:root {
  --bg: #0b1020;
  --card: #121a33;
  --card-strong: #0f1730;
  --text: #e8ecf4;
  --muted: #98a2b3;
  --accent: #4f8cff;
  --accent-strong: #3b73e0;
  --border: #1f2a44;
  --good: #1fbf75;
  --warn: #f5b942;
  --bad: #f35b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 20% -10%, #1a2550 0%, var(--bg) 60%);
  color: var(--text);
  font-family: "Pretendard", "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Apple SD Gothic Neo",
    "Malgun Gothic", sans-serif;
  line-height: 1.5;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 44px 20px 64px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.app__header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.app__title {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
}

.app__subtitle {
  margin: 0;
  color: var(--muted);
}

.nav {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0) 100%),
    var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow:
    0 20px 45px rgba(4, 8, 20, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.search {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.search__label {
  font-weight: 600;
}

.search__row {
  display: flex;
  gap: 8px;
}

.search__input {
  flex: 1;
  background: var(--card-strong);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 16px;
  outline: none;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

.search__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(79, 140, 255, 0.15);
}

.search__hint {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 0 18px;
  background: var(--accent);
  color: white;
  font-weight: 700;
  cursor: pointer;
  transition: transform 80ms ease, background-color 120ms ease;
}

.btn:hover {
  background: var(--accent-strong);
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.result {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.result__empty {
  color: var(--muted);
}

.result__header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.result__title {
  margin: 0;
  font-size: 22px;
}

.result__date {
  color: var(--muted);
  font-size: 14px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.summary__card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.summary__label {
  font-size: 13px;
  color: var(--muted);
}

.summary__value {
  font-size: 20px;
  font-weight: 800;
}

.summary__sub {
  font-size: 13px;
  color: var(--muted);
}

.price__change--up {
  color: var(--good);
}

.price__change--down {
  color: var(--bad);
}

.tables {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.tables--plans {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.table-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.table-card__title {
  font-size: 14px;
  font-weight: 700;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th,
.table td {
  text-align: left;
  padding: 6px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.table thead th {
  color: var(--muted);
  font-weight: 600;
}

.table tbody tr:last-child th,
.table tbody tr:last-child td {
  border-bottom: none;
}

.chart-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chart {
  width: 100%;
  height: 480px;
}

.info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info__title {
  margin: 0;
  font-size: 20px;
}

.info__text {
  margin: 0;
  color: var(--muted);
}

.info__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.info__card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.info__label {
  font-size: 14px;
  font-weight: 700;
}

.info__list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.policy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.policy__header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.policy__title {
  margin: 0;
  font-size: 20px;
}

.policy__subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.policy__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.policy__item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.policy__item h3 {
  margin: 0;
  font-size: 15px;
}

.policy__item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

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

.comments__header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.comments__title {
  margin: 0;
  font-size: 20px;
}

.comments__subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.comments #disqus_thread {
  min-height: 240px;
}

.contact {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact__header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact__title {
  margin: 0;
  font-size: 20px;
}

.contact__subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact__label {
  font-size: 14px;
  font-weight: 600;
}

.contact__input,
.contact__textarea {
  background: var(--card-strong);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

.contact__input:focus,
.contact__textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(79, 140, 255, 0.15);
}

.btn--full {
  width: 100%;
  padding: 12px 14px;
}

.footer {
  padding: 10px 4px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__links a {
  color: var(--muted);
  text-decoration: none;
}

.footer__links a:hover {
  color: var(--text);
}

.footer__note {
  margin: 0;
}

.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px 64px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page__title {
  margin: 0;
  font-size: clamp(26px, 4vw, 34px);
}

.page__subtitle {
  margin: 0;
  color: var(--muted);
}

.page__section {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page__section h3 {
  margin: 0;
  font-size: 16px;
}

.page__section p {
  margin: 0;
  color: var(--muted);
}

.page__list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.disclaimer {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.error {
  border: 1px solid rgba(243, 91, 107, 0.5);
  background: rgba(243, 91, 107, 0.08);
  color: #ffd5da;
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 600;
}

@media (max-width: 1024px) {
  .summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .info__grid,
  .policy__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .tables,
  .tables--plans {
    grid-template-columns: 1fr;
  }

  .search__row {
    flex-direction: column;
  }

  .btn {
    padding: 12px 14px;
  }
}