/* ===== 乐安育见 全局样式：昼夜主题 + 响应式(900/768/480/360) ===== */
:root {
  --bg: #f2f5fa; --card: #ffffff; --text: #1f2d3d; --muted: #7b8794; --border: #e4e9f2;
  --primary: #2f6fed; --primary-weak: #e8f0ff; --danger: #e5484d; --danger-weak: #ffe9e9;
  --ok: #18a058; --ok-weak: #e6f7ef; --warn: #d97706; --warn-weak: #fdf3e3;
  --shadow: 0 2px 12px rgba(31, 45, 61, .07); --radius: 10px; --sidebar-w: 224px;
}
html[data-theme="dark"] {
  --bg: #11151d; --card: #1a2030; --text: #e6ebf4; --muted: #8a94a6; --border: #2a3244;
  --primary: #4c8dff; --primary-weak: #1d2b47; --danger: #f06a6e; --danger-weak: #3a2226;
  --ok: #2fbf75; --ok-weak: #17352a; --warn: #e9a23b; --warn-weak: #372c1c;
  --shadow: 0 2px 12px rgba(0, 0, 0, .35);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body { font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: clamp(13px, 0.65vw + 11px, 15px); -webkit-tap-highlight-color: transparent; }
a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* ===== 布局 ===== */
.layout { min-height: 100vh; }
.sidebar { position: fixed; left: 0; top: 0; bottom: 0; width: var(--sidebar-w); background: var(--card); border-right: 1px solid var(--border); display: flex; flex-direction: column; z-index: 40; transition: transform .25s; }
.sidebar .logo { height: 58px; display: flex; align-items: center; gap: 8px; padding: 0 16px; font-size: 17px; font-weight: 700; color: var(--primary); border-bottom: 1px solid var(--border); flex-shrink: 0; }
.sidebar .menu { flex: 1; overflow-y: auto; padding: 10px 8px; }
.sidebar .menu a { display: block; padding: 11px 14px; margin: 2px 0; border-radius: 8px; color: var(--text); font-size: 14px; }
.sidebar .menu a:hover { background: var(--bg); }
.sidebar .menu a.active { background: var(--primary-weak); color: var(--primary); font-weight: 600; }
.sidebar .side-foot { padding: 10px 14px; border-top: 1px solid var(--border); font-size: 13px; }
/* 分组折叠菜单 */
.sidebar .menu .grp { margin: 2px 0; }
.sidebar .menu .grp-head { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border: none; background: transparent; color: var(--muted); font-size: 12px; font-weight: 600; cursor: pointer; border-radius: 8px; letter-spacing: .5px; }
.sidebar .menu .grp-head:hover { background: var(--bg); }
.sidebar .menu .grp-head .caret { width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid var(--muted); transition: transform .2s; }
.sidebar .menu .grp-body { display: none; padding: 2px 0 6px; }
.sidebar .menu .grp.open .grp-body { display: block; }
.sidebar .menu .grp.open > .grp-head .caret { transform: rotate(180deg); }
.sidebar .menu .grp.open > .grp-head { color: var(--primary); }
.sidebar .menu a.flat { margin: 2px 0; }

.main { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }
.topbar { position: fixed; top: 0; right: 0; left: var(--sidebar-w); height: 58px; background: var(--card); border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; padding: 0 18px; z-index: 30; }
.topbar .pg-title { font-size: 16px; font-weight: 600; flex: 1; }
.main .content { padding: 76px 20px 30px; flex: 1; }
#hamb { display: none; padding: 0 12px; height: 36px; border: 1px solid var(--border); border-radius: 8px; background: none; color: var(--text); font-size: 14px; cursor: pointer; }
.mask { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 39; }
.icon-btn { background: none; border: 1px solid var(--border); border-radius: 8px; padding: 0 12px; height: 36px; cursor: pointer; color: var(--text); font-size: 13px; white-space: nowrap; }

