/* PHP の基礎。style.css と flow.css の上に重ねる */
.fhead p a, .srcl a, .ph-go a, .ph-map a { color: #1d4ed8; text-underline-offset: 2px; }
.hint { display: inline-block; vertical-align: middle; font-size: 10.5px; font-weight: 700; line-height: 1.5; color: #475569; background: #f8fafc; border: 1px dashed #94a3b8; border-radius: 999px; padding: 0 8px; margin-left: 6px; white-space: nowrap; }
.aitag { font-size: 12px; font-weight: 700; color: #6d28d9; background: #ede9fe; border-radius: 6px; padding: 2px 8px; margin-right: 8px; vertical-align: middle; }
.srcl { margin: 10px 0 0; font-size: 12px; color: var(--muted); }
.subh { margin: 22px 0 6px; font-size: 15.5px; }
.ph-sp { margin: 0 0 10px; font-size: 13.5px; color: var(--ink2); }
.ph-go { margin: 8px 0 0; font-size: 13px; font-weight: 700; }
.ph-go a { text-decoration: none; }
.ph-go a:hover { text-decoration: underline; }

/* コード（暗い箱） */
.ph-pre { margin: 10px 0 0; background: #0f172a; color: #e2e8f0; border-radius: 10px; padding: 10px 12px; overflow-x: auto; font-family: var(--latin); font-size: 12.5px; line-height: 1.6; tab-size: 4; }
.ph-pre code { white-space: pre; }

/* PHP の今 */
.ph-vers { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px; margin-bottom: 10px; }
.ph-vers button { appearance: none; width: 100%; font: inherit; display: flex; flex-direction: column; align-items: flex-start; gap: 1px; padding: 8px 11px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--ink); cursor: pointer; }
.ph-vers button b { font: 600 14px var(--latin); }
.ph-vers button span { font-size: 11.5px; color: var(--muted); }
.ph-vers button:hover { border-color: #94a3b8; }
.ph-vers button[aria-pressed="true"] { background: #4f46e5; border-color: #4f46e5; color: #fff; }
.ph-vers button[aria-pressed="true"] span { color: #e0e7ff; }
.ph-ver { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 14px 20px; align-items: start; padding: 16px 18px; }
.ph-ver .ph-pre { margin: 0; }
.ph-vtext h3 { margin: 0 0 6px; font-size: 16.5px; }
.ph-vtext ul { margin: 0; padding-left: 1.2em; display: grid; gap: 3px; font-size: 13.5px; color: var(--ink2); }

/* カード */
.ph-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; align-items: start; }
.ph-card { padding: 13px 15px; min-width: 0; display: flex; flex-direction: column; }
.ph-card h3 { margin: 0 0 5px; font-size: 15px; display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.ph-card > p { margin: 0; font-size: 13px; color: var(--ink2); }
.ph-card .srcl { margin-top: auto; padding-top: 8px; }
.ph-card.ai { background: #faf8ff; border-color: #dccdfb; }
.ph-op { font: 600 13px var(--latin); color: #fff; background: #4f46e5; border-radius: 6px; padding: 1px 8px; }
.ph-falsy { margin-top: 10px; padding: 13px 15px; }
.ph-falsy h3 { margin: 0 0 4px; font-size: 15px; }
.ph-fp { margin: 0 0 8px; font-size: 13px; color: var(--ink2); }
.ph-fchips { display: flex; flex-wrap: wrap; gap: 6px; }
.ph-fchips code { font: 600 13px var(--latin); color: #9a3412; background: #ffedd5; border-radius: 7px; padding: 3px 10px; }

/* Laravel のモデルを読む */
.ph-read { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 12px; align-items: start; }
.ph-rcode { background: #0f172a; border-radius: 12px; overflow: hidden; min-width: 0; }
.ph-path { margin: 0; padding: 7px 12px; background: #1e293b; color: #cbd5e1; font: 500 12px var(--latin); overflow-wrap: anywhere; }
.ph-lines { padding: 8px 0; overflow-x: auto; display: flex; flex-direction: column; }
.ph-line { display: block; min-width: max-content; font: 12.5px/1.65 var(--latin); white-space: pre; color: #e2e8f0; padding: 0 14px; text-align: left; }
button.ph-line { appearance: none; border: 0; border-left: 3px solid #6366f1; background: rgba(99, 102, 241, .12); cursor: pointer; padding-left: 11px; }
button.ph-line:hover { background: rgba(99, 102, 241, .24); }
button.ph-line[aria-pressed="true"] { background: rgba(250, 204, 21, .28); border-left-color: #facc15; }
.ph-rpart { padding: 14px 16px; position: sticky; top: 12px; }
.ph-pk { margin: 0; font-size: 11.5px; font-weight: 700; color: #4f46e5; }
.ph-rpart h3 { margin: 2px 0 6px; font-size: 16.5px; }
.ph-rpart > p { margin: 0; font-size: 13.5px; color: var(--ink2); }

