:root {
  --bg: #141312;
  --surface: #1b1a18;
  --surface-2: #22201d;
  --surface-3: #2a2723;
  --text: #f1ede4;
  --muted: #9d958a;
  --dim: #665f57;
  --line: rgba(241, 237, 228, 0.1);
  --line-strong: rgba(241, 237, 228, 0.18);
  --accent: #ed7958;
  --accent-soft: #f0b1a0;
  --accent-wash: rgba(237, 121, 88, 0.14);
  --green: #a8c597;
  --yellow: #d8b674;
  --display: "Cormorant Garamond", Georgia, serif;
  --body: "DM Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --fast: 160ms;
  --base: 320ms;
  --slow: 640ms;
}

* { box-sizing: border-box; }
html { background: var(--bg); color: var(--text); }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); font-family: var(--body); font-size: 14px; line-height: 1.6; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 250px minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; border-right: 1px solid var(--line); background: #171614; padding: 28px 18px 18px; }
.brand-lockup { display: flex; align-items: center; gap: 11px; padding: 0 10px 37px; }
.brand-mark { width: 25px; height: 25px; display: flex; align-items: flex-end; gap: 3px; }
.brand-mark span { width: 5px; border-radius: 3px 3px 1px 1px; background: var(--accent); transform-origin: bottom; }
.brand-mark span:nth-child(1) { height: 12px; opacity: .66; }
.brand-mark span:nth-child(2) { height: 22px; }
.brand-mark span:nth-child(3) { height: 16px; opacity: .8; }
.brand-mark.small { transform: scale(.78); transform-origin: left center; width: 20px; }
.brand-name { font-family: var(--display); font-weight: 600; font-size: 25px; line-height: 1; letter-spacing: .02em; }
.brand-caption { margin-top: 3px; color: var(--dim); font-size: 10px; letter-spacing: .08em; }
.sidebar-section-label { display: flex; justify-content: space-between; align-items: center; padding: 0 10px 9px; color: var(--dim); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; }
.primary-nav { display: grid; gap: 3px; }
.nav-item, .dock-item { border: 0; cursor: pointer; background: transparent; }
.nav-item { width: 100%; display: flex; align-items: center; gap: 12px; min-height: 43px; padding: 0 11px; border-radius: var(--radius-sm); color: var(--muted); text-align: left; transition: background var(--fast) ease, color var(--fast) ease; }
.nav-item:hover, .nav-item.active { background: var(--accent-wash); color: var(--text); }
.nav-item.active { box-shadow: inset 2px 0 0 var(--accent); }
.nav-glyph { width: 18px; color: var(--accent-soft); font-size: 18px; line-height: 1; text-align: center; }
.nav-count { margin-left: auto; min-width: 20px; color: var(--accent); font-family: var(--mono); font-size: 11px; }
.conversation-label { margin-top: 34px; }
.icon-button { min-width: 44px; min-height: 44px; display: inline-grid; place-items: center; border: 1px solid transparent; border-radius: 50%; background: transparent; cursor: pointer; color: var(--muted); font-size: 20px; transition: background var(--fast) ease, color var(--fast) ease, border-color var(--fast) ease; }
.icon-button:hover { border-color: var(--line-strong); color: var(--text); background: var(--surface-3); }
.icon-button.tiny { min-width: 22px; min-height: 22px; font-size: 17px; border-radius: 5px; }
.conversation-list { display: grid; gap: 2px; overflow: auto; }
.conversation-state { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 7px; padding: 9px 10px; color: var(--dim); font-size: 10px; line-height: 1.5; }
.conversation-state.error { color: #e5a28d; }
.conversation-entry { display: grid; grid-template-columns: minmax(0, 1fr) 30px; align-items: center; gap: 2px; }
.conversation-entry:hover, .conversation-entry:focus-within { background: var(--surface-2); }
.conversation-item { min-width: 0; display: grid; grid-template-columns: 31px minmax(0, 1fr) auto; align-items: center; gap: 9px; min-height: 51px; padding: 6px 9px; border: 0; border-radius: var(--radius-sm); background: transparent; cursor: pointer; text-align: left; }
.conversation-item:hover, .conversation-item.active { background: var(--surface-2); }
.conversation-menu-button { width: 28px; height: 32px; border: 0; border-radius: 4px; background: transparent; color: var(--dim); cursor: pointer; font-size: 16px; line-height: 1; opacity: 0; }
.conversation-entry:hover .conversation-menu-button, .conversation-entry:focus-within .conversation-menu-button { opacity: 1; }
.conversation-menu-button:hover { background: var(--surface-3); color: var(--text); }
@media (hover: none) { .conversation-menu-button { opacity: 1; } }
.conversation-copy { min-width: 0; }
.conversation-copy strong, .conversation-copy small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conversation-copy strong { color: var(--text); font-size: 12px; font-weight: 500; }
.conversation-copy small { margin-top: 1px; color: var(--dim); font-size: 10px; }
.conversation-time { align-self: start; padding-top: 3px; color: var(--dim); font-family: var(--mono); font-size: 9px; }
.sidebar-footer { margin-top: auto; }
.connection-status { display: flex; align-items: center; gap: 7px; padding: 12px 10px; border-top: 1px solid var(--line); color: var(--dim); font-size: 10px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(168, 197, 151, .08); }
.profile-chip { width: 100%; display: grid; grid-template-columns: 30px minmax(0, 1fr) 14px; align-items: center; gap: 9px; padding: 9px 8px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: transparent; cursor: pointer; text-align: left; }
.profile-chip:hover { background: var(--surface-2); border-color: var(--line-strong); }
.profile-chip strong, .profile-chip small { display: block; }
.profile-chip strong { font-size: 12px; font-weight: 500; }
.profile-chip small { color: var(--dim); font-size: 10px; }
.chevron { color: var(--dim); font-size: 21px; }
.avatar { display: inline-grid; flex: 0 0 auto; place-items: center; width: 34px; height: 34px; border-radius: 10px; font-family: var(--display); font-size: 19px; font-weight: 600; }
.avatar-user { background: #514540; color: #e8c5b4; }
.avatar-lin { background: #c39888; color: #312520; }
.avatar-xia { background: #c6a169; color: #372b1b; }
.avatar-qiu { background: #87949c; color: #1c2529; }
.avatar-yan { background: #a995ac; color: #302738; }
.avatar-group { background: var(--surface-3); color: var(--accent-soft); border: 1px solid var(--line-strong); }
.main-stage { min-width: 0; background: var(--bg); }
.topbar { height: 76px; display: flex; align-items: center; justify-content: space-between; padding: 0 5vw; border-bottom: 1px solid var(--line); }
.breadcrumb { display: flex; align-items: center; gap: 11px; color: var(--muted); font-size: 12px; }
.breadcrumb strong { color: var(--text); font-weight: 500; }
.slash { color: var(--dim); }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.text-button { min-height: 38px; padding: 0 16px; border: 1px solid var(--line-strong); border-radius: 6px; background: transparent; cursor: pointer; color: var(--muted); font-size: 12px; transition: all var(--fast) ease; }
.text-button:hover { border-color: var(--accent); color: var(--text); background: var(--accent-wash); }
.mobile-brand, .mobile-menu-button { display: none; }
.content-view { max-width: 1250px; min-height: calc(100vh - 76px); margin: 0 auto; padding: 54px 5vw 90px; }

