/*
 * Roost 浅蓝主题与极简外壳（2026-11-05）。
 *
 * 在 styles.css 之后加载：只覆盖 token、外壳和房间排版，不动行为。
 * 设计说明见 docs/design/ui-refresh.md。
 */

:root {
  --roost-bg: #f2f8fc;
  --roost-surface: #ffffff;
  --roost-border: #d9e6f0;
  --roost-ink: #15232e;
  --roost-muted: #5f7485;
  --roost-accent: #1f5c86;
  --roost-ok: #4e7d6a;
  --roost-warn: #9a6b2f;
  --roost-danger: #b24a45;

  --roost-leading-body: 1.65;
  --roost-leading-title: 1.3;
  --roost-shadow-sm: 0 1px 2px rgba(21, 35, 46, 0.05);
  --roost-shadow-md: 0 12px 32px rgba(21, 35, 46, 0.1);
  --roost-shadow-lg: 0 24px 64px rgba(21, 35, 46, 0.16);

  --hover: #e8f1f7;
  --hover-surface: #f3f8fc;
  --accent-weak: rgba(47, 124, 175, 0.14);
  --on-accent: #ffffff;
}

html {
  color-scheme: light;
}

body {
  background: var(--roost-bg);
  color: var(--roost-ink);
}

::selection {
  background: #cfe6f5;
  color: var(--roost-ink);
}

/* ---------- 通用控件：白 surface + 冷灰蓝线 ---------- */

.btn {
  border-radius: 10px;
  font-size: 13px;
  height: 36px;
  padding: 0 14px;
}

.btn-primary {
  background: var(--roost-accent);
  border-color: var(--roost-accent);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: #174b70;
  border-color: #174b70;
}

.btn-outline,
.btn-ghost,
.btn-quiet {
  background: transparent;
  border-color: var(--roost-border);
  color: var(--roost-ink);
}

.btn-quiet {
  border-color: transparent;
  color: var(--roost-muted);
}

.btn-ghost:hover:not(:disabled),
.btn-outline:hover:not(:disabled),
.btn-quiet:hover:not(:disabled) {
  background: var(--hover);
}

input,
textarea,
select {
  color: var(--roost-ink);
}

.input,
select,
textarea {
  background: var(--roost-surface);
  border-color: var(--roost-border);
  border-radius: 10px;
}

.input:focus,
select:focus,
textarea:focus {
  border-color: #8fc3e8;
  box-shadow: 0 0 0 3px var(--accent-weak);
}

.field-label,
.field-hint,
.muted {
  color: var(--roost-muted);
}

/* ---------- 房间：没有常驻侧栏，打开就是对话 ---------- */

.room {
  display: flex;
  height: 100dvh;
  background: var(--roost-bg);
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
  width: min(320px, 86vw);
  padding: 16px 12px calc(16px + env(safe-area-inset-bottom));
  background: var(--roost-surface);
  border-right: 1px solid var(--roost-border);
  box-shadow: var(--roost-shadow-md);
  transform: translateX(-104%);
  transition: transform var(--roost-motion-base) var(--roost-easing);
  overflow-y: auto;
}

.room.sidebar-open .sidebar {
  transform: translateX(0);
}

.sidebar-scrim {
  display: block;
  position: fixed;
  inset: 0;
  z-index: 35;
  background: rgba(21, 35, 46, 0.28);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--roost-motion-base) var(--roost-easing);
}

.room.sidebar-open .sidebar-scrim {
  opacity: 1;
  pointer-events: auto;
}

.sidebar-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--roost-ink);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.sidebar-toggle:hover {
  background: var(--hover);
}

.sidebar .brand {
  padding: 4px 10px 16px;
}

.sidebar .brand-tag {
  display: none;
}

/* 抽屉只留：需要你 / 房间 / 管理入口。Bot、低频链接都进设置。 */
#bots-title,
#bot-list,
#bot-list + .nav-add,
.sidebar .nav-muted-link {
  display: none;
}

