:root {
    --ink: #172036;
    --muted: #6d7485;
    --line: #e6e9ef;
    --surface: #ffffff;
    --canvas: #f4f6f9;
    --navy: #11182b;
    --navy-2: #1b2540;
    --primary: #4b63e7;
    --primary-dark: #354ac7;
    --green: #168b68;
    --green-soft: #e7f6f1;
    --red: #c14c55;
    --red-soft: #fbecef;
    --orange: #d77a24;
    --purple: #8057d9;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(25, 33, 55, .06);
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--canvas); }
body { margin: 0; color: var(--ink); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; font-size: 14px; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { cursor: pointer; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 240px minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; padding: 24px 18px 18px; color: #fff; background: linear-gradient(165deg, #11182b 0%, #151f38 70%, #20294a 100%); }
.brand { display: flex; align-items: center; gap: 12px; padding: 2px 8px 28px; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; color: #fff; background: linear-gradient(145deg, #6f80f2, #4356cf); font: 800 20px/1 Georgia, serif; box-shadow: 0 8px 20px rgba(72, 91, 216, .35); }
.brand strong, .brand span { display: block; }
.brand strong { font-size: 14px; letter-spacing: 1.6px; }
.brand span { margin-top: 4px; color: #9ca7c5; font-size: 11px; }
.nav { display: grid; gap: 7px; }
.nav-link { display: flex; align-items: center; gap: 12px; padding: 12px 14px; color: #aeb7d1; border-radius: 10px; transition: .15s ease; }
.nav-link:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-link.active { color: #fff; background: linear-gradient(90deg, rgba(91,110,232,.34), rgba(91,110,232,.1)); box-shadow: inset 3px 0 #7a8bf6; }
.nav-icon { width: 22px; font-size: 18px; text-align: center; }
.sidebar-note { margin-top: auto; padding: 15px; border: 1px solid rgba(255,255,255,.08); border-radius: 12px; background: rgba(255,255,255,.04); }
.sidebar-note span, .sidebar-note strong, .sidebar-note small { display: block; }
.sidebar-note span { color: #8f9ab7; font-size: 11px; }
.sidebar-note strong { margin: 5px 0; font-size: 13px; }
.sidebar-note small { color: #7e89a6; }
.user-card { display: grid; grid-template-columns: 36px minmax(0,1fr) auto; align-items: center; gap: 10px; margin-top: 14px; padding: 13px 8px 0; border-top: 1px solid rgba(255,255,255,.08); }
.avatar { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: #f0c77a; color: #452e0b; font-weight: 800; }
.user-meta strong, .user-meta span { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-meta strong { font-size: 12px; }
.user-meta span { margin-top: 3px; color: #8f9ab7; font-size: 10px; }
.logout-form button { padding: 5px 7px; color: #aeb7d1; border: 0; background: transparent; font-size: 11px; }
.logout-form button:hover { color: #fff; }
.main { min-width: 0; }
.topbar { min-height: 98px; display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; padding: 25px 32px 20px; background: rgba(255,255,255,.82); border-bottom: 1px solid var(--line); }
.topbar h1 { margin: 5px 0 0; font-size: 24px; line-height: 1.2; letter-spacing: -.3px; }
.eyebrow { color: #8b93a6; font-size: 10px; font-weight: 800; letter-spacing: 1.8px; }
.topbar-meta { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; }
.role-pill { padding: 7px 10px; border: 1px solid #dfe3eb; border-radius: 999px; background: #f8f9fb; color: #434c61; }
.content { padding: 25px 32px 40px; }
.footer { padding: 0 32px 28px; color: #9aa1af; font-size: 11px; text-align: right; }
.flash { margin: 18px 32px 0; padding: 12px 16px; border-radius: 10px; font-size: 13px; }
.flash.success { color: #12664e; background: #e9f8f2; border: 1px solid #c9ebdf; }