/* 天气小条 + 城市选择器 */
#wbox { display: flex; align-items: center; gap: 6px; }
.w-city { color: var(--text); font-weight: 600; }
.w-val { color: var(--muted); }
.w-btn { border: 1px solid var(--border); background: var(--card); color: var(--primary); border-radius: 6px; padding: 0 8px; height: 26px; font-size: 12px; cursor: pointer; }
.w-btn:hover { background: var(--primary-weak); }
.cs-item { display: block; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 6px; color: var(--text); font-size: 14px; }
.cs-item:hover { border-color: var(--primary); background: var(--primary-weak); color: var(--primary); }

/* ===== 通用组件 ===== */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 16px; }
.card h3 { font-size: 15px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.card h3 .sp { flex: 1; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 16px; border-radius: 8px; border: 1px solid var(--border); background: var(--card); color: var(--text); font-size: 14px; cursor: pointer; min-height: 36px; transition: opacity .15s; }
.btn:hover { opacity: .85; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn-sm { padding: 4px 10px; min-height: 28px; font-size: 13px; border-radius: 6px; }
.btn-block { width: 100%; }
.btn-link { border: none; background: none; color: var(--primary); cursor: pointer; padding: 4px 6px; font-size: 13px; }
.btn-link.danger { color: var(--danger); }
.input, select.input, textarea.input { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--text); font-size: 14px; min-height: 38px; }
.input:focus { outline: 2px solid var(--primary-weak); border-color: var(--primary); }
textarea.input { min-height: 80px; resize: vertical; }
.form-item { margin-bottom: 14px; }
.form-item label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--muted); }
.form-item .req::after { content: " *"; color: var(--danger); }
.tbl-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 640px; }
.tbl th, .tbl td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.tbl th { color: var(--muted); font-weight: 600; background: var(--bg); }
.tbl tr:hover td { background: var(--bg); }
.tag { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; }
.tag-ok { background: var(--ok-weak); color: var(--ok); }
.tag-warn { background: var(--warn-weak); color: var(--warn); }
.tag-danger { background: var(--danger-weak); color: var(--danger); }
.tag-info { background: var(--primary-weak); color: var(--primary); }
.tag-muted { background: var(--bg); color: var(--muted); }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }
.muted { color: var(--muted); font-size: 13px; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; padding: 12px 2px 0; flex-wrap: wrap; }
.pager button { min-width: 34px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 16px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.stat-card .num { font-size: 26px; font-weight: 700; color: var(--primary); }
.stat-card .lbl { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(15, 22, 34, .5); z-index: 100; display: flex; align-items: flex-start; justify-content: center; padding: 6vh 16px; overflow-y: auto; }
.modal { background: var(--card); border-radius: 12px; width: 560px; max-width: 100%; max-height: 88vh; display: flex; flex-direction: column; box-shadow: 0 10px 40px rgba(0,0,0,.25); }
.modal .m-head { padding: 14px 18px; border-bottom: 1px solid var(--border); font-weight: 600; font-size: 15px; display: flex; }
.modal .m-head .m-close { margin-left: auto; border: none; background: none; color: var(--muted); font-size: 14px; cursor: pointer; }
.modal .m-head .m-close:hover { color: var(--danger); }
.modal .m-body { padding: 16px 18px; overflow-y: auto; }
.modal .m-foot { padding: 12px 18px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* Toast / loading */
#toast-box { position: fixed; top: 70px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast { background: rgba(23, 32, 48, .92); color: #fff; padding: 10px 20px; border-radius: 8px; font-size: 14px; animation: fadein .2s; max-width: 86vw; }
.toast.err { background: rgba(200, 50, 55, .95); }
.toast.ok { background: rgba(24, 160, 88, .95); }
@keyframes fadein { from { opacity: 0; transform: translateY(-6px); } }
.loading-mask { position: absolute; inset: 0; background: rgba(255,255,255,.55); display: flex; align-items: center; justify-content: center; z-index: 5; border-radius: inherit; }
html[data-theme="dark"] .loading-mask { background: rgba(0,0,0,.5); }
.spin { width: 26px; height: 26px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: rot .8s linear infinite; }
@keyframes rot { to { transform: rotate(360deg); } }

