:root {
  color-scheme: dark;
  --font-ui: 'Trebuchet MS', 'Segoe UI Variable', 'Bahnschrift', sans-serif;
  --font-display: 'Arial Narrow', 'Franklin Gothic Medium', 'Segoe UI Variable', sans-serif;
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 32px;
  --shadow-strong: 0 22px 60px rgba(0, 0, 0, 0.42);
  --shadow-soft: 0 14px 30px rgba(0, 0, 0, 0.22);
}

:root[data-theme='black'] {
  --bg: #05070a;
  --bg-soft: #0b0f15;
  --bg-elevated: rgba(15, 20, 29, 0.88);
  --panel: rgba(12, 17, 25, 0.9);
  --panel-2: rgba(17, 23, 34, 0.94);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(109, 190, 255, 0.28);
  --text: #eef4fb;
  --text-muted: #9eb1c7;
  --text-soft: #6f8198;
  --accent: #4dc7ff;
  --accent-strong: #00ffa6;
  --danger: #ff6b7f;
  --warn: #f7ba59;
  --good: #00d38d;
}

:root[data-theme='dark'] {
  --bg: #11141b;
  --bg-soft: #171c26;
  --bg-elevated: rgba(24, 29, 40, 0.92);
  --panel: rgba(24, 30, 43, 0.94);
  --panel-2: rgba(30, 36, 50, 0.96);
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(111, 193, 255, 0.34);
  --text: #eef3fb;
  --text-muted: #adbacd;
  --text-soft: #7f8ca0;
  --accent: #66ccff;
  --accent-strong: #39f2b7;
  --danger: #ff7b89;
  --warn: #f6c46d;
  --good: #4fe0a6;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-ui);
  background:
    radial-gradient(circle at top left, rgba(77, 199, 255, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(0, 255, 166, 0.1), transparent 20%),
    linear-gradient(145deg, var(--bg), var(--bg-soft));
  color: var(--text);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.25;
  pointer-events: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

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

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(280px, 520px) minmax(320px, 720px);
  gap: 24px;
  padding: 28px;
}

.auth-aside,
.auth-panel,
.card,
.metric,
.sidebar,
.topbar,
.table-wrap,
.viewer-card,
.disk-card,
.volume-card,
.config-block,
.user-card,
.node-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.auth-aside {
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.auth-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.auth-mark::before,
.brand-mark::before {
  content: '';
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 22px rgba(77, 199, 255, 0.55);
}

.auth-title,
.section-title,
.brand-title {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  margin: 0;
}

.auth-title {
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 0.95;
}

.auth-copy,
.section-copy,
.muted,
.small {
  color: var(--text-muted);
}

.auth-points,
.inline-list {
  display: grid;
  gap: 14px;
}

.auth-point {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
}

.auth-panel {
  padding: 28px;
  display: grid;
  gap: 22px;
  align-content: start;
}

.auth-grid,
.grid-2,
.grid-3,
.grid-4,
.metrics-grid,
.nodes-grid,
.disks-grid,
.volumes-grid,
.viewer-grid,
.summary-grid,
.users-grid {
  display: grid;
  gap: 18px;
}

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

.grid-3,
.summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4,
.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.nodes-grid,
.disks-grid,
.volumes-grid,
.users-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.viewer-grid {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.field,
.field-inline {
  display: grid;
  gap: 8px;
}

.field-inline {
  grid-template-columns: 1fr auto;
  align-items: center;
}

label,
.label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 14px;
  min-height: 48px;
  padding: 0 15px;
  outline: none;
  transition: border-color 0.16s ease, transform 0.16s ease, background 0.16s ease;
}

textarea {
  min-height: 130px;
  resize: vertical;
  padding: 14px 15px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.05);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
}

.checkbox-row input {
  width: 18px;
  min-height: 18px;
  height: 18px;
  padding: 0;
}

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

.btn,
button.btn {
  border: 0;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.06);
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #051117;
  box-shadow: 0 10px 30px rgba(0, 211, 141, 0.22);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
}

.btn-danger {
  background: linear-gradient(135deg, rgba(255, 107, 127, 0.94), rgba(255, 159, 123, 0.94));
  color: #1a080b;
}

.btn-ghost {
  background: transparent;
  border: 1px dashed var(--border);
}

.btn-small {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 12px;
  font-size: 0.92rem;
}

.auth-footer,
.panel-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

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

.sidebar {
  margin: 20px;
  padding: 22px 18px;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 24px;
  position: sticky;
  top: 20px;
  height: calc(100vh - 40px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-size: 0.76rem;
}

.brand-title {
  font-size: 1.56rem;
  margin-top: 8px;
}

.nav-list {
  display: grid;
  gap: 8px;
}

.nav-item {
  width: 100%;
  min-height: 50px;
  border-radius: 16px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  text-align: left;
  font-weight: 700;
}

