*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:#f0f2f5;color:#1c1e21;line-height:1.5}
.wrap{max-width:1400px;margin:0 auto;padding:24px 20px}

header{background:linear-gradient(135deg,#1877f2 0%,#0d47a1 100%);color:#fff;padding:36px 48px;border-radius:16px;margin-bottom:28px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
header h1{font-size:1.9em;font-weight:800;margin-bottom:6px}
header p{opacity:.8;font-size:.95em}
.header-actions{display:flex;gap:10px;align-items:center}

.btn{padding:9px 18px;border-radius:8px;font-size:.88em;font-weight:600;cursor:pointer;border:none;transition:.15s;display:inline-flex;align-items:center;gap:6px}
.btn-white{background:#fff;color:#1877f2}.btn-white:hover{background:#e7f3ff}
.btn-primary{background:#1877f2;color:#fff}.btn-primary:hover{background:#1565c0}
.btn-sm{padding:6px 12px;font-size:.82em}
.btn-danger{background:#fff0f0;color:#d32f2f;border:1px solid #ffcdd2}.btn-danger:hover{background:#ffcdd2}

/* 日期范围选择器 */
.date-range-bar{background:#fff;border-radius:12px;padding:14px 24px;margin-bottom:20px;box-shadow:0 1px 6px rgba(0,0,0,.08);display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.date-range-label{font-size:.85em;font-weight:700;color:#65676b;white-space:nowrap}
.date-range-shortcuts{display:flex;gap:4px;background:#f0f2f5;padding:3px;border-radius:8px}
.dr-btn{padding:6px 14px;border:none;border-radius:6px;font-size:.82em;font-weight:600;color:#65676b;background:transparent;cursor:pointer;transition:.15s;white-space:nowrap}
.dr-btn.active{background:#fff;color:#1877f2;box-shadow:0 1px 4px rgba(0,0,0,.12)}
.dr-btn:hover:not(.active){background:rgba(255,255,255,.5)}
.date-range-custom{display:flex;align-items:center;gap:6px}
.date-range-custom input[type="date"]{padding:5px 10px;border:1.5px solid #dde1e7;border-radius:6px;font-size:.82em;outline:none;color:#1c1e21}
.date-range-custom input[type="date"]:focus{border-color:#1877f2}
.date-range-custom span{color:#90949c;font-size:.82em}

.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:16px;margin-bottom:28px}
.kpi{background:#fff;border-radius:12px;padding:20px 22px;box-shadow:0 1px 6px rgba(0,0,0,.08);border-left:4px solid transparent}
.kpi.blue{border-color:#1877f2}.kpi.pink{border-color:#e91e63}.kpi.green{border-color:#4caf50}
.kpi.orange{border-color:#ff9800}.kpi.purple{border-color:#9c27b0}.kpi.teal{border-color:#009688}
.kpi .label{font-size:.75em;color:#65676b;text-transform:uppercase;letter-spacing:.6px;font-weight:600;margin-bottom:8px}
.kpi .val{font-size:2em;font-weight:800;color:#1c1e21;line-height:1}
.kpi .sub{font-size:.78em;color:#90949c;margin-top:6px}

section{background:#fff;border-radius:12px;padding:28px 32px;margin-bottom:28px;box-shadow:0 1px 6px rgba(0,0,0,.08)}
section h2{font-size:1.2em;font-weight:700;margin-bottom:20px;color:#1c1e21;display:flex;align-items:center;gap:8px}
section h2::before{content:'';display:inline-block;width:4px;height:20px;background:#1877f2;border-radius:2px}

.chart-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.chart-box{position:relative;height:300px}
.chart-box.tall{height:400px}
.chart-title{font-size:.85em;font-weight:600;color:#65676b;margin-bottom:10px;text-align:center}

.insight{background:#e8f4fd;border-left:4px solid #1877f2;border-radius:6px;padding:14px 18px;margin-top:20px;font-size:.9em;line-height:1.8}
.insight b{color:#1877f2}