/* 图片上传 */
.upl-grid { display: flex; gap: 10px; flex-wrap: wrap; }
.upl-item { position: relative; width: 92px; height: 92px; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.upl-item img { width: 100%; height: 100%; object-fit: cover; cursor: zoom-in; }
.upl-item .del { position: absolute; top: 2px; right: 2px; min-width: 22px; height: 22px; padding: 0 4px; border-radius: 11px; background: rgba(0,0,0,.6); color: #fff; border: none; font-size: 11px; cursor: pointer; line-height: 22px; }
.upl-add { width: 92px; height: 92px; border: 1px dashed var(--border); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 26px; color: var(--muted); cursor: pointer; background: var(--bg); position: relative; overflow: hidden; }
.upl-add.busy::after { content: ""; position: absolute; inset: 0; background: rgba(255,255,255,.6) url() center/24px no-repeat; }

/* 首页通用 */
.hero { border-radius: 14px; padding: 26px 24px; background: linear-gradient(135deg, var(--primary), #6c5ce7); color: #fff; margin-bottom: 16px; }
.hero h1 { font-size: 22px; margin-bottom: 6px; }
.hero p { opacity: .92; font-size: 14px; }
.clockline { font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.banner-box { border-radius: 12px; overflow: hidden; position: relative; }
.banner-box img { width: 100%; height: 100%; object-fit: cover; display: block; }
.banner-dots { position: absolute; bottom: 10px; left: 0; right: 0; display: flex; justify-content: center; gap: 6px; }
.banner-dots i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.55); }
.banner-dots i.on { background: #fff; }
.notice-item { padding: 10px 2px; border-bottom: 1px dashed var(--border); display: flex; gap: 8px; align-items: center; }
.notice-item:last-child { border-bottom: none; }
.quote-card { background: var(--primary-weak); color: var(--primary); border-radius: 10px; padding: 14px 16px; font-size: 14px; margin-top: 12px; }
.cd-card { text-align: center; padding: 16px; }
.cd-card .days { font-size: 30px; font-weight: 700; color: var(--danger); }
.cd-card .who { color: var(--muted); margin-top: 4px; }
.msg-item { display: flex; gap: 10px; padding: 12px 6px; border-bottom: 1px solid var(--border); cursor: pointer; }
.msg-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--danger); margin-top: 6px; flex-shrink: 0; }
.msg-item.read .dot { background: var(--border); }
.msg-item .t { font-weight: 600; }
.msg-item .c { color: var(--muted); font-size: 13px; margin-top: 2px; word-break: break-all; }
.msg-item .tm { margin-left: auto; color: var(--muted); font-size: 12px; flex-shrink: 0; }

/* 图片查看器 */
#img-viewer { position: fixed; inset: 0; background: rgba(0,0,0,.85); z-index: 300; display: none; align-items: center; justify-content: center; cursor: zoom-out; }
#img-viewer.show { display: flex; }
#img-viewer img { max-width: 94vw; max-height: 94vh; border-radius: 6px; }

/* 登录/注册页 */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; background: linear-gradient(160deg, #dfe9ff, #f2f5fa); }
html[data-theme="dark"] .auth-wrap { background: linear-gradient(160deg, #17203a, #11151d); }
.auth-card { width: 420px; max-width: 100%; background: var(--card); border-radius: 16px; box-shadow: var(--shadow); padding: 30px 28px; border: 1px solid var(--border); }
.auth-card h1 { font-size: 22px; text-align: center; color: var(--primary); margin-bottom: 4px; }
.auth-card .sub { text-align: center; color: var(--muted); margin-bottom: 22px; font-size: 13px; }
.auth-card .links { display: flex; justify-content: space-between; margin-top: 16px; font-size: 13px; flex-wrap: wrap; gap: 6px; }