.sidebar .needs-link {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  min-height: 44px;
  padding: 10px 12px;
}

.sidebar .needs-link:hover {
  background: var(--hover);
}

.sidebar .approvals-link {
  min-height: 44px;
  border-radius: 10px;
}

.sidebar .nav-title {
  margin: 18px 10px 6px;
  padding: 0;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.room-list,
.bot-list {
  gap: 2px;
}

.room-link,
.bot-link {
  min-height: 42px;
  border-radius: 10px;
  padding: 8px 10px;
}

.room-row[aria-current="true"] {
  background: var(--hover);
  border-radius: 10px;
}

.room-row .room-mark {
  display: none;
}

.sidebar .nav-add {
  margin: 4px 0 0;
}

.sidebar .nav-add a {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 0 10px;
  border-radius: 10px;
  color: var(--roost-muted);
}

.sidebar .nav-add a:hover {
  background: var(--hover);
  color: var(--roost-ink);
}

.drawer-manage {
  margin-top: 16px;
  padding-top: 8px;
  border-top: 1px solid var(--roost-border);
}

.drawer-link {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 0 10px;
  border-radius: 10px;
  color: var(--roost-muted);
  font-size: 13px;
  text-decoration: none;
}

.drawer-link:hover {
  background: var(--hover);
  color: var(--roost-ink);
}

.sidebar-foot {
  border-top-color: var(--roost-border);
  padding: 12px 10px 0;
}

/* 主列 */

.main:focus,
.page-main:focus {
  outline: none;
}

.main {
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.room-head {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 56px;
  padding: 0 12px;
  gap: 4px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--roost-border);
}

.room-head-main {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.room-head-title {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.room-name {
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.room-origin {
  color: var(--roost-muted);
  font-size: 11px;
}

.room-settings-link {
  color: var(--roost-muted);
  font-size: 12px;
  text-decoration: none;
}

.head-right {
  gap: 8px;
}

.head-right .head-link,
.head-right .needs-btn-sm,
.demo-strip {
  display: none;
}

.working {
  font-size: 12px;
  color: var(--roost-muted);
  gap: 6px;
}

.working .dot {
  width: 6px;
  height: 6px;
  background: #2f7caf;
}

.round-status {
  width: 100%;
  max-width: 820px;
  margin: 10px auto 0;
  padding: 0 20px;
  gap: 8px;
  font-size: 12px;
  color: var(--roost-muted);
}

.round-state {
  font-size: 11px;
  color: var(--roost-muted);
}

.round-chip {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--roost-muted);
  font-size: 12px;
}

.round-name {
  color: var(--roost-ink);
  font-weight: 550;
}

.round-chip.round-active,
.round-chip.round-ok,
.round-chip.round-warn,
.round-chip.round-danger {
  background: transparent;
}

.round-active .round-label,
.round-ok .round-label,
.round-warn .round-label,
.round-danger .round-label {
  color: var(--roost-muted);
}

/* 消息流 */

.messages {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: 24px 20px 12px;
  gap: 22px;
}

.messages > :first-child {
  margin-top: auto;
}

.msg {
  max-width: 100%;
}

.msg-user {
  display: flex;
  justify-content: flex-end;
}

.msg-user .bubble-user {
  max-width: min(70ch, 80%);
  padding: 10px 14px;
  background: #e1eff9;
  color: #1b2c38;
  border: 0;
  border-radius: 14px 14px 4px 14px;
  font-size: 14px;
  line-height: 1.65;
}

.msg-bot {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.msg-head {
  gap: 8px;
  font-size: 13px;
}

.msg-name {
  font-weight: 650;
}

.msg-role {
  font-size: 12px;
  color: var(--roost-muted);
}

.bubble-bot {
  margin-left: 0;
  max-width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--roost-ink);
  font-size: 14px;
  line-height: 1.7;
}

