/* =========================
 * Atlassian-style Design System
 * ========================= */

/* ---- Colors ---- */
:root {
  --atl-blue: #0052CC;
  --atl-blue-hover: #0065FF;
  --atl-blue-light: #DEEBFF;

  --atl-neutral: #172B4D;
  --atl-neutral-light: #6B778C;
  --atl-neutral-lighter: #DFE1E6;
  --atl-neutral-lightest: #F4F5F7;

  --atl-bg: #FFFFFF;
  --atl-bg-dark: #0D1424;
  --atl-surface-dark: #1D2125;

  --atl-flag-bg: #FFF4E5;
  --atl-flag-border: #FF991F;
}

/* ダークモード（OS設定を尊重） */
/* ---- Typography ---- */
body.atl-page {
  max-width: 64rem;
  margin: 0 auto;
  padding: 1rem 1rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  line-height: 1.6;
  color: var(--atl-neutral);
  background: var(--atl-bg);
}

@media (min-width: 640px) {
  body.atl-page {
    padding: 1.5rem 1.25rem;
  }
}

@media (min-width: 768px) {
  body.atl-page {
    padding: 2.5rem 1.5rem;
  }
}

.atl-main {
  width: 100%;
  max-width: 64rem;
  margin: 0 auto;
}

.atl-page-title {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
  .atl-page-title {
    font-size: 1.75rem;
  }
}

@media (min-width: 768px) {
  .atl-page-title {
    font-size: 2rem;
  }
}

.atl-section-title {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--atl-neutral-lighter);
}

@media (min-width: 640px) {
  .atl-section-title {
    font-size: 1.25rem;
  }
}

.atl-text-muted {
  color: var(--atl-neutral-light);
}

.atl-text-body {
  color: #42526E;
}

/* ---- Common Layout ---- */
.atl-header {
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .atl-header {
    margin-bottom: 2rem;
  }
}

.atl-hero {
  border: 1px solid var(--atl-neutral-lighter);
  border-radius: 10px;
  padding: 16px;
  background: var(--atl-neutral-lightest);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
}

.atl-hero-subtitle {
  font-size: 1rem;
  color: var(--atl-neutral);
  max-width: 45ch;
}

.atl-hero-cta {
  display: flex;
  gap: 0.75rem;
  width: 100%;
  flex-wrap: wrap;
}

.atl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.atl-btn--primary {
  background: var(--atl-blue);
  color: #fff;
  box-shadow: 0 10px 15px rgba(0, 82, 204, 0.2);
}

.atl-btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 15px 20px rgba(0, 82, 204, 0.25);
}

.atl-btn--ghost {
  border: 1px solid var(--atl-blue);
  color: var(--atl-blue);
  background: #fff;
}

.atl-btn--ghost:hover {
  background: #F4F5F7;
}

@media (min-width: 640px) {
  .atl-hero {
    flex-direction: row;
    align-items: center;
  }
  .atl-hero-cta {
    flex-wrap: nowrap;
    justify-content: flex-end;
  }
}

.atl-section {
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .atl-section {
    margin-bottom: 2.5rem;
  }
}

/* ---- Boxes ---- */
.atl-box {
  background: #FFFFFF;
  border: 1px solid var(--atl-neutral-lighter);
  border-radius: 3px;
  padding: 10px 12px;
  margin: 8px 0;
}

@media (min-width: 640px) {
  .atl-box {
    padding: 12px 16px;
  }
}

.atl-box--accent {
  border-left: 4px solid var(--atl-blue);
}

.atl-flag {
  background: var(--atl-flag-bg);
  border-left: 4px solid var(--atl-flag-border);
  border-radius: 3px;
  padding: 12px 16px;
  margin: 16px 0;
}

.atl-flag--padded {
  padding: 16px 18px;
}

.atl-link-box {
  background: var(--atl-neutral-lightest);
  border-left: 4px solid var(--atl-blue);
  border-radius: 3px;
  padding: 12px 16px;
  margin: 12px 0;
  transition: background-color 0.2s ease;
}

