* {
  box-sizing: border-box;
}

:root {
  --bg-start: #1e293b;
  --bg-end: #0f172a;
  --text: #f1f5f9;
  --subtitle: #94a3b8;
  --panel-bg: #1e293bcc;
  --panel-border: #334155;
  --input-border: #475569;
  --input-bg: #0f172a;
  --placeholder: #64748b;
  --footer-text: #64748b;
}

[data-theme="light"] {
  --bg-start: #f8fafc;
  --bg-end: #e2e8f0;
  --text: #0f172a;
  --subtitle: #475569;
  --panel-bg: #ffffffcc;
  --panel-border: #cbd5e1;
  --input-border: #cbd5e1;
  --input-bg: #ffffff;
  --placeholder: #94a3b8;
  --footer-text: #64748b;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", Roboto, sans-serif;
  background: linear-gradient(135deg, var(--bg-start), var(--bg-end));
  color: var(--text);
  display: flex;
  justify-content: center;
  padding: 32px 16px;
  transition: background 0.2s ease, color 0.2s ease;
}

.wrap {
  width: 100%;
  max-width: 560px;
}

.wrap.wrap-world {
  max-width: 720px;
}

header {
  position: relative;
  text-align: center;
  margin-bottom: 28px;
  padding: 0 90px;
}

.theme-toggle {
  position: absolute;
  top: 0;
  right: -16px;
  height: 40px;
  padding: 0 14px;
  border-radius: 20px;
  border: 1px solid var(--panel-border);
  background: var(--panel-bg);
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background 0.2s ease, transform 0.1s ease;
}

.theme-toggle #theme-toggle-label {
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.theme-toggle:hover {
  transform: scale(1.05);
}

h1 {
  margin: 0 0 8px;
  font-size: 2rem;
}

.subtitle {
  margin: 0;
  color: var(--subtitle);
  font-size: 0.95rem;
}

.controls {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 24px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.control-row label {
  font-size: 0.9rem;
  color: var(--subtitle);
  white-space: nowrap;
}

.control-row select,
.control-row input {
  flex: 1;
  max-width: 260px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 0.95rem;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.control-row input::placeholder {
  color: var(--placeholder);
}

.control-row input.exclude-invalid {
  border-color: #ff7272;
}

.exclude-hint {
  margin: -10px 0 16px;
  font-size: 0.8rem;
  color: #ff7272;
}

.form-field {
  margin-bottom: 16px;
}

.form-field label {
  display: block;
  font-size: 0.9rem;
  color: var(--subtitle);
  margin-bottom: 6px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  resize: vertical;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--placeholder);
}

.form-status {
  margin-top: 16px;
  text-align: center;
  font-size: 0.9rem;
}

.form-status.success {
  color: #4ade80;
}

.form-status.error {
  color: #ff7272;
}

footer a {
  color: var(--subtitle);
}

.generate-btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 10px;
  background: #6366f1;
  color: white;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}

.generate-btn:hover {
  background: #4f46e5;
}

.generate-btn:active {
  transform: scale(0.98);
}

.main-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 24px;
}

.main-row .controls {
  flex: 1;
  min-width: 0;
  margin-bottom: 0;
}

.quick-flags {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  flex-shrink: 0;
  width: 260px;
}

.world-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
  width: 260px;
}

.world-links-label {
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}

.world-links-label:hover {
  text-decoration: underline;
}

.flag-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: var(--panel-bg);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
  transition: transform 0.1s ease, background 0.2s ease;
}

.flag-icon {
  font-size: 1.3rem;
  line-height: 1;
  flex-shrink: 0;
}

.flag-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  text-align: left;
  line-height: 1.25;
}

.flag-country {
  font-size: 0.7rem;
  opacity: 0.7;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.flag-game {
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.flag-btn:hover {
  transform: scale(1.04);
}

.flag-btn:active {
  transform: scale(0.97);
}

@media (max-width: 640px) {
  .main-row {
    flex-direction: column;
  }
  .quick-flags,
  .world-links {
    width: 100%;
  }
}

.results {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.game-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 14px 16px;
  animation: fadeIn 0.35s ease both;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.game-row.selected {
  border-color: #f59e0b;
  box-shadow: 0 0 0 2px #fbbf2455, 0 6px 18px #fbbf2433;
  animation: selectPop 0.4s ease;
}

.select-btn {
  margin-left: auto;
  flex-shrink: 0;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.select-btn:hover {
  transform: scale(1.06);
}

.select-btn:active {
  transform: scale(0.95);
}

.game-row.selected .select-btn {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  border-color: #f59e0b;
  color: #1a1a1a;
}

@keyframes selectPop {
  0% { transform: scale(1); }
  35% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

