html, body { height: 100%; }
body { display: flex; flex-direction: column; }
[hidden] { display: none !important; }
button { font: inherit; color: inherit; }
img { display: block; }

/* ---- ヘッダー ---- */
.app-head { display: flex; align-items: center; gap: 22px; height: 56px; padding: 0 20px; border-bottom: 1px solid var(--line); flex-shrink: 0; background: var(--bg); }
.app-head .wordmark small { font-size: 12px; font-weight: 500; color: var(--ink-3); margin-left: 6px; letter-spacing: 0; }
.app-nav { display: flex; gap: 18px; font-size: 14px; }
.app-nav a { text-decoration: none; color: var(--ink-2); padding: 4px 0; }
.app-nav a.on { color: var(--ink); border-bottom: 2px solid var(--accent); }
.app-user { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.app-user .me { display: flex; align-items: center; gap: 8px; text-decoration: none; font-size: 14px; }
.app-user .me img, .app-user .me .ph { width: 30px; height: 30px; border-radius: 50%; background: var(--bg-2); }
.app-user .btn { padding: 6px 14px; font-size: 13px; }

.view { flex: 1; min-height: 0; overflow-y: auto; }
.page { max-width: 1040px; margin: 0 auto; padding: 28px 20px 64px; }
.page-narrow { max-width: 720px; }
.page h1 { font-size: 26px; margin: 0 0 6px; }
.page .sub { color: var(--ink-3); font-size: 14px; margin: 0 0 22px; }

@media (max-width: 640px) {
  .app-head { gap: 14px; padding: 0 14px; }
  .app-head .wordmark small { display: none; }
  .app-nav { gap: 14px; }
  .app-user .me span { display: none; }
  .page { padding: 20px 16px 56px; }
}

/* ---- さがす ---- */
.search-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 18px; }
.search-row input { flex: 1; min-width: 200px; font: inherit; font-size: 15px; color: var(--ink); background: var(--bg-2); border: 1px solid transparent; border-radius: 999px; padding: 9px 16px; }
.search-row input:focus { outline: none; border-color: var(--accent); }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 2px; }
.seg button { border: 0; background: none; padding: 5px 14px; border-radius: 999px; font-size: 13px; cursor: pointer; color: var(--ink-2); }
.seg button.on { background: var(--ink); color: var(--bg); }
.active-tag { font-size: 13px; color: var(--ink-2); margin: -6px 0 16px; }
.active-tag button { border: 0; background: none; color: var(--accent); cursor: pointer; padding: 0 4px; }
.notice { font-size: 13px; color: var(--ink-2); background: var(--bg-2); border-radius: 10px; padding: 10px 14px; margin-bottom: 18px; }
.notice a, .notice button { color: var(--accent); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.card { display: grid; grid-template-columns: 64px 1fr; gap: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 14px; text-decoration: none; background: var(--chat-bg); align-items: start; }
.card:hover { border-color: var(--ink-3); color: inherit; }
.card .av { width: 64px; height: 64px; border-radius: 12px; object-fit: cover; background: var(--bg-2); }
.card .nm { font-weight: 700; font-size: 15px; line-height: 1.4; display: flex; align-items: center; gap: 6px; }
.card .tl { font-size: 13px; color: var(--ink-2); line-height: 1.5; margin: 2px 0 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card .meta { font-size: 11px; color: var(--ink-3); display: flex; flex-wrap: wrap; gap: 4px 8px; }
.badge { font-size: 10px; font-weight: 700; border-radius: 4px; padding: 0 5px; line-height: 1.7; white-space: nowrap; }
.badge.adult { background: var(--accent); color: var(--accent-ink); }
.badge.official { border: 1px solid var(--accent); color: var(--accent); }
.badge.muted { border: 1px solid var(--line); color: var(--ink-3); font-weight: 500; }
.empty { color: var(--ink-3); font-size: 14px; padding: 40px 0; text-align: center; }
.more { display: block; margin: 24px auto 0; }

/* 生成されるアバターのプレースホルダー */
.ph { display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--ink-2); background: var(--bg-2); }

/* ---- キャラ詳細 ---- */
.char-hero { display: grid; grid-template-columns: 180px 1fr; gap: 28px; margin-bottom: 28px; }
.char-hero .av { width: 180px; height: 180px; border-radius: 20px; object-fit: cover; background: var(--bg-2); font-size: 56px; }
.char-hero h1 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.char-hero .by { font-size: 13px; color: var(--ink-3); margin: 0 0 12px; }
.char-hero .actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; align-items: center; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 10px 0 0; list-style: none; }
.tags a { font-size: 12px; border: 1px solid var(--line); border-radius: 999px; padding: 1px 10px; color: var(--ink-2); text-decoration: none; }
.tags a:hover { border-color: var(--accent); color: var(--accent); }
.block { margin-top: 26px; }
.block h2 { font-size: 15px; margin: 0 0 8px; color: var(--ink-2); font-family: var(--sans); }
.block .prewrap { white-space: pre-wrap; font-size: 14px; line-height: 1.85; color: var(--ink); background: var(--bg-2); border-radius: 12px; padding: 14px 16px; margin: 0; }
.link-btn { background: none; border: 0; padding: 0; color: var(--ink-3); font-size: 13px; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.link-btn:hover { color: var(--accent); }
.conv-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.conv-list li a { display: grid; grid-template-columns: 44px 1fr auto; gap: 12px; align-items: center; padding: 12px 4px; border-bottom: 1px solid var(--line); text-decoration: none; }
.conv-list .av { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.conv-list .nm { font-weight: 700; font-size: 14px; }
.conv-list .pv { font-size: 13px; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv-list time { font-size: 12px; color: var(--ink-3); }
@media (max-width: 640px) {
  .char-hero { grid-template-columns: 1fr; gap: 16px; }
  .char-hero .av { width: 120px; height: 120px; font-size: 40px; }
}