.atl-link-box:hover {
  background: #EBECF0;
}

.atl-link-box--inline {
  padding: 12px 16px;
  display: inline-flex;
  width: 100%;
  justify-content: space-between;
}

.atl-section-head {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.atl-grid {
  display: grid;
}

.atl-grid--gap {
  gap: 1rem;
}

.atl-box--lift {
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
}

.atl-feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.atl-feature-card {
  background: #fff;
  border: 1px solid var(--atl-neutral-lighter);
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
}

.atl-feature-card--wide {
  grid-column: span 2;
}

@media (max-width: 639px) {
  .atl-feature-card--wide {
    grid-column: span 1;
  }
}

.atl-feature-card__eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--atl-neutral);
  margin-bottom: 0.5rem;
}

.atl-card-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .atl-card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.atl-usecase-card {
  background: #fff;
  border: 1px solid var(--atl-neutral-lighter);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
}

.atl-usecase-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.atl-text-note {
  max-width: 780px;
  margin-top: 0.75rem;
}

/* Dark variants */
/* スマホ用ボックスのパディング調整（ダークモードでも同じ） */
@media (max-width: 639px) {
  .atl-flag {
    padding: 10px 12px;
  }

  .atl-link-box {
    padding: 10px 12px;
  }
}

@media (min-width: 640px) {
  .atl-flag {
    padding: 12px 16px;
  }

  .atl-link-box {
    padding: 12px 16px;
  }
}

/* ---- Links ---- */
a.atl-link {
  color: var(--atl-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a.atl-link:hover {
  color: var(--atl-blue-hover);
  text-decoration: underline;
}


/* ---- Code ---- */
.atl-code {
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", "Menlo", monospace;
  font-size: 0.875rem;
  background: var(--atl-neutral-lightest);
  padding: 2px 6px;
  border-radius: 3px;
}

.atl-code-block {
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", "Menlo", monospace;
  font-size: 0.875rem;
  background: var(--atl-blue-light);
  color: var(--atl-blue);
  border: 1px solid var(--atl-blue);
  padding: 8px 12px;
  border-radius: 4px;
  display: block;
  margin-top: 6px;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: break-word;
  font-weight: 500;
  line-height: 1.5;
}

@media (min-width: 640px) {
  .atl-code-block {
    font-size: 0.9375rem;
    padding: 10px 14px;
  }
}


/* ---- Table ---- */
.atl-table-wrapper {
  width: 100%;
  max-width: 64rem;
  margin: 0 auto;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: transparent;
  box-sizing: border-box;
}

.atl-table {
  width: 100%;
  min-width: 0;
}

.atl-table:not(.atl-ranking-table) {
  table-layout: fixed;
}

.atl-table:not(.atl-ranking-table) th,
.atl-table:not(.atl-ranking-table) td {
  width: 50%;
}

.atl-table-no-card tbody tr {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
}

.atl-table-no-card tbody td {
  flex: 1;
  min-width: 0;
}

.atl-table-no-card tbody td:first-child {
  padding-right: 1rem;
}

.atl-table-no-card tbody td:last-child {
  text-align: right;
}

.atl-table-no-card thead tr {
  display: flex;
  width: 100%;
  box-sizing: border-box;
}

.atl-table-no-card thead th {
  flex: 1;
  min-width: 0;
  text-align: left;
  padding: 12px 16px;
}

.atl-table-no-card thead {
  border: 1px solid var(--atl-neutral-lighter);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  background: var(--atl-neutral-lightest);
}

.atl-table-no-card tbody tr {
  border: 1px solid var(--atl-neutral-lighter);
  border-top: none;
}

/* スマホではテーブルをカード形式に（ランキングテーブルは除く） */
@media (max-width: 639px) {
  .atl-table-wrapper {
    overflow-x: visible;
  }

  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card),
  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card) thead,
  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card) tbody,
  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card) th,
  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card) td,
  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card) tr {
    display: block;
  }