.msg-tool {
  margin: 4px 0 0;
}

.tool-toggle {
  border: 1px solid var(--roost-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.65);
  color: var(--roost-muted);
  padding: 5px 9px;
}

.msg-peer.is-open {
  background: rgba(255, 255, 255, 0.6);
  border-color: var(--roost-border);
}

.peer-toggle {
  min-height: 40px;
}

.peer-name {
  font-weight: 600;
}

/* composer：一个白色圆角容器，发送是深蓝小按钮 */

.composer {
  border-top: 1px solid var(--roost-border);
  padding: 12px 16px calc(14px + env(safe-area-inset-bottom));
  background: var(--roost-bg);
}

.composer textarea {
  width: 100%;
  max-width: 820px;
  max-height: 40vh;
  margin: 0 auto;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: 14px;
  font-size: 16px;
  line-height: 1.5;
  background: var(--roost-surface);
}

.composer textarea:focus {
  border-color: #8fc3e8;
  box-shadow: 0 0 0 3px var(--accent-weak);
}

.composer-foot {
  width: 100%;
  max-width: 820px;
  margin: 6px auto 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.composer .who-row {
  display: none;
}

.composer-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin: 0;
}

.composer-hint {
  display: none;
}

#send {
  height: 32px;
  padding: 0 12px;
  border-radius: 9px;
  font-size: 12px;
  border-color: var(--roost-accent);
}

#send kbd {
  display: none;
}

/* 需要你：右侧白色抽屉 */

.needs {
  width: min(420px, 100%);
  background: var(--roost-surface);
  border-left: 1px solid var(--roost-border);
  box-shadow: var(--roost-shadow-lg);
}

/* ---------- 配对 / 登录 ---------- */

.pair-card,
.auth-card {
  background: var(--roost-surface);
  border: 1px solid var(--roost-border);
  border-radius: 18px;
  box-shadow: var(--roost-shadow-md);
}

.code-digit {
  background: var(--roost-bg);
  border: 1px solid var(--roost-border);
  border-radius: 10px;
  color: var(--roost-ink);
}

.code-digit:focus {
  border-color: #8fc3e8;
  box-shadow: 0 0 0 3px var(--accent-weak);
}

/* ---------- 设置页 / 管理页 ---------- */

.page {
  background: var(--roost-bg);
}

.page-head {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 56px;
  padding: 0 20px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--roost-border);
}

.page-nav {
  display: none;
}

.page-settings-link {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 12px;
  border: 1px solid var(--roost-border);
  border-radius: 9px;
  color: var(--roost-muted);
  font-size: 12px;
  text-decoration: none;
}

.page-settings-link:hover {
  background: var(--hover);
  color: var(--roost-ink);
}

.brand-link {
  font-size: 0;
  text-decoration: none;
}

.brand-link::before {
  content: "← 房间";
  font-size: 14px;
  font-weight: 600;
  color: var(--roost-ink);
}

.page-main {
  max-width: 960px;
  padding: 28px 20px 64px;
}

.page-title {
  font-size: 26px;
  letter-spacing: -0.025em;
  font-weight: 700;
}

.page-subtitle,
.section-desc,
.page-note {
  color: var(--roost-muted);
}

.page-note {
  width: min(960px, calc(100% - 40px));
  background: var(--roost-surface);
  border-left: 2px solid #2f7caf;
}

.page-card,
.panel,
.card {
  background: var(--roost-surface);
  border: 1px solid var(--roost-border);
  border-radius: 14px;
  box-shadow: none;
}

.form-section {
  border-top: 1px solid var(--roost-border);
}

.section-title {
  font-size: 15px;
  font-weight: 650;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
textarea,
select,
.input {
  background: var(--roost-surface);
  color: var(--roost-ink);
  border: 1px solid var(--roost-border);
}

input::placeholder,
textarea::placeholder {
  color: #8fa3b2;
}

/* 表格：只在表头和行之间用一条线 */

table {
  border-color: var(--roost-border);
}

th {
  color: var(--roost-muted);
  font-weight: 550;
  background: transparent;
}

td,
th {
  border-bottom: 1px solid var(--roost-border);
}

/* 代码块 / 预格式化 */

pre,
code {
  color: var(--roost-ink);
}

pre {
  background: var(--roost-surface);
  border: 1px solid var(--roost-border);
  border-radius: 10px;
}

