:root {
  --bg: #07101b;
  --panel: rgba(9, 20, 35, 0.78);
  --panel-strong: rgba(11, 24, 41, 0.92);
  --text: #eef6ff;
  --text-dim: rgba(227, 239, 255, 0.72);
  --text-faint: rgba(227, 239, 255, 0.54);
  --border: rgba(152, 192, 255, 0.16);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --accent: #6ce5ff;
  --accent-strong: #21b8ff;
  --accent-rgb: 108, 229, 255;
  --success: #65f0b7;
  --danger: #ff8db5;
  --font-sans: "Avenir Next", "Segoe UI Variable Display", "Trebuchet MS", sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Mono", "SFMono-Regular", monospace;
  --card-bg: linear-gradient(180deg, rgba(11, 24, 41, 0.9), rgba(9, 18, 31, 0.82));
  --nebula-bg-image: none;
}

:root[data-theme-mode="light"] {
  --bg: #eef4fb;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-strong: rgba(255, 255, 255, 0.96);
  --text: #142235;
  --text-dim: rgba(20, 34, 53, 0.72);
  --text-faint: rgba(20, 34, 53, 0.56);
  --border: rgba(75, 104, 145, 0.16);
  --shadow: 0 18px 45px rgba(39, 61, 92, 0.12);
  --card-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 255, 0.92));
}

:root[data-accent="sunset"] {
  --accent: #ffc177;
  --accent-strong: #ff8f40;
  --accent-rgb: 255, 193, 119;
}

:root[data-accent="ember"] {
  --accent: #ff97b9;
  --accent-strong: #ff5e92;
  --accent-rgb: 255, 151, 185;
}

:root[data-accent="violet"] {
  --accent: #b6a4ff;
  --accent-strong: #776dff;
  --accent-rgb: 182, 164, 255;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    var(--nebula-bg-image) center / cover fixed no-repeat,
    radial-gradient(circle at top left, rgba(var(--accent-rgb), 0.16), transparent 30%),
    radial-gradient(circle at top right, rgba(255, 201, 122, 0.12), transparent 22%),
    linear-gradient(180deg, #050d16 0%, #07101b 48%, #040a12 100%);
  color: var(--text);
  font-family: var(--font-sans);
}

:root[data-theme-mode="light"] html,
:root[data-theme-mode="light"] body {
  background:
    var(--nebula-bg-image) center / cover fixed no-repeat,
    radial-gradient(circle at top left, rgba(var(--accent-rgb), 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(255, 201, 122, 0.14), transparent 22%),
    linear-gradient(180deg, #f7fbff 0%, #eef4fb 48%, #e7eef8 100%);
}

body {
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

body::before {
  background-image:
    linear-gradient(rgba(155, 192, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 192, 255, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.78), transparent 88%);
}

body::after {
  background:
    radial-gradient(circle at 12% 20%, rgba(var(--accent-rgb), 0.2), transparent 24%),
    radial-gradient(circle at 82% 12%, rgba(255, 201, 122, 0.14), transparent 18%),
    radial-gradient(circle at 50% 88%, rgba(113, 162, 255, 0.12), transparent 18%);
  filter: blur(28px);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

select {
  font: inherit;
}

button {
  cursor: pointer;
}

#app {
  position: relative;
  min-height: 100vh;
}

.glass-card,
.nebula-loading__card {
  border: 1px solid var(--border);
  background: var(--card-bg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.nebula-loading {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.nebula-loading__card {
  width: min(540px, 100%);
  padding: 28px;
  border-radius: var(--radius-xl);
}

.nebula-loading__card h1 {
  margin: 18px 0 10px;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1;
}

.nebula-loading__card p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.7;
}

.nebula-pill,
.tiny-pill,
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid rgba(var(--accent-rgb), 0.24);
  background: rgba(var(--accent-rgb), 0.08);
}

.nebula-pill {
  padding: 8px 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.tiny-pill,
.status-chip {
  padding: 6px 12px;
  font-size: 12px;
  color: var(--text-dim);
}

.status-chip.online {
  color: var(--success);
  border-color: rgba(101, 240, 183, 0.24);
  background: rgba(101, 240, 183, 0.08);
}

.status-chip.offline {
  color: var(--danger);
  border-color: rgba(255, 141, 181, 0.24);
  background: rgba(255, 141, 181, 0.08);
}