.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.85em}
thead th{background:#f0f2f5;padding:10px 12px;text-align:left;font-weight:700;color:#444;border-bottom:2px solid #ddd;white-space:nowrap}
tbody td{padding:8px 12px;border-bottom:1px solid #f0f2f5;vertical-align:middle}
tbody tr:hover td{background:#f7f9fc}
td.name{max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.bar-wrap{background:#eee;border-radius:4px;height:8px;min-width:60px}
.bar{background:linear-gradient(90deg,#1877f2,#42b72a);height:8px;border-radius:4px;transition:width .3s}

.acct-tag{display:inline-block;font-size:.7em;font-weight:700;color:#fff;background:#1877f2;padding:1px 7px;border-radius:4px;margin-right:6px;vertical-align:middle;letter-spacing:.3px}

#acctTable tbody tr{cursor:pointer;transition:background .12s}
#acctTable tbody tr:hover td{background:#e7f3ff}
#acctTable tbody tr.selected td{background:#dbeafe;font-weight:700}
#acctTable tbody tr.selected td:first-child::after{content:' \2713';color:#1877f2;font-weight:700}

.acct-filter-hint{font-size:.78em;color:#90949c;margin-bottom:12px}
.acct-clear-btn{display:inline-block;margin-left:10px;padding:3px 12px;border:1.5px solid #1877f2;border-radius:6px;font-size:.78em;font-weight:600;color:#1877f2;background:#fff;cursor:pointer;transition:.12s;vertical-align:middle}
.acct-clear-btn:hover{background:#e7f3ff}

.tabs{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:20px;background:#f0f2f5;padding:4px;border-radius:8px;width:fit-content}
.tab{padding:7px 16px;border-radius:6px;cursor:pointer;font-size:.85em;font-weight:600;color:#65676b;border:none;background:transparent;transition:.15s;white-space:nowrap}
.tab.active{background:#fff;color:#1877f2;box-shadow:0 1px 4px rgba(0,0,0,.12)}

.hint{font-size:.78em;color:#90949c;margin-bottom:12px}

.adset-toolbar{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.adset-search{flex:0 0 300px;padding:9px 14px;border:1.5px solid #dde1e7;border-radius:8px;font-size:.88em;outline:none;transition:border-color .15s}
.adset-search:focus{border-color:#1877f2;box-shadow:0 0 0 3px rgba(24,119,242,.1)}
.adset-count{font-size:.8em;color:#65676b;font-weight:600}
.adset-reset-btn,.adset-col-btn{padding:7px 16px;border:1.5px solid #dde1e7;border-radius:8px;font-size:.82em;font-weight:600;color:#65676b;background:#fff;cursor:pointer;transition:.15s}
.adset-reset-btn:hover,.adset-col-btn:hover{border-color:#1877f2;color:#1877f2;background:#e7f3ff}
.adset-toolbar{position:relative}

.col-picker{display:none;position:absolute;top:100%;right:0;background:#fff;border:1px solid #dde1e7;border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.14);padding:12px 14px;z-index:100;min-width:160px;margin-top:6px}
.col-picker.show{display:flex;flex-direction:column;gap:6px}
.col-picker label{display:flex;align-items:center;gap:7px;font-size:.84em;font-weight:500;color:#1c1e21;cursor:pointer;padding:3px 4px;border-radius:4px;transition:background .1s}
.col-picker label:hover{background:#f0f2f5}
.col-picker input[type="checkbox"]{accent-color:#1877f2}

/* 广告组右键菜单 */
.adset-ctx-menu{display:none;position:fixed;background:#fff;border:1px solid #dde1e7;border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.16);z-index:9999;overflow:hidden;min-width:160px}
.adset-ctx-menu button{display:block;width:100%;padding:10px 16px;border:none;background:none;text-align:left;font-size:.86em;font-weight:500;cursor:pointer;color:#1c1e21;transition:background .12s}
.adset-ctx-menu button:hover{background:#e7f3ff;color:#1877f2}

