:root{
  /* —— 以下变量精确提取自原型预览稿 —— */
  --app-bg:#f3f6fb; --surface:#ffffff; --surface-soft:#f7f8ff; --surface-muted:#eef2f8;
  --sidebar-from:#1f2d44; --sidebar-to:#17243a; --sidebar-text:#aeb9ca; --sidebar-text-muted:#75849d;
  --color-primary:#6268df; --color-primary-light:#7b81ec; --color-primary-deep:#5057c9;
  --color-primary-soft:#f0f1ff; --color-primary-faint:#f7f8ff;
  --text-primary:#2d374b; --text-secondary:#647187; --text-tertiary:#96a1b2;
  --border:#e3e8f1; --border-soft:#edf1f6;
  --success:#36a77b; --success-soft:#eef9f5;
  --warning:#e1a34c; --warning-soft:#fff8ed;
  --danger:#df6670; --danger-soft:#fff2f3;
  --info:#6fc5d2; --info-soft:#eff9fb;
  --sidebar-width:248px; --radius-control:12px; --radius-card:18px; --radius-large:24px;
  --shadow-card:0 10px 30px rgba(35,55,88,.07), 0 1px 2px rgba(35,55,88,.04);
  --shadow-float:0 18px 44px rgba(35,55,88,.12), 0 2px 5px rgba(35,55,88,.05);
  --transition-ui:.2s ease;
  --space-page:24px; --space-card:20px;

  /* —— 映射到我们原有的变量名，兼容旧代码 —— */
  --primary:var(--color-primary); --primary-dark:var(--color-primary-deep); --primary-soft:var(--color-primary-soft);
  --cyan:var(--info); --success-soft:var(--success-soft);
  --warning-soft:var(--warning-soft); --danger-soft:var(--danger-soft);
  --text:var(--text-primary); --text-2:var(--text-secondary); --text-3:var(--text-tertiary);
  --line:var(--border-soft); --line-strong:var(--border);
  --bg:var(--app-bg); --card:var(--surface);
  --shadow:var(--shadow-card);
  --radius:var(--radius-card);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  color:var(--text-primary); background:var(--app-bg); font-size:14px; line-height:1.5;
}
.hidden{display:none !important}
button{font:inherit; cursor:pointer}
input,select,textarea{font:inherit; color:var(--text-primary)}

/* ---------- 登录页 ---------- */
.login-screen{
  min-height:100vh; display:grid; place-items:center;
  background:radial-gradient(circle at 9% -6%, rgba(98,104,223,.12), transparent 26%),
             radial-gradient(circle at 94% 4%, rgba(111,197,210,.10), transparent 22%), var(--app-bg);
}
.login-card{
  width:380px; padding:36px 32px; background:var(--surface); border-radius:var(--radius-large);
  box-shadow:var(--shadow-float); text-align:center; border:1px solid var(--border-soft);
}
.login-brand{display:flex; align-items:center; gap:12px; text-align:left; margin-bottom:18px}
.login-brand__logo, .brand__logo{
  width:44px; height:44px; border-radius:var(--radius-control); background:var(--color-primary); color:#fff;
  display:grid; place-items:center; font-size:20px; font-weight:700; flex-shrink:0;
}
.login-brand strong{display:block; font-size:16px; color:var(--text-primary)}
.login-brand span{color:var(--text-tertiary); font-size:12px}
.login-desc{color:var(--text-secondary); font-size:13px; margin:0 0 20px}
#g_id_signin_container{display:flex; justify-content:center}
.login-error{margin-top:16px; color:var(--danger); font-size:13px; background:var(--danger-soft); padding:10px; border-radius:var(--radius-control)}

