/* ============================================================
   LIFETAPE — 紙ラベル×レコードショップ調
   ink #17171C / paper #F4F4EF / blue #2743E3 / coral #FF5140
   ============================================================ */
:root {
  --ink: #17171c;
  --ink-dim: #5c5c66;
  --paper: #f4f4ef;
  --card: #ffffff;
  --line: #d8d8d0;
  --blue: #2743e3;
  --coral: #ff5140;
  --focus: 2px solid var(--blue);
  --radius: 16px;
  /* 選んだ曲のサムネ色で書き換わる */
  --tint-a: #f4f4ef;
  --tint-b: #f4f4ef;
  --tint-c: #f4f4ef;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* 曲の色調で変わる背景レイヤー */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(165deg, var(--tint-a) 0%, var(--tint-b) 48%, var(--tint-c) 100%);
  transition: background 1.2s ease;
}

/* 3Dポリゴン背景 */
#bg3d {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}

/* 紙のグレイン */
.grain {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

button { font: inherit; cursor: pointer; }
input { font: inherit; color: inherit; }
:focus-visible { outline: var(--focus); outline-offset: 2px; }

#editorView {
  max-width: 640px;
  margin: 0 auto;
  padding: 44px 20px 90px;
  position: relative;
  z-index: 1;
}

/* ---------- ヘッダー ---------- */
.site-header { margin-bottom: 40px; }

.logo-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.logo {
  font-family: "Anton", "Zen Kaku Gothic New", sans-serif;
  font-size: clamp(46px, 9vw, 68px);
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--ink);
  transform: skewX(-4deg);
  text-shadow: 3px 3px 0 rgba(39, 67, 227, 0.18);
}

.logo-tick {
  color: var(--coral);
  font-size: 0.55em;
  vertical-align: 0.18em;
  margin-left: 6px;
}

.cassette {
  width: 74px;
  height: auto;
  color: var(--ink);
  flex: none;
  filter: drop-shadow(2px 2px 0 rgba(255, 81, 64, 0.35));
}
.cassette .hub {
  animation: hubspin 3.2s linear infinite;
  transform-origin: center;
  transform-box: fill-box;
}
@keyframes hubspin { to { transform: rotate(360deg); } }

.tagline {
  display: inline-block;
  margin-top: 10px;
  font-weight: 700;
  font-size: 14px;
  color: var(--blue);
  border-bottom: 3px solid var(--blue);
  padding-bottom: 2px;
}

.lead {
  margin-top: 14px;
  font-size: 14px;
  color: var(--ink-dim);
}

/* ---------- パネル ---------- */
.panel {
  background: var(--card);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 rgba(23, 23, 28, 0.14);
  padding: 22px;
  margin-bottom: 24px;
}

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

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}

.field-label {
  display: inline-block;
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.08em;
  background: var(--ink);
  color: var(--paper);
  padding: 3px 12px;
  border-radius: 999px;
}

.track-count {
  font-size: 13px;
  color: var(--ink-dim);
  background: var(--card);
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: 2px 14px;
  box-shadow: 2px 2px 0 rgba(23,23,28,0.12);
}
.track-count b {
  font-family: "Anton", sans-serif;
  font-size: 20px;
  color: var(--coral);
  letter-spacing: 0.04em;
}

.title-input {
  margin-top: 12px;
  width: 100%;
  border: none;
  border-bottom: 2.5px solid var(--line);
  background: transparent;
  font-size: 24px;
  font-weight: 700;
  padding: 6px 2px;
  transition: border-color 0.2s;
}
.title-input:focus { border-bottom-color: var(--blue); outline: none; }

/* ---------- エントリカード ---------- */
.entry-list {
  list-style: none;
  display: grid;
  gap: 14px;
}

.entry {
  position: relative;
  background: var(--card);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 rgba(23, 23, 28, 0.12);
  padding: 18px 14px 14px 12px;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) 34px;
  gap: 10px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.2s;
}
.entry:hover {
  transform: translateY(-2px);
  box-shadow: 5px 7px 0 rgba(23, 23, 28, 0.16);
}
.entry.dragging {
  opacity: 0.45;
  transform: scale(0.99) rotate(-0.5deg);
}

