:root {
  /* Braintrust参考・ライト＆ニュートラル＋クリアブルー（紫は不使用） */
  --bg: #F7F8FA;
  --surface: #FFFFFF;
  --ink: #14171A;
  --ink-soft: #6B7280;
  --line: #E4E7EC;
  --primary: #0D9488;        /* ティール（2.png準拠。パープルは使わない） */
  --primary-dark: #0B7A70;
  --primary-soft: #E6F6F4;
  --primary-grad: linear-gradient(135deg, #14C4B4 0%, #0C8F84 100%); /* ティール→エメラルドのグラデ */
  --danger: #DC2626;
  --danger-soft: #FEF2F2;
  --shadow: 0 6px 24px rgba(15, 23, 42, 0.08);
  --radius: 14px;

  --sidebar-width: 260px;
  --sidebar-bg: #FAFBFC;
  --sidebar-item-active-bg: var(--primary-soft);
  --sidebar-item-active-text: var(--primary-dark);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}

/* ============ App shell（サイドバー＋メイン） ============ */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-width); flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--line);
  padding: 16px 12px; display: flex; flex-direction: column; gap: 4px;
}
.brand {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: none; border: none; cursor: pointer; padding: 6px 8px 14px; text-align: left;
}
.brand-mark {
  font-size: 22px; line-height: 1; width: 34px; height: 34px; border-radius: 9px;
  background: var(--primary-soft); color: var(--primary); display: grid; place-items: center;
}
.brand-name { font-size: 15px; font-weight: 700; color: var(--ink); letter-spacing: .01em; }

.side-nav { display: flex; flex-direction: column; gap: 2px; }
.nav-item {
  display: flex; align-items: center; gap: 10px; width: 100%;
  font: inherit; font-size: 14px; font-weight: 600; color: var(--ink-soft);
  background: none; border: none; border-radius: 10px; padding: 9px 10px; cursor: pointer;
  text-align: left; transition: background .12s ease, color .12s ease;
}
.nav-item:hover { background: #EFF1F4; }
.nav-item.active { background: var(--sidebar-item-active-bg); color: var(--sidebar-item-active-text); box-shadow: inset 3px 0 0 var(--primary); }
.nav-item.drop-hover { background: var(--primary-soft); outline: 1px dashed var(--primary); outline-offset: -1px; }
.nav-ico { width: 20px; display: inline-flex; align-items: center; justify-content: center; }
.nav-ico svg { width: 18px; height: 18px; display: block; }
.nav-label { flex: 1; }
.nav-badge {
  font-size: 11px; font-weight: 700; color: var(--ink-soft);
  background: #F1F3F5; padding: 1px 8px; border-radius: 999px; min-width: 22px; text-align: center;
}
.nav-item.active .nav-badge { background: #fff; color: var(--primary-dark); }
/* 件数バッジは一旦非表示（亮さん指示・2026-07-02）。戻す場合はこの行を消す */
.nav-badge, .tree-count { display: none !important; }
.nav-caret { font-size: 11px; color: var(--ink-soft); transition: transform .15s ease; }
.nav-caret.closed { transform: rotate(-90deg); }

/* フォルダーツリー */
.folder-tree { display: flex; flex-direction: column; gap: 2px; padding: 2px 0 2px 8px; position: relative; }
.folder-tree[hidden] { display: none !important; }
.tree-item {
  display: flex; align-items: center; gap: 8px; width: 100%;
  font: inherit; font-size: 13px; font-weight: 600; color: var(--ink-soft);
  background: none; border: none; border-radius: 8px; padding: 7px 10px 7px 22px; cursor: pointer;
  text-align: left; position: relative;
}
.tree-item::before {
  content: ""; position: absolute; left: 10px; top: 50%; width: 6px; height: 6px;
  border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); transform: translateY(-70%);
}
.tree-item:hover { background: #EFF1F4; }
.tree-item.active { background: var(--sidebar-item-active-bg); color: var(--sidebar-item-active-text); }
.tree-item[data-user-tab="1"] { cursor: grab; }
.tree-item.grabbing { opacity: .95; cursor: grabbing; z-index: 20; box-shadow: 0 8px 18px rgba(15,23,42,.18); background: var(--surface); }
.tree-item.drop-hover { background: var(--primary-soft); outline: 1px dashed var(--primary); }
.tree-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-count { font-size: 11px; font-weight: 700; color: var(--ink-soft); background: #F1F3F5; padding: 0 7px; border-radius: 999px; }
.tree-item.active .tree-count { background: #fff; color: var(--primary-dark); }
.tree-mini {
  border: none; background: none; cursor: pointer; font-size: 12px; color: var(--ink-soft);
  padding: 2px 4px; border-radius: 6px; line-height: 1;
}
.tree-mini:hover { background: rgba(0,0,0,.06); color: var(--primary-dark); }
.tree-mini.del:hover { color: var(--danger); }
.tree-add {
  display: flex; align-items: center; gap: 6px; width: 100%;
  font: inherit; font-size: 13px; font-weight: 600; color: var(--primary-dark);
  background: none; border: none; border-radius: 8px; padding: 7px 10px 7px 22px; cursor: pointer; text-align: left;
}
.tree-add:hover { background: var(--primary-soft); }
.folder-drop-indicator {
  position: absolute; left: 18px; right: 6px; height: 3px; border-radius: 2px;
  background: var(--primary); display: none; pointer-events: none;
}