/* Common blocks */
.eyebrow { color: var(--accent); font-family: var(--mono); font-size: 10px; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3, p { margin: 0; }
h1 { font-family: var(--display); font-size: clamp(42px, 6vw, 76px); font-weight: 500; letter-spacing: -.035em; line-height: .92; }
h2 { font-family: var(--display); font-size: 34px; font-weight: 500; letter-spacing: -.02em; line-height: 1; }
h3 { font-size: 14px; font-weight: 500; }
.page-intro { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 37px; }
.page-intro p { max-width: 340px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.page-intro .eyebrow { margin-bottom: 12px; }
.action-button { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; padding: 0 16px; border: 0; border-radius: 6px; background: var(--accent); color: #241611; cursor: pointer; font-size: 12px; font-weight: 600; transition: transform var(--fast) ease, background var(--fast) ease; }
.action-button:hover { background: #f38c6b; transform: translateY(-2px); }
.action-button.secondary { border: 1px solid var(--line-strong); background: transparent; color: var(--text); }
.action-button.secondary:hover { background: var(--surface-3); }
.section-rule { display: flex; align-items: center; gap: 14px; margin: 32px 0 16px; color: var(--dim); font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.section-rule::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.avatar-stack { display: flex; align-items: center; }
.avatar-stack .avatar { margin-left: -7px; border: 2px solid var(--bg); }
.avatar-stack .avatar:first-child { margin-left: 0; }
.empty-state { display: grid; place-items: center; min-height: 220px; border: 1px dashed var(--line-strong); color: var(--muted); text-align: center; }
.empty-state strong { display: block; color: var(--text); font-size: 14px; font-weight: 500; }
.empty-state p { margin-top: 5px; font-size: 12px; }

/* Inbox */
.inbox-grid { display: grid; grid-template-columns: minmax(0, 1fr) 285px; gap: 54px; }
.welcome-strip { position: relative; min-height: 162px; display: flex; align-items: end; padding: 28px 31px; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(105deg, #24201d 0%, #1b1917 64%, #241c1a 100%); }
.welcome-strip::after { content: ""; position: absolute; width: 190px; height: 190px; right: -26px; top: -74px; border: 1px solid rgba(237, 121, 88, .35); border-radius: 50%; box-shadow: 0 0 0 26px rgba(237, 121, 88, .04), 0 0 0 52px rgba(237, 121, 88, .035); }
.welcome-strip h2 { max-width: 410px; font-size: 38px; line-height: .98; }
.welcome-strip h2 em { color: var(--accent-soft); font-style: normal; }
.welcome-strip p { margin-top: 12px; color: var(--muted); font-size: 12px; }
.chat-preview-list { display: grid; gap: 8px; }
.chat-preview { display: grid; grid-template-columns: 42px minmax(0, 1fr) auto; align-items: center; gap: 13px; min-height: 77px; padding: 11px 13px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; transition: border-color var(--fast) ease, transform var(--fast) ease; }
.chat-preview:hover { border-color: var(--line-strong); transform: translateX(3px); }
.chat-preview.is-new { border-left: 2px solid var(--accent); }
.chat-preview-copy { min-width: 0; }
.chat-preview-copy strong { display: flex; gap: 8px; align-items: center; font-size: 13px; font-weight: 500; }
.chat-preview-copy p { margin-top: 4px; overflow: hidden; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.chat-preview-meta { align-self: start; color: var(--dim); font-family: var(--mono); font-size: 9px; }
.unread-mark { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.side-rail { border-left: 1px solid var(--line); padding-left: 25px; }
.side-rail-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 17px; }
.side-rail-heading h3 { color: var(--muted); font-size: 11px; letter-spacing: .09em; text-transform: uppercase; }
.link-button { border: 0; background: transparent; color: var(--accent-soft); cursor: pointer; font-size: 11px; }
.link-button:hover { color: var(--accent); }
.mini-character-list { display: grid; gap: 2px; }
.mini-character { display: grid; grid-template-columns: 34px minmax(0, 1fr) auto; align-items: center; gap: 9px; padding: 9px 0; cursor: pointer; }
.mini-character + .mini-character { border-top: 1px solid var(--line); }
.mini-character-copy strong, .mini-character-copy small { display: block; }
.mini-character-copy strong { font-size: 12px; font-weight: 500; }
.mini-character-copy small { margin-top: 2px; color: var(--dim); font-size: 10px; }
.mini-character .arrow { color: var(--dim); font-size: 18px; }
.activity-note { margin-top: 34px; padding-top: 16px; border-top: 1px solid var(--line); }
.activity-note p { color: var(--muted); font-size: 11px; line-height: 1.7; }
.activity-note strong { color: var(--text); font-weight: 500; }

