/* ============================================================
   SQL DIVER — game.css
   近未来・データベース世界へのダイブ。ダーク専用HUDデザイン。
   サイト共通ヘッダー/フッター（partials/header.php, footer.php）を
   使用しつつ、the-backspace.css と同じ手法（body クラス + 高詳細度
   セレクタ）でダーク配色に上書きする（partials/ 側は変更しない）。
   ============================================================ */

:root {
  --sqld-bg-deep:   #03050a;
  --sqld-bg:        #060a12;
  --sqld-bg-panel:  #0a121c;
  --sqld-bg-panel2: #0d1826;
  --sqld-border:    #163143;
  --sqld-border-soft: #0e2230;
  --sqld-cyan:      #22d3ee;
  --sqld-cyan-soft: #8beeff;
  --sqld-cyan-glow: rgba(34, 211, 238, 0.35);
  --sqld-emerald:   #34d399;
  --sqld-emerald-soft: #9df7d3;
  --sqld-danger:    #fb4570;
  --sqld-text:      #d9f6ff;
  --sqld-text-dim:  #7fa9b8;
  --sqld-text-faint: #4c6b78;
  --sqld-mono: "JetBrains Mono", "Consolas", monospace;
  --sqld-sans: "Noto Sans JP", sans-serif;
}

/* ============================================================
   ベース
   ============================================================ */
body.sqld-body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(34, 211, 238, 0.08), transparent 60%),
    linear-gradient(180deg, var(--sqld-bg-deep) 0%, var(--sqld-bg) 40%, var(--sqld-bg-deep) 100%);
  color: var(--sqld-text);
  font-family: var(--sqld-sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  isolation: isolate;
  color-scheme: dark;
}
body.sqld-body, body.sqld-body * {
  color-scheme: dark;
  box-sizing: border-box;
}

/* うっすらグリッド線背景 */
body.sqld-body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.055) 1px, transparent 1px);
  background-size: 42px 42px;
  background-position: center top;
  pointer-events: none;
}

body.sqld-body .sqld-main { flex: 1 0 auto; }
body.sqld-body .site-header { flex: none; }
body.sqld-body .site-footer { flex: none; margin-top: auto; }

/* ============================================================
   サイト共通ヘッダー/フッターのダーク上書き（the-backspace.css方式）
   ============================================================ */
body.sqld-body .site-header,
body.sqld-body .site-footer {
  font-family: var(--sqld-sans);
}
body.sqld-body .site-header {
  background: rgba(3, 6, 12, 0.95);
  border-bottom: 1px solid var(--sqld-border);
}
body.sqld-body .site-catch { color: var(--sqld-text-dim); }
body.sqld-body .site-catch strong { color: var(--sqld-cyan-soft); }
body.sqld-body .brand-fallback { background: var(--sqld-cyan); color: var(--sqld-bg-deep); }
body.sqld-body .btn-h { border-color: var(--sqld-border); }
body.sqld-body .btn-h.ghost { color: var(--sqld-text); background: transparent; }
body.sqld-body .btn-h.ghost:hover { border-color: var(--sqld-cyan); color: var(--sqld-cyan-soft); }
body.sqld-body .btn-h.solid { background: var(--sqld-cyan); border-color: var(--sqld-cyan); color: var(--sqld-bg-deep); }
body.sqld-body .btn-h.solid:hover { background: var(--sqld-cyan-soft); border-color: var(--sqld-cyan-soft); }
body.sqld-body .site-footer { background: rgba(3, 6, 12, 0.95); border-top: 1px solid var(--sqld-border); }
body.sqld-body .footer-inner { color: var(--sqld-text-faint); }
body.sqld-body .footer-copy { color: var(--sqld-text-faint); }
body.sqld-body .footer-links a { color: var(--sqld-text-dim); }
body.sqld-body .footer-links a:hover { color: var(--sqld-cyan-soft); }

/* ============================================================
   アプリ全体
   ============================================================ */
.sqld-main {
  padding: 1.5rem 1.25rem 3rem;
  display: flex;
  justify-content: center;
}
.sqld-app {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  font-family: var(--sqld-sans);
}