/* フォルダー作成/リネームのインライン入力（サイドバー内） */
.folder-form { padding: 6px 6px 6px 22px; display: flex; flex-direction: column; gap: 8px; }
.folder-form input {
  font: inherit; font-size: 13px; padding: 7px 10px; border: 1px solid var(--line);
  border-radius: 8px; width: 100%;
}
.folder-form input:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }
.folder-form-btns { display: flex; gap: 8px; }

/* ============ メイン ============ */
.main-content { flex: 1; min-width: 0; }
.page { max-width: 960px; margin: 0 auto; padding: 28px 28px 64px; }
.page-head { margin-bottom: 18px; }
.page-head h2 { font-size: 20px; margin: 0; }
.page-sub { font-size: 12px; color: var(--ink-soft); margin: 4px 0 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 30px 0 14px; flex-wrap: wrap; }
.section-head h2 { font-size: 16px; margin: 0; }
.home-recent { margin-top: 6px; }

/* ハンバーガー＆背景（狭幅時のみ表示） */
.hamburger {
  display: none; position: fixed; top: 14px; left: 14px; z-index: 60;
  width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--surface); font-size: 18px; cursor: pointer; box-shadow: var(--shadow);
}
.scrim { position: fixed; inset: 0; background: rgba(15,23,42,.35); z-index: 40; }

/* ============ 撮影パネル ============ */
.capture-panel {
  background: radial-gradient(130% 90% at 100% 0%, #EAF8F6 0%, var(--surface) 45%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  text-align: center;
}
.capture-title { font-size: 22px; margin: 0 0 6px; letter-spacing: .01em; }
.capture-lead { font-size: 15px; color: var(--ink-soft); margin: 0 0 20px; }
.capture-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.capture-note { font-size: 12px; color: var(--ink-soft); margin: 18px 0 0; }
.tag {
  font-size: 11px; background: var(--primary-soft); color: var(--primary-dark);
  padding: 2px 8px; border-radius: 999px; margin-left: 6px; font-weight: 700; vertical-align: middle;
}

/* Buttons */
.btn {
  font: inherit; font-weight: 600;
  border: 1px solid transparent; border-radius: 10px;
  padding: 11px 20px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: transform .05s ease, background .15s ease, box-shadow .15s ease;
  text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 15px 30px; font-size: 16px; }
.btn-ico { width: 18px; height: 18px; }
.btn-primary { background: var(--primary-grad); color: #fff; box-shadow: 0 6px 16px rgba(13, 148, 136, 0.32); }
.btn-primary:hover { filter: brightness(1.05); box-shadow: 0 8px 20px rgba(13, 148, 136, 0.38); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: #F3F5F8; }
.btn-ghost:disabled { color: #A9B2BD; cursor: not-allowed; opacity: .8; }
.btn-danger-ghost { background: #fff; color: var(--danger); border-color: #F3C7C7; }
.btn-danger-ghost:hover { background: var(--danger-soft); }
.btn-sm { padding: 7px 12px; font-size: 13px; }