/* 徽章：从彩色 pill 收敛成小号文字 + 细线 */

.badge {
  background: transparent;
  border: 1px solid var(--roost-border);
  color: var(--roost-muted);
  font-weight: 500;
}

.badge.ok {
  color: var(--roost-ok);
  border-color: #cfe0d6;
}

.badge.warn {
  color: var(--roost-warn);
  border-color: #eadcc4;
}

/* 滚动条尽量安静 */

* {
  scrollbar-color: #c6d9e6 transparent;
  scrollbar-width: thin;
}

/* ---------- 移动端 ---------- */

@media (max-width: 720px) {
  .room-head {
    height: 52px;
    padding: 0 8px;
  }

  .sidebar-toggle {
    width: 44px;
    height: 44px;
  }

  .room-name {
    font-size: 14px;
  }

  .room-flock {
    width: 28px;
    height: 28px;
  }

  .working {
    display: none;
  }

  .round-status {
    margin-top: 8px;
    padding: 0 14px;
  }

  .messages {
    padding: 16px 14px 10px;
    gap: 18px;
  }

  .msg-user .bubble-user {
    max-width: 86%;
    font-size: 14px;
  }

  .bubble-bot {
    font-size: 14px;
  }

  .composer {
    padding: 10px 12px calc(12px + env(safe-area-inset-bottom));
  }

  .composer textarea {
    min-height: 46px;
    font-size: 16px;
  }

  .composer-foot {
    margin-top: 4px;
  }

  #send {
    height: 44px;
    min-width: 52px;
  }

  .page-head {
    height: 52px;
    padding: 0 12px;
  }

  .page-main {
    padding: 20px 14px calc(48px + env(safe-area-inset-bottom));
  }

  .page-title {
    font-size: 22px;
  }

  .needs {
    width: 100%;
  }
}

@media (max-width: 390px) {
  .room-name {
    max-width: 42vw;
  }

  .room-flock {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sidebar,
  .sidebar-scrim {
    transition: none;
  }
}

/* 正在思考的 Bot：头像呼吸 + 状态区三点跳动（GrokBot 式反馈）。 */
.avatar[data-bot-id] {
  position: relative;
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.avatar.is-thinking {
  animation: roost-avatar-pulse 1.35s ease-in-out infinite;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.16);
  z-index: 1;
}

.avatar.is-thinking svg {
  animation: roost-avatar-tilt 2.1s ease-in-out infinite;
  transform-origin: 50% 60%;
}

@keyframes roost-avatar-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12); }
  50% { transform: scale(1.06); box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2); }
}

@keyframes roost-avatar-tilt {
  0%, 100% { transform: rotate(-1.5deg) translateY(0); }
  50% { transform: rotate(1.5deg) translateY(-1px); }
}

.working .thinking-dots {
  display: none;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}

.working.is-thinking .thinking-dots {
  display: inline-flex;
}

.working.is-thinking .dot {
  animation: breathe 1.2s var(--easing) infinite;
}

.thinking-dots i {
  display: block;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  animation: roost-thinking-dot 1.05s ease-in-out infinite;
}

.thinking-dots i:nth-child(2) { animation-delay: 0.14s; }
.thinking-dots i:nth-child(3) { animation-delay: 0.28s; }

@keyframes roost-thinking-dot {
  0%, 60%, 100% { opacity: 0.25; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

@media (prefers-reduced-motion: reduce) {
  .avatar.is-thinking,
  .avatar.is-thinking svg,
  .thinking-dots i { animation: none; }
}