/* Character library */
.character-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.character-card { position: relative; min-height: 282px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; border: 1px solid var(--line); background: var(--surface); cursor: pointer; transition: transform var(--base) var(--ease), border-color var(--fast) ease; }
.character-card:hover { transform: translateY(-5px); border-color: rgba(237, 121, 88, .5); }
.character-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 126px; background: linear-gradient(140deg, rgba(237, 121, 88, .12), transparent 75%); pointer-events: none; }
.character-card-top { position: relative; display: flex; justify-content: space-between; padding: 22px 21px 0; }
.character-card-avatar { width: 62px; height: 62px; display: grid; place-items: center; border-radius: 17px; border: 1px solid rgba(241, 237, 228, .16); font-family: var(--display); font-size: 34px; font-weight: 600; }
.card-kebab { border: 0; background: transparent; color: var(--dim); cursor: pointer; font-size: 20px; }
.card-kebab:hover { color: var(--text); }
.character-card-body { position: relative; padding: 0 21px; }
.character-card-body h3 { font-family: var(--display); font-size: 28px; font-weight: 600; }
.character-card-body p { margin-top: 6px; color: var(--muted); font-size: 11px; }
.character-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 15px; }
.tag { padding: 3px 7px; border: 1px solid var(--line-strong); color: var(--muted); font-size: 9px; }
.character-card-footer { display: flex; justify-content: space-between; align-items: center; padding: 17px 21px; border-top: 1px solid var(--line); color: var(--dim); font-size: 10px; }
.character-card-footer span:last-child { color: var(--accent-soft); }
.new-character-card { display: grid; place-items: center; min-height: 282px; border: 1px dashed var(--line-strong); background: transparent; cursor: pointer; color: var(--muted); transition: all var(--fast) ease; }
.new-character-card:hover { border-color: var(--accent); color: var(--text); background: var(--accent-wash); }
.new-character-card .new-icon { margin-bottom: 8px; color: var(--accent); font-family: var(--display); font-size: 48px; line-height: .7; }
.new-character-card strong { display: block; font-size: 13px; font-weight: 500; }
.new-character-card small { display: block; margin-top: 4px; font-size: 10px; }

/* Chat */
.chat-layout { display: grid; grid-template-columns: minmax(0, 1fr) 250px; min-height: calc(100vh - 180px); border: 1px solid var(--line); background: #181715; }
.chat-panel { min-width: 0; display: flex; flex-direction: column; }
.chat-head { display: flex; align-items: center; gap: 12px; padding: 21px 25px; border-bottom: 1px solid var(--line); }
.chat-head-copy { min-width: 0; flex: 1; }
.chat-head-copy strong { display: block; font-family: var(--display); font-size: 25px; font-weight: 600; line-height: 1; }
.chat-head-copy small { display: block; margin-top: 5px; color: var(--muted); font-size: 10px; }
.online-label { display: flex; align-items: center; gap: 5px; color: var(--green); font-family: var(--mono); font-size: 9px; }
.online-label .status-dot { width: 5px; height: 5px; }
.chat-stream { display: flex; flex: 1; flex-direction: column; gap: 22px; padding: 29px 25px; overflow: auto; }
.date-divider { display: flex; align-items: center; gap: 12px; color: var(--dim); font-family: var(--mono); font-size: 9px; }
.date-divider::before, .date-divider::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.message-row { display: flex; gap: 11px; max-width: 680px; animation: message-in var(--base) var(--ease) both; }
.message-row.user { align-self: flex-end; flex-direction: row-reverse; }
.message-row.user .message-content { align-items: flex-end; }
.message-content { display: flex; flex-direction: column; align-items: flex-start; gap: 5px; }
.message-meta { color: var(--dim); font-family: var(--mono); font-size: 9px; }
.message-bubble { max-width: min(560px, 72vw); padding: 11px 14px; border: 1px solid var(--line); background: var(--surface-2); color: var(--text); font-size: 13px; line-height: 1.75; }
.message-row.ai .message-bubble { border-left: 2px solid var(--accent); }
.message-row.user .message-bubble { border-color: rgba(237, 121, 88, .3); background: var(--accent-wash); }
.message-bubble p + p { margin-top: 8px; }
.streaming-bubble { position: relative; }
.streaming-bubble::after { content: ''; display: inline-block; width: 6px; height: 14px; margin-left: 3px; vertical-align: -2px; background: var(--accent-soft); animation: stream-caret 1s steps(2, start) infinite; }
@keyframes stream-caret { 0%, 50% { opacity: .85; } 50.01%, 100% { opacity: 0; } }
.stream-notice { margin: 0 25px 12px; padding: 8px 11px; border: 1px solid var(--line); background: var(--surface-2); color: var(--muted); font-size: 11px; }
.stream-notice.error { border-color: rgba(214, 106, 84, .45); color: var(--accent-soft); }
.composer-tool.stop { color: var(--accent-soft); }
.composer-tool.stop:hover { color: var(--text); }
.message-version { margin-left: 7px; padding: 1px 5px; border: 1px solid var(--line-strong); color: var(--muted); font-size: 9px; letter-spacing: .04em; }
.message-row.ai .message-bubble + .message-actions { margin-top: 6px; }
.message-actions { display: flex; gap: 5px; opacity: 0; transition: opacity var(--fast) ease; }
.message-row:hover .message-actions { opacity: 1; }
.micro-button { min-height: 25px; padding: 0 7px; border: 1px solid var(--line); background: transparent; color: var(--dim); cursor: pointer; font-size: 10px; }
.micro-button:hover { color: var(--text); background: var(--surface-3); }
.chat-composer { padding: 15px 20px 20px; border-top: 1px solid var(--line); }
.composer-tools { display: flex; align-items: center; gap: 4px; margin-bottom: 8px; }
.composer-tool { min-height: 27px; padding: 0 8px; border: 0; background: transparent; color: var(--dim); cursor: pointer; font-size: 11px; }
.composer-tool:hover { color: var(--accent-soft); }
.composer-box { display: flex; align-items: end; gap: 9px; padding: 10px 10px 10px 14px; border: 1px solid var(--line-strong); background: var(--surface); }
.composer-box:focus-within { border-color: var(--accent); }
.composer-box textarea { flex: 1; min-height: 42px; max-height: 120px; resize: none; border: 0; outline: 0; background: transparent; color: var(--text); font-size: 13px; line-height: 1.6; }
.composer-box textarea::placeholder { color: var(--dim); }
.send-button { width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--accent); color: #241611; cursor: pointer; font-size: 18px; transition: transform var(--fast) ease; }
.send-button:hover { transform: translateY(-2px) rotate(-8deg); }
.chat-aside { padding: 25px 21px; border-left: 1px solid var(--line); }
.chat-aside h3 { color: var(--muted); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }
.character-profile-large { margin-top: 17px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.character-profile-large .avatar { width: 57px; height: 57px; font-size: 31px; }
.character-profile-large strong { display: block; margin-top: 12px; font-family: var(--display); font-size: 28px; font-weight: 600; }
.character-profile-large p { margin-top: 5px; color: var(--muted); font-size: 11px; line-height: 1.7; }
.profile-fact { display: flex; justify-content: space-between; gap: 8px; padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--dim); font-size: 10px; }
.profile-fact strong { color: var(--text); font-weight: 500; text-align: right; }