.acct-group-row td{background:#f0f2f5!important;padding:10px 12px!important;border-bottom:2px solid #dde1e7!important;font-weight:700}
.acct-group-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:8px;vertical-align:middle}
.acct-group-name{font-size:.92em;color:#1c1e21;vertical-align:middle}
.acct-group-count{font-size:.78em;color:#90949c;font-weight:500;margin-left:10px;vertical-align:middle}

#adsetTable thead th{cursor:pointer;user-select:none;position:relative;padding-right:20px}
#adsetTable thead th:last-child{cursor:default}
.sort-arrow{position:absolute;right:4px;top:50%;transform:translateY(-50%);font-size:10px;color:#bbb;line-height:1}
.sort-arrow.asc{color:#1877f2}.sort-arrow.desc{color:#1877f2}

.filter-row th{background:#fafbfc;padding:4px 6px;border-bottom:1.5px solid #dde1e7}
.range-filter{display:flex;gap:3px;align-items:center}
.range-filter input{width:56px;padding:4px 5px;border:1px solid #dde1e7;border-radius:4px;font-size:.78em;text-align:center;outline:none}
.range-filter input:focus{border-color:#1877f2}
.range-filter span{color:#bbb;font-size:.75em}

footer{text-align:center;color:#90949c;font-size:.8em;padding:20px 0}
@media(max-width:900px){.chart-2{grid-template-columns:1fr}}

/* Modal */
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:10000;display:none;align-items:center;justify-content:center}
.modal-overlay.active{display:flex}
.modal{background:#fff;border-radius:16px;padding:32px;max-width:560px;width:90%;max-height:85vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal h2{font-size:1.3em;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:8px}
.modal-close{margin-left:auto;background:none;border:none;font-size:1.5em;cursor:pointer;color:#90949c;padding:0 4px}
.modal-close:hover{color:#1c1e21}

.upload-zone{border:2.5px dashed #dde1e7;border-radius:12px;padding:40px 20px;text-align:center;cursor:pointer;transition:.2s;margin-bottom:20px}
.upload-zone:hover,.upload-zone.dragover{border-color:#1877f2;background:#f0f7ff}
.upload-zone p{color:#65676b;margin-top:8px;font-size:.9em}
.upload-zone .icon{font-size:2.5em;color:#1877f2}

.upload-result{margin-top:16px;padding:14px;border-radius:8px;font-size:.9em}
.upload-result.success{background:#e8f5e9;color:#2e7d32;border:1px solid #a5d6a7}
.upload-result.error{background:#fce4ec;color:#c62828;border:1px solid #ef9a9a}

.upload-list{margin-top:16px}
.upload-item{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:#f7f9fc;border-radius:8px;margin-bottom:8px;font-size:.88em}
.upload-item .info{flex:1}
.upload-item .info .name{font-weight:600;color:#1c1e21}
.upload-item .info .meta{font-size:.82em;color:#90949c;margin-top:2px}

/* 折线悬浮菜单 */
#lineMenu{position:fixed;display:none;background:#fff;border:1px solid #dde1e7;border-radius:10px;font-size:13px;color:#1c1e21;box-shadow:0 8px 24px rgba(0,0,0,.16),0 2px 8px rgba(0,0,0,.08);z-index:9999;min-width:176px;max-width:256px;overflow:hidden;pointer-events:auto;user-select:none}
#lineMenuHeader{padding:9px 13px 8px;border-bottom:1px solid #f0f2f5;display:flex;align-items:center;gap:7px}
#lineMenuDot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
#lineMenuName{font-weight:700;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#lineMenuActions{padding:6px;display:flex;flex-direction:column;gap:3px}
.lm-btn{width:100%;padding:7px 11px;border:none;border-radius:6px;cursor:pointer;font-size:12.5px;font-weight:600;text-align:left;transition:background .12s}
.lm-btn.solo{background:#e7f3ff;color:#1877f2}.lm-btn.solo:hover{background:#c5dcff}
.lm-btn.excl{background:#fff0f0;color:#d32f2f}.lm-btn.excl:hover{background:#ffd5d5}
.lm-btn.reset{background:#f0f2f5;color:#444}.lm-btn.reset:hover{background:#e4e6ea}
#lineMenuNav{display:flex;align-items:center;justify-content:space-between;padding:5px 8px 7px;border-top:1px solid #f0f2f5;gap:4px}
.lm-nav-btn{flex:0 0 28px;height:28px;border:1px solid #dde1e7;border-radius:6px;background:#fff;color:#444;font-size:14px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .12s;line-height:1}
.lm-nav-btn:hover{background:#e7f3ff;color:#1877f2;border-color:#b3d4ff}
#lineMenuCounter{flex:1;text-align:center;font-size:11px;color:#90949c;font-weight:600}

