/* 灵感速记 —— 聊天流布局，干净、克制、有余白 */

[hidden] { display: none !important; }

:root {
  --bg: #f7f6f3;
  --surface: #ffffff;
  --surface-2: #fbfaf8;
  --border: #e7e4de;
  --border-soft: #efede8;
  --text: #1c1b19;
  --text-2: #55524d;
  --muted: #918c85;
  --accent: #1c1b19;
  --accent-text: #f7f6f3;
  --bubble: #ffffff;
  --hover: #f2f0ec;
  --danger: #b3402f;
  --shadow-sm: 0 1px 2px rgba(28, 27, 25, .04), 0 4px 14px rgba(28, 27, 25, .045);
  --shadow-md: 0 4px 12px rgba(28, 27, 25, .07), 0 18px 44px rgba(28, 27, 25, .10);
  --radius: 16px;
  --max: 720px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

[data-theme="dark"] {
  --bg: #131312;
  --surface: #1c1b1a;
  --surface-2: #232220;
  --border: #302e2b;
  --border-soft: #272623;
  --text: #f1efec;
  --text-2: #c6c2bc;
  --muted: #8e8981;
  --accent: #f1efec;
  --accent-text: #131312;
  --bubble: #242320;
  --hover: #262523;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 14px rgba(0, 0, 0, .25);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, .35), 0 18px 44px rgba(0, 0, 0, .45);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
  transition: background .3s var(--ease), color .3s var(--ease);
}

kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
  background: var(--surface-2);
}

.dot { opacity: .45; margin: 0 3px; }

/* ---------- 顶栏 ---------- */
.topbar {
  flex: none;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border-soft);
}

.topbar-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand { display: flex; align-items: center; gap: 9px; flex: none; }

.brand-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--text);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--text) 9%, transparent);
}

.brand-name { font-size: 15px; font-weight: 600; letter-spacing: .04em; white-space: nowrap; }

.brand-count { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }

/* 搜索 */
.search {
  flex: 1;
  min-width: 0;
  display: flex; align-items: center; gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 0 11px;
  height: 36px;
  color: var(--muted);
  transition: border-color .18s var(--ease);
}
.search:focus-within { border-color: color-mix(in srgb, var(--text) 22%, var(--border)); }

#search {
  flex: 1; min-width: 0;
  border: 0; outline: 0;
  background: transparent;
  color: var(--text);
  font-family: inherit; font-size: 14px;
}
#search::-webkit-search-cancel-button { display: none; }

.clear-search {
  border: 0; background: transparent;
  color: var(--muted); font-size: 17px; line-height: 1;
  cursor: pointer; padding: 0 2px;
}
.clear-search:hover { color: var(--text); }

/* 菜单 */
.menu-wrap { position: relative; flex: none; }

.icon-btn {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease);
}
.icon-btn:hover { background: var(--hover); color: var(--text); }

.menu {
  position: absolute;
  top: 38px; right: 0;
  min-width: 195px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 13px;
  box-shadow: var(--shadow-md);
  padding: 6px;
  z-index: 60;
  animation: pop .16s var(--ease);
}

@keyframes pop {
  from { opacity: 0; transform: translateY(-4px) scale(.985); }
  to   { opacity: 1; transform: none; }
}

.menu-item {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  padding: 8px 10px;
  border: 0; border-radius: 8px;
  background: transparent;
  color: var(--text-2);
  font-size: 13.5px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}
.menu-item:hover { background: var(--hover); color: var(--text); }

.menu-sep { height: 1px; background: var(--border-soft); margin: 5px 4px; }

.menu-note {
  padding: 7px 10px 4px;
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  letter-spacing: .02em;
}

/* ---------- 标签行 ---------- */
.tagrow {
  flex: none;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: 10px 22px 0;
  display: flex; flex-wrap: wrap; gap: 6px;
}

.chip {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  border-radius: 999px;
  padding: 4px 12px;
  font-family: inherit;
  font-size: 12.5px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}
.chip:hover { background: var(--hover); color: var(--text); }
.chip.is-on { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }

/* ---------- 聊天区 ---------- */
.chat {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}

.chat-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 22px 26px;
  display: flex;
  flex-direction: column;
}