  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card) thead tr {
    position: absolute;
    top: -9999px;
    left: -9999px;
  }

  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card) tr {
    border: 1px solid var(--atl-neutral-lighter);
    border-radius: 4px;
    margin-bottom: 12px;
    padding: 8px;
    background: #FFFFFF;
    width: 100%;
    box-sizing: border-box;
  }

  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card) td {
    border: none;
    position: relative;
    padding: 8px 8px 8px 40%;
    text-align: left;
    width: 100%;
  }

  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card) td:before {
    text-transform: none;
  }

  .atl-table:not(.atl-ranking-table) td:before {
    content: attr(data-label) ": ";
    position: absolute;
    left: 8px;
    width: 35%;
    font-weight: 600;
    color: var(--atl-neutral);
  }

  /* 最初の列をタイトルとして表示（data-labelがない場合のみ） */
  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card) td:first-child:not([data-label]) {
    padding-top: 12px;
    font-weight: 600;
    border-bottom: 1px solid var(--atl-neutral-lighter);
    margin-bottom: 4px;
    padding-bottom: 8px;
  }

  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card) td:first-child:not([data-label]):before {
    display: none;
  }
  
  /* data-labelがある場合は通常のラベル表示 */
  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card) td:first-child[data-label] {
    padding: 8px 8px 8px 40%;
  }

  .atl-table:not(.atl-ranking-table):not(.atl-table-no-card) td:first-child[data-label]:before {
    display: block;
  }
  .atl-table:not(.atl-ranking-table) td:not([data-label]):before {
    display: none;
  }
  
  /* ランキングテーブルは通常のテーブル表示を維持（横スクロール可能） */
  .atl-table-wrapper:has(.atl-ranking-table) {
    overflow-x: auto;
  }
}

/* スマホ用テーブルのダークモード対応（ランキングテーブルは除く） */
.atl-table:not(.atl-table-no-card) {
  width: 100%;
  border-collapse: collapse;
}

@media (min-width: 640px) {
  .atl-table:not(.atl-table-no-card) {
    display: table;
  }

  .atl-table:not(.atl-table-no-card) thead,
  .atl-table:not(.atl-table-no-card) tbody,
  .atl-table:not(.atl-table-no-card) th,
  .atl-table:not(.atl-table-no-card) td,
  .atl-table:not(.atl-table-no-card) tr {
    display: table-row;
  }

  .atl-table:not(.atl-table-no-card) th,
  .atl-table:not(.atl-table-no-card) td {
    display: table-cell;
  }

  .atl-table:not(.atl-table-no-card) th {
    background: var(--atl-neutral-lightest);
    font-weight: 600;
    text-align: left;
    padding: 12px 16px;
    border-bottom: 2px solid var(--atl-neutral-lighter);
  }

  .atl-table:not(.atl-table-no-card) td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--atl-neutral-lighter);
    vertical-align: top;
  }

  .atl-table:not(.atl-table-no-card) td:before {
    display: none;
  }
}

.atl-table:not(.atl-table-no-card):not(.atl-ranking-table) tbody tr:nth-child(even) {
  background: var(--atl-neutral-lightest);
}

.atl-table:not(.atl-table-no-card):not(.atl-ranking-table) tbody tr:hover {
  background: #F4F5F7;
}

.atl-table-row--champion {
  background: var(--atl-flag-bg) !important;
  border-left: 4px solid var(--atl-flag-border);
  font-weight: 600;
}

.atl-ranking-table {
  table-layout: fixed;
  width: 100%;
}

.atl-ranking-table thead th,
.atl-ranking-table tbody td {
  width: calc(100% / 3);
  text-align: left;
  box-sizing: border-box;
}


/* ---- Footer / Nav ---- */
.atl-footer,
.atl-nav {
  border-top: 1px solid var(--atl-neutral-lighter);
  padding-top: 1.5rem;
  margin-top: 2.5rem;
  font-size: 0.875rem;
  color: var(--atl-neutral-light);
  text-align: center;
}