.sqld-screen { display: none; }
.sqld-screen.active { display: block; animation: sqld-fade-in 0.4s ease-out; }

@keyframes sqld-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* パネル共通（HUD/ターミナル風・角のブラケット装飾） */
.sqld-panel {
  position: relative;
  background: linear-gradient(180deg, rgba(13, 24, 38, 0.85), rgba(6, 10, 18, 0.9));
  border: 1px solid var(--sqld-border);
  border-radius: 6px;
  padding: 1.1rem 1.25rem;
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.05) inset, 0 10px 28px rgba(0, 0, 0, 0.35);
}
.sqld-panel::before,
.sqld-panel::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
}
.sqld-panel::before {
  top: -1px; left: -1px;
  border-top: 2px solid var(--sqld-cyan);
  border-left: 2px solid var(--sqld-cyan);
}
.sqld-panel::after {
  bottom: -1px; right: -1px;
  border-bottom: 2px solid var(--sqld-emerald);
  border-right: 2px solid var(--sqld-emerald);
}
.sqld-panel-label {
  font-family: var(--sqld-mono);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  color: var(--sqld-cyan-soft);
  margin-bottom: 0.6rem;
  opacity: 0.85;
}

/* ボタン共通 */
.sqld-btn {
  font-family: var(--sqld-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 0.65rem 1.3rem;
  border-radius: 4px;
  border: 1px solid var(--sqld-border);
  background: var(--sqld-bg-panel);
  color: var(--sqld-text);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}
.sqld-btn:hover, .sqld-btn:focus-visible {
  border-color: var(--sqld-cyan);
  color: var(--sqld-cyan-soft);
  transform: translateY(-1px);
}
.sqld-btn-primary {
  background: linear-gradient(180deg, var(--sqld-cyan), #0e93ab);
  border-color: var(--sqld-cyan);
  color: var(--sqld-bg-deep);
  font-weight: 700;
}
.sqld-btn-primary:hover, .sqld-btn-primary:focus-visible {
  color: var(--sqld-bg-deep);
  box-shadow: 0 0 18px var(--sqld-cyan-glow);
}
.sqld-btn-run {
  background: linear-gradient(180deg, var(--sqld-emerald), #12a978);
  border-color: var(--sqld-emerald);
  color: var(--sqld-bg-deep);
  font-weight: 700;
}
.sqld-btn-run:hover, .sqld-btn-run:focus-visible {
  color: var(--sqld-bg-deep);
  box-shadow: 0 0 18px rgba(52, 211, 153, 0.4);
}
.sqld-btn-ghost { background: transparent; }

/* ============================================================
   スタート画面
   ============================================================ */
.sqld-start-wrap {
  text-align: center;
  padding: 1.5rem 0 2rem;
}
.sqld-yumi-figure {
  width: 120px;
  margin: 0 auto 0.75rem;
}
.sqld-yumi-figure img {
  width: 100%;
  display: block;
  filter: drop-shadow(0 0 18px rgba(34, 211, 238, 0.35));
}
.sqld-title-logo {
  font-family: var(--sqld-mono);
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0.25rem 0 0.4rem;
  color: var(--sqld-text);
  text-shadow: 0 0 18px var(--sqld-cyan-glow), 0 0 42px rgba(34, 211, 238, 0.18);
  background: linear-gradient(90deg, var(--sqld-cyan-soft), var(--sqld-emerald-soft));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sqld-subtitle {
  color: var(--sqld-text-dim);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  margin: 0 0 2rem;
}
.sqld-start-toggles {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
#btn-assist-toggle.is-active {
  border-color: var(--sqld-cyan);
  color: var(--sqld-cyan-soft);
  box-shadow: 0 0 14px var(--sqld-cyan-glow);
}

