:root {
  color-scheme: dark;
  --bg: #0a0f18;
  --bg-2: #101828;
  --panel: rgba(14, 20, 32, 0.88);
  --panel-strong: rgba(18, 26, 41, 0.96);
  --line: rgba(148, 163, 184, 0.16);
  --line-strong: rgba(148, 163, 184, 0.28);
  --text: #e5eefc;
  --muted: #89a0c7;
  --accent: #61d7ff;
  --accent-2: #a4ffcf;
  --warning: #f9c74f;
  --danger: #ff7d8a;
  --success: #63e6be;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background:
    radial-gradient(circle at 14% 14%, rgba(97, 215, 255, 0.13), transparent 22%),
    radial-gradient(circle at 84% 12%, rgba(164, 255, 207, 0.12), transparent 20%),
    radial-gradient(circle at 50% 96%, rgba(249, 199, 79, 0.08), transparent 20%),
    linear-gradient(180deg, #070b12 0%, #0b1220 45%, #09101a 100%);
  color: var(--text);
}

body {
  overflow-x: hidden;
}

.bg-grid,
.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.bg-grid {
  opacity: 0.3;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.85), transparent 85%);
}

.bg-glow {
  filter: blur(64px);
  opacity: 0.55;
}

.bg-glow-a {
  background: radial-gradient(circle, rgba(97, 215, 255, 0.18), transparent 55%);
  top: -8%;
  left: -8%;
}

.bg-glow-b {
  background: radial-gradient(circle, rgba(164, 255, 207, 0.16), transparent 55%);
  bottom: -10%;
  right: -10%;
}

.shell,
.login-screen {
  position: relative;
  z-index: 1;
}

[hidden] {
  display: none !important;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
}

.login-card {
  width: min(520px, 100%);
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(18, 26, 41, 0.96), rgba(9, 14, 24, 0.96));
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.login-brand,
.brand-lockup {
  display: flex;
  align-items: center;
  gap: 16px;
}

.login-brand h1,
.brand-lockup strong {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0.02em;
}

.login-brand p,
.brand-lockup span,
.login-tip,
.panel-head p,
.section-head p,
.title-wrap p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #06121f;
  background: linear-gradient(135deg, #8af1ff 0%, #6bffca 100%);
  box-shadow: 0 14px 32px rgba(97, 215, 255, 0.35);
}

.login-form {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.login-form label,
.settings-form label,
.modal-form label {
  display: grid;
  gap: 8px;
}

.login-form span,
.settings-form span,
.modal-form span {
  font-size: 13px;
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(6, 10, 18, 0.9);
  color: var(--text);
  padding: 14px 16px;
  outline: none;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  font: inherit;
}

textarea {
  resize: vertical;
  min-height: 110px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(97, 215, 255, 0.7);
  box-shadow: 0 0 0 4px rgba(97, 215, 255, 0.12);
}

.primary-btn,
.ghost-btn,
.icon-btn,
.nav-item,
.search-chip button,
.pager button {
  border: 0;
  border-radius: 14px;
  cursor: pointer;
  font: inherit;
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.primary-btn {
  background: linear-gradient(135deg, #61d7ff, #62f1c6);
  color: #04101b;
  font-weight: 700;
  box-shadow: 0 18px 34px rgba(97, 215, 255, 0.2);
  padding: 13px 18px;
}

.primary-btn:hover,
.ghost-btn:hover,
.icon-btn:hover,
.nav-item:hover,
.search-chip button:hover,
.pager button:hover {
  transform: translateY(-1px);
}

.ghost-btn,
.icon-btn,
.nav-item {
  background: rgba(18, 26, 41, 0.8);
  color: var(--text);
  border: 1px solid var(--line);
}

.ghost-btn {
  padding: 12px 16px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  font-size: 22px;
  line-height: 1;
}

.login-tip {
  margin-top: 18px;
  font-size: 13px;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
}

.sidebar {
  position: sticky;
  top: 18px;
  height: calc(100vh - 36px);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(16, 24, 40, 0.95), rgba(10, 15, 24, 0.92));
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.sidebar-head,
.sidebar-foot {
  display: grid;
  gap: 16px;
}

.nav {
  display: grid;
  gap: 10px;
  align-content: start;
}

.nav-item {
  width: 100%;
  padding: 14px 16px;
  text-align: left;
  color: var(--muted);
}

.nav-item.is-active {
  color: #03111b;
  background: linear-gradient(135deg, rgba(97, 215, 255, 1), rgba(164, 255, 207, 1));
  border-color: transparent;
  font-weight: 700;
}

.meta-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(8, 13, 22, 0.7);
  border: 1px solid var(--line);
  display: grid;
  gap: 8px;
}

.meta-label,
.eyebrow,
.hero-kicker {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.workspace {
  min-width: 0;
  display: grid;
  gap: 18px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(12, 18, 29, 0.82);
  backdrop-filter: blur(16px);
}

.title-wrap h2,
.section-head h3,
.hero-panel h3 {
  margin: 6px 0 8px;
  font-size: 30px;
  line-height: 1.08;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.search-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(6, 10, 18, 0.7);
}