/* Group */
.group-head { display: flex; align-items: center; gap: 13px; margin-bottom: 28px; }
.group-head-copy { flex: 1; }
.group-head-copy .eyebrow { margin-bottom: 7px; }
.group-head-copy h2 { font-size: 34px; }
.group-head-copy p { margin-top: 7px; color: var(--muted); font-size: 12px; }
.group-controls { display: flex; gap: 6px; }
.group-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 17px; }
.group-chat { min-height: 600px; border: 1px solid var(--line); background: #181715; }
.group-chat .chat-stream { min-height: 455px; }
.group-bar { display: flex; align-items: center; gap: 11px; padding: 13px 17px; border-top: 1px solid var(--line); }
.group-bar small { color: var(--muted); font-size: 10px; }
.group-sidebar { border-left: 1px solid var(--line); padding-left: 22px; }
.group-sidebar h3 { margin-bottom: 14px; color: var(--muted); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }
.member-row { display: flex; align-items: center; gap: 9px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.member-row .member-copy { flex: 1; }
.member-row strong, .member-row small { display: block; }
.member-row strong { font-size: 12px; font-weight: 500; }
.member-row small { margin-top: 2px; color: var(--dim); font-size: 10px; }
.member-row em { color: var(--accent-soft); font-size: 10px; font-style: normal; }
.group-rule { margin: 24px 0 12px; color: var(--dim); font-family: var(--mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.mode-selector { display: grid; gap: 5px; }
.mode-option { display: flex; align-items: center; gap: 8px; padding: 9px; border: 1px solid var(--line); color: var(--muted); cursor: pointer; font-size: 10px; }
.mode-option.active { border-color: var(--accent); background: var(--accent-wash); color: var(--text); }
.mode-option input { accent-color: var(--accent); }

/* Gallery & settings */
.gallery-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.art-tile { position: relative; aspect-ratio: 1; display: flex; flex-direction: column; justify-content: end; padding: 13px; overflow: hidden; border: 1px solid var(--line); background: var(--surface-3); cursor: pointer; }
.art-tile::before { content: ""; position: absolute; inset: 0; opacity: .9; background: radial-gradient(circle at 30% 24%, #bd8678 0 7%, transparent 8%), radial-gradient(ellipse at 68% 30%, #66575a 0 20%, transparent 21%), linear-gradient(140deg, #363032, #1b1919 65%, #392522); }
.art-tile:nth-child(2)::before { background: radial-gradient(ellipse at 42% 40%, #c7a76c 0 17%, transparent 18%), linear-gradient(130deg, #3f392b, #1f1a17 55%, #61463a); }
.art-tile:nth-child(3)::before { background: radial-gradient(ellipse at 70% 32%, #839ca0 0 18%, transparent 19%), linear-gradient(150deg, #24343b, #151b20 64%, #475557); }
.art-tile:nth-child(4)::before { background: radial-gradient(circle at 38% 48%, #aa889d 0 16%, transparent 17%), linear-gradient(125deg, #453447, #171619 66%, #8d5c66); }
.art-tile::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 45%, rgba(15, 13, 12, .75)); }
.art-tile > * { position: relative; z-index: 1; }
.art-tile strong { font-size: 11px; font-weight: 500; }
.art-tile small { margin-top: 2px; color: #d1c7bb; font-size: 9px; }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.settings-block { border: 1px solid var(--line); background: var(--surface); }
.settings-block-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.settings-block-header h3 { font-family: var(--display); font-size: 23px; font-weight: 600; }
.settings-block-header span { color: var(--green); font-family: var(--mono); font-size: 9px; }
.settings-form { display: grid; gap: 14px; padding: 20px; }
.form-field { display: grid; gap: 6px; }
.form-field label { color: var(--muted); font-size: 10px; }
.form-field input, .form-field textarea, .form-field select { width: 100%; padding: 10px 11px; border: 1px solid var(--line-strong); outline: 0; background: var(--bg); color: var(--text); font-size: 12px; }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: var(--accent); }
.settings-note { color: var(--dim); font-size: 10px; line-height: 1.6; }
.setting-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; padding-top: 5px; }