.wish-toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translate(-50%, 20px);
  max-width: min(90vw, 420px);
  text-align: center;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: #ffffff;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 1000;
}

.wish-toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.game-label {
  font-size: 0.8rem;
  color: var(--subtitle);
  width: 44px;
  flex-shrink: 0;
}

.balls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.ball-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  width: 38px;
  flex-shrink: 0;
}

.ball-freq {
  font-size: 0.62rem;
  color: var(--subtitle);
  text-align: center;
  line-height: 1.2;
}

.ball {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: #1a1a1a;
  box-shadow: inset 0 -3px 4px rgba(0,0,0,0.15), 0 2px 4px rgba(0,0,0,0.3);
  flex-shrink: 0;
}

.ball.yellow { background: #fbc400; }
.ball.blue   { background: #69c8f2; }
.ball.red    { background: #ff7272; }
.ball.gray   { background: #aaaaaa; color: #1a1a1a; }
.ball.green  { background: #b0d840; }

.ball.bonus {
  box-shadow: inset 0 -3px 4px rgba(0,0,0,0.15), 0 2px 4px rgba(0,0,0,0.3), 0 0 0 3px #f5b301;
}

.ball-divider {
  display: flex;
  align-items: center;
  height: 38px;
  font-weight: 700;
  color: var(--subtitle);
  flex-shrink: 0;
}

.game-info {
  margin: -8px 0 16px;
  font-size: 0.85rem;
  color: var(--subtitle);
  text-align: center;
}

.stats-sort {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.sort-btn {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.sort-btn:hover {
  transform: scale(1.04);
}

.sort-btn.active {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  border-color: #4f46e5;
  color: #ffffff;
}

.stats-section {
  margin-bottom: 24px;
}

.stats-section-title {
  font-size: 1rem;
  margin: 0 0 12px;
  color: var(--text);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(58px, 1fr));
  gap: 14px 10px;
}

.stat-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-count {
  font-size: 0.68rem;
  color: var(--subtitle);
  white-space: nowrap;
}

.stat-badge {
  position: absolute;
  top: -6px;
  right: 6px;
  font-size: 0.75rem;
}

.stat-cell.stat-hot .ball {
  box-shadow: inset 0 -3px 4px rgba(0,0,0,0.15), 0 2px 4px rgba(0,0,0,0.3), 0 0 0 3px #f5730155;
}

.stat-cell.stat-cold .ball {
  box-shadow: inset 0 -3px 4px rgba(0,0,0,0.15), 0 2px 4px rgba(0,0,0,0.3), 0 0 0 3px #60a5fa55;
  opacity: 0.75;
}

.stats-source {
  word-break: break-all;
}

.prize-table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 16px;
  font-size: 0.85rem;
}

.prize-table th,
.prize-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--panel-border);
  text-align: center;
}

.prize-table th {
  color: var(--subtitle);
  font-weight: 600;
}

.draw-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  font-size: 0.85rem;
  gap: 12px;
}

.draw-nav a {
  color: var(--text);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: var(--panel-bg);
  white-space: nowrap;
  transition: transform 0.1s ease;
}

.draw-nav a:hover {
  transform: scale(1.04);
}

.draw-year-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.draw-year-links a {
  font-size: 0.78rem;
  padding: 4px 8px;
  border-radius: 8px;
  background: var(--input-bg);
  border: 1px solid var(--panel-border);
  color: var(--text);
  text-decoration: none;
}

.recent-list {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.recent-list li {
  font-size: 0.82rem;
}

.recent-list a {
  color: var(--text);
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--input-bg);
  border: 1px solid var(--panel-border);
}

a.number-index-link {
  text-decoration: none;
  transition: transform 0.1s ease;
}

a.number-index-link:hover {
  transform: scale(1.08);
}

.seo-banner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.seo-banner a {
  flex: 1 1 200px;
  text-align: center;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: linear-gradient(135deg, #6366f122, #a855f722);
  color: var(--text);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: transform 0.1s ease;
}

.seo-banner a:hover {
  transform: scale(1.03);
}

footer {
  text-align: center;
  margin-top: 32px;
  color: var(--footer-text);
  font-size: 0.85rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 16px;
  margin-top: 8px;
}

.info {
  margin-top: 32px;
  padding: 20px 22px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text);
  text-align: left;
}

.info h2 {
  margin: 0 0 14px;
  font-size: 1.1rem;
}

.info h3 {
  margin: 22px 0 8px;
  font-size: 0.95rem;
}

.info p {
  margin: 0 0 10px;
}

.info a {
  color: inherit;
}

.info .disclaimer {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--panel-border);
  font-size: 0.8rem;
  color: var(--subtitle);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 400px) {
  .control-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .control-row select,
  .control-row input {
    max-width: 100%;
    width: 100%;
  }
  header {
    padding: 0 60px;
  }
}