.sqld-level-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 0 0 2rem;
  text-align: left;
}
.sqld-level-card {
  position: relative;
  background: linear-gradient(180deg, rgba(13, 24, 38, 0.85), rgba(6, 10, 18, 0.9));
  border: 1px solid var(--sqld-border);
  border-radius: 6px;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  cursor: pointer;
  color: var(--sqld-text);
  font-family: var(--sqld-sans);
  text-align: left;
  transition: border-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}
.sqld-level-card:hover, .sqld-level-card:focus-visible {
  border-color: var(--sqld-cyan);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(34, 211, 238, 0.12);
}
.sqld-level-card.is-cleared { border-color: var(--sqld-emerald); }
.sqld-level-card-badge {
  font-family: var(--sqld-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--sqld-cyan-soft);
}
.sqld-level-card.is-cleared .sqld-level-card-badge { color: var(--sqld-emerald-soft); }
.sqld-level-card-title {
  font-weight: 700;
  font-size: 1.02rem;
}
.sqld-level-card-sub {
  font-size: 0.8rem;
  color: var(--sqld-text-dim);
  line-height: 1.5;
}
.sqld-level-card-hs {
  font-family: var(--sqld-mono);
  font-size: 0.7rem;
  color: var(--sqld-text-faint);
  margin-top: 0.3rem;
}
.sqld-level-card-free {
  border-style: dashed;
  border-color: var(--sqld-emerald);
}
.sqld-level-card-free .sqld-level-card-badge { color: var(--sqld-emerald-soft); }

/* ============================================================
   プレイ画面: HUD
   ============================================================ */
.sqld-hud {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.1rem;
  margin-bottom: 1.1rem;
  background: rgba(6, 10, 18, 0.85);
  border: 1px solid var(--sqld-border);
  border-radius: 6px;
  font-family: var(--sqld-mono);
}
.sqld-hud-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.sqld-hud-label {
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  color: var(--sqld-text-faint);
}
.sqld-hud-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--sqld-cyan-soft);
}
#hud-mode-label {
  font-size: 0.85rem;
  color: var(--sqld-text-dim);
  flex: 1;
  text-align: right;
  letter-spacing: 0.03em;
}
.sqld-hud-assist-badge {
  font-size: 0.68rem;
  color: var(--sqld-cyan-soft);
  letter-spacing: 0.04em;
  opacity: 0.85;
  white-space: nowrap;
}
.sqld-hud-quit {
  font-family: var(--sqld-mono);
  font-size: 0.72rem;
  color: var(--sqld-text-faint);
  background: transparent;
  border: 1px solid var(--sqld-border);
  border-radius: 4px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.sqld-hud-quit:hover { border-color: var(--sqld-danger); color: var(--sqld-danger); }

/* ============================================================
   プレイ画面: ミッション + スキーマ
   ============================================================ */
.sqld-play-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
  margin-bottom: 1.1rem;
}
.sqld-mission-prompt {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--sqld-text);
  line-height: 1.6;
}
.sqld-mission-hint {
  font-size: 0.85rem;
  color: var(--sqld-emerald-soft);
  margin: 0;
  line-height: 1.6;
}
.sqld-mission-panel { position: relative; padding-right: 4.5rem; }
.sqld-mission-panel.is-freedive .sqld-mission-prompt { color: var(--sqld-cyan-soft); }

.sqld-yumi-corner {
  position: absolute;
  right: 0.6rem;
  bottom: 0.6rem;
  width: 3.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.sqld-yumi-corner img {
  width: 100%;
  display: block;
  filter: drop-shadow(0 0 10px rgba(34, 211, 238, 0.3));
}
.sqld-yumi-bubble {
  position: absolute;
  bottom: 100%;
  right: 0;
  margin-bottom: 0.4rem;
  white-space: nowrap;
  background: rgba(10, 18, 28, 0.95);
  border: 1px solid var(--sqld-cyan);
  color: var(--sqld-cyan-soft);
  font-size: 0.7rem;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  opacity: 0;
}
.sqld-yumi-bubble.sqld-bubble-pop {
  animation: sqld-bubble-pop 2.4s ease-out forwards;
}
@keyframes sqld-bubble-pop {
  0% { opacity: 0; transform: translateY(4px); }
  10% { opacity: 1; transform: translateY(0); }
  85% { opacity: 1; }
  100% { opacity: 0; }
}