.status-chip.pending {
  color: #f6b84f;
  border-color: rgba(246, 184, 79, 0.24);
  background: rgba(246, 184, 79, 0.1);
}

.status-chip.neutral {
  color: var(--text-dim);
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.app-shell {
  width: min(1400px, calc(100vw - 32px));
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 24px 0 20px;
  position: relative;
  z-index: 1;
}

.record-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: auto;
  padding: 28px 0 6px;
  color: var(--text-faint);
  font-size: 12px;
  line-height: 1.6;
}

.record-divider {
  opacity: 0.48;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0 24px;
}

.nebula-topbar {
  padding: 18px 22px;
  border-radius: 26px;
  margin-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border-radius: 16px;
  border: 1px solid rgba(var(--accent-rgb), 0.28);
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.24), transparent 40%),
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.35), rgba(255, 212, 121, 0.12));
  box-shadow: inset 0 0 24px rgba(var(--accent-rgb), 0.16);
}

.brand-mark--image {
  display: grid;
  place-items: center;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 26px rgba(10, 20, 36, 0.14);
}

.brand-mark--image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
}

:root[data-theme-mode="light"] .brand-mark--image {
  border-color: rgba(75, 104, 145, 0.18);
  box-shadow: 0 10px 24px rgba(39, 61, 92, 0.1);
}

.brand h1,
.brand p,
.section-head h3,
.hero h2,
.auth-panel h2 {
  margin: 0;
}

.hero-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.hero {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 100%;
  padding: 34px 34px 38px;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  pointer-events: none;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.45));
}

.hero-copy-block {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  justify-content: space-between;
  gap: clamp(34px, 6vh, 56px);
  min-height: 0;
  padding: 26px 0 4px;
  position: relative;
  z-index: 1;
}

.hero-description {
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.5;
}

.hero-subcopy {
  display: block;
  margin-top: 14px;
}

.hero-metric-label {
  margin-top: 12px;
  font-size: clamp(1.05rem, 1.9vw, 1.35rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-dim);
}

.hero-metric-stack {
  display: grid;
  gap: clamp(16px, 2.3vh, 26px);
  margin: auto 0;
  align-content: start;
  justify-items: start;
  width: 100%;
}

.hero-metric-line {
  font-size: clamp(3.4rem, 6.6vw, 5.9rem);
  font-weight: 760;
  line-height: 0.86;
  letter-spacing: -0.095em;
  font-style: italic;
  white-space: nowrap;
  text-wrap: nowrap;
  text-align: left;
}

.hero-metric-value {
  font-size: clamp(3.4rem, 6.4vw, 5.9rem);
  font-weight: 760;
  line-height: 0.86;
  letter-spacing: -0.095em;
  white-space: nowrap;
  text-wrap: nowrap;
  text-align: left;
}

.hero-metric-value em {
  font-style: italic;
}

.hero-custom-line {
  margin: 18px 0 0;
  font-size: clamp(2.4rem, 4.5vw, 4.15rem);
  font-weight: 760;
  line-height: 0.9;
  letter-spacing: -0.085em;
  font-style: italic;
  color: color-mix(in srgb, var(--text-main) 78%, transparent);
  width: 100%;
  white-space: normal;
  text-wrap: balance;
  text-align: left;
  opacity: 0.88;
}

.auth-panel-heading {
  display: grid;
  gap: 10px;
  margin: 16px 0 12px;
}

.auth-panel-eyebrow {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}

@media (min-width: 1181px) {
  .auth-grid .hero {
    min-height: 560px;
  }
}

.brand p,
.hero p,
.auth-panel p,
.section-copy,
.footer-note {
  color: var(--text-dim);
}

.topbar-actions,
.form-actions,
.toolbar,
.inline-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  color: #06111b;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 12px 30px rgba(var(--accent-rgb), 0.18);
  font-weight: 700;
}

.btn-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.btn-ghost {
  color: var(--text-dim);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

:root[data-theme-mode="light"] .btn-secondary,
:root[data-theme-mode="light"] .btn-ghost {
  background: rgba(20, 34, 53, 0.035);
  border-color: rgba(75, 104, 145, 0.16);
}

.auth-grid,
.dashboard-grid,
.dashboard-hero,
.dashboard-stat-grid,
.metric-strip,
.kpi-row,
.ip-list,
.session-list,
.node-list,
.notice-list,
.stack {
  display: grid;
  gap: 14px;
}