/* ---------- 主框架（侧边栏渐变/导航项样式取自原型稿 .sidebar / .sidebar__item） ---------- */
.app-shell{display:grid; grid-template-columns:var(--sidebar-width) minmax(0,1fr); min-height:100vh}
.sidebar{
  z-index:20; display:flex; flex-direction:column; gap:18px; position:sticky; top:0;
  width:var(--sidebar-width); height:100vh; padding:22px 16px 18px; overflow:hidden;
  background:linear-gradient(180deg, var(--sidebar-from) 0%, var(--sidebar-to) 100%);
  box-shadow:10px 0 30px rgba(17,29,48,.12); color:#fff; border-right:0;
}
.brand{display:flex; align-items:center; gap:10px; padding:4px 4px 12px; border-bottom:1px solid rgba(255,255,255,.08)}
.brand strong{display:block; color:#fff; font-size:16px}
.brand span{font-size:11px; color:var(--sidebar-text-muted)}
.sidebar__nav{display:flex; flex-direction:column; gap:2px}
.nav-group-label{padding:0 14px; margin-top:16px; margin-bottom:6px; font-size:11px; font-weight:700; letter-spacing:.04em; color:var(--sidebar-text-muted); text-transform:uppercase}
.nav-group-label:first-child{margin-top:0}
.nav-item{
  display:flex; align-items:center; gap:10px; min-height:44px; padding:0 14px;
  border:1px solid transparent; border-radius:var(--radius-control);
  color:var(--sidebar-text); background:none; text-align:left; font-size:14px; font-weight:600;
  transition:color var(--transition-ui), background var(--transition-ui), border-color var(--transition-ui), transform var(--transition-ui);
}
.nav-item:hover{border-color:rgba(255,255,255,.07); background:rgba(255,255,255,.07); color:#f5f7ff; transform:translate(1px)}
.nav-item.active{background:var(--color-primary); border-color:var(--color-primary); color:#fff}
.nav-item.is-disabled{opacity:.5}
.nav-item.is-disabled:hover{transform:none}

/* ---------- 工作台：Hero 卡片 ---------- */
.wb-hero{
  display:flex; align-items:flex-start; justify-content:space-between; gap:24px;
  background:var(--surface); border:1px solid var(--border-soft); border-left:4px solid var(--color-primary);
  border-radius:var(--radius-card); box-shadow:var(--shadow-card); padding:24px 28px; margin-bottom:20px;
}
.wb-hero__left{display:flex; gap:16px}
.wb-hero__icon{width:44px; height:44px; border-radius:var(--radius-control); background:var(--color-primary-soft); color:var(--color-primary); display:grid; place-items:center; flex-shrink:0}
.wb-hero__tag{display:inline-block; font-size:11px; font-weight:700; color:var(--color-primary); background:var(--color-primary-soft); padding:2px 10px; border-radius:999px; margin-bottom:8px}
.wb-hero__title{font-size:22px; font-weight:700; color:var(--text-primary); margin:0 0 6px}
.wb-hero__desc{font-size:13px; color:var(--text-secondary); margin:0; max-width:640px}
.wb-hero__right{text-align:right; display:flex; flex-direction:column; align-items:flex-end; gap:10px; flex-shrink:0}
.wb-hero__status{font-size:12px; color:var(--text-tertiary)}
.wb-hero__status strong{display:block; color:var(--text-primary); font-size:13px; margin-top:2px}

/* ---------- 工作台：统计卡片 ---------- */
.wb-stats{display:grid; grid-template-columns:repeat(auto-fit, minmax(180px,1fr)); gap:14px; margin-bottom:20px}
.wb-stat{position:relative; background:var(--surface); border:1px solid var(--border-soft); border-radius:var(--radius-card); box-shadow:var(--shadow-card); padding:16px 18px}
.wb-stat__label{font-size:12px; color:var(--text-secondary); font-weight:600}
.wb-stat__value{font-size:26px; font-weight:700; color:var(--text-primary); margin-top:6px}
.wb-stat__value span{font-size:13px; font-weight:600; color:var(--text-tertiary); margin-left:2px}
.wb-stat__hint{font-size:11px; color:var(--text-tertiary); margin-top:6px}
.wb-stat__num{position:absolute; top:14px; right:16px; font-size:11px; color:var(--border); font-weight:700}