/* Image studio */
.image-page-intro { align-items: end; }
.model-badge { display: inline-flex; margin-top: 17px; padding: 7px 9px; border: 1px solid rgba(237, 121, 88, .34); background: var(--accent-wash); color: var(--accent-soft); font-family: var(--mono); font-size: 9px; letter-spacing: .05em; }
.image-studio-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(250px, .75fr); gap: 12px; }
.image-prompt-panel { border: 1px solid var(--line-strong); background: var(--surface); }
.panel-kicker { display: flex; align-items: center; justify-content: space-between; padding: 15px 20px; border-bottom: 1px solid var(--line); color: var(--accent-soft); font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.connection-label { display: inline-flex; align-items: center; gap: 6px; color: var(--green); font-size: 9px; letter-spacing: .03em; text-transform: none; }
.connection-label .status-dot { width: 5px; height: 5px; }
.image-form { display: grid; gap: 15px; padding: 21px 20px 20px; }
.prompt-field textarea { min-height: 153px; resize: vertical; line-height: 1.75; }
.image-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.image-confirm-note { display: flex; align-items: start; gap: 10px; padding: 11px 12px; border-left: 2px solid var(--green); background: rgba(168, 197, 151, .07); }
.confirm-icon { display: grid; flex: 0 0 auto; width: 18px; height: 18px; place-items: center; border: 1px solid rgba(168, 197, 151, .6); border-radius: 50%; color: var(--green); font-size: 11px; }
.image-confirm-note p { color: var(--muted); font-size: 10px; line-height: 1.6; }
.image-confirm-note strong { color: var(--text); font-weight: 500; }
.image-generate-button { justify-content: center; width: 100%; margin-top: 2px; }
.image-guide { position: relative; min-height: 100%; overflow: hidden; padding: 29px 26px 24px; border: 1px solid var(--line); background: #201c1a; }
.image-guide::after { content: ""; position: absolute; right: -65px; bottom: -85px; width: 220px; height: 220px; border: 1px solid rgba(237, 121, 88, .3); border-radius: 50%; box-shadow: 0 0 0 21px rgba(237, 121, 88, .04), 0 0 0 42px rgba(237, 121, 88, .035); pointer-events: none; }
.image-guide-orbit { position: relative; width: 92px; height: 92px; margin: 0 0 31px auto; border: 1px solid rgba(237, 121, 88, .36); border-radius: 50%; }
.image-guide-orbit::before { content: ""; position: absolute; inset: 13px; border: 1px dashed rgba(240, 177, 160, .33); border-radius: 50%; }
.orbit-core { position: absolute; inset: 0; display: grid; place-items: center; color: var(--accent-soft); font-size: 24px; }
.orbit-dot { position: absolute; top: 3px; right: 17px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.image-guide h2 { position: relative; z-index: 1; margin-top: 10px; font-size: 37px; }
.image-guide h2 em { color: var(--accent-soft); font-style: normal; }
.image-guide > p { position: relative; z-index: 1; max-width: 255px; margin-top: 16px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.image-guide-rule { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 15px; margin-top: 25px; padding-top: 10px; border-top: 1px solid var(--line); color: var(--dim); font-family: var(--mono); font-size: 9px; }
.image-guide-rule + .image-guide-rule { margin-top: 10px; }
.image-guide-rule strong { color: var(--text); font-family: var(--body); font-size: 10px; font-weight: 500; text-align: right; }
.image-results-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.image-result-card { overflow: hidden; border: 1px solid var(--line); background: var(--surface); }
.image-result-art { position: relative; aspect-ratio: 1; display: grid; place-items: center; overflow: hidden; background: var(--surface-3); }
.image-result-art::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 29% 27%, rgba(235, 170, 146, .7) 0 7%, transparent 8%), radial-gradient(ellipse at 70% 32%, rgba(104, 86, 87, .9) 0 21%, transparent 22%), linear-gradient(140deg, #403638, #1b1919 65%, #4a2c28); }
.image-result-art.art-variant-1::before { background: radial-gradient(ellipse at 42% 40%, #c7a76c 0 17%, transparent 18%), linear-gradient(130deg, #4b402f, #1f1a17 55%, #68463a); }
.image-result-art.art-variant-2::before { background: radial-gradient(ellipse at 70% 32%, #839ca0 0 18%, transparent 19%), linear-gradient(150deg, #26383c, #151b20 64%, #475557); }
.image-result-art.art-variant-3::before { background: radial-gradient(circle at 38% 48%, #aa889d 0 16%, transparent 17%), linear-gradient(125deg, #453447, #171619 66%, #8d5c66); }
.image-result-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, transparent 45%, rgba(15, 13, 12, .5)); }
.image-result-mark, .image-loading { position: relative; z-index: 1; color: rgba(241, 237, 228, .7); font-family: var(--display); font-size: 31px; }
.image-loading { padding: 7px 9px; border: 1px solid rgba(241, 237, 228, .28); background: rgba(20, 19, 18, .58); font-family: var(--mono); font-size: 10px; }
.image-result-copy { display: flex; justify-content: space-between; gap: 8px; padding: 11px 12px; }
.image-result-copy strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; font-weight: 500; }
.image-result-copy small { color: var(--dim); font-size: 9px; white-space: nowrap; }
.image-result-card.is-generating .image-result-art::before { animation: image-pulse 1.2s ease-in-out infinite alternate; }
@keyframes image-pulse { from { opacity: .55; transform: scale(1); } to { opacity: 1; transform: scale(1.05); } }