.flash.error { color: #9d3540; background: #fff0f2; border: 1px solid #f2ccd1; }
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; margin-bottom: 18px; }
.stat-card { position: relative; min-height: 126px; padding: 21px; overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.stat-card::after { content: ""; position: absolute; right: -16px; top: -18px; width: 76px; height: 76px; border-radius: 50%; opacity: .12; background: currentColor; }
.stat-card span, .stat-card strong, .stat-card small { display: block; }
.stat-card span { color: var(--muted); font-size: 12px; }
.stat-card strong { margin: 12px 0 8px; color: var(--ink); font-size: 27px; font-weight: 750; }
.stat-card small { color: #a0a6b3; font-size: 10px; }
.accent-blue { color: var(--primary); border-top: 3px solid var(--primary); }
.accent-green { color: var(--green); border-top: 3px solid var(--green); }
.accent-purple { color: var(--purple); border-top: 3px solid var(--purple); }
.accent-orange { color: var(--orange); border-top: 3px solid var(--orange); }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 21px 22px; border-bottom: 1px solid var(--line); }
.panel-head.compact { padding: 18px 20px; }
.panel-head h2 { margin: 0 0 5px; font-size: 16px; }
.panel-head p { margin: 0; color: var(--muted); font-size: 11px; }
.btn { display: inline-flex; min-height: 38px; align-items: center; justify-content: center; gap: 6px; padding: 9px 15px; border: 1px solid transparent; border-radius: 9px; font-weight: 650; font-size: 12px; line-height: 1; }
.btn.primary { color: #fff; background: var(--primary); box-shadow: 0 6px 15px rgba(75,99,231,.2); }
.btn.primary:hover { background: var(--primary-dark); }
.btn.secondary { color: #344055; background: #fff; border-color: #d9dee8; }
.btn.ghost { color: #6d7485; background: #f7f8fa; border-color: #eceef3; }
.btn.danger { color: #fff; background: var(--red); }
.btn.danger-soft { color: #a13d47; background: var(--red-soft); border-color: #f3cbd0; }
.btn.success { color: #126b51; background: var(--green-soft); border-color: #c0e6da; }
.btn.small { min-height: 30px; padding: 6px 10px; font-size: 11px; }
.btn.wide { width: 100%; }
.filter-bar { display: grid; grid-template-columns: minmax(260px,1fr) 145px 145px auto auto; gap: 10px; padding: 15px 22px; background: #fbfcfd; border-bottom: 1px solid var(--line); }
.filter-bar.admin-filters { grid-template-columns: minmax(220px,1fr) 165px 145px 145px auto auto; }
.filter-bar select, .inline-form select { min-height: 38px; padding: 0 10px; color: #434b5e; background: #fff; border: 1px solid #dfe3eb; border-radius: 9px; }
.search-field { display: flex; align-items: center; min-height: 38px; padding: 0 12px; background: #fff; border: 1px solid #dfe3eb; border-radius: 9px; }
.search-field span { color: #a3aab8; font-size: 18px; }
.search-field input { width: 100%; padding: 8px; border: 0; outline: 0; color: var(--ink); }
.table-wrap { width: 100%; overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; white-space: nowrap; }
.data-table th { padding: 13px 14px; color: #798194; background: #f7f8fa; border-bottom: 1px solid var(--line); font-size: 10px; font-weight: 750; letter-spacing: .3px; text-align: left; }
.data-table td { padding: 14px; border-bottom: 1px solid #eef0f4; color: #4d5568; font-size: 12px; vertical-align: middle; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: #fafbfe; }
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table .strong { color: #242c40; font-weight: 750; }
.product-cell { min-width: 260px; white-space: normal; }
.product-cell a { display: block; margin-bottom: 6px; color: #26314a; font-weight: 750; }
.product-cell a:hover { color: var(--primary); }