.auth-grid {
  grid-template-columns: 1.34fr 0.78fr;
  align-items: stretch;
}

.hero,
.auth-panel,
.section-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: 34px;
}

.auth-panel {
  width: min(100%, 460px);
  justify-self: end;
  display: flex;
  flex-direction: column;
  margin-top: 0;
}

.hero::before,
.auth-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(130deg, rgba(255, 255, 255, 0.08), transparent 38%, rgba(var(--accent-rgb), 0.1));
}

.hero h2,
.auth-panel h2 {
  margin: 14px 0 12px;
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.auth-panel-heading h2 {
  margin: 0;
}

.auth-panel form[data-form] {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 14px;
  min-height: 100%;
}

.auth-panel .form-actions {
  margin-top: 18px;
  padding-top: 8px;
}

.auth-panel .form-actions .btn-primary {
  width: 100%;
  justify-content: center;
}

.hero h2 {
  margin-bottom: 0;
}

.hero .hero-metric-label {
  margin-top: 0;
}

.metric-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
}

.metric-box,
.dashboard-stat,
.kpi-box,
.token-field,
.ip-item,
.session-item,
.node-item,
.notice-item,
.message-banner,
.empty-state {
  border-radius: var(--radius-md);
  padding: 16px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.metric-box .value,
.dashboard-stat .value,
.kpi-value {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.kpi-box {
  min-width: 0;
}

.kpi-label {
  white-space: nowrap;
}

.kpi-value {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.section-card--overview .kpi-value {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
}

.section-card--overview .kpi-box:nth-child(1) .kpi-value,
.section-card--overview .kpi-box:nth-child(4) .kpi-value {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: normal;
}

.section-card--overview .kpi-box:nth-child(4) .kpi-value span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metric-box .label,
.dashboard-stat .label,
.kpi-label,
.meta-label {
  display: block;
  margin-top: 8px;
  color: var(--text-faint);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.message-banner {
  margin-bottom: 16px;
  color: var(--text-dim);
}

.message-banner.error {
  color: var(--danger);
  border-color: rgba(255, 141, 181, 0.22);
  background: rgba(255, 141, 181, 0.08);
}

.message-banner.success {
  color: var(--success);
  border-color: rgba(101, 240, 183, 0.22);
  background: rgba(101, 240, 183, 0.08);
}

.form-tabs {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

:root[data-theme-mode="light"] .form-tabs {
  background: rgba(20, 34, 53, 0.03);
  border-color: rgba(75, 104, 145, 0.14);
}

.form-tab {
  border: 0;
  background: transparent;
  color: var(--text-dim);
  border-radius: 999px;
  padding: 10px 14px;
}

.form-tab.active {
  color: #07111d;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  font-weight: 700;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 13px;
  color: var(--text-dim);
}

.field-help {
  color: var(--text-faint);
  font-size: 12px;
  line-height: 1.7;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 14px 16px;
  outline: none;
}

.field select {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 14px 16px;
  outline: none;
}

:root[data-theme-mode="light"] .field input,
:root[data-theme-mode="light"] .field textarea,
:root[data-theme-mode="light"] .field select {
  background: rgba(20, 34, 53, 0.035);
  border-color: rgba(75, 104, 145, 0.16);
}

.field input:focus,
.field textarea:focus {
  border-color: rgba(var(--accent-rgb), 0.45);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.1);
}

.node-search-input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  padding: 8px 14px;
  font-size: 14px;
  width: 180px;
  outline: none;
  transition: all 0.2s ease;
}

.node-search-input:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(var(--accent-rgb), 0.5);
  width: 240px;
}

:root[data-theme-mode="light"] .node-search-input {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.1);
}

.node-action-btn {
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  padding: 6px 14px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
  white-space: nowrap;
  cursor: pointer;
}

.node-action-btn:hover {
  background: var(--accent);
  color: #08101c;
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.3);
}

.node-action-btn:active {
  transform: translateY(0);
}

:root[data-theme-mode="light"] .node-action-btn {
  background: rgba(var(--accent-rgb), 0.08);
  border-color: rgba(var(--accent-rgb), 0.15);
}

:root[data-theme-mode="light"] .node-action-btn:hover {
  color: #fff;
}

.node-info-pre {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 12px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--accent);
  overflow-x: auto;
  white-space: pre-wrap;
  border: 1px solid var(--border);
  margin: 10px 0;
  max-height: 300px;
}