/* Modal */
.modal-layer { position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; padding: 18px; background: rgba(7, 6, 5, .76); }
.modal-layer[hidden] { display: none; }
.modal { width: min(620px, 100%); max-height: min(760px, 92vh); overflow: auto; border: 1px solid var(--line-strong); background: #1c1a18; box-shadow: 0 24px 64px rgba(0,0,0,.4); animation: modal-in var(--base) var(--ease) both; }
.modal-header { display: flex; align-items: start; justify-content: space-between; gap: 20px; padding: 25px 26px 18px; border-bottom: 1px solid var(--line); }
.modal-header h2 { font-size: 30px; }
.modal-header p { margin-top: 5px; color: var(--muted); font-size: 11px; }
.modal-body { display: grid; gap: 16px; padding: 23px 26px 26px; }
.modal-section { display: grid; grid-template-columns: 125px minmax(0, 1fr); gap: 17px; }
.modal-section > label { padding-top: 10px; color: var(--muted); font-size: 11px; }
.modal-section textarea { min-height: 76px; resize: vertical; }
.modal-footer { display: flex; justify-content: flex-end; gap: 8px; padding-top: 3px; }

@keyframes message-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes modal-in { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }
@media (max-width: 1080px) { .inbox-grid, .chat-layout, .group-layout { grid-template-columns: minmax(0, 1fr); } .side-rail, .chat-aside, .group-sidebar { display: none; } .character-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 720px) {
  .app-shell { display: block; }
  .sidebar { position: fixed; z-index: 15; inset: 0 auto 0 0; width: min(290px, 85vw); transform: translateX(-101%); transition: transform var(--base) var(--ease); box-shadow: 20px 0 60px rgba(0,0,0,.35); }
  .app-shell.menu-open .sidebar { transform: none; }
  .main-stage { min-height: 100vh; padding-bottom: 72px; }
  .topbar { height: 64px; padding: 0 17px; }
  .mobile-brand { display: flex; align-items: center; gap: 2px; font-family: var(--display); font-size: 24px; font-weight: 600; }
  .breadcrumb { display: none; }
  .mobile-menu-button { display: inline-grid; }
  .topbar-actions .text-button { display: none; }
  .content-view { min-height: calc(100vh - 64px); padding: 33px 17px 48px; }
  .mobile-dock { position: fixed; z-index: 10; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); height: 67px; border-top: 1px solid var(--line); background: rgba(23, 22, 20, .96); }
  .dock-item { display: grid; place-content: center; gap: 1px; color: var(--dim); }
  .dock-item span { font-size: 19px; line-height: 1; }
  .dock-item small { font-size: 9px; }
  .dock-item.active { color: var(--accent-soft); }
  .page-intro { display: block; margin-bottom: 29px; }
  .page-intro p { margin-top: 17px; }
  .page-intro .action-button { margin-top: 19px; }
  .welcome-strip { min-height: 182px; padding: 23px; }
  .welcome-strip h2 { max-width: 270px; font-size: 34px; }
  .character-grid { grid-template-columns: 1fr; }
  .character-card, .new-character-card { min-height: 245px; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .settings-grid { grid-template-columns: 1fr; }
  .chat-layout { min-height: calc(100vh - 130px); margin: -10px -17px -48px; border-right: 0; border-left: 0; }
  .image-studio-grid { grid-template-columns: 1fr; }
  .image-guide { min-height: 320px; padding: 23px; }
  .image-guide-orbit { width: 70px; height: 70px; margin-bottom: 18px; }
  .image-guide h2 { font-size: 32px; }
  .image-results-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .image-result-copy { display: block; }
  .image-result-copy small { display: block; margin-top: 3px; }
  .image-form-row { gap: 8px; }
  .panel-kicker { padding: 13px 15px; }
  .image-form { padding: 17px 15px; }
  .image-page-intro .model-badge { margin-top: 13px; }