/* ---------- 工作台：跨业务待办 ---------- */
.wb-main{display:grid; grid-template-columns:2fr 1fr; gap:16px; align-items:start}
.wb-todo-tabs{display:flex; gap:8px; margin-bottom:14px}
.wb-todo-tab{padding:6px 14px; border-radius:999px; font-size:12px; font-weight:600; background:var(--surface-muted); color:var(--text-secondary); border:1px solid transparent}
.wb-todo-tab.active{background:var(--color-primary-soft); color:var(--color-primary); border-color:var(--color-primary-soft)}
.wb-todo-row{display:flex; align-items:center; gap:14px; padding:14px 4px; border-bottom:1px solid var(--border-soft)}
.wb-todo-row:last-child{border-bottom:0}
.wb-todo-dot{width:8px; height:8px; border-radius:50%; flex-shrink:0}
.wb-todo-dot.high{background:var(--danger)}
.wb-todo-dot.normal{background:var(--warning)}
.wb-todo-priority{font-size:11px; color:var(--text-tertiary); width:56px; flex-shrink:0}
.wb-todo-main{flex:1; min-width:0}
.wb-todo-title{font-size:13px; font-weight:600; color:var(--text-primary)}
.wb-todo-sub{font-size:12px; color:var(--text-tertiary); margin-top:2px}
.wb-todo-status{flex-shrink:0}
.wb-todo-time{flex-shrink:0; font-size:12px; color:var(--text-tertiary); width:100px; text-align:right}
.wb-risk-item{padding:12px 0; border-bottom:1px solid var(--border-soft)}
.wb-risk-item:last-child{border-bottom:0}
.wb-risk-item__title{font-size:13px; font-weight:600; color:var(--text-primary); display:flex; align-items:center; gap:6px}
.wb-risk-item__desc{font-size:12px; color:var(--text-tertiary); margin-top:4px; padding-left:16px}
.sidebar__footer{margin-top:auto}
.user-card{padding:12px; border-radius:var(--radius-control); background:rgba(255,255,255,.05)}
.user-card__name{color:#fff; font-size:13px; font-weight:600}
.user-card__role{color:var(--color-primary-light); font-size:11px; font-weight:600; margin-top:2px}
.user-card__email{color:var(--sidebar-text-muted); font-size:11px; margin:2px 0 10px; word-break:break-all}
.ghost-btn{
  width:100%; padding:8px; border-radius:var(--radius-control); border:1px solid rgba(255,255,255,.15);
  background:transparent; color:#cfd6e4; font-size:12px; transition:background var(--transition-ui);
}
.ghost-btn:hover{background:rgba(255,255,255,.08)}

.app-main{min-width:0; display:flex; flex-direction:column}
.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 28px; border-bottom:1px solid var(--border-soft); background:var(--surface);
}
.topbar h1{font-size:18px; margin:0; color:var(--text-primary)}
.page-content{padding:var(--space-page) 28px; flex:1; overflow:auto}

/* ---------- 通用组件（.card ≈ 原型 .section-card / .metric-card，.btn ≈ .primary-btn / .icon-btn） ---------- */
.card{
  background:var(--surface); border:1px solid var(--border-soft); border-radius:var(--radius-card);
  box-shadow:var(--shadow-card); padding:var(--space-card); margin-bottom:16px;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  height:40px; padding:0 16px; border-radius:var(--radius-control); border:1px solid var(--border);
  background:#fff; color:var(--text-primary); font-size:13px; font-weight:600;
  transition:color var(--transition-ui), background var(--transition-ui), border-color var(--transition-ui), transform var(--transition-ui);
}
.btn:hover{border-color:#bfd6f8; color:var(--color-primary)}
.btn-primary{background:var(--color-primary); border-color:var(--color-primary); color:#fff; font-weight:700}
.btn-primary:hover{background:var(--color-primary-deep); color:#fff}
.btn-primary[disabled]{background:#a8b7cc; border-color:#a8b7cc}
.btn-danger{background:var(--danger); border-color:var(--danger); color:#fff}
.btn-danger:hover{opacity:.9; color:#fff}
.btn-sm{height:30px; padding:0 10px; font-size:12px; border-radius:10px}
.btn[disabled]{opacity:.55; cursor:not-allowed}