.nav-item.active,
.nav-item:hover {
  color: var(--text);
  border-color: rgba(77, 199, 255, 0.18);
  background: rgba(77, 199, 255, 0.08);
}

.nav-item .nav-item-note {
  font-size: 0.76rem;
  color: var(--text-soft);
}

.content {
  padding: 20px 22px 24px 0;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 18px;
}

.topbar {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.topbar-meta {
  display: grid;
  gap: 6px;
}

.topbar-title {
  margin: 0;
  font-size: 1.7rem;
  font-family: var(--font-display);
}

.chips,
.card-chips,
.viewer-tags,
.storage-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chip,
.badge,
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.badge-good,
.status-pill.good {
  color: var(--good);
  border-color: rgba(79, 224, 166, 0.26);
  background: rgba(79, 224, 166, 0.08);
}

.badge-warn,
.status-pill.warn {
  color: var(--warn);
  border-color: rgba(247, 186, 89, 0.26);
  background: rgba(247, 186, 89, 0.08);
}

.badge-danger,
.status-pill.danger {
  color: var(--danger);
  border-color: rgba(255, 107, 127, 0.26);
  background: rgba(255, 107, 127, 0.08);
}

.page {
  display: grid;
  gap: 18px;
}

.metric {
  padding: 18px;
  display: grid;
  gap: 10px;
}

.metric-kicker {
  color: var(--text-soft);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-value {
  font-size: clamp(1.5rem, 2.3vw, 2.3rem);
  font-family: var(--font-display);
}

.metric-note {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.section-copy {
  max-width: 72ch;
}

.table-wrap,
.card,
.viewer-card,
.disk-card,
.volume-card,
.config-block,
.user-card,
.node-card {
  padding: 18px;
}

.table-scroll {
  overflow: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 920px;
}

.table th,
.table td {
  text-align: left;
  padding: 14px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  vertical-align: top;
}

.table th {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-soft);
}

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

.table tr:hover td {
  background: rgba(255, 255, 255, 0.025);
}

.stack {
  display: grid;
  gap: 6px;
}

.subtle {
  color: var(--text-soft);
  font-size: 0.88rem;
}

.node-card,
.disk-card,
.volume-card,
.viewer-card,
.user-card,
.config-block {
  display: grid;
  gap: 14px;
}

.card-title,
.viewer-title,
.disk-title,
.config-title {
  margin: 0;
  font-size: 1.12rem;
}

.viewer-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  background: #020406;
  border: 1px solid rgba(255, 255, 255, 0.06);
  object-fit: cover;
}

.player-shell {
  position: relative;
}

.player-status {
  position: absolute;
  inset: auto 12px 12px 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(4, 7, 10, 0.82);
  color: var(--text-muted);
  font-size: 0.86rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.progress {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.progress > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.disk-partitions {
  display: grid;
  gap: 10px;
}

.partition {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.config-layout {
  display: grid;
  gap: 18px;
}

.modal-layer {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 8, 0.7);
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 30;
}

.modal {
  width: min(860px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-strong);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.modal-close {
  width: 44px;
  min-height: 44px;
  border-radius: 14px;
}

.camera-mode-note {
  grid-column: 1 / -1;
  padding: 14px 16px;
  border: 1px solid rgba(0, 255, 166, 0.2);
  border-radius: 16px;
  background: rgba(0, 255, 166, 0.08);
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.camera-mode-note strong {
  color: var(--text);
  word-break: break-all;
}

.loading-layer {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 10, 0.48);
  display: grid;
  place-items: center;
  z-index: 20;
  backdrop-filter: blur(8px);
}

.loading-card {
  min-width: 240px;
  padding: 22px 24px;
  border-radius: 22px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 14px;
}

.spinner {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 4px solid rgba(255, 255, 255, 0.08);
  border-top-color: var(--accent-strong);
  animation: spin 0.85s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.toast-stack {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 40;
  display: grid;
  gap: 10px;
}

.toast {
  min-width: 280px;
  max-width: 420px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.toast.success {
  border-color: rgba(79, 224, 166, 0.28);
}

.toast.error {
  border-color: rgba(255, 107, 127, 0.28);
}

.toast.info {
  border-color: rgba(102, 204, 255, 0.26);
}

.empty-state {
  padding: 28px;
  border-radius: 22px;
  border: 1px dashed var(--border);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text-muted);
}

@media (max-width: 1200px) {
  .metrics-grid,
  .grid-4,
  .summary-grid,
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .sidebar {
    position: static;
    height: auto;
    margin-bottom: 0;
  }

  .content {
    padding: 0 20px 24px;
  }
}

@media (max-width: 900px) {
  .auth-shell,
  .auth-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .metrics-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .auth-shell {
    padding: 18px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .table {
    min-width: 720px;
  }
}