/* トラック番号タブ */
.entry-no {
  position: absolute;
  top: -12px;
  left: 14px;
  font-family: "Anton", sans-serif;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: #fff;
  background: var(--blue);
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: 1px 12px;
  box-shadow: 2px 2px 0 rgba(23,23,28,0.25);
}

/* ドラッグハンドル */
.drag-handle {
  border: none;
  background: transparent;
  color: var(--line);
  font-size: 18px;
  line-height: 1;
  letter-spacing: -2px;
  cursor: grab;
  border-radius: 8px;
  padding: 4px 2px;
  align-self: center;
  writing-mode: vertical-lr;
  transition: color 0.15s, background 0.15s;
  touch-action: none;
}
.drag-handle:hover { color: var(--blue); background: rgba(39,67,227,0.08); }
.drag-handle:active { cursor: grabbing; }

.entry-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 9px;
  min-width: 0;
}

.entry-row1 { display: flex; gap: 8px; }

.label-input {
  flex: 1;
  min-width: 0;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  font-weight: 700;
  font-size: 15px;
  background: var(--paper);
  box-shadow: inset 1px 2px 0 rgba(23,23,28,0.06);
  transition: border-color 0.15s, background 0.15s;
}
.year-input {
  width: 92px;
  flex: none;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 8px 8px;
  font-weight: 700;
  background: var(--paper);
  box-shadow: inset 1px 2px 0 rgba(23,23,28,0.06);
  transition: border-color 0.15s, background 0.15s;
}
.comment-input {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 7px 12px;
  font-size: 13px;
  background: var(--paper);
  box-shadow: inset 1px 2px 0 rgba(23,23,28,0.06);
  transition: border-color 0.15s, background 0.15s;
}
.label-input:focus, .year-input:focus, .comment-input:focus, .url-input:focus {
  border-color: var(--blue);
  background: #fff;
  outline: none;
}

.url-input {
  width: 100%;
  border: 1.5px dashed var(--ink-dim);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 13px;
  background: #fbfbf8;
}

.yt-help { font-size: 11px; color: var(--ink-dim); }
.yt-help a { color: var(--blue); font-weight: 700; text-decoration: none; }
.yt-help a:hover { text-decoration: underline; }

/* 曲チップ（リンク解決後） */
.song-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-left-width: 7px;
  border-radius: 12px;
  padding: 7px 8px;
  animation: chipin 0.28s cubic-bezier(0.34, 1.4, 0.64, 1);
}
@keyframes chipin {
  from { opacity: 0; transform: translateY(6px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}
.song-chip img {
  width: 62px;
  height: 46px;
  object-fit: cover;
  border-radius: 8px;
  flex: none;
  background: #ddd;
  box-shadow: 1px 2px 4px rgba(0,0,0,0.18);
}
.song-chip .song-meta { min-width: 0; flex: 1; }
.song-chip .song-title {
  font-weight: 700;
  font-size: 13px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  border-radius: 4px;
}
.song-chip .song-title:focus { outline: var(--focus); outline-offset: 1px; }
.song-chip .song-link {
  font-size: 11px;
  color: var(--blue);
  text-decoration: none;
  font-weight: 700;
}
.song-chip .song-link:hover { text-decoration: underline; }

.chip-x {
  flex: none;
  border: none;
  background: transparent;
  color: var(--ink-dim);
  font-size: 15px;
  padding: 4px 7px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.chip-x:hover { background: rgba(23,23,28,0.08); color: var(--coral); }

/* 右側コントロール（↑↓・削除） */
.entry-ctrl {
  display: grid;
  gap: 4px;
  align-content: center;
}
.ctrl-btn {
  border: 1.5px solid var(--line);
  background: var(--card);
  color: var(--ink-dim);
  border-radius: 9px;
  width: 32px;
  height: 30px;
  font-size: 13px;
  line-height: 1;
  display: grid;
  place-items: center;
  transition: transform 0.1s, border-color 0.15s, color 0.15s, background 0.15s;
}
.ctrl-btn:hover:not(:disabled) { border-color: var(--blue); color: var(--blue); background: #fff; }
.ctrl-btn:active:not(:disabled) { transform: translateY(1px); }
.ctrl-btn:disabled { opacity: 0.3; cursor: default; }
.ctrl-btn.ctrl-del:hover { border-color: var(--coral); color: var(--coral); }

