/* 页面骨架：登录、侧栏、顶栏、消息列、空状态与 composer 停靠位 */

/* ---------- 登录 ---------- */
#login { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; padding: 24px; background: var(--bg); z-index: 50; }
.login-card { width: 100%; max-width: 360px; text-align: center; }
.logo-mark {
  width: 44px; height: 44px; margin: 0 auto 16px; border-radius: 12px;
  background: var(--text); color: var(--bg); display: flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 19px;
}
.login-card h1 { margin: 0 0 6px; font-size: 22px; font-weight: 600; letter-spacing: -.01em; }
.login-card p { margin: 0 0 22px; color: var(--text-3); font-size: 13.5px; }
.login-input {
  width: 100%; padding: 12px 14px; border-radius: var(--radius-md); border: 1px solid var(--border-2);
  background: var(--surface); color: var(--text); font: inherit; outline: none;
}
.login-input::placeholder { color: var(--text-3); }
.login-input:focus { border-color: var(--text-3); }
.login-btn {
  width: 100%; margin-top: 12px; padding: 12px; border: 0; border-radius: var(--radius-md);
  background: var(--accent); color: var(--accent-contrast); font-weight: 600;
}
.login-btn:hover { filter: brightness(.92); }
.login-btn:disabled { opacity: .5; }
.login-err { color: var(--danger); font-size: 13px; min-height: 19px; margin-top: 8px; }
.login-home { display: inline-block; margin-top: 10px; color: var(--text-3); font-size: 13px; text-decoration: none; }
.login-home:hover { color: var(--interactive); }

/* ---------- 侧栏 ---------- */
#app { display: none; height: 100%; }
#sidebar {
  position: fixed; inset: 0 auto 0 0; width: 268px; z-index: 20; display: flex; flex-direction: column;
  background: var(--sidebar); border-right: 1px solid var(--border);
  transform: translateX(-100%); transition: transform .2s cubic-bezier(.2,.8,.2,1);
}
#sidebar.open { transform: none; }
body.collapsed #sidebar { transform: translateX(-100%); }
body.collapsed main { margin-left: 0 !important; }
#backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.25); z-index: 15; }
#backdrop.on { display: block; }
.side-top { padding: 12px 10px 6px; }
.brand { display: flex; align-items: center; gap: 9px; padding: 6px 8px 10px; font-weight: 600; font-size: 14.5px; }
.brand .logo-mark { width: 26px; height: 26px; font-size: 12px; border-radius: 8px; margin: 0; }
.side-actions { padding: 2px 10px 6px; display: flex; flex-direction: column; gap: 6px; }
.side-empty { padding: 10px 14px; font-size: 12.5px; color: var(--text-3); }
.side-search {
  display: flex; align-items: center; gap: 8px; height: 36px; padding: 0 10px; cursor: text;
  background: var(--control-bg); border: 1px solid transparent; border-radius: 10px; color: var(--text-3);
  transition: background .12s, border-color .12s, color .12s, box-shadow .12s;
}
.side-search:hover { background: var(--control-hover); }
.side-search:focus-within {
  background: var(--surface); border-color: var(--border-control); color: var(--text-2);
  box-shadow: 0 0 0 3px var(--interactive-soft);
}
.side-search .search-input {
  flex: 1; min-width: 0; border: 0; outline: none; background: none; color: var(--text);
  font: inherit; font-size: 13.5px; padding: 0;
}
.side-search .search-input::placeholder { color: var(--text-3); }
.search-clear {
  display: flex; align-items: center; justify-content: center; width: 20px; height: 20px;
  border: 0; border-radius: 6px; background: none; color: var(--text-3); padding: 0;
}
.search-clear:hover { background: var(--control-active); color: var(--text); }
.nav-item {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 10px;
  background: none; border: 0; border-radius: var(--radius-sm); font-size: 14px;
  color: var(--text); text-align: left;
}
.nav-item:hover { background: var(--surface-active); }
.side-title {
  padding: 10px 20px 4px; font-size: 11.5px; color: var(--text-3); font-weight: 600;
  letter-spacing: .03em;
}
.conv-list { flex: 1; overflow-y: auto; padding: 0 10px 8px; }
.conv-item {
  display: flex; align-items: center; gap: 8px; width: 100%; padding: 8px 10px; border: 0;
  background: none; border-radius: var(--radius-sm); font-size: 13.5px; color: var(--text-2);
  text-align: left;
}
.conv-item:hover { background: var(--surface-active); color: var(--text); }
.conv-item.active { background: var(--surface-active); color: var(--text); font-weight: 500; }
.conv-item .conv-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv-item .conv-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--link); flex: none; }
.conv-item .conv-acts { display: none; align-items: center; gap: 2px; }
.conv-item:hover .conv-acts { display: flex; }
.conv-act {
  display: flex; align-items: center; justify-content: center; width: 22px; height: 22px;
  border: 0; border-radius: 6px; background: none; color: var(--text-3); padding: 0;
}
.conv-act:hover { background: var(--surface-hover); color: var(--text); }
.conv-act .i { width: 13px; height: 13px; }
.side-foot { padding: 10px; border-top: 1px solid var(--border); position: relative; }
.userbtn {
  display: flex; align-items: center; gap: 9px; width: 100%; padding: 8px 8px;
  background: none; border: 0; border-radius: var(--radius-sm); font-size: 13.5px; text-align: left;
}
.userbtn:hover { background: var(--control-active); }
.userbtn .uname { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-menu { left: 10px; right: 10px; bottom: calc(100% + 4px); }
.userrow { display: flex; align-items: center; gap: 9px; padding: 8px 8px 6px; font-size: 13.5px; }
.avatar {
  width: 26px; height: 26px; border-radius: 50%; flex: none; display: flex; align-items: center;
  justify-content: center; font-size: 12px; font-weight: 600; background: var(--surface-active); color: var(--text-2);
}
.userrow .uname { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge { font-size: 11px; color: var(--text-3); }
.badge.admin { color: var(--ok); }