  .chat-head { padding: 18px 17px; }
  .chat-stream { padding: 24px 17px; }
  .chat-composer { padding: 13px 13px 18px; }
  .message-bubble { max-width: 78vw; }
  .group-head { align-items: start; }
  .group-head .action-button { display: none; }
  .modal-section { grid-template-columns: 1fr; gap: 7px; }
}
@media (min-width: 721px) { .mobile-dock { display: none; } }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* 记忆：来源提示与管理面板 */
.memory-sources { margin: 0 0 8px; padding: 7px 10px; border: 1px solid var(--line); background: var(--surface-2); font-size: 11px; }
.memory-source-toggle { padding: 0; border: 0; background: transparent; color: var(--accent-soft); cursor: pointer; font-size: 11px; }
.memory-source-toggle:hover { color: var(--text); }
.memory-source-empty { color: var(--dim); }
.memory-source-list { margin: 7px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 5px; }
.memory-source-list li, .memory-source-summary li { display: flex; gap: 7px; align-items: baseline; color: var(--muted); font-size: 11px; line-height: 1.6; }
.memory-source-scope { flex: none; padding: 1px 5px; border: 1px solid var(--line-strong); color: var(--dim); font-size: 9px; }
.memory-budget-note { margin: 6px 0 0; color: var(--accent-soft); font-size: 10px; line-height: 1.6; }
.memory-modal-body { display: grid; grid-template-columns: 1.35fr 1fr; gap: 18px; align-items: start; }
.memory-panel { padding: 14px; border: 1px solid var(--line); background: var(--surface-2); }
.memory-panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 11px; }
.memory-panel-head h3 { color: var(--muted); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }
.memory-count { color: var(--dim); font-size: 10px; }
.memory-list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 9px; max-height: 340px; overflow: auto; }
.memory-row { padding: 10px 11px; border: 1px solid var(--line); background: var(--surface); }
.memory-row.is-disabled { opacity: .55; }
.memory-row-main { display: flex; flex-direction: column; gap: 6px; }
.memory-content { margin: 0; color: var(--text); font-size: 12px; line-height: 1.7; }
.memory-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; color: var(--dim); font-size: 10px; }
.memory-scope-tag { padding: 1px 5px; border: 1px solid var(--line-strong); }
.memory-scope-tag[data-scope="global"] { color: var(--accent-soft); }
.memory-row-actions { display: flex; gap: 5px; margin-top: 9px; }
.micro-button.danger { color: var(--accent-soft); }
.memory-source-summary { margin-top: 13px; padding-top: 11px; border-top: 1px solid var(--line); }
.memory-source-summary strong { display: block; margin-bottom: 7px; color: var(--muted); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.memory-source-summary ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 5px; }
.memory-source-summary p { margin: 0; color: var(--dim); font-size: 11px; }
.memory-form { display: flex; flex-direction: column; gap: 11px; }
.memory-enabled-toggle { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 11px; }
@media (max-width: 900px) { .memory-modal-body { grid-template-columns: 1fr; } }

/* 图片：真实任务卡片与相册 */
.image-task-card { display: flex; flex-direction: column; }
.image-task-card .image-result-photo { width: 100%; height: 100%; object-fit: cover; display: block; }
.image-task-status { display: inline-block; margin-bottom: 6px; padding: 1px 6px; border: 1px solid var(--line-strong); color: var(--muted); font-size: 9px; letter-spacing: .06em; }
.image-task-status[data-status="completed"] { color: var(--green); border-color: rgba(168, 197, 151, .5); }
.image-task-status[data-status="failed"] { color: var(--accent-soft); border-color: rgba(214, 106, 84, .5); }
.image-task-status[data-status="generating"], .image-task-status[data-status="queued"] { color: var(--accent-soft); }
.image-task-detail { margin: 6px 0 0; color: var(--dim); font-size: 10px; line-height: 1.6; }
.image-task-actions { display: flex; gap: 6px; margin-top: 9px; }
.image-task-actions .micro-button { text-decoration: none; display: inline-flex; align-items: center; }
.model-badge.is-off { color: var(--accent-soft); border-color: rgba(214, 106, 84, .45); }
.gallery-tile { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.gallery-tile img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.gallery-tile-copy { display: flex; flex-direction: column; gap: 5px; padding: 11px 13px; }
.gallery-tile-copy strong { font-size: 12px; }
.gallery-tile-copy small { color: var(--dim); font-size: 10px; }
.gallery-tile-copy p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.6; }
.gallery-tile-copy .micro-button { align-self: flex-start; margin-top: 4px; text-decoration: none; }

/* 图片与对话：相册分组、详情、失败重试与对话内图片卡片 */
.gallery-group { margin-bottom: 26px; }
.gallery-tile-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 5px; }
.gallery-tile-actions .micro-button { text-decoration: none; }
.gallery-tile.is-missing { border-style: dashed; border-color: rgba(214, 106, 84, .45); }
.gallery-tile-missing { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; width: 100%; aspect-ratio: 4 / 3; padding: 14px; text-align: center; }
.gallery-tile-missing strong { font-size: 12px; }
.gallery-tile-missing small { color: var(--accent-soft); font-size: 10px; line-height: 1.6; }
.gallery-warning { margin-top: 14px; padding: 11px 13px; border: 1px solid rgba(214, 106, 84, .4); color: var(--accent-soft); font-size: 11px; line-height: 1.7; }
.image-failed-list { display: flex; flex-direction: column; gap: 8px; }
.image-failed-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 13px; border: 1px solid rgba(214, 106, 84, .35); background: var(--surface); }
.image-failed-row > div { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.image-failed-row strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; font-weight: 500; }
.image-failed-row small { color: var(--accent-soft); font-size: 10px; line-height: 1.6; }
.image-failed-row .micro-button { flex: none; }
.image-task-missing { margin: 6px 0 0; padding: 6px 8px; border-left: 2px solid rgba(214, 106, 84, .55); color: var(--accent-soft); font-size: 10px; line-height: 1.6; }
.image-detail-card { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); max-width: 880px; overflow: hidden; border: 1px solid var(--line-strong); background: #1c1a18; box-shadow: 0 24px 64px rgba(0,0,0,.4); }
.image-detail-preview { width: 100%; height: 100%; min-height: 260px; object-fit: cover; display: block; }
.image-detail-preview.is-missing { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 26px; text-align: center; background: var(--surface-3); }
.image-detail-preview.is-missing strong { font-size: 13px; }
.image-detail-preview.is-missing p { max-width: 320px; margin: 0; color: var(--dim); font-size: 11px; line-height: 1.7; }
.image-detail-body { display: flex; flex-direction: column; gap: 14px; padding: 18px 20px; min-width: 0; }
.image-detail-fields { display: flex; flex-direction: column; gap: 0; overflow: auto; }
.image-detail-field { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.image-detail-field span { color: var(--dim); font-size: 10px; letter-spacing: .06em; white-space: nowrap; }
.image-detail-field strong { color: var(--muted); font-size: 11px; font-weight: 500; text-align: right; overflow-wrap: anywhere; }
.image-detail-field.is-prompt strong { text-align: left; line-height: 1.7; }
.image-detail-field.is-missing strong { color: var(--accent-soft); }
.image-detail-body .setting-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.image-message { margin: 0; overflow: hidden; border: 1px solid var(--line); background: var(--surface-2); }
.image-message img { width: 100%; max-width: 320px; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.image-message figcaption { padding: 8px 10px; color: var(--muted); font-size: 10px; line-height: 1.6; }
.image-message-missing { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; width: 100%; max-width: 320px; aspect-ratio: 4 / 3; padding: 18px; text-align: center; background: var(--surface-3); }
.image-message-missing strong { font-size: 12px; }
.image-message-missing p { max-width: 240px; margin: 0; color: var(--dim); font-size: 10px; line-height: 1.7; }
.image-message + .message-actions { margin-top: 6px; }

