:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #152033;
  --muted: #667085;
  --border: #e4e7ec;
  --accent: #2563eb;
  --accent-soft: #eff6ff;
  --warning: #b54708;
  --warning-bg: #fff7ed;
  --shadow: 0 10px 30px rgba(17, 24, 39, .06);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--bg); }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); }
button, input, select { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 4px; font-size: 28px; letter-spacing: -.02em; }
h2 { margin-bottom: 0; font-size: 19px; }
h3 { margin-bottom: 4px; font-size: 18px; }
.muted { color: var(--muted); }
.ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.eyebrow { margin-bottom: 5px; color: #475467; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: calc(16px + env(safe-area-inset-top)) max(22px, env(safe-area-inset-right)) 16px max(22px, env(safe-area-inset-left));
  background: rgba(255,255,255,.94); border-bottom: 1px solid var(--border);
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
}
.top-actions { display: flex; align-items: center; gap: 10px; }
.build-badge, .readonly-chip, .chip {
  display: inline-flex; align-items: center; min-height: 28px; padding: 5px 9px;
  border: 1px solid var(--border); border-radius: 999px; background: #fff;
  font-size: 12px; color: #344054; white-space: nowrap;
}
.readonly-chip { color: #175cd3; background: var(--accent-soft); border-color: #b2ccff; }
.chip.warning { color: var(--warning); background: var(--warning-bg); border-color: #fed7aa; }

.page-shell { width: min(1420px, 100%); margin: 0 auto; padding: 24px max(22px, env(safe-area-inset-right)) 34px max(22px, env(safe-area-inset-left)); }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 14px; }
.metric-card, .panel, .account-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow);
}
.metric-card { padding: 17px; }
.metric-card span { display: block; color: var(--muted); font-size: 13px; }
.metric-card strong { display: block; margin-top: 8px; font-size: 27px; letter-spacing: -.02em; }
.metric-card .metric-time { font-size: 15px; line-height: 1.4; }
.two-column { display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; margin-bottom: 14px; }
.panel { padding: 18px; }
.section-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; margin-bottom: 14px; }
.todo-row { padding: 11px 0; border-bottom: 1px solid var(--border); }
.todo-row:last-child { border-bottom: 0; }
.todo-row p { margin: 5px 0 0; font-size: 13px; line-height: 1.45; }
.boundary-list { margin: 0; }
.boundary-list div { display: grid; grid-template-columns: 86px 1fr; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--border); }
.boundary-list div:last-child { border-bottom: 0; }
.boundary-list dt { color: var(--muted); font-size: 13px; }
.boundary-list dd { margin: 0; font-size: 13px; line-height: 1.45; }
.account-toolbar { align-items: center; }
.filters { display: flex; gap: 8px; width: min(560px, 55%); }
.filters input, .filters select, .login-form input {
  width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #d0d5dd; border-radius: 10px;
  background: #fff; color: var(--text); outline: none;
}
.filters input:focus, .filters select:focus, .login-form input:focus { border-color: #84adff; box-shadow: 0 0 0 3px #eff4ff; }
.filters select { width: 180px; }
.account-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.account-card { padding: 15px; box-shadow: none; }
.account-head { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.account-identity { min-width: 0; }
.account-identity p { margin-bottom: 0; font-size: 12px; }
.account-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; margin: 14px 0 10px; }
.account-metric { min-width: 0; padding: 9px; border-radius: 10px; background: #f8fafc; }
.account-metric span { display: block; color: var(--muted); font-size: 10px; line-height: 1.2; }
.account-metric strong { display: block; margin-top: 6px; font-size: 14px; overflow: hidden; text-overflow: ellipsis; }
.account-summary { display: flex; flex-wrap: wrap; gap: 5px 12px; color: #475467; font-size: 11px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; min-height: 28px; margin-top: 12px; }
.chip { min-height: 24px; padding: 3px 7px; font-size: 10px; }

.ghost-button, .link-button, .primary-button {
  border-radius: 10px; min-height: 42px; padding: 9px 13px; border: 1px solid #d0d5dd; background: #fff; color: #344054;
}
.primary-button { width: 100%; border-color: var(--accent); background: var(--accent); color: #fff; font-weight: 700; }
.link-button { border: 0; padding: 2px 0; min-height: 30px; color: var(--accent); background: transparent; text-align: left; }
.page-footer { display: flex; justify-content: space-between; gap: 16px; padding: 18px max(22px, env(safe-area-inset-right)) calc(18px + env(safe-area-inset-bottom)) max(22px, env(safe-area-inset-left)); border-top: 1px solid var(--border); color: var(--muted); font-size: 12px; }
.alert { padding: 12px 14px; margin-bottom: 14px; border: 1px solid #fecdca; border-radius: 10px; background: #fef3f2; color: #b42318; font-size: 13px; }

.auth-body { display: grid; place-items: center; padding: max(24px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left)); }
.auth-shell { width: min(460px, 100%); }
.auth-card { padding: 30px; border: 1px solid var(--border); border-radius: 20px; background: #fff; box-shadow: 0 24px 60px rgba(17,24,39,.12); }
.brand-mark { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 18px; border-radius: 13px; background: var(--text); color: #fff; font-weight: 800; }
.login-form { display: grid; gap: 13px; margin-top: 22px; }
.login-form label > span:first-child { display: block; margin-bottom: 6px; color: #344054; font-size: 13px; font-weight: 600; }
.captcha-row { display: grid; grid-template-columns: 1fr 170px; gap: 8px; align-items: center; }
.captcha-row img { width: 170px; height: 56px; border: 1px solid var(--border); border-radius: 10px; background: #f8fafc; }
.security-note { margin: 18px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }

@media (max-width: 1120px) {
  .account-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .two-column { grid-template-columns: 1fr; }
  .account-toolbar { align-items: stretch; flex-direction: column; }
  .filters { width: 100%; }
  .account-grid { grid-template-columns: 1fr; }
  .topbar { position: relative; align-items: flex-start; }
  .build-badge { display: none; }
}
@media (max-width: 540px) {
  .page-shell { padding-top: 16px; }
  .metrics { gap: 8px; }
  .metric-card, .panel { border-radius: 13px; }
  .metric-card { padding: 13px; }
  .metric-card strong { font-size: 22px; }
  .filters { flex-direction: column; }
  .filters select { width: 100%; }
  .account-metrics { grid-template-columns: repeat(2, 1fr); }
  .page-footer { flex-direction: column; }
  .auth-card { padding: 22px; }
  .captcha-row { grid-template-columns: 1fr; }
}