/* ---------- 顶栏 / 主区 ---------- */
main { display: flex; flex-direction: column; height: 100%; }
header {
  display: flex; align-items: center; gap: 8px; padding: 10px 16px; position: sticky; top: 0; z-index: 5;
  background: var(--header-bg); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border);
}
.title { font-weight: 600; font-size: 14.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.icon-btn {
  display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; padding: 0;
  background: none; border: 0; border-radius: var(--radius-sm); color: var(--text-2);
}
.icon-btn:hover { background: var(--surface-active); color: var(--text); }

#list { flex: 1; overflow-y: auto; overscroll-behavior: contain; }
#listInner { width: min(100% - 32px, var(--col)); margin-inline: auto; padding: 12px 0 24px; }
#loadolder {
  display: block; margin: 4px auto 12px; padding: 6px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: none; color: var(--text-2); font-size: 12.5px;
}
#loadolder:hover { background: var(--surface-hover); }

/* ---------- 空状态 + composer 停靠 ---------- */
.empty { text-align: center; }
.empty h2 { margin: 12vh 0 26px; font-size: 28px; font-weight: 600; letter-spacing: -.02em; }
.suggests { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 18px; }
.suggests button {
  padding: 8px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
  color: var(--text-2); font-size: 13.5px;
}
.suggests button:hover { background: var(--surface-hover); color: var(--text); }
#emptySlot { width: 100%; margin: 0 auto; }
#bottomSlot { padding: 0 16px calc(12px + env(safe-area-inset-bottom)); }

#tobottom {
  position: absolute; left: 50%; transform: translateX(-50%); bottom: 112px; width: 34px; height: 34px;
  display: none; align-items: center; justify-content: center; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-2); z-index: 6;
  box-shadow: var(--shadow-popover);
}
#tobottom.on { display: flex; }

#connbar {
  position: fixed; top: 10px; left: 50%; transform: translateX(-50%); z-index: 65;
  padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
  font-size: 12.5px; color: var(--text-2); box-shadow: var(--shadow-popover);
}

#drop { position: fixed; inset: 0; display: none; align-items: center; justify-content: center; background: var(--drop-bg); z-index: 30; }
#drop.on { display: flex; }
.dropcard {
  display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 36px 48px;
  border: 2px dashed var(--border-2); border-radius: var(--radius-lg); background: var(--surface);
  color: var(--text-2); font-size: 14px; box-shadow: var(--shadow-popover);
}
.dropcard .i { width: 24px; height: 24px; }

@media (min-width: 900px) {
  #sidebar { transform: none; }
  main { margin-left: 268px; }
  #menu { display: none; }
  #backdrop { display: none !important; }
}
@media (max-width: 899px) {
  #collapse { display: none; }
  .empty h2 { margin-top: 9vh; font-size: 24px; }
  .tool-btn .label.model { max-width: 26vw; }
  #sidebar { width: min(300px, 86vw); }
}
/* 触屏：把常用点击目标放大一点 */
@media (pointer: coarse) {
  .iconbtn, .icon-btn { min-width: 40px; height: 40px; }
  .tool-btn { padding: 8px 11px; font-size: 14px; }
  .send { width: 38px; height: 38px; }
  .seg-item { padding: 9px 0; }
  .reason { padding: 0 14px 12px; }
  .cmd-item, .po-item { padding-top: 11px; padding-bottom: 11px; }
}