.input-with-button {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.input-with-button input {
  flex: 1;
  min-width: 0;
}

.send-code-btn {
  height: 44px;
  min-width: 100px;
  padding-left: 12px;
  padding-right: 12px;
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .input-with-button {
    gap: 8px;
  }
  
  .send-code-btn {
    min-width: 80px;
    font-size: 11px;
    padding-left: 8px;
    padding-right: 8px;
  }
}

:root[data-theme-mode="light"] .node-info-pre {
  background: rgba(0, 0, 0, 0.03);
  color: var(--text);
}

.dashboard-hero {
  grid-template-columns: 1.45fr 0.85fr;
  margin-bottom: 18px;
}

.dashboard-stat-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 22px;
}

.dashboard-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.dashboard-grid--overview {
  grid-template-columns: minmax(0, 1fr);
}

.section-card--overview {
  max-width: 100%;
}

.dashboard-grid--overview .kpi-row {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.dashboard-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.dashboard-main {
  display: grid;
  gap: 18px;
}

.dashboard-sidebar {
  position: sticky;
  top: 20px;
  display: grid;
  gap: 16px;
  padding: 22px;
  border-radius: 28px;
}

.sidebar-title {
  margin: 10px 0 0;
  font-size: 1.35rem;
}

.sidebar-nav,
.sidebar-kpis {
  display: grid;
  gap: 10px;
}

.sidebar-link,
.sidebar-kpi {
  border-radius: 20px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-link {
  width: 100%;
  text-align: left;
  cursor: pointer;
  color: var(--text);
}

.sidebar-link.is-active {
  border-color: rgba(var(--accent-rgb), 0.34);
  background: rgba(var(--accent-rgb), 0.12);
  box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb), 0.12);
}

.sidebar-link strong,
.sidebar-kpi strong {
  display: block;
  font-size: 1rem;
}

.sidebar-link span {
  display: block;
  margin-top: 6px;
  color: var(--text-faint);
  font-size: 13px;
}

.sidebar-progress {
  margin-top: 0;
}

.nebula-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(320px, 0.74fr);
  gap: 18px;
  align-items: start;
}

.nebula-app-stage {
  position: relative;
  min-height: 100%;
  padding: 18px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.nebula-app-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 20%),
    radial-gradient(circle at top right, rgba(var(--accent-rgb), 0.12), transparent 24%);
}

.nebula-app-stage > #app {
  position: relative;
  z-index: 1;
}

.nebula-side-rail {
  display: grid;
  gap: 18px;
  align-content: start;
}

.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-12 { grid-column: span 12; }

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

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

.progress {
  margin-top: 16px;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

:root[data-theme-mode="light"] .progress {
  background: rgba(20, 34, 53, 0.08);
}

.progress > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

.token-field {
  font-family: var(--font-mono);
  color: var(--text-dim);
  overflow: auto;
  white-space: nowrap;
}

.token-field--masked {
  display: grid;
  gap: 8px;
  font-family: var(--font-sans);
  white-space: normal;
}

.token-field--masked strong {
  color: var(--text);
  font-size: 1rem;
}

.session-item,
.notice-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.notice-item--interactive {
  width: 100%;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.notice-item--interactive:hover {
  transform: translateY(-1px);
}

.notice-item--interactive:focus-visible {
  outline: 2px solid rgba(var(--accent-rgb), 0.45);
  outline-offset: 6px;
  border-radius: 18px;
}

.session-copy,
.node-copy,
.notice-copy {
  display: grid;
  gap: 6px;
}

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

.notice-open-indicator {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.node-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.section-card--nodes {
  overflow: visible;
}

.node-item {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
  height: 100%;
  grid-template-rows: auto auto auto;
  isolation: isolate;
}

.node-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.node-copy {
  min-width: 0;
}

.node-copy strong {
  word-break: break-word;
}

.node-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.node-spec {
  border-radius: 14px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

:root[data-theme-mode="light"] .metric-box,
:root[data-theme-mode="light"] .dashboard-stat,
:root[data-theme-mode="light"] .kpi-box,
:root[data-theme-mode="light"] .token-field,
:root[data-theme-mode="light"] .ip-item,
:root[data-theme-mode="light"] .session-item,
:root[data-theme-mode="light"] .node-item,
:root[data-theme-mode="light"] .notice-item,
:root[data-theme-mode="light"] .message-banner,
:root[data-theme-mode="light"] .empty-state,
:root[data-theme-mode="light"] .sidebar-link,
:root[data-theme-mode="light"] .sidebar-kpi {
  background: rgba(20, 34, 53, 0.035);
  border-color: rgba(75, 104, 145, 0.14);
}