/* ============ 受信箱グリッド ============ */
.inbox-empty {
  border: 1px dashed var(--line); border-radius: var(--radius);
  padding: 40px 20px; text-align: center; color: var(--ink-soft); background: #FBFCFD;
}
.inbox-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px;
}
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  overflow: hidden; cursor: pointer; box-shadow: 0 2px 8px rgba(15,23,42,.05);
  transition: transform .08s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.card[draggable="true"] { cursor: grab; }
.card.dragging { opacity: .5; }
.card-thumb-wrap { position: relative; line-height: 0; }
.card-thumb { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: #F1F3F5; display: block; }
.thumb-badge {
  position: absolute; left: 8px; bottom: 8px; background: rgba(15, 23, 42, .78); color: #fff;
  font-size: 11px; font-weight: 600; padding: 3px 8px; border-radius: 999px;
}
.card-body { padding: 10px 12px 12px; }
.card-memo { font-size: 13px; margin: 0 0 6px; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.6em; }
.card-memo.empty { color: #A9B2BD; }
.card-time { font-size: 11px; color: var(--ink-soft); margin: 0; }
.folder-chip { font-size: 11px; background: #F1F3F5; color: var(--ink-soft); padding: 1px 8px; border-radius: 999px; margin-left: 4px; }
.card-actions { display: flex; gap: 8px; align-items: center; padding: 0 12px 12px; }
.mini {
  font: inherit; font-size: 12px; font-weight: 600; border-radius: 8px;
  padding: 6px 10px; cursor: pointer; border: 1px solid var(--line); background: #fff;
}
.mini-send { color: #fff; background: var(--primary-grad); border-color: transparent; }
.mini-send:hover { filter: brightness(1.05); }
.mini-del { color: var(--danger); border-color: #F3C7C7; margin-left: auto; }
.mini-del:hover { background: var(--danger-soft); }
.badge-sent {
  font-size: 12px; font-weight: 700; color: var(--primary-dark);
  background: var(--primary-soft); padding: 5px 10px; border-radius: 999px;
}

/* linkbtn（ホームの「すべて見る」等） */
.linkbtn {
  background: none; border: none; color: var(--primary-dark); font: inherit; font-size: 13px;
  cursor: pointer; padding: 0; font-weight: 600;
}
.linkbtn:hover { text-decoration: underline; }

/* ============ Modal（既存踏襲） ============ */
.modal {
  position: fixed; inset: 0; background: rgba(15, 23, 42, .55);
  display: grid; place-items: center; padding: 20px; z-index: 70;
}
.modal[hidden] { display: none; }
.modal-card {
  background: var(--surface); border-radius: 16px; width: 100%; max-width: 520px;
  box-shadow: 0 20px 60px rgba(0,0,0,.3); overflow: hidden;
}
.modal-card-lg {
  max-width: 860px; max-height: 92vh;
  display: flex; flex-direction: column;
}
.modal-card-lg > * { flex-shrink: 0; }
.editor-stage-wrap, .viewer-body, .veditor-stage {
  flex: 1 1 auto; min-height: 0; overflow: auto;
}
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.modal-head h3 { margin: 0; font-size: 16px; }
.icon-btn { border: none; background: none; font-size: 18px; cursor: pointer; color: var(--ink-soft); padding: 4px 8px; border-radius: 8px; }
.icon-btn:hover { background: #F0F3F4; }
.editor-hint { font-size: 13px; color: var(--ink-soft); padding: 12px 20px 0; margin: 0; }
.editor-hint strong { color: var(--primary-dark); }

/* トリミング用ステージ */
.editor-stage-wrap { display: flex; align-items: flex-start; justify-content: center; padding: 12px 20px 0; }
.editor-stage {
  position: relative; display: inline-block;
  line-height: 0; user-select: none; touch-action: none; cursor: crosshair;
}
.editor-stage img {
  display: block; max-width: 100%; max-height: 52vh; width: auto; height: auto;
  border: 1px solid var(--line); border-radius: 10px; background: #F1F3F5; -webkit-user-drag: none;
}
.sel-box {
  position: absolute; border: 2px solid var(--primary);
  background: rgba(13, 148, 136, 0.18); border-radius: 2px; pointer-events: none;
}
.crop-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 20px 0; flex-wrap: wrap; }
.crop-info { font-size: 12px; color: var(--ink-soft); }
.crop-buttons { display: flex; gap: 8px; }