/* ===== 响应式：900px 平板 ===== */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); box-shadow: 4px 0 24px rgba(0,0,0,.15); }
  .sidebar.open { transform: translateX(0); }
  .mask.show { display: block; }
  #hamb { display: inline-flex; align-items: center; }
  .topbar { left: 0; padding: 0 14px; }
  .main { margin-left: 0; }
  .main .content { padding: 74px 16px 24px; width: 100%; }
  .grid4 { grid-template-columns: repeat(2, 1fr); }
  .grid3 { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .card h3 { font-size: clamp(14px, 2.4vw, 15px); }
}
/* ===== 768px 平板竖屏 ===== */
@media (max-width: 768px) {
  .main .content { padding: 72px 12px 20px; }
  .grid2 { grid-template-columns: 1fr; }
  .card { padding: 14px; }
}
/* ===== 480px 手机 ===== */
@media (max-width: 480px) {
  .grid2, .grid3 { grid-template-columns: 1fr; }
  .grid4 { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .btn { min-height: 42px; font-size: 14px; }
  .btn-sm { min-height: 32px; }
  .input { font-size: 16px; min-height: 42px; }
  .card { padding: 12px; }
  .modal { width: 100%; }
  .main .content { padding: 70px 10px 18px; }
  .topbar { padding: 0 10px; gap: 8px; }
  .auth-card { padding: 24px 18px; }
  #wbox { display: none; }
  .topbar .pg-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
  .icon-btn { padding: 0 9px; font-size: 12px; }
  .stat-card .num { font-size: 22px; }
  table.tbl { font-size: 12.5px; }
}
/* ===== 360px 差量 ===== */
@media (max-width: 360px) {
  .grid4, .stat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card .num { font-size: 20px; }
  .hero { padding: 18px 14px; }
  .hero h1 { font-size: 18px; }
  .upl-item, .upl-add { width: 80px; height: 80px; }
  .btn { padding: 8px 12px; }
}

/* ============ 游客首页美化 ============ */
.guest-top { position: sticky; top: 0; left: 0; z-index: 30; display: flex; align-items: center; gap: 12px; height: 58px; padding: 0 20px; background: var(--card); border-bottom: 1px solid var(--border); }
.g-brand { display: flex; align-items: baseline; gap: 10px; font-size: 17px; }
.g-brand b { color: var(--primary); }
.guest-main { max-width: 1200px; margin: 0 auto; padding: 20px; }
.hero-v2 { display: flex; align-items: center; gap: 20px; padding: 32px 30px; border-radius: 18px; background: linear-gradient(135deg, #2f6fed 0%, #6c5ce7 100%); color: #fff; margin-bottom: 20px; box-shadow: 0 10px 30px rgba(47, 111, 237, .25); }
.hero-v2 .hero-l { flex: 1; min-width: 0; }
.hero-v2 h1 { font-size: 32px; margin-bottom: 4px; letter-spacing: 1px; }
.hero-v2 .hero-sub { font-size: 17px; opacity: .95; margin-bottom: 10px; }
.hero-v2 .hero-desc { font-size: 13px; opacity: .85; line-height: 1.7; margin-bottom: 18px; }
.hero-v2 .hero-cta { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-light { background: #fff; border-color: #fff; color: var(--primary); font-weight: 600; }
.btn-ghost { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.5); color: #fff; }
.hero-r { flex-shrink: 0; }
.clock-card { background: rgba(255,255,255,.16); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.3); border-radius: 14px; padding: 16px 22px; text-align: center; min-width: 180px; }
.clock-card .clockline { font-size: 22px; font-weight: 700; }
.clock-card .muted { color: rgba(255,255,255,.85); margin-top: 6px; font-size: 12px; }
.feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.feat { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s; }
.feat:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(31,45,61,.12); }
.feat .feat-t { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.feat .feat-d { font-size: 13px; color: var(--muted); line-height: 1.6; }
.guest-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.guest-grid .guest-mid { grid-column: span 1; }
.role-card .role-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.role-card2 { display: block; padding: 13px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); transition: transform .15s, box-shadow .15s, border-color .15s; }
.role-card2:hover { border-color: var(--primary); background: var(--primary-weak); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(47,111,237,.14); }
.role-card2 .rc-name { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 3px; }
.role-card2 .rc-desc { font-size: 12px; color: var(--muted); line-height: 1.4; }
.role-card2.rc-reg { background: linear-gradient(135deg, var(--primary-weak), var(--ok-weak)); border-style: dashed; }
.role-card2.rc-reg .rc-name { color: var(--ok); }
.guest-foot { text-align: center; margin: 24px 0 8px; font-size: 13px; }