.node-spec strong {
  display: block;
  margin-top: 6px;
  font-size: 14px;
}

.real-name-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.real-name-identity {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.real-name-alert {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.14);
  color: var(--text-dim);
  line-height: 1.7;
}

.real-name-alert--rejected {
  border-color: rgba(255, 141, 181, 0.22);
  background: rgba(255, 141, 181, 0.08);
  color: var(--danger);
}

.node-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

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

.node-pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.theme-switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--text);
}

.theme-switch__track {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 58px;
  height: 30px;
  padding: 0 6px;
  border-radius: 999px;
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.theme-switch__icon {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  color: var(--text-faint);
  transition: color 240ms ease;
  pointer-events: none;
}

.theme-switch.is-dark .theme-switch__icon--moon {
  color: #06111b;
}

.theme-switch.is-light .theme-switch__icon--sun {
  color: #06111b;
}

.theme-switch__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.3);
  transition: transform 320ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-switch.is-dark .theme-switch__thumb {
  transform: translateX(0);
}

.theme-switch.is-light .theme-switch__thumb {
  transform: translateX(26px);
}

:root[data-theme-mode="light"] .theme-switch__track {
  background: rgba(20, 34, 53, 0.05);
  border-color: rgba(75, 104, 145, 0.16);
}

.session-copy strong,
.node-copy strong,
.notice-copy strong {
  font-size: 15px;
}

.session-meta,
.node-meta,
.notice-meta {
  color: var(--text-faint);
  font-size: 13px;
}

.ip-list {
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

.ip-item code {
  font-family: var(--font-mono);
  color: var(--text);
}

.empty-state {
  color: var(--text-faint);
  text-align: center;
}

:root[data-theme-mode="light"] .node-spec {
  background: rgba(20, 34, 53, 0.035);
  border-color: rgba(75, 104, 145, 0.14);
}

:root[data-theme-mode="light"] .glass-card,
:root[data-theme-mode="light"] .nebula-loading__card {
  border-color: rgba(75, 104, 145, 0.14);
}

.sidebar-overlay,
.menu-toggle {
  display: none;
}

.sidebar-overlay,
.menu-toggle {
  display: none;
}

@media (max-width: 1180px) {
  .auth-grid,
  .dashboard-hero {
    grid-template-columns: 1fr;
  }

  .dashboard-shell {
    grid-template-columns: 1fr;
  }

  .span-5,
  .span-6,
  .span-7 {
    grid-column: span 12;
  }

  .nebula-main-grid {
    grid-template-columns: 1fr;
  }

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

  /* Sidebar Drawer for Mobile */
  .dashboard-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 280px;
    z-index: 10000;
    transform: translateX(-110%) scale(0.96);
    filter: blur(8px);
    transition: transform 450ms cubic-bezier(0.16, 1, 0.3, 1), 
                filter 400ms ease,
                box-shadow 450ms ease,
                opacity 450ms ease;
    background: var(--panel-strong) !important;
    border-radius: 0 !important;
    border: none !important;
    border-right: 1px solid var(--border) !important;
    backdrop-filter: blur(28px);
    overflow-y: auto;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    opacity: 0;
    pointer-events: none;
  }

  [data-sidebar-open="true"] .dashboard-sidebar,
  .dashboard-sidebar.is-open {
    transform: translateX(0) scale(1);
    filter: blur(0);
    opacity: 1;
    pointer-events: auto;
    box-shadow: 40px 0 100px rgba(0, 0, 0, 0.45);
  }

  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(4, 9, 17, 0.55);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 400ms ease, visibility 400ms ease, backdrop-filter 400ms ease;
    backdrop-filter: blur(0px);
    display: block;
  }

  [data-sidebar-open="true"] .sidebar-overlay,
  .sidebar-overlay.is-visible {
    opacity: 1;
    visibility: visible;
    backdrop-filter: blur(8px);
  }

  .menu-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    border-radius: 14px;
    color: var(--text);
    cursor: pointer;
  }
}