.loading{text-align:center;padding:60px 20px;color:#90949c;font-size:1.1em}
.empty-state{text-align:center;padding:60px 20px;color:#90949c}
.empty-state .icon{font-size:3em;margin-bottom:12px}
.empty-state p{margin-bottom:16px}

/* 备注相关 */
.modal-sm{max-width:440px}
.note-form label{display:block;font-size:.82em;font-weight:600;color:#65676b;margin:14px 0 5px}
.note-form input[type="text"],.note-form textarea{width:100%;padding:9px 12px;border:1.5px solid #dde1e7;border-radius:8px;font-size:.9em;outline:none;font-family:inherit;transition:border-color .15s}
.note-form input[type="text"]:focus,.note-form textarea:focus{border-color:#1877f2;box-shadow:0 0 0 3px rgba(24,119,242,.1)}
.note-form textarea{resize:vertical;min-height:80px}
.note-original{font-size:.82em;color:#90949c;background:#f7f9fc;padding:8px 12px;border-radius:6px;word-break:break-all}
.note-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.btn-secondary{background:#f0f2f5;color:#444}.btn-secondary:hover{background:#e4e6ea}

.adset-name-text{cursor:default}
.adset-name-text.has-memo{border-bottom:1px dashed #90949c;cursor:help}
.adset-orig-name{display:block;font-size:.72em;color:#90949c;font-weight:400;margin-top:1px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:240px}
.adset-edit-btn{display:inline-block;margin-left:6px;font-size:.82em;color:#bbb;cursor:pointer;opacity:0;transition:opacity .15s;vertical-align:middle}
td.name:hover .adset-edit-btn{opacity:1}
.adset-edit-btn:hover{color:#1877f2}

.memo-tooltip{position:fixed;display:none;background:rgba(28,30,33,.92);color:#fff;padding:10px 14px;border-radius:8px;font-size:.82em;line-height:1.6;max-width:380px;z-index:10001;pointer-events:none;white-space:pre-wrap;word-break:break-word;box-shadow:0 4px 12px rgba(0,0,0,.2)}
.tip-memo{margin-bottom:6px}
.tip-imgs{display:flex;gap:6px;flex-wrap:wrap}
.tip-imgs img{max-width:160px;max-height:120px;border-radius:4px;object-fit:cover}

/* 备注图片上传区 */
.note-img-zone{border:2px dashed #dde1e7;border-radius:8px;padding:16px;text-align:center;cursor:pointer;transition:.2s;margin-bottom:10px}
.note-img-zone:hover,.note-img-zone.dragover{border-color:#1877f2;background:#f0f7ff}
.note-img-hint{font-size:.82em;color:#90949c}
.note-img-grid{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.note-img-item{position:relative;border-radius:6px;overflow:hidden;border:1px solid #eee}
.note-img-item img{display:block;height:80px;max-width:140px;object-fit:cover;cursor:pointer}
.note-img-item img:hover{opacity:.85}
.note-img-del{position:absolute;top:2px;right:2px;width:20px;height:20px;border-radius:50%;border:none;background:rgba(0,0,0,.55);color:#fff;font-size:14px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s}
.note-img-item:hover .note-img-del{opacity:1}