/* ---- フォーム ---- */
.form { display: grid; gap: 22px; }
.fld { display: grid; gap: 6px; }
.fld > label, .fld > .lbl { font-weight: 700; font-size: 14px; display: flex; justify-content: space-between; gap: 8px; }
.fld .hint { font-size: 12px; color: var(--ink-3); line-height: 1.6; margin: -2px 0 2px; }
.fld .count { font-weight: 400; font-size: 12px; color: var(--ink-3); }
.fld input[type=text], .fld textarea, .fld select { font: inherit; font-size: 15px; color: var(--ink); background: var(--bg-2); border: 1px solid transparent; border-radius: 10px; padding: 9px 12px; width: 100%; }
.fld textarea { resize: vertical; line-height: 1.7; min-height: 6em; }
.fld input:focus, .fld textarea:focus, .fld select:focus { outline: none; border-color: var(--accent); }
.radio-row { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-row label { display: flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; font-size: 14px; cursor: pointer; font-weight: 400; }
.radio-row label:has(input:checked) { border-color: var(--accent); }
.check { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; font-weight: 400; cursor: pointer; }
.check input { margin-top: 5px; }
.fld > label.check { justify-content: flex-start; font-weight: 400; }
.avatar-edit { display: flex; align-items: center; gap: 16px; }
.avatar-edit .av { width: 96px; height: 96px; border-radius: 16px; object-fit: cover; font-size: 32px; }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding-top: 6px; }
.form-actions .danger { margin-left: auto; color: #c0392b; }
.error-box { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--ink); border-radius: 10px; padding: 10px 14px; font-size: 14px; }
details.adv summary { font-weight: 700; font-size: 14px; cursor: pointer; }
details.adv { border: 0; padding: 0; max-width: none; }
details.adv[open] summary { margin-bottom: 18px; }
details.adv > .form { padding-left: 2px; }

/* ---- 会話 ---- */
.room { display: grid; grid-template-columns: 1fr 300px; height: 100%; }
.room-main { display: flex; flex-direction: column; min-height: 0; min-width: 0; background: var(--chat-bg); }
.room-bar { display: flex; align-items: center; gap: 10px; padding: 8px 16px; border-bottom: 1px solid var(--line); flex-shrink: 0; }
.room-bar .av { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; }
.room-bar a.nm { font-weight: 700; text-decoration: none; }
.room-bar .side-btn { margin-left: auto; display: none; border: 1px solid var(--line); border-radius: 999px; background: none; padding: 3px 12px; font-size: 13px; cursor: pointer; color: var(--ink-2); }
.log { flex: 1; overflow-y: auto; overscroll-behavior: contain; }
.log-inner { max-width: 740px; margin: 0 auto; padding: 24px 20px 12px; }

.turn { margin-bottom: 24px; }
.turn.bot .who { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; margin-bottom: 6px; }
.turn.bot .who .av { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; font-size: 12px; }
.turn .text { font-size: 15px; line-height: 1.85; overflow-wrap: anywhere; }
.turn .text p { margin: 0 0 4px; }
.turn .text .narr { color: var(--chat-sub); font-size: 14px; }
.turn .text em { color: var(--chat-sub); font-style: normal; }
.turn.streaming .text::after { content: "▍"; color: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.turn.note .text { color: var(--ink-3); font-size: 13px; }
.turn.user { display: flex; flex-direction: column; align-items: flex-end; }
.turn.user .text { background: var(--bg-2); border-radius: 16px 16px 4px 16px; padding: 8px 14px; max-width: 85%; }
.turn.user.cont .text { background: none; padding: 0; font-size: 12px; color: var(--ink-3); }
.turn textarea { width: 100%; font: inherit; font-size: 15px; line-height: 1.7; color: var(--ink); background: var(--bg-2); border: 1px solid var(--accent); border-radius: 10px; padding: 8px 12px; resize: vertical; min-height: 5em; }
.turn.user .edit-wrap { width: 85%; }
.acts { display: flex; gap: 14px; margin-top: 6px; font-size: 12px; }
.acts button { color: var(--ink-3); background: none; border: 0; padding: 0; cursor: pointer; }
.acts button:hover { color: var(--accent); }
.turn .acts.hover { opacity: 0; transition: opacity .15s; }
.turn:hover .acts.hover, .turn:focus-within .acts.hover { opacity: 1; }
@media (hover: none) { .turn .acts.hover { opacity: 1; } }

