/* ============================================================
   INCIPIT Studio — デザイン言語は incipit-atelier.com を踏襲
   白・漆黒・Cormorant Garamond・広い字間・余白の静けさ
   ============================================================ */
:root {
  --paper: #FFFFFF;
  --ink: #0A0A0A;
  --muted: #666666;
  --faint: #999999;
  --line: rgba(0, 0, 0, 0.06);
  --line-strong: rgba(0, 0, 0, 0.12);
  --canvas: #0E0E10;          /* プレビューの暗幕 */
  --serif-en: 'Cormorant Garamond', serif;
  --serif-jp: 'Noto Serif JP', serif;
  --sans: 'Noto Sans JP', sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* ===== 起動スプラッシュ（ロゴ上下スライド） ===== */
#splash {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--paper);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 28px;
  animation: spFade 0.7s ease 2.5s forwards;
}
#splash.done { display: none; }
.sp-top {
  transform: translateY(-60vh);
  animation: spFromTop 1.1s cubic-bezier(.16, 1, .3, 1) 0.15s forwards;
}
.sp-logo { width: 150px; height: auto; display: block; }
.sp-line {
  width: 0; height: 1px; background: var(--ink);
  animation: spLine 0.9s cubic-bezier(.16, 1, .3, 1) 1.0s forwards;
}
.sp-bottom {
  transform: translateY(60vh);
  animation: spFromBottom 1.1s cubic-bezier(.16, 1, .3, 1) 0.15s forwards;
  text-align: center;
}
.sp-name {
  font-family: var(--serif-en);
  font-size: 26px; font-weight: 400; letter-spacing: 0.5em;
  padding-left: 0.5em; /* 字間ぶんの視覚センター補正 */
}
.sp-tag {
  font-family: var(--serif-jp);
  font-size: 12px; color: var(--muted); letter-spacing: 0.3em;
  margin-top: 10px;
}
@keyframes spFromTop { to { transform: translateY(0); } }
@keyframes spFromBottom { to { transform: translateY(0); } }
@keyframes spLine { to { width: 220px; } }
@keyframes spFade { to { opacity: 0; visibility: hidden; } }

/* ===== ヘッダー ===== */
.top {
  height: 58px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
}
.brand {
  font-family: var(--serif-en);
  font-size: 17px; font-weight: 500; letter-spacing: 0.3em;
  white-space: nowrap;
}
.brand span { font-weight: 300; color: var(--muted); }
.mode-tabs { display: flex; gap: 8px; }
.mode-tab {
  font-family: var(--sans); font-weight: 400;
  font-size: 13px; letter-spacing: 0.15em;
  padding: 8px 22px;
  background: transparent; color: var(--muted);
  border: 1px solid transparent; border-radius: 999px;
  cursor: pointer; transition: all 0.25s;
  display: flex; align-items: baseline; gap: 8px;
}
.mode-tab small { font-size: 10px; color: var(--faint); letter-spacing: 0.1em; }
.mode-tab.active {
  color: var(--ink);
  border-color: var(--ink);
}
.mode-tab:hover:not(.active) { color: var(--ink); }
.top-right { display: flex; align-items: center; gap: 14px; }
.privacy-chip {
  font-size: 11px; color: var(--muted); letter-spacing: 0.12em;
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 4px 14px;
}
.usage-chip { font-size: 11px; color: var(--faint); letter-spacing: 0.12em; }

/* ===== 本体レイアウト ===== */
.studio {
  display: grid;
  grid-template-columns: 290px 1fr;
  height: calc(100vh - 58px);
}