/* ============ AI 引导助手 ============ */
.ai-fab { position: fixed; right: 20px; bottom: 20px; z-index: 80; height: 52px; padding: 0 20px; border-radius: 26px; border: none; background: linear-gradient(135deg, var(--primary), #6c5ce7); color: #fff; font-size: 14px; font-weight: 600; cursor: pointer; box-shadow: 0 6px 20px rgba(47,111,237,.4); animation: aipulse 2.4s infinite; }
@keyframes aipulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.04); } }
.ai-mask { position: fixed; inset: 0; background: rgba(15,22,34,.5); z-index: 90; display: none; align-items: center; justify-content: center; padding: 20px; }
.ai-mask.show { display: flex; }
.ai-panel { width: 440px; max-width: 100%; background: var(--card); border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,.3); overflow: hidden; display: flex; flex-direction: column; max-height: 86vh; }
.ai-head { display: flex; align-items: center; padding: 14px 18px; background: linear-gradient(135deg, var(--primary), #6c5ce7); color: #fff; }
.ai-bot { flex: 1; }
.ai-bot b { font-size: 16px; }
.ai-bot .muted { color: rgba(255,255,255,.85); font-size: 12px; margin-left: 8px; }
.ai-close { background: rgba(255,255,255,.2); border: none; color: #fff; border-radius: 8px; padding: 4px 12px; font-size: 13px; cursor: pointer; }
.ai-body { padding: 18px; overflow-y: auto; min-height: 180px; }
.ai-bubble { background: var(--primary-weak); border-radius: 14px 14px 14px 4px; padding: 14px 16px; }
.ai-bubble .ai-bt { font-weight: 700; color: var(--primary); margin-bottom: 6px; font-size: 15px; }
.ai-bubble .ai-bc { color: var(--text); font-size: 14px; line-height: 1.75; }
.ai-foot { display: flex; align-items: center; justify-content: space-between; padding: 12px 18px; border-top: 1px solid var(--border); }

/* ============ 多端响应式细化 ============ */
@media (max-width: 1024px) {
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .guest-grid { grid-template-columns: 1fr; }
  .guest-grid .guest-mid { grid-column: span 1; }
  .hero-v2 { padding: 24px 20px; flex-direction: column; align-items: flex-start; }
  .hero-v2 h1 { font-size: 26px; }
  .hero-r { width: 100%; }
  .clock-card { min-width: 0; }
}
@media (max-width: 480px) {
  .guest-main { padding: 14px; }
  .feat-grid { grid-template-columns: 1fr; }
  .hero-v2 h1 { font-size: 22px; }
  .hero-v2 .hero-sub { font-size: 15px; }
  .hero-v2 .hero-desc { font-size: 12px; }
  .ai-fab { height: 46px; padding: 0 16px; right: 14px; bottom: 14px; font-size: 13px; }
  .ai-panel { border-radius: 12px; }
  .clock-card { padding: 12px 16px; }
  .clock-card .clockline { font-size: 18px; }
}