.search-chip input {
  width: min(360px, 44vw);
  border: 0;
  background: transparent;
  padding: 8px 10px;
}

.search-chip button {
  padding: 10px 14px;
  background: rgba(97, 215, 255, 0.14);
  color: var(--text);
  border: 1px solid rgba(97, 215, 255, 0.22);
}

.session-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(6, 10, 18, 0.7);
  color: var(--muted);
}

.session-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 6px rgba(99, 230, 190, 0.12);
}

.content {
  min-width: 0;
  display: grid;
  gap: 18px;
}

.view {
  display: none;
  gap: 18px;
}

.view.is-active {
  display: grid;
}

.hero-panel,
.panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(15, 22, 35, 0.96), rgba(9, 14, 24, 0.92));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-panel {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-end;
  padding: 24px 24px 28px;
}

.hero-panel p {
  margin: 0;
  color: var(--muted);
}

.hero-chip {
  min-width: 240px;
  padding: 18px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(97, 215, 255, 0.13), rgba(164, 255, 207, 0.08));
  border: 1px solid rgba(97, 215, 255, 0.2);
  display: grid;
  gap: 6px;
}

.hero-chip span {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

.metric-card {
  padding: 20px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(12, 18, 29, 0.84);
  display: grid;
  gap: 10px;
}

.metric-label {
  color: var(--muted);
  font-size: 13px;
}

.metric-value {
  font-size: 34px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.metric-foot {
  font-size: 12px;
  color: var(--muted);
}

.chart-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
}

.panel {
  padding: 22px;
}

.panel-head,
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}

.panel-head h4 {
  margin: 0 0 6px;
  font-size: 18px;
}

.chart-wrap {
  overflow: hidden;
}

.sparkline {
  width: 100%;
  height: auto;
  display: block;
}

.chart-grid-line {
  stroke: rgba(148, 163, 184, 0.15);
  stroke-width: 1;
}

.chart-label {
  fill: var(--muted);
  font-size: 12px;
}

.bar-list {
  display: grid;
  gap: 14px;
}

.bar-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) 56px;
  gap: 12px;
  align-items: center;
}

.bar-row strong,
.bar-row span {
  font-size: 13px;
}

.bar-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.12);
  overflow: hidden;
}

.bar-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #61d7ff, #63e6be);
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 820px;
}

th,
td {
  padding: 14px 12px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

td {
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

td .subtle {
  color: var(--muted);
  display: block;
  margin-top: 6px;
}

.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.table-actions .ghost-btn,
.table-actions .primary-btn {
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 13px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.1);
  color: var(--muted);
  font-size: 12px;
}

.status-pill::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.is-success {
  color: var(--success);
}

.is-failed,
.is-danger {
  color: var(--danger);
}

.is-warning {
  color: var(--warning);
}

.is-info {
  color: var(--accent);
}

.section-head {
  margin-bottom: 0;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.filter-row input,
.filter-row select {
  min-width: 210px;
  padding: 12px 14px;
}

.settings-form,
.modal-form {
  display: grid;
  gap: 16px;
}

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

.settings-form .full,
.modal-form .full {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.checkbox-line {
  grid-auto-flow: column;
  justify-content: start;
  align-items: center;
  gap: 12px;
  color: var(--muted);
}

.checkbox-line input {
  width: 18px;
  height: 18px;
  margin: 0;
}

.pager {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  color: var(--muted);
}

.pager button {
  min-width: 40px;
  padding: 10px 12px;
  color: var(--text);
  background: rgba(97, 215, 255, 0.1);
  border: 1px solid rgba(97, 215, 255, 0.18);
}

.pager .pager-info {
  padding: 0 8px;
}

.empty-state {
  padding: 38px 24px;
  text-align: center;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 12, 0.74);
  display: grid;
  place-items: center;
  padding: 22px;
  z-index: 50;
}

.modal-card {
  width: min(560px, 100%);
  padding: 24px;
  border-radius: 26px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 26, 41, 0.98), rgba(9, 14, 24, 0.98));
  box-shadow: var(--shadow);
}

.modal-card-wide {
  width: min(760px, 100%);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.toast-stack {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  display: grid;
  gap: 12px;
}

.toast {
  min-width: 260px;
  max-width: 360px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(9, 14, 24, 0.94);
  box-shadow: var(--shadow);
}

.toast strong {
  display: block;
  margin-bottom: 4px;
}

.toast p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 1280px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    top: 0;
    height: auto;
  }

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

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

@media (max-width: 920px) {
  .topbar,
  .hero-panel,
  .section-head,
  .modal-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .settings-form {
    grid-template-columns: 1fr;
  }

  .filter-row input,
  .filter-row select,
  .search-chip input {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 720px) {
  .shell,
  .login-screen {
    padding: 14px;
  }

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

  .sidebar {
    padding: 18px;
  }

  .topbar,
  .panel,
  .hero-panel {
    border-radius: 22px;
  }
}