.day-divider {
  text-align: center;
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: .06em;
  margin: 18px 0 12px;
}
.chat-inner .day-divider:first-child { margin-top: 4px; }

.msg {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
  animation: rise .24s var(--ease) both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

.bubble {
  position: relative;
  max-width: 78%;
  background: var(--bubble);
  border: 1px solid var(--border);
  border-radius: 16px 16px 4px 16px;
  padding: 10px 14px 7px;
  box-shadow: var(--shadow-sm);
  cursor: default;
  user-select: text;
  -webkit-user-select: text;
  transition: box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.bubble:hover { box-shadow: var(--shadow-md); }
.bubble.hl { border-color: color-mix(in srgb, var(--text) 30%, var(--border)); }

.bubble-text {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}
.bubble-text mark {
  background: color-mix(in srgb, #d9a441 32%, transparent);
  color: inherit;
  border-radius: 3px;
  padding: 0 1px;
}
.tag { color: var(--muted); font-weight: 500; }

.bubble-time {
  margin-top: 4px;
  text-align: right;
  font-size: 10.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  opacity: .85;
}

/* ---------- 空状态 ---------- */
.empty { text-align: center; padding: 60px 20px 20px; }
.empty-mark {
  width: 46px; height: 46px; margin: 0 auto 18px;
  border-radius: 50%;
  border: 1px dashed var(--border);
}
.empty-title { margin: 0 0 6px; font-size: 15px; color: var(--text-2); font-weight: 500; }
.empty-sub { margin: 0; font-size: 13px; color: var(--muted); }

/* ---------- 底部输入 ---------- */
.composer {
  flex: none;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-top: 1px solid var(--border-soft);
}

.composer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px 22px 0;
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

#input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 15.5px;
  line-height: 1.6;
  padding: 10px 14px;
  outline: 0;
  resize: none;
  max-height: 38vh;
  overflow-y: auto;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
#input::placeholder { color: var(--muted); }
#input:focus {
  border-color: color-mix(in srgb, var(--text) 22%, var(--border));
  box-shadow: var(--shadow-sm);
}

.send-btn {
  flex: none;
  border: 0;
  border-radius: 12px;
  padding: 10px 20px;
  background: var(--accent);
  color: var(--accent-text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .04em;
  cursor: pointer;
  transition: opacity .16s var(--ease), transform .16s var(--ease);
}
.send-btn:hover { opacity: .88; }
.send-btn:active { transform: scale(.97); }

.composer-hint {
  max-width: var(--max);
  margin: 0 auto;
  padding: 6px 22px calc(10px + env(safe-area-inset-bottom));
  font-size: 11.5px;
  color: var(--muted);
}
.composer-hint code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--text-2);
  background: var(--hover);
  padding: 1px 4px; border-radius: 4px;
}

/* ---------- 提示 ---------- */
.toast {
  position: fixed;
  left: 50%; bottom: 96px;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 9px 17px;
  border-radius: 999px;
  font-size: 13px;
  z-index: 90;
  box-shadow: var(--shadow-md);
  animation: toastIn .22s var(--ease);
  pointer-events: none;
}
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* ---------- 右键 / 长按菜单 ---------- */
.ctx {
  position: fixed;
  min-width: 132px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  padding: 5px;
  z-index: 95;
  animation: pop .14s var(--ease);
}

.ctx-item {
  display: flex; align-items: center; gap: 9px;
  width: 100%;
  padding: 8px 10px;
  border: 0; border-radius: 8px;
  background: transparent;
  color: var(--text-2);
  font-size: 13.5px;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
}
.ctx-item:hover { background: var(--hover); color: var(--text); }
.ctx-item.danger { color: var(--danger); }
.ctx-item.danger:hover { background: color-mix(in srgb, var(--danger) 9%, transparent); }

/* ---------- 弹窗 ---------- */
.modal {
  position: fixed; inset: 0;
  background: color-mix(in srgb, #000 34%, transparent);
  display: grid; place-items: center;
  padding: 22px;
  z-index: 80;
  animation: fade .18s var(--ease);
}
@keyframes fade { from { opacity: 0 } to { opacity: 1 } }

.modal-card {
  width: 100%; max-width: 460px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 20px;
  animation: pop .2s var(--ease);
}

.modal-head {
  font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 14px;
}