.product-cell span { display: block; max-width: 320px; overflow: hidden; color: #9aa1af; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.status { display: inline-flex; align-items: center; gap: 6px; padding: 5px 9px; border-radius: 999px; font-size: 10px; font-weight: 700; }
.status i { width: 6px; height: 6px; border-radius: 50%; }
.status.active { color: #11684f; background: var(--green-soft); }
.status.active i { background: #27a47c; box-shadow: 0 0 0 3px rgba(39,164,124,.12); }
.status.stopped { color: #8c5960; background: #f5eff0; }
.status.stopped i { background: #a76d75; }
.platform-list { display: flex; flex-wrap: wrap; gap: 5px; }
.platform { display: inline-flex; align-items: center; padding: 4px 8px; border-radius: 6px; font-size: 10px; font-weight: 800; letter-spacing: .2px; }
.platform.tiktok { color: #313747; background: #edf0f4; }
.platform.facebook { color: #3159a7; background: #eaf1fd; }
.text-link { color: var(--primary); font-size: 11px; font-weight: 700; }
.empty-state { display: grid; justify-items: center; gap: 7px; padding: 36px; color: #9198a7; }
.empty-state strong { color: #444d61; font-size: 14px; }
.empty-state.large { padding: 80px 30px; }
.empty-state.large .btn { margin-top: 12px; }
.back-row { margin-bottom: 14px; color: #6e7689; font-size: 12px; }
.back-row a:hover { color: var(--primary); }
.form-layout { display: grid; grid-template-columns: minmax(0, 760px) 250px; gap: 18px; align-items: start; }
.stack-form { display: grid; gap: 16px; padding: 22px; }
.field { display: grid; gap: 7px; }
.field > span, .checkbox-field legend { color: #424b60; font-size: 11px; font-weight: 750; }
.field input, .field select { width: 100%; min-height: 42px; padding: 9px 11px; color: var(--ink); background: #fff; border: 1px solid #dce1e9; border-radius: 9px; outline: 0; }
.field input:focus, .field select:focus { border-color: #8190ea; box-shadow: 0 0 0 3px rgba(75,99,231,.1); }
.field small, .read-only-field small, .checkbox-field small { color: #949baa; font-size: 10px; line-height: 1.5; }
.read-only-field { display: grid; gap: 4px; padding: 13px 14px; background: #f7f8fb; border: 1px solid #e7eaf0; border-radius: 9px; }
.read-only-field span { color: #777f91; font-size: 10px; }
.read-only-field strong { font-size: 13px; }
.checkbox-field { display: flex; flex-wrap: wrap; align-items: center; gap: 15px; padding: 14px; border: 1px solid #dce1e9; border-radius: 9px; }
.checkbox-field legend { padding: 0 6px; }
.checkbox-field label { display: inline-flex; align-items: center; gap: 4px; }
.checkbox-field small { width: 100%; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; padding-top: 7px; border-top: 1px solid #eef0f4; }
.help-card { padding: 22px; color: #e4e8f7; background: linear-gradient(160deg, #1a2440, #243254); border-radius: var(--radius); box-shadow: var(--shadow); }
.help-card h3 { margin: 7px 0 7px; color: #fff; font-size: 13px; }
.help-card p { margin: 0 0 22px; color: #aab4d0; font-size: 11px; line-height: 1.75; }
.help-number { display: inline-grid; width: 25px; height: 25px; place-items: center; color: #fff; background: rgba(112,132,244,.35); border-radius: 7px; font-size: 9px; font-weight: 800; }
.product-hero { display: flex; justify-content: space-between; gap: 22px; padding: 23px 25px; color: #fff; background: linear-gradient(120deg, #1b2540, #29385f); border-radius: var(--radius); box-shadow: 0 12px 30px rgba(22,31,54,.18); }
.product-title-line { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.external-title { font-size: 21px; font-weight: 760; }
.external-title:hover { color: #aebaff; }
.product-hero p { max-width: 650px; margin: 9px 0 16px; overflow: hidden; color: #909dbd; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 9px 22px; color: #97a3bf; font-size: 10px; }