.composer { border-top: 1px solid var(--line); flex-shrink: 0; }
.composer-inner { max-width: 740px; margin: 0 auto; padding: 12px 20px 14px; display: flex; gap: 8px; align-items: flex-end; }
.composer textarea { flex: 1; min-width: 0; resize: none; font: inherit; font-size: 15px; line-height: 1.6; color: var(--ink); background: var(--bg-2); border: 1px solid transparent; border-radius: 14px; padding: 9px 14px; max-height: 40vh; }
.composer textarea:focus { outline: none; border-color: var(--accent); }
.composer .btn { padding: 9px 18px; }
.composer .btn.stop { background: transparent; color: var(--ink); border-color: var(--line); }

.room-side { border-left: 1px solid var(--line); overflow-y: auto; padding: 18px; display: grid; gap: 18px; align-content: start; background: var(--bg); }
.room-side .head { display: flex; gap: 12px; align-items: center; }
.room-side .head .av { width: 56px; height: 56px; border-radius: 14px; object-fit: cover; font-size: 22px; }
.room-side .head b { display: block; }
.room-side .head span { font-size: 12px; color: var(--ink-3); }
.room-side .fld textarea { min-height: 7em; font-size: 14px; }
.room-side .saved { font-size: 12px; color: var(--ink-3); }
.room-side .danger { color: #c0392b; }
.scrim { display: none; }

@media (max-width: 900px) {
  .room { grid-template-columns: 1fr; }
  .room-side { position: fixed; top: 0; right: 0; bottom: 0; width: min(330px, 88vw); z-index: 30; transform: translateX(100%); transition: transform .2s ease; box-shadow: 0 0 40px rgba(0,0,0,.25); }
  .room.side-open .room-side { transform: none; }
  .room.side-open .scrim { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 20; }
  .room-bar .side-btn { display: block; }
  .log-inner { padding: 18px 16px 8px; }
  .composer-inner { padding: 10px 12px 12px; }
  .composer textarea, .fld input[type=text], .fld textarea { font-size: 16px; }
}

/* ---- 管理 ---- */
.report { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px; font-size: 14px; }
.report .row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.report .row .btn { font-size: 12px; padding: 4px 12px; }

/* ---- ダイアログ・トースト ---- */
dialog { border: 1px solid var(--line); border-radius: 16px; background: var(--bg); color: var(--ink); padding: 24px; width: min(440px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0, 0, 0, .55); }
dialog h2 { margin: 0 0 10px; font-size: 19px; }
dialog p { margin: 0 0 16px; color: var(--ink-2); font-size: 14px; }
dialog .row { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }
dialog .fld { margin-bottom: 12px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 9px 18px; border-radius: 999px; font-size: 14px; z-index: 50; max-width: calc(100vw - 32px); }

/* ---- ログイン ---- */
.login { max-width: 400px; }
.login .fld input[type=email], .login .fld input[type=text], .login .fld input[type=password], .form .fld input[type=password] { font: inherit; font-size: 16px; color: var(--ink); background: var(--bg-2); border: 1px solid transparent; border-radius: 10px; padding: 10px 12px; width: 100%; }
.login .fld input:focus { outline: none; border-color: var(--accent); }
.login .form .btn, .login .discord { width: 100%; text-align: center; padding: 11px 18px; }
.login .sent p { margin: 0 0 6px; }
.login .or { display: flex; align-items: center; gap: 12px; color: var(--ink-3); font-size: 13px; margin: 26px 0; }
.login .or::before, .login .or::after { content: ""; flex: 1; border-top: 1px solid var(--line); }
.login .terms { margin-top: 22px; }

/* ---- 管理 ---- */
.admin-tabs { margin: 6px 0 22px; flex-wrap: wrap; }
.seg a { text-decoration: none; padding: 5px 14px; border-radius: 999px; font-size: 13px; color: var(--ink-2); }
.seg a.on { background: var(--ink); color: var(--bg); }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; text-decoration: none; display: grid; }
.stat b { font-size: 26px; line-height: 1.3; }
.stat span { font-size: 12px; color: var(--ink-3); }
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin-table th, .admin-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.admin-table th { font-size: 12px; color: var(--ink-3); font-weight: 500; }
.admin-table .hint { margin: 2px 0 0; }
.acts-cell { white-space: nowrap; }
.acts-cell .link-btn { margin-right: 10px; }
.link-btn.danger { color: #c0392b; }
.captcha { min-height: 0; }
@media (max-width: 760px) {
  .admin-table thead { display: none; }
  .admin-table, .admin-table tbody, .admin-table tr, .admin-table td { display: block; width: 100%; }
  .admin-table tr { border-bottom: 1px solid var(--line); padding: 8px 0; }
  .admin-table td { border: 0; padding: 2px 0; }
  .acts-cell { white-space: normal; }
}

.login-tabs { margin-bottom: 18px; }
.login .switch { margin: 2px 0 0; text-align: center; }