.add-btn {
  margin-top: 14px;
  width: 100%;
  border: 1.5px dashed var(--ink);
  background: rgba(255,255,255,0.6);
  border-radius: 12px;
  padding: 11px;
  font-weight: 700;
  color: var(--ink);
  transition: background 0.15s, transform 0.1s;
}
.add-btn:hover:not(:disabled) { background: rgba(39, 67, 227, 0.07); }
.add-btn:active:not(:disabled) { transform: translateY(1px); }
.add-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.hint { margin-top: 14px; font-size: 12px; color: var(--ink-dim); }

/* ---------- つくるボタン ---------- */
.make-bar { margin: 30px 0; text-align: center; }

.make-btn {
  display: inline-block;
  font-family: inherit;
  font-weight: 900;
  font-size: 19px;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--blue);
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  box-shadow: 5px 5px 0 var(--ink);
  padding: 15px 46px;
  text-decoration: none;
  transition: transform 0.12s, box-shadow 0.12s, background 0.2s;
}
.make-btn:hover:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--ink);
}
.make-btn:active:not(:disabled) {
  transform: translate(5px, 5px);
  box-shadow: 0 0 0 var(--ink);
}
.make-btn:disabled {
  background: #a9a9b0;
  box-shadow: none;
  cursor: not-allowed;
}

/* ---------- 結果 ---------- */
.result-panel { border-color: var(--coral); box-shadow: 5px 5px 0 rgba(255, 81, 64, 0.28); }

.result-title { font-size: 18px; font-weight: 900; margin-bottom: 14px; }

.tile-wrap {
  background: repeating-linear-gradient(45deg, #eee 0 8px, #f6f6f2 8px 16px);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
}
.tile-wrap img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 10px 32px rgba(0,0,0,0.3);
}

.share-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.share-btn {
  border: 1.5px solid var(--ink);
  background: var(--paper);
  border-radius: 12px;
  padding: 12px 8px;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 2px 2px 0 rgba(23,23,28,0.18);
  transition: transform 0.1s, box-shadow 0.1s, background 0.15s;
}
.share-btn:hover { background: #fff; transform: translate(1px, 1px); box-shadow: 1px 1px 0 rgba(23,23,28,0.18); }
.share-btn:active { transform: translate(2px, 2px); box-shadow: none; }

.share-bsky {
  grid-column: 1 / -1;
  background: #1085fe;
  color: #fff;
  font-size: 15px;
  padding: 14px;
  box-shadow: 3px 3px 0 rgba(23,23,28,0.3);
}
.share-bsky:hover { background: #0072e8; }

.share-hint { margin-top: 14px; font-size: 12px; color: var(--ink-dim); }
.share-hint b { color: var(--coral); }

/* ---------- 初期化 ---------- */
.reset-bar { margin-top: 34px; text-align: center; }

.reset-btn {
  border: 1.5px dashed var(--ink-dim);
  background: transparent;
  color: var(--ink-dim);
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 8px 20px;
  transition: color 0.15s, border-color 0.15s, background 0.15s, transform 0.1s;
}
.reset-btn:hover { color: var(--coral); border-color: var(--coral); background: rgba(255,81,64,0.06); }
.reset-btn:active { transform: translateY(1px); }

.reset-btn.confirming {
  color: #fff;
  background: var(--coral);
  border: 1.5px solid var(--ink);
  box-shadow: 2px 2px 0 rgba(23,23,28,0.3);
  animation: resetshake 0.3s ease;
}
@keyframes resetshake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}

/* ---------- フッター ---------- */
.site-footer {
  max-width: 640px;
  margin: 0 auto;
  padding: 20px;
  font-size: 11px;
  color: var(--ink-dim);
  text-align: center;
  position: relative;
  z-index: 1;
}

/* ---------- トースト ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 20px);
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  padding: 11px 24px;
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 50;
  max-width: 90vw;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- レスポンシブ ---------- */
@media (max-width: 480px) {
  .share-grid { grid-template-columns: 1fr; }
  .entry { grid-template-columns: 20px minmax(0, 1fr) 34px; padding-left: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}