.hero-chip { display: block; max-width: 360px; box-sizing: border-box; margin: 12px auto 0; padding: 0 12px; border: 0; border-radius: 0; box-shadow: none; background: none; white-space: normal; line-height: 1.9; font-size: 14px; text-wrap: balance; }
.hero-chip svg { width: 16px; height: 16px; vertical-align: middle; }
.mail-bar, .mail-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 10px 0; }
.mail-bar p { flex: 1; min-width: 120px; font-size: 12px; }
#mailLogin { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
#mailLogin[hidden] { display: none; }
#mailLogin input { flex: 1; min-width: 0; padding: 10px; border: 1px solid #bddbea; border-radius: 6px; }
.mail-compose summary { cursor: pointer; color: #28628a; font-size: 13px; margin: 14px 0; }
.mail-compose textarea { width: 100%; box-sizing: border-box; min-height: 90px; margin-bottom: 8px; }
.mail-kind { font-size: 11px; border-radius: 999px; padding: 2px 10px; margin-left: 8px; white-space: nowrap; }
.mail-mood { font-size: 11px; border-radius: 999px; padding: 2px 8px; margin-left: 6px; white-space: nowrap; border: 1px solid transparent; }
.mail-mood-miss { background: #f3e8ff; color: #7c5bd1; border-color: #e2d4f8; }
.mail-mood-joy { background: #fff4d6; color: #a6761a; border-color: #f3e2ad; }
.mail-mood-sad { background: #e3effa; color: #3c6e9f; border-color: #c9e0f3; }
.mail-mood-fear { background: #efeff4; color: #5d5d6e; border-color: #d9d9e3; }
.mail-mood-anger { background: #fde8e4; color: #c05240; border-color: #f6cfc7; }
.mail-mood-calm { background: #e6f4ec; color: #3f7d5a; border-color: #cfe8da; }
.mail-photo-row { display: flex; align-items: center; gap: 10px; margin: 10px 0 4px; }
.mail-photo-note { font-size: 12px; opacity: .7; }
.mail-photo-previews { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0; }
.mail-photo-thumb { position: relative; width: 64px; height: 64px; }
.mail-photo-thumb img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; display: block; }
.mail-photo-thumb button { position: absolute; top: -6px; right: -6px; width: 20px; height: 20px; border-radius: 50%; border: none; background: rgba(0, 0, 0, 0.55); color: #fff; font-size: 12px; line-height: 1; cursor: pointer; padding: 0; margin: 0; }
.mail-photos { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; margin-top: 10px; }
.mail-photos a { display: block; }
.mail-photos img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 10px; display: block; }
.mail-grid { display: block; }
.mail-grid .letter-card { grid-column: 1 / -1; }
@media (min-width: 880px) {
  .mail-grid > .collections-preview, .mail-grid > .collection-more[open] > .collections-rest { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; align-items: start; }
}
#mailComposer .sign-row { flex-wrap: wrap; gap: 8px 12px; align-items: center; }
#mailComposer .sign-row > span, #mailComposer .mail-sign { white-space: nowrap; flex: none; }
@media (max-width: 480px) {
  #mailComposer .sign-row > span { flex-basis: 100%; }
}
.mail-env { position: relative; display: block; width: 100%; aspect-ratio: 16 / 10; background: var(--card, #fff); border: 1.5px solid var(--blush, #cfe0ee); border-radius: 10px; cursor: pointer; overflow: hidden; padding: 0; font: inherit; color: inherit; text-align: left; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05); transition: transform 0.15s ease; }
.mail-env:hover { transform: translateY(-3px); }
.mail-env:focus-visible { outline: 2.5px solid var(--rose, #347eae); outline-offset: 2px; }
.mail-env::before { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 52%; background: var(--blush-bg, #f4f8fb); clip-path: polygon(0 0, 100% 0, 50% 100%); border-bottom: 1px solid var(--blush, #cfe0ee); }
.env-seal { position: absolute; left: 50%; top: 46%; transform: translate(-50%, -50%); width: 20px; height: 20px; border-radius: 50%; background: var(--rose, #347eae); box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25); }
.seal-miss { background: #9d7bd8; }
.seal-joy { background: #e0a92f; }
.seal-sad { background: #5b8fc0; }
.seal-fear { background: #8b8b9d; }
.seal-anger { background: #d26a56; }
.seal-calm { background: #5d9f79; }
.env-name { position: absolute; left: 12px; bottom: 26px; font-family: var(--kai, serif); font-size: 15px; font-weight: 700; }
.env-date { position: absolute; left: 12px; bottom: 8px; font-size: 11px; opacity: 0.6; }
.env-kind { position: absolute; right: 10px; bottom: 8px; font-size: 10px; opacity: 0.75; }
.letter-card .env-close { float: right; margin: -4px 0 0 8px; }
.mail-kind-life { background: var(--blush-bg, #fdf3f6); border: 1px solid var(--blush, #f7cdda); color: var(--rose, #e4537e); }
.mail-kind-essay { background: var(--rose, #e4537e); border: 1px solid var(--rose, #e4537e); color: #fff; }
.mail-reply { margin-top: 12px; border-left: 2px solid #e6bc39; padding: 8px 12px; }
.mail-reply .text { margin: 4px 0; }
.mail-state { font-size: 12px; }
.mail-advice { overflow-wrap: anywhere; font-size: 13px; line-height: 1.9; }
.mail-advice h3 { font-size: 14px; margin: 12px 0 4px; }
.mail-advice p { white-space: pre-wrap; }
button:disabled { opacity: .55; cursor: wait; }
.ai-settings input { box-sizing: border-box; width: 100%; padding: 10px; margin: 6px 0 12px; }
.ai-settings label { display: block; font-size: 13px; }
.mail-ai-choice { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 12px; font-size: 13px; line-height: 1.7; color: var(--ink-soft); }
.mail-ai-choice input { accent-color: var(--rose); }
.mail-ai-choice span { font-size: 11px; }
.mail-voice-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 12px 0; }
.mail-voice-row [aria-pressed="true"] { color: #a53646; background: #fff0ed; }
.mail-voice-row span { font-size: 12px; color: var(--ink-soft); }
.mail-voice-player { display: block; width: 100%; max-width: 420px; min-width: 0; margin: 12px 0; }
.mail-voice-player[hidden] { display: none; }