:root {
  color-scheme: light;
  --page: #f6f7fb;
  --page-glow: rgba(114, 87, 232, 0.1);
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --surface-soft: #f9f9fd;
  --surface-hover: #f1f2f8;
  --surface-tint: #f7f5ff;
  --control-bg: #ffffff;
  --text: #202535;
  --heading: #151927;
  --muted: #6f7788;
  --subtle: #9198a8;
  --border: #e3e5ed;
  --border-strong: #d5d8e3;
  --accent: #7055e8;
  --accent-hover: #6045d7;
  --accent-soft: #efebff;
  --accent-text: #674bdc;
  --accent-line: rgba(112, 85, 232, 0.15);
  --success: #20885b;
  --success-soft: #e8f7f0;
  --success-border: #cdeade;
  --danger: #d84d4d;
  --danger-soft: #fff0ef;
  --danger-border: #f2cfcc;
  --code-bg: #f5f6fa;
  --shadow: 0 20px 60px rgba(34, 39, 60, 0.1);
  --brand-shadow: 0 12px 28px rgba(103, 75, 220, 0.24);
  --chart-tooltip-bg: #ffffff;
  --chart-tooltip-border: #dfe2eb;
  --chart-grid: #eceef4;
  color: var(--text);
  background: var(--page);
  font-family:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
}

[data-theme="dark"] {
  color-scheme: dark;
  --page: #0b0d11;
  --page-glow: rgba(134, 92, 255, 0.11);
  --surface: #11141a;
  --surface-raised: #14171d;
  --surface-soft: #0d1015;
  --surface-hover: #191d25;
  --surface-tint: #151321;
  --control-bg: #171a20;
  --text: #eef1f6;
  --heading: #eef1f6;
  --muted: #8b93a2;
  --subtle: #737c8c;
  --border: #242831;
  --border-strong: #30343d;
  --accent: #8d73ff;
  --accent-hover: #9b84ff;
  --accent-soft: #28233c;
  --accent-text: #b9abff;
  --accent-line: rgba(141, 115, 255, 0.14);
  --success: #72d9a5;
  --success-soft: #183226;
  --success-border: #24342e;
  --danger: #ff776f;
  --danger-soft: #291817;
  --danger-border: #5a302f;
  --code-bg: #0c0f14;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.4);
  --brand-shadow: 0 12px 30px rgba(112, 80, 235, 0.32);
  --chart-tooltip-bg: #171a20;
  --chart-tooltip-border: #30343d;
  --chart-grid: #222730;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 0%, var(--page-glow), transparent 32rem),
    var(--page);
  transition: background-color 160ms ease, color 160ms ease;
}

button {
  font: inherit;
}

main {
  width: min(1500px, calc(100% - 48px));
  margin: 0 auto;
  padding: 44px 0 72px;
}

main.analytics-main {
  width: min(1180px, calc(100% - 48px));
}

header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

h1 {
  margin: 0;
  font-size: clamp(36px, 4vw, 58px);
  letter-spacing: -0.045em;
  color: var(--heading);
}

.subtitle {
  margin: 12px 0 0;
  color: var(--muted);
}

#refresh {
  min-width: 92px;
  padding: 11px 18px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  color: var(--text);
  background: var(--control-bg);
  cursor: pointer;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-actions form {
  margin: 0;
}

.logout-button {
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
}

.logout-button:hover {
  color: var(--text);
  background: var(--surface-hover);
}

#refresh:hover {
  border-color: var(--accent);
}

.theme-control {
  position: relative;
  display: flex;
  align-items: center;
}

.theme-control::before {
  position: absolute;
  left: 12px;
  z-index: 1;
  color: var(--muted);
  content: "◐";
  font-size: 13px;
  pointer-events: none;
}

.theme-control select {
  min-height: 42px;
  padding: 0 34px 0 31px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  outline: none;
  color: var(--text);
  background: var(--control-bg);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.theme-control select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-line);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  padding: 0;
  margin: -1px;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#refresh:disabled {
  opacity: 0.45;
  cursor: wait;
}