@media (max-width: 760px) {
  .image-detail-card { grid-template-columns: 1fr; }
  .image-detail-preview { min-height: 200px; max-height: 260px; }
  .image-message img, .image-message-missing { max-width: 100%; }
}

/* 角色：版本历史、头像与归档态 */
.character-card-photo { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; display: block; }
.character-card.is-archived { opacity: .62; }
.character-archived-tag { margin-left: 7px; padding: 1px 5px; border: 1px solid var(--line-strong); color: var(--dim); font-size: 9px; vertical-align: middle; }
.version-panel { margin-top: 16px; padding: 13px 14px; border: 1px solid var(--line); background: var(--surface-2); }
.version-panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.version-panel-head h3 { color: var(--muted); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }
.version-list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; max-height: 240px; overflow: auto; }
.version-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; padding: 9px 10px; border: 1px solid var(--line); background: var(--surface); }
.version-row-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.version-row-main strong { font-size: 11px; }
.version-row-main small { color: var(--muted); font-size: 10px; line-height: 1.6; }
.version-row-main .version-note { color: var(--dim); }
.version-row .micro-button { flex: none; }
.character-extra-actions { display: flex; gap: 8px; margin-top: 12px; }

/* 触摸设备：把仅靠 hover 暴露的小按钮放大到可点尺寸。
   桌面端保持紧凑的视觉，移动端保证 44px 左右的点击区。 */
@media (hover: none), (pointer: coarse) {
  .icon-button.tiny { min-width: 40px; min-height: 40px; }
  .conversation-menu-button { width: 40px; height: 40px; }
  .micro-button { min-height: 38px; padding: 0 12px; font-size: 11px; }
  .card-kebab { min-width: 40px; min-height: 40px; }
  .composer-tool { min-height: 38px; padding: 0 10px; }
  /* 触摸端没有 hover：行内操作常驻显示 */
  .message-actions { opacity: 1; }
  .character-card:hover, .character-card:focus-within { border-color: var(--line-strong); }
  /* 图片相关的新按钮同样需要触摸友好的尺寸 */
  .gallery-tile-actions .micro-button,
  .image-task-actions .micro-button,
  .image-failed-row .micro-button { min-height: 38px; padding: 0 12px; }
  .image-detail-body .setting-actions .action-button { min-height: 40px; }
}

/* ==========================================================================
   登录 / 首次初始化界面
   整页遮罩：未登录时不暴露任何后台数据，避免在锁屏或分享屏幕时泄露。
   ========================================================================== */

.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: 24px;
  /* 不完全透明：能看出背后是同一个应用，但不暴露内容。 */
  background: linear-gradient(180deg, rgba(20, 19, 18, 0.96), rgba(20, 19, 18, 0.99));
  backdrop-filter: blur(6px);
}

.auth-gate[hidden] { display: none; }

.auth-panel {
  width: min(420px, 100%);
  padding: 32px 28px 26px;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

.auth-brand { justify-content: flex-start; margin-bottom: 22px; }

.auth-form { display: grid; gap: 14px; }

.auth-field { display: grid; gap: 6px; }

.auth-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.auth-input {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: var(--surface-2);
  color: var(--text);
  /* 16px 是关键：iOS Safari 下小于 16px 会在聚焦时自动放大页面。 */
  font-size: 16px;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.auth-input::placeholder { color: var(--dim); }

.auth-input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface-3);
}

.auth-error {
  font-size: 12px;
  color: var(--accent-soft);
}

.auth-error[hidden] { display: none; }

.auth-error-block {
  padding: 9px 12px;
  border-radius: 9px;
  /* 与普通提示区分：这是需要用户处理的失败。 */
  background: var(--accent-wash);
}

.auth-notice {
  margin: 0;
  padding: 9px 12px;
  border-radius: 9px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  background: rgba(241, 237, 228, 0.05);
}

.auth-notice[hidden] { display: none; }

.auth-submit {
  min-height: 48px;
  margin-top: 4px;
  border: 0;
  border-radius: 11px;
  background: var(--accent);
  color: #1a1512;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s ease;
}

.auth-submit:hover:not(:disabled) { filter: brightness(1.06); }
.auth-submit:disabled { opacity: 0.6; cursor: progress; }

.auth-footnote {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--dim);
}

.auth-footnote[hidden] { display: none; }

/* 触摸设备：输入框与按钮都要够大，否则很难点中。 */
@media (hover: none), (pointer: coarse) {
  .auth-input { min-height: 48px; }
  .auth-submit { min-height: 52px; }
}

/* 未登录时锁住后台：即使遮罩被绕过，也不该看到上一次的会话内容。 */
body.auth-locked .app-shell { filter: blur(6px); pointer-events: none; user-select: none; }