.sqld-schema-list {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.sqld-schema-table-name {
  font-family: var(--sqld-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--sqld-cyan-soft);
  letter-spacing: 0.04em;
}
.sqld-schema-cols {
  font-family: var(--sqld-mono);
  font-size: 0.72rem;
  color: var(--sqld-text-dim);
  line-height: 1.5;
  word-break: break-word;
}

/* ============================================================
   プレイ画面: SQL入力バー
   ============================================================ */
.sqld-input-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(4, 8, 14, 0.9);
  border: 1px solid var(--sqld-cyan);
  border-radius: 6px;
  padding: 0.6rem 0.8rem;
  margin-bottom: 1.1rem;
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.08) inset;
}
.sqld-prompt-mark {
  font-family: var(--sqld-mono);
  color: var(--sqld-emerald-soft);
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
}
.sqld-input-wrap {
  position: relative;
  flex: 1;
  min-width: 0;
}
.sqld-input {
  position: relative;
  z-index: 1;
  width: 100%;
  resize: none;
  background: transparent;
  border: none;
  outline: none;
  color: var(--sqld-text);
  font-family: var(--sqld-mono);
  font-size: 0.95rem;
  line-height: 1.5;
  padding: 0.2rem 0;
  min-height: 1.6em;
  max-height: 5.5em;
  overflow-y: auto;
}
.sqld-input::placeholder { color: var(--sqld-text-faint); }
/* なぞり（アシスト）モード: 入力文字を透明にし、背後のゴースト層で色分け表示する */
.sqld-input.sqld-input-assisted {
  color: transparent;
  caret-color: var(--sqld-cyan-soft);
}
.sqld-ghost {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  font-family: var(--sqld-mono);
  font-size: 0.95rem;
  line-height: 1.5;
  padding: 0.2rem 0;
  white-space: pre-wrap;
  word-break: break-word;
}
.sqld-ghost-todo { color: var(--sqld-text-faint); }
.sqld-ghost-ok { color: var(--sqld-cyan-soft); text-shadow: 0 0 6px var(--sqld-cyan-glow); }
.sqld-ghost-bad { color: var(--sqld-danger); text-shadow: 0 0 6px rgba(251, 69, 112, 0.45); }

/* ============================================================
   プレイ画面: 結果エリア
   ============================================================ */
.sqld-result-area {
  position: relative;
  min-height: 6rem;
  padding: 1rem 1.1rem;
  background: rgba(5, 9, 16, 0.85);
  border: 1px solid var(--sqld-border);
  border-radius: 6px;
  overflow-x: auto;
}
.sqld-result-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sqld-mono);
  font-size: 0.82rem;
}
.sqld-result-table th {
  text-align: left;
  padding: 0.4rem 0.7rem;
  color: var(--sqld-cyan-soft);
  border-bottom: 1px solid var(--sqld-cyan);
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.sqld-result-table td {
  padding: 0.4rem 0.7rem;
  border-bottom: 1px solid var(--sqld-border-soft);
  color: var(--sqld-text);
  white-space: nowrap;
}
.sqld-result-table td.is-null { color: var(--sqld-text-faint); font-style: italic; }
.sqld-result-nodata, .sqld-result-empty {
  color: var(--sqld-text-faint);
  font-family: var(--sqld-mono);
  font-size: 0.85rem;
  text-align: center;
  padding: 0.75rem 0;
}
.sqld-row-in {
  opacity: 0;
  animation: sqld-row-in 0.35s ease-out forwards;
}
@keyframes sqld-row-in {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.sqld-result-error {
  display: none;
  color: var(--sqld-danger);
  font-family: var(--sqld-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  padding: 0.25rem 0;
}
.sqld-result-error.show { display: block; }

.sqld-result-stamp {
  position: absolute;
  top: 0.6rem;
  right: 0.8rem;
  font-family: var(--sqld-mono);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  color: var(--sqld-cyan-soft);
  border: 2px solid var(--sqld-cyan);
  padding: 0.2rem 0.7rem;
  border-radius: 4px;
  transform: rotate(-6deg) scale(0);
  opacity: 0;
}
.sqld-result-stamp.show {
  animation: sqld-stamp-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
@keyframes sqld-stamp-pop {
  0% { transform: rotate(-6deg) scale(0); opacity: 0; }
  60% { transform: rotate(-6deg) scale(1.15); opacity: 1; }
  100% { transform: rotate(-6deg) scale(1); opacity: 1; }
}