.module-nav {
  display: inline-flex;
  gap: 4px;
  margin-bottom: 18px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-raised) 88%, transparent);
}

.module-nav a {
  padding: 9px 15px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  transition: color 120ms ease, background-color 120ms ease;
}

.module-nav a:hover {
  color: var(--text);
  background: var(--surface-hover);
}

.module-nav a.is-active {
  color: var(--accent-text);
  background: var(--accent-soft);
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.summary article {
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-raised);
  box-shadow: 0 8px 24px rgba(34, 39, 60, 0.035);
}

.summary span {
  display: block;
  margin-bottom: 9px;
  color: var(--subtle);
  font-size: 12px;
}

.summary strong {
  font-size: 25px;
}

.login-analytics {
  margin-bottom: 16px;
  padding: 20px;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
  border-radius: 16px;
  background:
    linear-gradient(145deg, var(--surface-tint), var(--surface) 48%);
  box-shadow: 0 10px 30px rgba(53, 47, 88, 0.04);
}

.analytics-card {
  min-height: 520px;
  margin-bottom: 0;
  padding: 28px;
}

.login-analytics__heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.login-analytics__heading h2 {
  margin: 8px 0 4px;
  font-size: 20px;
}

.login-analytics__heading p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.login-analytics__heading > span {
  color: var(--subtle);
  font-size: 11px;
}

.company-event-badge {
  display: inline-block;
  padding: 4px 7px;
  border-radius: 6px;
  color: var(--accent-text);
  background: var(--accent-soft);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.login-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 20px 0 12px;
}

.login-metrics article {
  padding: 13px 15px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: color-mix(in srgb, var(--surface-soft) 82%, transparent);
}

.login-metrics span {
  display: block;
  margin-bottom: 6px;
  color: var(--subtle);
  font-size: 10px;
}

.login-metrics strong {
  font-size: 21px;
}

.login-chart {
  width: 100%;
  height: 290px;
}

.analytics-card .login-chart {
  height: 360px;
}

.inline-error {
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px solid var(--danger-border);
  border-radius: 10px;
  color: var(--danger);
  background: var(--danger-soft);
  font-size: 12px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(360px, 0.86fr) minmax(460px, 1.14fr);
  min-height: 620px;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 12px 34px rgba(34, 39, 60, 0.045);
}

.list-panel {
  min-width: 0;
  border-right: 1px solid var(--border);
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px;
  border-bottom: 1px solid var(--border);
}

.panel-heading h2,
.detail-panel h2 {
  margin: 0;
}

.panel-heading span {
  color: var(--subtle);
  font-size: 12px;
}

.error-list {
  max-height: 720px;
  overflow: auto;
}

.error-card {
  display: block;
  width: 100%;
  padding: 18px 22px;
  border: 0;
  border-bottom: 1px solid var(--border);
  color: inherit;
  text-align: left;
  background: transparent;
  cursor: pointer;
}

.error-card:hover,
.error-card.is-selected {
  background: var(--surface-hover);
}

.error-card.is-selected {
  box-shadow: inset 3px 0 var(--accent);
}

.error-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 9px;
}

.error-type {
  color: var(--danger);
  font-size: 12px;
  font-weight: 750;
}

.error-count {
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--accent-text);
  background: var(--accent-soft);
  font-size: 11px;
}

.error-message {
  display: -webkit-box;
  overflow: hidden;
  margin-bottom: 9px;
  font-size: 14px;
  line-height: 1.45;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.error-meta {
  color: var(--muted);
  font-size: 11px;
}

.detail-panel {
  min-width: 0;
  padding: 28px;
  overflow: auto;
}

.detail-heading span {
  color: var(--danger);
  font-size: 12px;
  font-weight: 750;
}

.detail-heading h2 {
  margin-top: 8px;
  font-size: 22px;
  line-height: 1.35;
}

dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 26px 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

dl div {
  min-width: 0;
  padding: 13px 15px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

dt {
  margin-bottom: 5px;
  color: var(--subtle);
  font-size: 11px;
}

dd {
  overflow: hidden;
  margin: 0;
  color: var(--text);
  font-size: 13px;
  text-overflow: ellipsis;
}

