:root {
  --bg-1: #edf3fb;
  --bg-2: #dfe9f8;
  --panel: #ffffff;
  --text: #16263d;
  --muted: #576b86;
  --line: #d0dced;
  --primary: #0e4d92;
  --primary-hover: #0b3d73;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Pretendard", "Noto Sans KR", sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, var(--bg-1), var(--bg-2));
}

.hidden {
  display: none !important;
}

.launcher {
  min-height: 100vh;
  padding: 20px 14px;
  display: grid;
  place-items: center;
}

.launcher-card {
  width: min(560px, 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: 0 18px 42px rgba(11, 31, 58, 0.12);
  padding: 22px;
  display: grid;
  gap: 14px;
}

.launcher-card h1 {
  margin: 0;
  font-size: 24px;
}

.launcher-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.launcher-muted {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.launcher-primary,
.launcher-ghost,
.service-link {
  border: none;
  border-radius: 12px;
  font: inherit;
  cursor: pointer;
}

.launcher-primary {
  background: var(--primary);
  color: #fff;
  padding: 11px 14px;
  font-weight: 600;
}

.launcher-primary:hover {
  background: var(--primary-hover);
}

.launcher-ghost {
  background: #f0f4fa;
  color: #213552;
  padding: 8px 12px;
}

.service-buttons {
  display: grid;
  gap: 10px;
}

.service-link {
  display: block;
  width: 100%;
  text-decoration: none;
  border: 1px solid var(--line);
  background: #fbfdff;
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
}

.service-link:hover {
  background: #f1f6fd;
}

.service-link.tone-slate {
  background: #f3f5f8;
  border-color: #cfd6e2;
}

.service-link.tone-slate:hover {
  background: #e8edf5;
}

.service-link.tone-sage {
  background: #f1f5f1;
  border-color: #cdd8cc;
}

.service-link.tone-sage:hover {
  background: #e6eee6;
}

.service-link.tone-sand {
  background: #f6f2ec;
  border-color: #dfd3c3;
}

.service-link.tone-sand:hover {
  background: #ece4d8;
}

.service-link strong {
  display: block;
  font-size: 15px;
  margin-bottom: 3px;
}

.service-link span {
  font-size: 13px;
  color: var(--muted);
}

.launcher-error {
  color: var(--danger);
}

@media (max-width: 640px) {
  .launcher-card {
    border-radius: 14px;
    padding: 18px;
  }

  .launcher-card h1 {
    font-size: 20px;
  }
}