* {
  box-sizing: border-box;
}

:root {
  --bg-start: #f2f7ff;
  --bg-end: #e7fff2;
  --card-bg: #ffffff;
  --panel-bg: #f8fafc;
  --panel-border: #e5e7eb;
  --text-primary: #1f2937;
  --text-muted: #4b5563;
  --ball-bg: #0ea5e9;
  --button-bg: #111827;
  --button-bg-hover: #1f2937;
  --input-border: #cbd5e1;
  --input-bg: #ffffff;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans KR", sans-serif;
  background: linear-gradient(135deg, var(--bg-start), var(--bg-end));
  padding: 24px 12px;
  color: var(--text-primary);
  transition: background 0.25s ease, color 0.25s ease;
}

body.theme-dark {
  --bg-start: #0f172a;
  --bg-end: #020617;
  --card-bg: #0b1220;
  --panel-bg: #111827;
  --panel-border: #334155;
  --text-primary: #e5e7eb;
  --text-muted: #94a3b8;
  --ball-bg: #0284c7;
  --button-bg: #2563eb;
  --button-bg-hover: #1d4ed8;
  --input-border: #475569;
  --input-bg: #0f172a;
}

.service-card {
  width: min(92vw, 760px);
  margin: 0 auto;
  background: var(--card-bg);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.1);
  display: grid;
  gap: 20px;
  transition: background 0.25s ease;
}

.theme-toggle-row {
  display: flex;
  justify-content: flex-end;
}

.site-header {
  display: grid;
  gap: 10px;
}

.site-intro {
  margin-bottom: 0;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-nav a,
.site-footer a {
  color: var(--text-primary);
  font-size: 0.9rem;
}

.site-nav a {
  text-decoration: none;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 6px 10px;
  background: var(--panel-bg);
}

.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  padding: 8px 12px;
}

h1 {
  margin: 0 0 10px;
  font-size: 1.7rem;
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 18px;
  transition: background 0.25s ease, border-color 0.25s ease;
}

h2 {
  margin: 0 0 10px;
  font-size: 1.3rem;
}

h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

p {
  margin: 0 0 18px;
  color: var(--text-muted);
}

.lotto-panel {
  text-align: center;
}

.guide-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: var(--text-muted);
}

.guide-note {
  margin: 14px 0 0;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0 14px;
}

.info-table caption {
  text-align: left;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.info-table th,
.info-table td {
  border: 1px solid var(--panel-border);
  padding: 8px;
  text-align: left;
}

.info-table th {
  background: var(--card-bg);
}

.numbers {
  min-height: 62px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  margin-bottom: 18px;
}

.ball {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--ball-bg);
  color: #ffffff;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button {
  border: 0;
  border-radius: 10px;
  padding: 10px 16px;
  background: var(--button-bg);
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: var(--button-bg-hover);
}

button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.secondary-btn {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--panel-border);
}

.affiliation-form {
  display: grid;
  gap: 12px;
}

.affiliation-form label {
  display: grid;
  gap: 6px;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.affiliation-form input,
.affiliation-form textarea {
  width: 100%;
  border: 1px solid var(--input-border);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  color: var(--text-primary);
  background: var(--input-bg);
}

.affiliation-form textarea {
  resize: vertical;
}

.form-status {
  min-height: 1.4em;
  margin: 10px 0 0;
  color: var(--text-muted);
}

.site-footer {
  border-top: 1px solid var(--panel-border);
  padding-top: 14px;
}

.site-footer p {
  margin: 0 0 8px;
  font-size: 0.9rem;
}

.consent-banner {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  max-width: 760px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 14px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  z-index: 40;
}

.consent-banner p {
  margin: 0 0 10px;
}

.consent-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 480px) {
  body {
    padding: 12px;
  }

  .service-card {
    padding: 18px;
  }

  .panel {
    padding: 14px;
  }

  .ball {
    width: 40px;
    height: 40px;
  }
}