table{width:100%; border-collapse:collapse; font-size:13px}
th,td{padding:10px 12px; text-align:left; border-bottom:1px solid var(--border-soft)}
th{color:var(--text-tertiary); font-weight:600; font-size:12px}
tr:hover td{background:var(--surface-soft)}

/* 徽章：还原原型 .platform-badge / .dashboard-status 的胶囊样式 */
.badge{display:inline-flex; align-items:center; min-height:24px; padding:0 10px; border-radius:999px; font-size:12px; font-weight:700; white-space:nowrap}
.badge-gray{background:var(--surface-muted); color:var(--text-secondary)}
.badge-blue{background:var(--color-primary-soft); color:var(--color-primary)}
.badge-green{background:var(--success-soft); color:var(--success)}
.badge-orange{background:var(--warning-soft); color:var(--warning)}
.badge-red{background:var(--danger-soft); color:var(--danger)}

.form-row{margin-bottom:14px}
.form-row label{display:block; font-size:12px; color:var(--text-secondary); margin-bottom:6px; font-weight:600}
.form-row input, .form-row select, .form-row textarea{
  width:100%; padding:9px 12px; border:1px solid var(--border); border-radius:var(--radius-control); background:#fff;
  transition:border-color var(--transition-ui);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{outline:none; border-color:var(--color-primary)}
.form-row textarea{min-height:70px; resize:vertical}
.form-hint{font-size:11px; color:var(--text-tertiary); margin-top:4px}
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:0 16px}

.dimension-block{border:1px solid var(--border-soft); border-radius:var(--radius-control); padding:14px; margin-bottom:12px; background:var(--surface-soft)}
.dimension-block__title{display:flex; justify-content:space-between; align-items:center; margin-bottom:8px}
.dimension-block__title strong{font-size:14px; color:var(--text-primary)}
.dimension-block__title .weight{color:var(--color-primary); font-size:12px; font-weight:700}
.dimension-block__desc{font-size:12px; color:var(--text-secondary); margin-bottom:10px}

.empty-state{text-align:center; padding:60px 20px; color:var(--text-tertiary)}

/* ---------- 弹层（还原原型 .modal / .drawer 的圆角、阴影） ---------- */
.modal-mask{position:fixed; inset:0; background:rgba(15,23,42,.45); display:grid; place-items:center; z-index:50; padding:20px}
.modal{width:640px; max-width:100%; max-height:88vh; overflow:auto; background:#fff; border-radius:var(--radius-large); padding:24px; box-shadow:var(--shadow-float); border:1px solid var(--border-soft)}
.modal__header{display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:16px}
.modal__header h2{margin:0; font-size:17px; color:var(--text-primary)}
.modal__close{border:0; background:none; font-size:20px; color:var(--text-tertiary)}
.modal__footer{display:flex; justify-content:flex-end; gap:8px; margin-top:20px; padding-top:16px; border-top:1px solid var(--border-soft)}

.timeline{border-left:2px solid var(--border-soft); margin-left:6px; padding-left:16px}
.timeline-item{position:relative; padding-bottom:14px; font-size:13px}
.timeline-item::before{content:""; position:absolute; left:-21px; top:4px; width:8px; height:8px; border-radius:50%; background:var(--color-primary)}
.timeline-item .t-meta{color:var(--text-tertiary); font-size:11px}

.toast{position:fixed; top:20px; right:20px; z-index:100; padding:12px 18px; border-radius:var(--radius-control); background:var(--sidebar-from); color:#fff; font-size:13px; box-shadow:var(--shadow-float)}