@media (max-width: 860px) {
  .app-shell {
    width: min(100vw - 20px, 1400px);
    padding-top: 10px;
    min-height: auto;
  }

  .topbar {
    flex-direction: row;
    align-items: center;
    padding: 12px 0 16px;
  }

  .brand h1 {
    display: none;
  }

  .hero-badge-row {
    align-items: flex-start;
  }

  .metric-strip,
  .dashboard-stat-grid,
  .kpi-row,
  .node-specs,
  .real-name-grid {
    grid-template-columns: 1fr;
  }

  .node-list {
    grid-template-columns: 1fr;
  }

  .hero,
  .auth-panel,
  .section-card {
    padding: 20px;
  }

  .auth-panel {
    margin-top: 0;
  }

  .hero-metric-stack {
    gap: 12px;
    margin: auto auto auto 0;
    padding-left: 0;
    justify-items: start;
    max-width: 100%;
  }

  .hero-copy-block {
    gap: 20px;
    padding: 12px 0 0;
  }

  .hero-metric-line {
    font-size: clamp(2.4rem, 10vw, 4.2rem);
    white-space: normal;
    text-align: left;
  }

  .hero-metric-value {
    font-size: clamp(2.1rem, 8vw, 2.9rem);
    white-space: normal;
    text-align: left;
  }

  .hero-custom-line {
    font-size: clamp(1.65rem, 6.5vw, 2.4rem);
    max-width: 100%;
    white-space: normal;
    padding-left: 0;
    text-wrap: pretty;
  }

  .record-footer {
    padding-top: 22px;
  }

  .topbar-actions .btn {
    padding: 8px 12px;
    font-size: 13px;
  }

  .nebula-topbar {
    padding: 12px 14px;
  }

  .nebula-app-stage {
    padding: 12px;
  }
}

.nebula-shell {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.nebula-glow,
.nebula-ring {
  position: absolute;
  pointer-events: none;
}

.nebula-glow {
  border-radius: 50%;
  filter: blur(24px);
  opacity: 0.36;
}

.nebula-glow-a {
  top: -10vw;
  right: -8vw;
  width: 42vw;
  height: 42vw;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.38), transparent 62%);
}

.nebula-glow-b {
  left: -12vw;
  bottom: -16vw;
  width: 38vw;
  height: 38vw;
  background: radial-gradient(circle, rgba(255, 208, 122, 0.26), transparent 58%);
}

.nebula-ring {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  transform: rotate(-18deg);
  opacity: 0.32;
}

.nebula-ring-a {
  width: 520px;
  height: 520px;
  top: -180px;
  right: -120px;
}

.nebula-ring-b {
  width: 420px;
  height: 420px;
  left: -140px;
  bottom: -160px;
}

.nebula-loading {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(180deg, rgba(4, 10, 18, 0.84), rgba(4, 10, 18, 0.92));
  z-index: 20;
  transition: opacity 320ms ease, visibility 320ms ease;
}

.nebula-loading.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.n-layout,
.n-layout-content,
.n-drawer-container,
.n-modal-container,
.n-drawer,
.n-menu,
.n-layout-scroll-container {
  background: transparent !important;
}

.n-layout-sider,
.n-card,
.n-modal .n-card,
.n-data-table,
.n-tabs-nav,
.n-dropdown-menu,
.n-popover,
.n-drawer .n-drawer-content,
.n-base-selection,
.n-input {
  background: linear-gradient(180deg, rgba(11, 24, 41, 0.9), rgba(9, 18, 31, 0.82)) !important;
  border: 1px solid rgba(152, 192, 255, 0.14) !important;
  box-shadow: var(--shadow) !important;
  backdrop-filter: blur(18px);
}

.n-card,
.n-modal .n-card,
.n-layout-sider,
.n-base-selection,
.n-input {
  border-radius: var(--radius-lg) !important;
}

.n-button {
  border-radius: 999px !important;
}

.n-button--primary-type,
.n-button--info-type,
.n-button--success-type {
  color: #06111b !important;
  border: none !important;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong)) !important;
}

.n-menu-item-content--selected,
.n-tabs-tab--active,
.n-tag--info-type {
  background: rgba(var(--accent-rgb), 0.12) !important;
  color: var(--accent) !important;
}