.detail-panel h3 {
  margin: 24px 0 10px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

pre {
  overflow: auto;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  background: var(--code-bg);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.breadcrumbs {
  margin: 0;
  padding: 12px 12px 12px 36px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  background: var(--code-bg);
  font-size: 12px;
  line-height: 1.7;
}

.empty-state,
.loading {
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 460px;
  color: var(--subtle);
  text-align: center;
}

.empty-state.compact,
.error-list .loading {
  min-height: 320px;
  padding: 36px;
}

.empty-state h2 {
  margin: 13px 0 2px;
  color: var(--heading);
  font-size: 18px;
}

.empty-state p {
  margin: 6px 0;
  font-size: 13px;
}

.empty-mark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--border));
  border-radius: 50%;
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 800;
}

.login-page {
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 20% 10%, var(--page-glow), transparent 28rem),
    radial-gradient(circle at 85% 90%, rgba(70, 209, 143, 0.08), transparent 24rem),
    var(--page);
}

.login-shell {
  display: grid;
  width: 100%;
  min-height: calc(100vh - 48px);
  margin: 0;
  padding: 0;
  place-items: center;
}

.login-card {
  width: min(100%, 430px);
  padding: 42px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: color-mix(in srgb, var(--surface-raised) 94%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.login-brand {
  position: relative;
  width: 46px;
  height: 46px;
  margin-bottom: 28px;
  border-radius: 14px;
  background: linear-gradient(145deg, #9b84ff, #6849e7);
  box-shadow: var(--brand-shadow);
}

.login-brand span {
  position: absolute;
  width: 11px;
  height: 25px;
  border-radius: 8px;
  background: #fff;
  transform: rotate(38deg);
}

.login-brand span:first-child {
  top: 7px;
  left: 13px;
}

.login-brand span:last-child {
  right: 12px;
  bottom: 6px;
  opacity: 0.72;
}

.login-card h1 {
  font-size: 36px;
}

.login-subtitle {
  margin: 12px 0 28px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.login-error {
  margin: -8px 0 20px;
  padding: 11px 13px;
  border: 1px solid var(--danger-border);
  border-radius: 10px;
  color: var(--danger);
  background: var(--danger-soft);
  font-size: 12px;
}

.login-form {
  display: grid;
  gap: 18px;
}

.login-form label,
.login-form label span {
  display: block;
}

.login-form label span {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.login-form input {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 11px;
  outline: none;
  color: var(--text);
  background: var(--surface-soft);
  font: inherit;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

.login-form input::placeholder {
  color: var(--subtle);
}

.login-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-line);
}

.login-form button {
  margin-top: 5px;
  padding: 13px 18px;
  border: 0;
  border-radius: 11px;
  color: #fff;
  background: linear-gradient(135deg, #8d72ff, #694bea);
  box-shadow: var(--brand-shadow);
  font-weight: 750;
  cursor: pointer;
}

.login-form button:hover {
  filter: brightness(1.08);
}

.login-footnote {
  margin: 20px 0 0;
  color: var(--subtle);
  font-size: 11px;
  text-align: center;
}

.login-theme {
  position: fixed;
  top: 22px;
  right: 22px;
  z-index: 2;
}

@media (max-width: 900px) {
  main {
    width: min(100% - 24px, 700px);
    padding-top: 26px;
  }

  .summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .login-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .list-panel {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .error-list {
    max-height: 460px;
  }

  dl {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .login-page {
    padding: 14px;
  }

  .login-shell {
    min-height: calc(100vh - 28px);
  }

  .login-card {
    padding: 30px 24px;
  }

  .login-theme {
    top: 14px;
    right: 14px;
  }

  header {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .module-nav {
    display: flex;
  }

  .module-nav a {
    flex: 1;
    text-align: center;
  }

  .analytics-card {
    min-height: 470px;
    padding: 20px;
  }

  .analytics-card .login-chart {
    height: 300px;
  }
}