.error, .msg.invalid, .msg.taken { color: var(--bad); }
.msg.available { color: var(--ok); }
.msg.checking, .msg.unknown { color: var(--info); }

.suggestions { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 6px; font-size: 13px; color: var(--muted); }
.suggestions button {
  border: 1px dashed var(--brand);
  background: var(--soft);
  color: var(--text);
  border-radius: 999px;
  padding: 3px 10px;
  cursor: pointer;
}

button { cursor: pointer; }
.primary {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 10px;
  background: var(--brand);
  color: var(--brand-ink);
  font-weight: 700;
  font-size: 16px;
}
.primary:disabled { opacity: .6; cursor: progress; }
.primary.small { width: auto; padding: 6px 14px; font-size: 14px; }

.result { border-color: var(--brand); background: var(--soft); }
.result-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.result-row a { font-size: 22px; font-weight: 800; color: var(--brand); word-break: break-all; }
.result-row button, .actions button, .edit > button:not(.primary) {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 8px;
  padding: 6px 12px;
}
.dest { color: var(--muted); font-size: 13px; word-break: break-all; }
.result .dest { margin: 6px 0 0; }

.links h2 { font-size: 18px; margin: 30px 4px 12px; }
.count {
  display: inline-block;
  min-width: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--brand);
  font-size: 13px;
  text-align: center;
}
.link-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.link-list .empty { padding: 28px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: 12px; }
.link-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.info { min-width: 0; flex: 1; }
.short-line { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.short { font-weight: 800; color: var(--brand); text-decoration: none; word-break: break-all; }
.short:hover { text-decoration: underline; }
.badge { font-size: 11px; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.badge.custom { border-color: var(--brand); color: var(--brand); }
.link-item .dest { display: block; margin-top: 4px; text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.meta { margin: 4px 0 0; font-size: 12px; color: var(--muted); }
.actions { display: flex; gap: 6px; align-items: flex-start; }
.actions .danger:hover { border-color: var(--bad); color: var(--bad); }

.edit { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.edit .alias-box { flex: 1 1 260px; }
.edit .msg, .edit .suggestions { flex-basis: 100%; margin-top: 0; }

.foot {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  background: var(--text);
  color: var(--bg);
  padding: 9px 16px;
  border-radius: 10px;
  font-size: 14px;
  transition: opacity .2s, transform .2s;
  max-width: calc(100% - 32px);
}
.foot.show { opacity: 1; transform: translate(-50%, 0); }

.notfound main { max-width: 520px; margin: 18vh auto; padding: 0 16px; text-align: center; }
.notfound h1 { color: var(--brand); }

@media (max-width: 600px) {
  .link-item { flex-direction: column; }
  .alias-box .prefix { max-width: 45%; overflow: hidden; text-overflow: ellipsis; }
}