.nebula-monitor {
  position: sticky;
  top: 20px;
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  background: linear-gradient(180deg, rgba(11, 24, 41, 0.96), rgba(8, 18, 31, 0.92));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.nebula-monitor__head,
.nebula-monitor__section {
  padding: 16px 18px;
}

.nebula-monitor__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nebula-monitor__body {
  display: grid;
}

.nebula-monitor__title {
  margin: 0;
  font-size: 1rem;
}

.nebula-monitor__copy {
  margin-top: 6px;
  color: var(--text-faint);
  font-size: 13px;
  line-height: 1.5;
}

.nebula-monitor__actions {
  display: flex;
  gap: 8px;
}

.nebula-monitor__actions button {
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nebula-monitor.is-collapsed .nebula-monitor__body {
  display: none;
}

.nebula-monitor__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.nebula-monitor__metric {
  border-radius: var(--radius-md);
  padding: 14px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.nebula-monitor__metric strong {
  display: block;
  font-size: 1.5rem;
  letter-spacing: -0.04em;
}

.nebula-monitor__metric span,
.nebula-monitor__meta,
.nebula-monitor__empty {
  color: var(--text-faint);
  font-size: 12px;
}

.nebula-monitor__chips,
.nebula-monitor__sessions {
  display: grid;
  gap: 10px;
}

.nebula-monitor__chip,
.nebula-monitor__session {
  border-radius: 14px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.nebula-monitor__chip code {
  font-family: var(--font-mono);
  color: var(--text);
}

.nebula-monitor__session strong {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
}

.nebula-monitor__empty {
  padding: 4px 0;
}

@media (max-width: 860px) {
  .nebula-monitor {
    position: relative;
    top: 0;
  }

  .nebula-monitor__grid {
    grid-template-columns: 1fr;
  }
}

/* Modal Overlay & Dialogs */
.nebula-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(4, 9, 17, 0.6);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: nebula-fade-in 240ms ease-out forwards;
}

.nebula-modal {
  width: min(440px, 100%);
  border-radius: var(--radius-xl);
  padding: 34px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.45);
  transform-origin: center;
  animation: nebula-pop-in 340ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.nebula-modal--article {
  width: min(720px, 100%);
  max-height: min(80vh, 760px);
  overflow: auto;
}

.nebula-modal-title {
  margin: 0 0 14px;
  font-size: 1.7rem;
  font-weight: 760;
  letter-spacing: -0.04em;
  color: var(--text);
}

.nebula-modal-body {
  margin-bottom: 32px;
  color: var(--text-dim);
  line-height: 1.6;
  font-size: 14px;
}

.nebula-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.knowledge-article-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.knowledge-article-head .nebula-modal-title {
  margin: 0;
}

.knowledge-article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  color: var(--text-faint);
  font-size: 13px;
  flex-wrap: wrap;
}

.knowledge-article-body {
  margin-bottom: 28px;
  color: var(--text-dim);
  line-height: 1.8;
  font-size: 14px;
  word-break: break-word;
}

.knowledge-article-empty {
  margin: 0 0 28px;
  color: var(--text-faint);
}

@keyframes nebula-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes nebula-pop-in {
  from { transform: scale(0.92) translateY(12px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

:root[data-theme-mode="light"] .nebula-modal-overlay {
  background: rgba(238, 244, 251, 0.45);
}

:root[data-theme-mode="light"] .message-banner {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(20, 34, 53, 0.12);
  box-shadow: 0 16px 48px rgba(39, 61, 92, 0.12);
  backdrop-filter: blur(16px);
  color: var(--text);
}

:root[data-theme-mode="light"] .message-banner.success {
  background: #f0fff4;
  border-color: #65f0b7;
  color: #0b7a4b;
}

:root[data-theme-mode="light"] .message-banner.error {
  background: #fff5f7;
  border-color: #ff8db5;
  color: #a31d44;
}

/* Toast Notifications */
.nebula-toast-container {
  position: fixed;
  top: 32px;
  right: 32px;
  z-index: 11000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.message-banner {
  pointer-events: auto;
  border-radius: var(--radius-md);
  padding: 16px 24px;
  background: rgba(14, 25, 41, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(16px);
  min-width: 280px;
  max-width: 420px;
  animation: nebula-toast-slide-in 400ms cubic-bezier(0.23, 1, 0.32, 1) forwards;
  display: flex;
  align-items: center;
  gap: 12px;
}

@keyframes nebula-toast-slide-in {
  from { transform: translateX(60px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}