/* 图片预览 */
.img-preview-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.8);z-index:30000;display:flex;align-items:center;justify-content:center;cursor:zoom-out}
.img-preview-overlay img{max-width:90%;max-height:90%;border-radius:8px;box-shadow:0 8px 32px rgba(0,0,0,.5)}
.img-preview-close{position:fixed;top:20px;right:24px;background:none;border:none;color:#fff;font-size:2em;cursor:pointer;opacity:.7}
.img-preview-close:hover{opacity:1}

/* 登录页 */
.login-page{position:fixed;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#1877f2 0%,#0d47a1 100%);display:flex;align-items:center;justify-content:center;z-index:20000}
.login-card{background:#fff;border-radius:16px;padding:48px 40px;width:380px;max-width:92%;box-shadow:0 20px 60px rgba(0,0,0,.3);text-align:center}
.login-card h1{font-size:1.5em;font-weight:800;color:#1c1e21;margin-bottom:6px}
.login-sub{color:#90949c;font-size:.88em;margin-bottom:28px}
.login-form{display:flex;flex-direction:column;gap:12px}
.login-form input{padding:11px 14px;border:1.5px solid #dde1e7;border-radius:8px;font-size:.92em;outline:none;transition:border-color .15s}
.login-form input:focus{border-color:#1877f2;box-shadow:0 0 0 3px rgba(24,119,242,.1)}
.login-error{color:#d32f2f;font-size:.82em;min-height:1.2em;text-align:left}
.btn-block{width:100%;justify-content:center;padding:12px}

/* 用户菜单 */
.user-menu{position:relative}
.user-btn{gap:4px!important;padding:9px 14px!important}
.user-dropdown{position:absolute;top:calc(100% + 6px);right:0;background:#fff;border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.16);min-width:180px;z-index:9999;display:none;overflow:hidden}
.user-dropdown.show{display:block}
.user-dropdown-header{padding:12px 16px;font-size:.82em;font-weight:600;color:#65676b;border-bottom:1px solid #f0f2f5;white-space:nowrap}
.user-dropdown button{display:block;width:100%;padding:10px 16px;border:none;background:none;text-align:left;font-size:.88em;cursor:pointer;color:#1c1e21;transition:background .12s}
.user-dropdown button:hover{background:#f0f2f5}
.user-dropdown hr{border:none;border-top:1px solid #f0f2f5;margin:0}

/* 修改密码弹窗 */
.note-form input[type="password"]{width:100%;padding:9px 12px;border:1.5px solid #dde1e7;border-radius:8px;font-size:.9em;outline:none;font-family:inherit;transition:border-color .15s}
.note-form input[type="password"]:focus{border-color:#1877f2;box-shadow:0 0 0 3px rgba(24,119,242,.1)}

/* 用户管理 */
.user-mgmt-add{background:#f7f9fc;border-radius:10px;padding:16px}
.user-mgmt-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.user-mgmt-row input,.user-mgmt-row select{padding:8px 10px;border:1.5px solid #dde1e7;border-radius:6px;font-size:.85em;outline:none}
.user-mgmt-row input:focus,.user-mgmt-row select:focus{border-color:#1877f2}
.user-mgmt-row input{flex:1;min-width:100px}
.user-mgmt-row select{flex:0 0 auto}
.user-list{display:flex;flex-direction:column;gap:8px}
.user-item{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:#f7f9fc;border-radius:8px;flex-wrap:wrap;gap:8px}
.user-item-info{display:flex;align-items:center;gap:10px;flex:1}
.user-item-name{font-weight:600;font-size:.9em}
.user-item-role{font-size:.72em;font-weight:600;padding:2px 8px;border-radius:4px;color:#fff}
.user-item-role.admin{background:#e91e63}
.user-item-role.user{background:#90949c}
.user-item-date{font-size:.75em;color:#90949c}
.user-item-actions{display:flex;gap:6px}