/* Keep the community navigation and identity visible around the Agent workspace. */
.agent-page #app { height: calc(100dvh - var(--shell-height)); }
.agent-page #sidebar { top: var(--shell-height); }
.agent-page #login { top: var(--shell-height); overflow-y: auto; align-items: safe center; }
.agent-page #shell-top { position: relative; z-index: 35; }
.agent-page .tabbar { display: none; }
.agent-page .topbar .nav-item { width: auto; padding: 6px 11px; font-size: 14px; }
.agent-page .topbar .brand { padding: 0; }
.agent-page .passkey-form .input { width: 100%; min-height: 44px; }
.agent-page .login-card { max-width: 420px; padding-block: 24px; }
.agent-page .agent-welcome-mark { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; color: var(--brand); border: 1px solid var(--border); margin: 0 auto 16px; font-size: 24px; font-weight: 700; }
.agent-page .agent-welcome-sub { color: var(--text-2); font-size: 14px; margin: 0 0 24px; }

.conv-open { display: flex; flex-direction: column; align-items: stretch; flex: 1; min-width: 0; background: transparent; color: inherit; border: 0; padding: 6px 0; text-align: left; font: inherit; }
.conv-snippet { display: block; margin-top: 6px; font-size: 12px; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv-menu { position: relative; flex: none; }
.conv-menu summary { cursor: pointer; list-style: none; padding: 8px; min-width: 32px; text-align: center; }
.conv-menu summary::-webkit-details-marker { display: none; }
.conv-menu-actions { position: absolute; top: 100%; right: 0; z-index: 30; min-width: 130px; padding: 6px; border: 1px solid var(--border); background: var(--surface); border-radius: 10px; box-shadow: var(--shadow-popover); }
.conv-menu-actions button { display: block; width: 100%; padding: 10px; text-align: left; border: 0; border-radius: 6px; background: none; color: var(--text); }
.conv-menu-actions button:hover { background: var(--surface-hover); }
.side-archive-toggle { border: 0; background: none; color: var(--text-2); padding: 8px 16px; text-align: left; }
.send-recovery { padding: 12px; font-size: 13px; border-bottom: 1px solid var(--border); }
.send-recovery button { display: block; margin-top: 8px; }
.run-events { margin: 12px 0; border: 1px solid var(--border); border-radius: 10px; padding: 12px; font-size: 13px; color: var(--text-2); }
.run-events summary { cursor: pointer; }
.run-event-list p { overflow-wrap: anywhere; }
#stop[hidden] { display: none; }
@media(max-width: 600px) { .agent-page #shell-top { display: none; } .agent-page #app { height: 100%; } .agent-page #sidebar, .agent-page #login { top: 0; } .agent-page header { min-height: 56px; } }

.capability-list { padding: 8px 12px; font-size: 12px; color: var(--text-2); max-height: 220px; overflow-y: auto; }
.capability-list p { overflow-wrap: anywhere; margin-block: 8px; }
#tobottom.has-new { width: auto; border-radius: 20px; padding: 6px 12px; gap: 6px; }

.title { min-width: 0; }
@media (hover: none) { .conv-menu summary { min-width: 44px; min-height: 44px; } }

.agent-page { --col: 50rem; }
.agent-page .topbar, .agent-page header { background: var(--surface); backdrop-filter: none; }
.agent-page header { min-height: 64px; }
.agent-page .title { margin: 0; font-size: 15px; font-weight: 600; }
.agent-page .side-top .brand { padding: 16px 12px 12px; font-size: 16px; }
.side-product-note { color: var(--text-2); font-size: 12px; margin-left: auto; font-weight: 400; }
.agent-page .icon-btn { min-width: 40px; height: 40px; }
.agent-page .conv-item { padding-block: 5px; }
.agent-page .conv-open { min-height: 44px; justify-content: center; }
.agent-page .conv-menu summary { min-height: 44px; min-width: 40px; display: grid; place-items: center; }
.agent-page #text { font-size: 16px; }
.agent-page #listInner { padding-block: 24px 32px; }
.agent-page #bottomSlot { padding-top: 8px; }
.agent-page .is-preview { --preview-height: 40px; }
.agent-page.is-preview #app { height: calc(100dvh - var(--shell-height) - 40px); }
.agent-page.is-preview #sidebar { top: calc(var(--shell-height) + 40px); }
@media (max-width: 600px) {
  .agent-page header { min-height: 56px; padding-inline: 8px; }
  .agent-page .icon-btn { min-width: 44px; height: 44px; }
  .agent-page #app { height: 100dvh; }
  .agent-page #sidebar, .agent-page #login { top: 0; }
  .agent-page.is-preview #app { height: calc(100dvh - 40px); }
  .agent-page.is-preview #sidebar { top: 40px; }
  .agent-page #listInner { width: calc(100% - 32px); }
  .agent-page .login-card { padding: 24px 0; }
}