/* 正解時: 画面全体が一瞬シアンにフラッシュ */
body.sqld-flash-correct::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(34, 211, 238, 0.16);
  pointer-events: none;
  animation: sqld-flash 0.4s ease-out forwards;
}
@keyframes sqld-flash {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* ミス時: 赤系グリッチでシェイク */
.sqld-shake-miss {
  animation: sqld-shake 0.4s ease-in-out;
  border-color: var(--sqld-danger) !important;
}
@keyframes sqld-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(3px); }
}

.sqld-score-popup {
  position: fixed;
  left: 50%;
  top: 30%;
  transform: translateX(-50%);
  font-family: var(--sqld-mono);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--sqld-cyan-soft);
  text-shadow: 0 0 16px var(--sqld-cyan-glow);
  z-index: 1000;
  pointer-events: none;
  animation: sqld-score-pop 1s ease-out forwards;
}
@keyframes sqld-score-pop {
  0% { opacity: 0; transform: translate(-50%, 10px) scale(0.8); }
  20% { opacity: 1; transform: translate(-50%, -10px) scale(1.1); }
  100% { opacity: 0; transform: translate(-50%, -50px) scale(1); }
}

/* ============================================================
   結果画面
   ============================================================ */
.sqld-result-panel {
  max-width: 480px;
  margin: 2rem auto 0;
  text-align: center;
  padding: 2rem 1.5rem;
}
.sqld-result-panel .sqld-yumi-figure { width: 100px; }
#result-title {
  font-family: var(--sqld-mono);
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  color: var(--sqld-cyan-soft);
  margin: 0.5rem 0 0.4rem;
}
.sqld-result-comment {
  color: var(--sqld-text-dim);
  font-size: 0.9rem;
  margin: 0 0 1.5rem;
}
.sqld-result-mode-badge {
  display: none;
  font-family: var(--sqld-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--sqld-cyan-soft);
  border: 1px solid var(--sqld-cyan);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  margin: 0 auto 0.9rem;
  width: fit-content;
}
.sqld-result-mode-badge.show { display: block; }
.sqld-result-stats {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}
.sqld-result-stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.rs-label {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--sqld-text-faint);
  font-family: var(--sqld-mono);
}
.rs-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--sqld-emerald-soft);
  font-family: var(--sqld-mono);
}
.sqld-new-record {
  display: none;
  color: var(--sqld-cyan-soft);
  font-weight: 700;
  margin-bottom: 1.25rem;
  animation: sqld-fade-in 0.6s ease-out;
}
.sqld-new-record.show { display: block; }
.sqld-result-buttons {
  display: flex;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (max-width: 780px) {
  .sqld-level-grid { grid-template-columns: repeat(2, 1fr); }
  .sqld-play-grid { grid-template-columns: 1fr; }
  .sqld-mission-panel { padding-right: 1.25rem; padding-bottom: 3.5rem; }
  .sqld-yumi-corner { right: 0.8rem; bottom: 0.5rem; width: 2.6rem; }
}
@media (max-width: 520px) {
  .sqld-title-logo { font-size: 1.9rem; }
  .sqld-level-grid { grid-template-columns: 1fr; }
  .sqld-hud { flex-wrap: wrap; gap: 0.75rem; }
  #hud-mode-label { text-align: left; width: 100%; order: 10; }
  .sqld-input-bar { flex-wrap: wrap; }
  .sqld-input-wrap { min-width: 0; width: 100%; order: 1; }
  .sqld-prompt-mark { order: 0; }
  .sqld-btn-run, #btn-skip { order: 2; }
}

@media (prefers-reduced-motion: reduce) {
  .sqld-screen.active,
  .sqld-row-in,
  .sqld-result-stamp.show,
  body.sqld-flash-correct::after,
  .sqld-shake-miss,
  .sqld-score-popup,
  .sqld-yumi-bubble.sqld-bubble-pop {
    animation: none;
    opacity: 1;
  }
}