.modal-body {
  font-size: 15.5px; line-height: 1.8;
  white-space: pre-wrap; word-break: break-word;
  min-height: 24px;
}

#editInput {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-2);
  color: var(--text);
  font-family: inherit; font-size: 15px; line-height: 1.7;
  padding: 12px 13px;
  outline: 0; resize: vertical;
}
#editInput:focus { border-color: color-mix(in srgb, var(--text) 22%, var(--border)); }

.modal-foot {
  display: flex; align-items: center; gap: 8px;
  margin-top: 18px;
}
.spacer { flex: 1; }

.ghost-btn {
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 7px 15px;
  background: transparent;
  color: var(--text-2);
  font-family: inherit;
  font-size: 13.5px;
  cursor: pointer;
  transition: background .16s var(--ease), color .16s var(--ease);
}
.ghost-btn:hover { background: var(--hover); color: var(--text); }
.ghost-btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); }
.ghost-btn.danger:hover { background: color-mix(in srgb, var(--danger) 9%, transparent); }

.save-btn {
  border: 0;
  border-radius: 9px;
  padding: 7px 16px;
  background: var(--accent);
  color: var(--accent-text);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: .02em;
  cursor: pointer;
  transition: opacity .16s var(--ease), transform .16s var(--ease);
}
.save-btn:hover { opacity: .88; }
.save-btn:active { transform: scale(.975); }

/* ---------- 登录页 ---------- */
.login-body {
  display: block;
  overflow: auto;
  height: auto;
  min-height: 100dvh;
}

.login-card {
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  padding: 14vh 22px 40px;
}

.login-brand { display: flex; align-items: center; gap: 9px; justify-content: center; }
.login-title { font-size: 18px; font-weight: 600; letter-spacing: .06em; }

.login-sub {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin: 10px 0 24px;
}

.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
  letter-spacing: .03em;
}

.pwd-wrap { position: relative; }
.pwd-wrap input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  padding: 10px 58px 10px 14px;
  outline: 0;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.pwd-wrap input:focus {
  border-color: color-mix(in srgb, var(--text) 22%, var(--border));
  box-shadow: var(--shadow-sm);
}

.pwd-toggle {
  position: absolute;
  right: 8px; top: 50%;
  transform: translateY(-50%);
  border: 0; background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 12.5px;
  cursor: pointer;
  padding: 4px 6px;
}
.pwd-toggle:hover { color: var(--text); }

.check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--text-2);
  margin: 10px 0;
  cursor: pointer;
  line-height: 1.5;
}
.check input { margin-top: 3px; accent-color: var(--accent); }
.check .warn { color: var(--muted); font-style: normal; font-size: 11.5px; }

.login-err {
  font-size: 13px;
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 8%, transparent);
  border-radius: 9px;
  padding: 8px 12px;
  margin: 12px 0 0;
}

.login-submit {
  width: 100%;
  padding: 11px;
  border-radius: 12px;
  font-size: 14.5px;
  margin-top: 16px;
}
.login-submit:disabled { opacity: .55; cursor: default; }

.login-foot {
  margin-top: 22px;
  text-align: center;
  font-size: 11.5px;
  color: var(--muted);
}
.login-foot code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--hover);
  padding: 1px 4px; border-radius: 4px;
}

/* 修改密码弹窗内的输入 */
.pwd-field { margin-bottom: 12px; }
.pwd-field label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
.pwd-field input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-2);
  color: var(--text);
  font-family: inherit;
  font-size: 14.5px;
  padding: 9px 13px;
  outline: 0;
}
.pwd-field input:focus { border-color: color-mix(in srgb, var(--text) 22%, var(--border)); }

/* ---------- 移动端 ---------- */
@media (max-width: 640px) {
  .topbar-inner { padding: 10px 14px; gap: 10px; }
  .brand-name { display: none; }
  .brand-count { display: none; }
  .tagrow { padding: 8px 14px 0; }
  .chat-inner { padding: 14px 14px 18px; }
  .bubble { max-width: 86%; }
  .composer-inner { padding: 10px 14px 0; }
  .composer-hint { padding: 5px 14px calc(9px + env(safe-area-inset-bottom)); }
  .composer-hint kbd, .composer-hint code { display: none; }
  .composer-hint .dot { display: none; }
  .composer-hint { font-size: 11px; }
}