.hero-meta strong { margin-left: 4px; color: #e7eaf3; font-weight: 650; }
.hero-actions { display: flex; align-items: flex-start; }
.platform-switcher { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin: 17px 0 10px; }
.platform-tabs { display: flex; gap: 8px; }
.platform-tab { display: flex; min-width: 145px; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.platform-tab small { color: #8c93a2; font-size: 9px; }
.platform-tab.active { border-color: #8e9af0; box-shadow: 0 0 0 3px rgba(75,99,231,.08); }
.inline-form { display: flex; gap: 8px; }
.platform-status-bar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 13px 16px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.platform-status-bar > div { display: flex; align-items: center; gap: 10px; }
.platform-status-bar strong { font-size: 12px; }
.platform-status-bar small { color: #8e95a4; font-size: 10px; }
.metric-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 10px; margin: 12px 0; }
.metric-grid article { padding: 15px 17px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.metric-grid span, .metric-grid strong { display: block; }
.metric-grid span { color: #8b92a1; font-size: 10px; }
.metric-grid strong { margin-top: 7px; font-size: 18px; font-variant-numeric: tabular-nums; }
.metric-panel { min-width: 0; }
.wide-table { max-height: 640px; }
.metrics-table { min-width: 1480px; }
.metrics-table thead { position: sticky; top: 0; z-index: 1; }
.metrics-table .editing-row { background: #f4f6ff; box-shadow: inset 3px 0 var(--primary); }
.video-cell { max-width: 260px; white-space: normal; }
.video-cell strong, .video-cell span { display: block; }
.video-cell strong { color: #313a4e; font-size: 11px; }
.video-cell span { margin-top: 5px; color: #9ba2b0; font-size: 9px; }
.record-count { padding: 6px 9px; color: #657086; background: #f3f5f8; border-radius: 7px; font-size: 10px; white-space: nowrap; }
.metric-entry-bottom { margin-top: 14px; scroll-margin-top: 18px; }
.metric-entry-bottom.edit-mode { border-color: #aeb8f3; box-shadow: 0 0 0 3px rgba(75,99,231,.07), var(--shadow); }
.horizontal-entry-form { padding: 18px 20px 20px; }
.entry-grid { display: grid; grid-template-columns: repeat(6, minmax(130px, 1fr)); gap: 13px; }
.entry-grid .span-2 { grid-column: span 2; }
.horizontal-form-footer { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 16px; padding-top: 15px; border-top: 1px solid #edf0f4; }
.horizontal-form-footer .calculation-note { flex: 1; }
.dense-form { padding: 17px; gap: 12px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dense-form .field input { min-height: 38px; }
.suffix-input { position: relative; }
.suffix-input input { padding-right: 30px; }
.suffix-input i { position: absolute; right: 11px; top: 50%; color: #939aa9; font-style: normal; transform: translateY(-50%); }
.prefix-input { position: relative; }
.prefix-input input { padding-left: 28px; }
.prefix-input i { position: absolute; left: 11px; top: 50%; color: #697184; font-style: normal; font-weight: 700; transform: translateY(-50%); }
.calculation-note { padding: 10px 11px; color: #7b678c; background: #f6f1fa; border-radius: 8px; font-size: 10px; line-height: 1.55; }
.account-layout { display: grid; grid-template-columns: minmax(0,1fr) 330px; gap: 16px; align-items: start; }
.person { display: flex; align-items: center; gap: 9px; }
.person span { width: 30px; height: 30px; display: grid; place-items: center; color: #36405a; background: #e9edf7; border-radius: 50%; font-weight: 800; }
.person strong { color: #30384c; }
.row-actions { display: flex; align-items: center; gap: 7px; }
.row-actions form { margin: 0; }
.metric-actions { min-width: 112px; }
code { padding: 3px 6px; color: #4f5b78; background: #f2f4f8; border-radius: 5px; font: 11px Consolas, monospace; }