/* --- 素材庫 --- */
.bins {
  border-right: 1px solid var(--line);
  overflow-y: auto;
  padding: 20px 18px 40px;
  display: flex; flex-direction: column; gap: 22px;
}
.bin h2 {
  font-family: var(--sans);
  font-size: 11px; font-weight: 500; letter-spacing: 0.3em;
  color: var(--ink); margin-bottom: 8px;
  display: flex; align-items: baseline; gap: 8px;
}
.bin h2 small { font-size: 10px; font-weight: 300; color: var(--faint); letter-spacing: 0.15em; }
.bin-body {
  min-height: 84px;
  border: 1px dashed var(--line-strong);
  border-radius: 6px;
  padding: 8px;
  display: flex; flex-wrap: wrap; gap: 6px;
  align-content: flex-start;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.bin-body.dragover { border-color: var(--ink); background: rgba(0, 0, 0, 0.02); }
.bin-empty {
  width: 100%;
  font-size: 11px; color: var(--faint); letter-spacing: 0.1em;
  text-align: center; padding: 16px 0;
  pointer-events: none;
}
.asset {
  position: relative;
  width: 76px; height: 50px;
  border-radius: 4px; overflow: hidden;
  background: var(--canvas);
  border: 1px solid var(--line);
}
.asset img, .asset video { width: 100%; height: 100%; object-fit: cover; display: block; }
.asset .a-name {
  position: absolute; left: 0; right: 0; bottom: 0;
  font-size: 8px; line-height: 1.3; color: #fff;
  background: linear-gradient(transparent, rgba(0,0,0,.75));
  padding: 6px 4px 2px; letter-spacing: 0.05em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.asset .a-del {
  position: absolute; top: 2px; right: 2px;
  width: 16px; height: 16px; border-radius: 50%;
  background: rgba(0,0,0,.55); color: #fff;
  border: none; font-size: 9px; line-height: 1;
  cursor: pointer; opacity: 0; transition: opacity .15s;
}
.asset:hover .a-del { opacity: 1; }
.asset.audio {
  width: 100%; height: 34px;
  background: #F6F6F4; border: 1px solid var(--line);
  display: flex; align-items: center; padding: 0 10px;
}
.asset.audio .a-name {
  position: static; background: none; color: var(--ink);
  font-size: 10px; padding: 0;
}

/* --- ステージ --- */
.stage {
  display: flex; flex-direction: column;
  padding: 26px 34px 20px;
  gap: 18px;
  overflow-y: auto;
}
.preview-wrap { display: flex; justify-content: center; }
.preview {
  position: relative;
  background: var(--canvas);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.10);
}
/* ショート＝縦 9:16 ／ ロング＝横 16:9 */
body.mode-short .preview { height: min(52vh, 560px); aspect-ratio: 9 / 16; }
body.mode-long  .preview { width: min(78%, 880px); aspect-ratio: 16 / 9; }
.preview video { width: 100%; height: 100%; display: none; background: #000; }
.preview.has-video video { display: block; }
.preview.has-video .preview-empty { display: none; }
.preview-empty {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 10px;
  color: #5a5a60;
}
.pe-mark {
  width: 54px; height: 54px; border-radius: 50%;
  border: 1px solid #3a3a40;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; padding-left: 4px;
}
.preview-empty p { font-size: 11px; letter-spacing: 0.25em; }

/* --- 指示 --- */
.order { max-width: 880px; width: 100%; margin: 0 auto; }
.order textarea {
  width: 100%;
  font-family: var(--sans); font-weight: 300;
  font-size: 14px; letter-spacing: 0.05em; line-height: 1.8;
  padding: 14px 18px;
  border: 1px solid var(--line-strong); border-radius: 8px;
  resize: none; outline: none;
  transition: border-color 0.2s;
  background: var(--paper); color: var(--ink);
}
.order textarea:focus { border-color: var(--ink); }
.order-row {
  display: flex; align-items: center; gap: 18px;
  margin-top: 10px;
}
.sec-pick { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); letter-spacing: 0.15em; }
body.mode-long .sec-pick { display: none; } /* ロングは時間指定なし */
.sec-pick select {
  font-family: var(--sans); font-size: 13px;
  border: 1px solid var(--line-strong); border-radius: 6px;
  padding: 5px 10px; background: var(--paper); color: var(--ink);
}
.opt-pick { font-size: 12px; color: var(--muted); letter-spacing: 0.12em; display: flex; align-items: center; gap: 6px; }
.make-btn {
  margin-left: auto;
  font-family: var(--sans); font-weight: 400;
  font-size: 14px; letter-spacing: 0.4em; padding-left: 0.4em;
  color: var(--paper); background: var(--ink);
  border: 1px solid var(--ink); border-radius: 999px;
  padding-top: 11px; padding-bottom: 11px;
  width: 168px;
  cursor: pointer; transition: all 0.25s;
}
.make-btn:hover { background: var(--paper); color: var(--ink); }
.make-btn:disabled { opacity: 0.35; cursor: default; }

/* --- 進捗 --- */
.progress { margin-top: 14px; }
.progress-bar { height: 2px; background: var(--line); border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; width: 0%; background: var(--ink); transition: width 0.3s; }
.progress-text { font-size: 11px; color: var(--muted); letter-spacing: 0.2em; margin-top: 8px; }