/* 名前空間 → ファイル */
.ph-psr { padding: 14px 16px; display: grid; gap: 10px; }
.ph-in { display: flex; flex-direction: column; gap: 4px; font-size: 12px; font-weight: 700; color: var(--ink2); }
.ph-in input { width: 100%; font: 600 14px var(--latin); color: var(--ink); background: var(--paper); border: 1px solid #cbd5e1; border-radius: 10px; padding: 7px 11px; }
.ph-presets { display: flex; flex-wrap: wrap; gap: 6px; }
.ph-presets button { appearance: none; font: 600 12px var(--latin); color: #1d4ed8; background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 999px; padding: 3px 11px; cursor: pointer; }
.ph-presets button:hover { border-color: #60a5fa; }
.ph-presets button[aria-pressed="true"] { background: #1d4ed8; border-color: #1d4ed8; color: #fff; }
.ph-out { display: grid; gap: 6px; }
.ph-step { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.ph-step span { font-size: 12px; font-weight: 700; color: var(--muted); min-width: 4.5em; }
.ph-step code { font: 600 13.5px var(--latin); background: var(--line2); border-radius: 7px; padding: 3px 9px; overflow-wrap: anywhere; }
.ph-step code b { color: #4f46e5; }
.ph-step.file code b { color: #0f766e; }
.ph-arrow { font-size: 12.5px; color: var(--ink2); padding-left: 2px; }
.ph-arrow b { font-family: var(--latin); }
.ph-file { margin: 0; font-size: 13px; color: var(--ink2); }
.ph-file code { font: 600 13px var(--latin); color: #0f766e; overflow-wrap: anywhere; }
.ph-none { margin: 0; font-size: 13px; color: var(--ink2); }
.ph-none code { font-family: var(--latin); overflow-wrap: anywhere; }
.ph-map { margin: 0; font-size: 12px; color: var(--muted); }
.ph-map code { font-family: var(--latin); color: var(--ink2); }

/* クイズ */
.ph-quiz { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; counter-reset: q; }
.ph-quiz li { counter-increment: q; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; min-width: 0; position: relative; }
.ph-quiz li::before { content: 'Q' counter(q); font: 600 12px var(--latin); color: var(--muted); }
.ph-quiz li .ph-pre { margin-top: 4px; }
.ph-quiz li.ok { border-color: #86efac; background: #f0fdf4; }
.ph-quiz li.ng { border-color: #fca5a5; background: #fef2f2; }
.ph-ch { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.ph-ch button { appearance: none; font: 600 12.5px var(--latin); color: var(--ink); background: var(--paper); border: 1px solid #cbd5e1; border-radius: 999px; padding: 5px 13px; cursor: pointer; }
.ph-ch button:hover { border-color: #64748b; }
.ph-ch button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.ph-why { margin-top: 10px; }
.ph-why b { display: block; font-size: 13.5px; }
.ph-why p { margin: 4px 0 0; font-size: 13px; color: var(--ink2); }
.ph-score { margin: 10px 0 0; font-size: 14px; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; }
.ph-score:empty { display: none; }
.ph-score b { font-family: var(--latin); font-size: 18px; color: #0f766e; }

/* チェックリスト */
.cklist { padding: 10px 16px; }
.mlist { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 2px 18px; }
.mlist label { display: flex; gap: 9px; align-items: flex-start; font-size: 13.5px; cursor: pointer; padding: 5px 0; }
.mlist input { flex: none; width: 17px; height: 17px; margin: 2px 0 0; accent-color: #0d9488; cursor: pointer; }
.mlist input:checked + span { color: var(--muted); text-decoration: line-through; }
.ckfoot { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.ckcount { font-family: var(--latin); font-size: 13px; color: var(--muted); }
.ckreset { appearance: none; border: 1px solid var(--line); background: var(--paper); border-radius: 999px; padding: 5px 12px; font: inherit; font-size: 12.5px; font-weight: 700; color: var(--ink2); cursor: pointer; }

.ph-vers button:focus-visible, button.ph-line:focus-visible, .ph-in input:focus-visible, .ph-presets button:focus-visible, .ph-ch button:focus-visible, .ph-pre:focus-visible, .ph-go a:focus-visible, .srcl a:focus-visible, .mlist input:focus-visible, .ckreset:focus-visible { outline: 3px solid #2563eb; outline-offset: 2px; }

@media (max-width: 1100px) {
  .ph-vers { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ph-ver, .ph-read { grid-template-columns: minmax(0, 1fr); }
  .ph-rpart { position: static; }
}
@media (max-width: 760px) {
  .ph-grid, .ph-quiz, .mlist { grid-template-columns: minmax(0, 1fr); }
  .ph-vers { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ph-ver { padding: 14px; }
}