.login-body { min-height: 100vh; color: var(--ink); background: #eef1f5; }
.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(420px, 1.15fr) minmax(420px, .85fr); }
.login-intro { display: flex; flex-direction: column; justify-content: space-between; padding: 45px 55px; color: #fff; background: radial-gradient(circle at 80% 18%, rgba(100,119,232,.26), transparent 30%), linear-gradient(155deg, #121a2f 0%, #202d4d 100%); }
.brand-light { padding: 0; }
.login-copy { max-width: 610px; margin: auto 0; }
.eyebrow.light { color: #9eabd0; }
.login-copy h1 { margin: 16px 0 20px; font-size: clamp(38px, 5vw, 70px); line-height: 1.13; letter-spacing: -2px; }
.login-copy p { max-width: 510px; margin: 0; color: #aeb8d3; font-size: 15px; line-height: 1.8; }
.login-panel { display: grid; place-items: center; padding: 40px; background: #f8f9fb; }
.login-card { width: min(390px, 100%); padding: 34px; background: #fff; border: 1px solid #e3e6ec; border-radius: 18px; box-shadow: 0 24px 60px rgba(31,40,65,.1); }
.login-heading span { color: var(--primary); font-size: 11px; font-weight: 800; letter-spacing: 1px; }
.login-heading h2 { margin: 8px 0; font-size: 25px; }
.login-heading p { margin: 0 0 24px; color: #8c93a2; font-size: 12px; }
.login-card .field { margin-bottom: 15px; }
.login-card .flash { margin: 0 0 16px; }

@media (max-width: 1180px) {
    .sidebar { width: 200px; }
    .app-shell { grid-template-columns: 200px minmax(0,1fr); }
    .account-layout { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .metric-grid { grid-template-columns: repeat(3,1fr); }
    .entry-grid { grid-template-columns: repeat(3, minmax(130px, 1fr)); }
}

@media (max-width: 820px) {
    .app-shell { display: block; }
    .sidebar { position: static; width: 100%; height: auto; padding: 14px; }
    .brand { padding-bottom: 12px; }
    .nav { grid-template-columns: 1fr 1fr; }
    .sidebar-note { display: none; }
    .user-card { margin-top: 12px; }
    .topbar { min-height: 82px; padding: 18px 18px 15px; }
    .topbar-meta > span:first-child { display: none; }
    .content { padding: 18px; }
    .flash { margin: 14px 18px 0; }
    .filter-bar, .filter-bar.admin-filters { grid-template-columns: 1fr 1fr; padding: 13px; }
    .search-field { grid-column: 1 / -1; }
    .form-layout { grid-template-columns: 1fr; }
    .help-card { display: none; }
    .product-hero { display: block; }
    .hero-actions { margin-top: 17px; }
    .platform-switcher, .platform-status-bar { align-items: stretch; flex-direction: column; }
    .platform-tabs { overflow-x: auto; }
    .platform-status-bar > div { flex-wrap: wrap; }
    .metric-grid { grid-template-columns: 1fr 1fr; }
    .entry-grid { grid-template-columns: 1fr 1fr; }
    .entry-grid .span-2 { grid-column: 1 / -1; }
    .horizontal-form-footer { align-items: stretch; flex-direction: column; }
    .horizontal-form-footer .btn { width: 100%; }
    .login-shell { grid-template-columns: 1fr; }
    .login-intro { min-height: 330px; padding: 28px; }
    .login-copy h1 { font-size: 38px; }
    .login-panel { padding: 25px; }
}

@media (max-width: 520px) {
    .topbar h1 { font-size: 20px; }
    .stat-grid { grid-template-columns: 1fr; }
    .panel-head { align-items: flex-start; flex-direction: column; }
    .filter-bar, .filter-bar.admin-filters { grid-template-columns: 1fr; }
    .search-field { grid-column: auto; }
    .metric-grid { grid-template-columns: 1fr; }
    .two-col { grid-template-columns: 1fr; }
    .entry-grid { grid-template-columns: 1fr; }
    .entry-grid .span-2 { grid-column: auto; }
    .product-title-line { align-items: flex-start; flex-direction: column; }
    .external-title { font-size: 17px; }
    .platform-tab { min-width: 132px; }
}