.viewer-body { padding: 16px 20px 0; text-align: center; }
.viewer-body img, .viewer-body video {
  max-width: 100%; max-height: 46vh; width: auto; margin: 0 auto;
  border: 1px solid var(--line); border-radius: 10px; display: block;
}
.viewer-body img { background: #F1F3F5; }
.viewer-body video { background: #000; }
.viewer-time { font-size: 12px; color: var(--ink-soft); margin: 0; padding: 6px 20px 0; }
.viewer-folder { display: flex; align-items: center; gap: 8px; padding: 12px 20px 0; font-size: 13px; color: var(--ink-soft); }
.viewer-folder select { font: inherit; font-size: 13px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }

.field-label { display: block; font-size: 13px; font-weight: 600; padding: 14px 20px 6px; }
#editor-memo, #veditor-memo, #viewer-memo-input {
  width: calc(100% - 40px); margin: 0 20px; font: inherit; font-size: 14px;
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; resize: vertical;
}
#editor-memo:focus, #veditor-memo:focus, #viewer-memo-input:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; padding: 18px 20px; flex-wrap: wrap; }

/* 共有URL表示（メモ枠の下） */
.url-preview {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin: 12px 20px 0; padding: 10px 12px; border: 1px dashed var(--line);
  border-radius: 10px; background: #FBFCFD; font-size: 13px;
}
.url-ico { font-size: 14px; }
.url-label { font-weight: 600; color: var(--ink); }
.url-value { color: var(--ink-soft); word-break: break-all; }
.url-value em { font-style: normal; font-size: 11px; }

/* 動画エディタ */
.veditor-stage { display: flex; align-items: flex-start; justify-content: center; padding: 12px 20px 0; }
.veditor-stage video { max-width: 100%; max-height: 52vh; border: 1px solid var(--line); border-radius: 10px; background: #000; display: block; }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 999px;
  font-size: 13px; box-shadow: var(--shadow); z-index: 90;
}
.toast[hidden] { display: none; }

/* 録画バー */
.rec-bar {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 16px;
  padding: 8px 14px; background: var(--danger-soft); border: 1px solid #F3C9C9; border-radius: 999px;
}
.rec-dot { width: 10px; height: 10px; border-radius: 50%; background: #D63B3B; animation: recblink 1s steps(2, start) infinite; }
@keyframes recblink { to { opacity: .2; } }
.rec-label { font-size: 13px; font-weight: 700; color: #B02A2A; }
.rec-mic { font-size: 12px; font-weight: 600; color: #B02A2A; }
.rec-time { font-size: 13px; font-variant-numeric: tabular-nums; color: #B02A2A; }

/* ミニコントローラ（ライブプレビュー＋撮る/停止＋最前面の小窓） */
.mini-controller {
  margin-top: 16px; display: inline-flex; flex-direction: column; gap: 10px; align-items: stretch;
  padding: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow); width: 340px; max-width: 100%; text-align: left;
}
.mc-preview {
  width: 100%; aspect-ratio: 16 / 10; background: #000; border-radius: 10px; display: block;
  object-fit: contain; border: 1px solid var(--line);
}
.mc-row { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); }
.mc-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 3px rgba(13, 148, 136, .18); }
.mc-status { font-weight: 600; color: var(--primary-dark); }
.mc-time { margin-left: auto; font-variant-numeric: tabular-nums; font-weight: 700; color: var(--danger); }
.mc-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* PiP（最前面の小窓）の中身 */
.pip-body { margin: 0; padding: 10px; background: var(--bg); font-family: system-ui, -apple-system, "Hiragino Kaku Gothic ProN", sans-serif; }
.pip-body .mini-controller { margin: 0; width: auto; box-shadow: none; border: none; padding: 0; }

/* マイク切替 */
.mic-toggle {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 14px;
  font-size: 13px; color: var(--ink-soft); cursor: pointer;
}
.mic-toggle input { width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer; }

/* ============ レスポンシブ（1024px未満はサイドバーをドロワー化） ============ */
@media (max-width: 1024px) {
  .hamburger { display: block; }
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 50;
    transform: translateX(-100%); transition: transform .2s ease; box-shadow: var(--shadow);
  }
  .app-shell.drawer-open .sidebar { transform: translateX(0); }
  .main-content { width: 100%; }
  .page { padding-top: 64px; }
}