/* --- 出力 --- */
.outputs { max-width: 880px; width: 100%; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.out-card {
  display: flex; align-items: center; gap: 16px;
  border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 16px;
}
.out-thumb { width: 64px; height: 64px; border-radius: 6px; background: var(--canvas); object-fit: cover; }
.out-info { flex: 1; min-width: 0; }
.out-title { font-size: 13px; letter-spacing: 0.08em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.out-meta { font-size: 11px; color: var(--faint); letter-spacing: 0.1em; margin-top: 2px; }
.out-actions { display: flex; gap: 8px; }
.ok-btn, .but-btn, .dl-btn {
  font-family: var(--sans); font-size: 12px; letter-spacing: 0.2em;
  border-radius: 999px; padding: 7px 18px; cursor: pointer; transition: all 0.2s;
}
.ok-btn { background: var(--ink); color: var(--paper); border: 1px solid var(--ink); }
.ok-btn:hover { background: var(--paper); color: var(--ink); }
.but-btn { background: var(--paper); color: var(--ink); border: 1px solid var(--line-strong); }
.but-btn:hover { border-color: var(--ink); }
.dl-btn { background: var(--paper); color: var(--muted); border: 1px solid var(--line); text-decoration: none; }

/* ロングモードの空間（横画面の別ページ感） */
body.mode-long .stage { padding-top: 34px; }
body.mode-long .studio { grid-template-columns: 250px 1fr; }

/* スクロールバー（静かに） */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,.14); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

/* ============================================================
   モバイル（スマホでショートを作れる）
   ============================================================ */
@media (max-width: 860px) {
  body { overflow: auto; }
  .top { height: auto; padding: 10px 14px; flex-wrap: wrap; gap: 8px; }
  .brand { font-size: 14px; letter-spacing: 0.22em; }
  .top-right { width: 100%; justify-content: space-between; order: 3; }
  .privacy-chip { font-size: 10px; padding: 3px 10px; }
  .mode-tab { padding: 7px 14px; font-size: 12px; }
  .studio { display: block; height: auto; }
  .bins {
    border-right: none; border-bottom: 1px solid var(--line);
    flex-direction: row; overflow-x: auto; overflow-y: hidden;
    padding: 12px 14px; gap: 12px;
  }
  .bin { min-width: 46vw; }
  .bin.works { min-width: 60vw; }
  .bin-body { min-height: 64px; }
  .asset { width: 64px; height: 42px; }
  .stage { padding: 16px 14px 80px; gap: 14px; }
  body.mode-short .preview { height: min(58vh, 480px); }
  body.mode-long .preview { width: 100%; }
  .order textarea { font-size: 16px; } /* iOSの自動ズーム防止 */
  .order-row { flex-wrap: wrap; gap: 10px; }
  .make-btn { width: 100%; margin-left: 0; order: 9; padding-top: 14px; padding-bottom: 14px; }
  .out-card { flex-wrap: wrap; }
  .out-actions { width: 100%; justify-content: flex-end; }
  .sp-logo { width: 110px; }
  .sp-name { font-size: 19px; }
  @keyframes spLine { to { width: 150px; } }
}
/* 秒数の自由入力 */
.sec-pick input { width: 64px; font-family: var(--sans); font-size: 13px; border: 1px solid var(--line-strong); border-radius: 6px; padding: 5px 8px; background: var(--paper); color: var(--ink); text-align: center; outline: none; }
.sec-pick input:focus { border-color: var(--ink); }
.sec-unit { font-size: 12px; color: var(--muted); }

/* 字幕・テロップ素材チップ */
.asset.text { width: 100%; height: auto; min-height: 30px; background: #F6F6F4; border: 1px solid var(--line); display: flex; align-items: center; padding: 5px 10px; border-radius: 4px; }
.asset.text .a-name { position: static; background: none; color: var(--ink); font-size: 10px; padding: 0; white-space: normal; line-height: 1.5; }
.asset.text.srt { border-left: 3px solid var(--ink); }

/* 作風学習バッジ */
.style-badge { font-size: 10px; color: var(--muted); letter-spacing: 0.12em; margin-top: 6px; line-height: 1.6; }
/* つくるボタンの無効状態＝灰色（エンジン準備中） */
.make-btn:disabled { background: #C9C9C9; border-color: #C9C9C9; color: #FFF; opacity: 1; cursor: default; }

/* トースト通知 */
#toast {
  position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%) translateY(20px);
  background: #0A0A0A; color: #FFF; font-size: 13px; letter-spacing: .12em;
  padding: 12px 26px; border-radius: 999px; opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s; z-index: 500;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
/* サンプル素材ボタン（空の動画棚に表示） */
.sample-btn {
  pointer-events: auto; width: 100%; margin-top: 2px;
  font-family: var(--sans); font-size: 11.5px; letter-spacing: .18em;
  color: var(--ink); background: var(--paper);
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 8px 0; cursor: pointer; transition: all .2s;
}
.sample-btn:hover { border-color: var(--ink); }
.sample-btn:disabled { color: var(--faint); cursor: default; }