/* Brain-5D unified dashboard shell
 *
 * This layer deliberately contains presentation only. It does not fabricate
 * runtime state and it does not alter scientific or actuator contracts.
 */

:root {
  --shell-bg: #071019;
  --shell-surface: rgba(8, 25, 36, 0.78);
  --shell-surface-strong: rgba(11, 31, 44, 0.96);
  --shell-surface-soft: rgba(15, 39, 54, 0.62);
  --shell-line: #1c4155;
  --shell-line-strong: #2a6077;
  --shell-text: #edf7fa;
  --shell-muted: #8eb2c1;
  --shell-accent: #40e0d0;
  --shell-accent-warm: #ff9f1c;
  --shell-good: #39d98a;
  --shell-warn: #f5b642;
  --shell-bad: #ff667d;
  --shell-radius: 10px;
  --shell-radius-small: 6px;
  --shell-gap: clamp(10px, 1.15vw, 18px);
  --shell-pad: clamp(14px, 1.6vw, 24px);
  --shell-shadow: 0 14px 36px rgba(0, 0, 0, 0.18);
}

body[data-theme="light"] {
  --shell-bg: #f4f8fa;
  --shell-surface: rgba(255, 255, 255, 0.94);
  --shell-surface-strong: #ffffff;
  --shell-surface-soft: #eef5f7;
  --shell-line: #bfd1da;
  --shell-line-strong: #8eb2c1;
  --shell-text: #10242f;
  --shell-muted: #4c6875;
  --shell-accent: #087f78;
  --shell-accent-warm: #b85f00;
  --shell-good: #0b7a4b;
  --shell-warn: #966000;
  --shell-bad: #b4233a;
  --shell-shadow: 0 10px 28px rgba(16, 36, 47, 0.09);
}

/* Full-width application frame ------------------------------------------------ */
main {
  width: 100%;
  max-width: none !important;
  margin: 0 !important;
  padding: clamp(12px, 1.3vw, 24px) clamp(12px, 1.8vw, 32px) 48px !important;
}

.tab-content,
.tab-content.active,
.dashboard-workspace {
  width: 100%;
  max-width: none;
  min-width: 0;
}

.tab-content > *,
.dashboard-workspace > * {
  min-width: 0;
}

/* Global navigation ---------------------------------------------------------- */
.tab-nav {
  position: sticky;
  top: var(--dashboard-topbar-height, 88px);
  z-index: 4;
  display: grid !important;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  width: calc(100% - clamp(24px, 3.6vw, 64px));
  max-width: none;
  margin: 12px auto 16px !important;
  padding: 6px !important;
  gap: 6px !important;
  overflow: hidden;
  border: 1px solid var(--shell-line) !important;
  border-radius: var(--shell-radius) !important;
  background: color-mix(in srgb, var(--shell-surface-strong) 90%, transparent) !important;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(18px);
}

.tab-btn {
  width: 100%;
  min-width: 0;
  min-height: 42px;
  padding: 9px 10px !important;
  border: 1px solid transparent !important;
  border-radius: var(--shell-radius-small) !important;
  color: var(--shell-muted) !important;
  font-size: clamp(0.72rem, 0.75vw, 0.9rem) !important;
  letter-spacing: 0.025em;
  white-space: nowrap;
}

.tab-btn:hover {
  border-color: var(--shell-line) !important;
  background: var(--shell-surface-soft) !important;
  color: var(--shell-text) !important;
}

.tab-btn.active {
  border-color: color-mix(in srgb, var(--shell-accent) 50%, var(--shell-line)) !important;
  background: color-mix(in srgb, var(--shell-accent) 13%, var(--shell-surface-strong)) !important;
  color: var(--shell-text) !important;
  box-shadow: inset 0 -2px 0 var(--shell-accent) !important;
}

/* Unified workspace header --------------------------------------------------- */
.workspace-header,
.overview-command-bar,
.dashboard-generated-header {
  width: 100%;
  margin: 0 0 var(--shell-gap);
  padding: clamp(14px, 1.4vw, 22px) clamp(16px, 1.8vw, 28px) !important;
  border: 1px solid var(--shell-line) !important;
  border-radius: var(--shell-radius) !important;
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--shell-accent) 8%, transparent), transparent 34%),
    var(--shell-surface) !important;
  box-shadow: var(--shell-shadow);
}

.workspace-header,
.dashboard-generated-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--shell-gap);
}

.workspace-header h2,
.dashboard-generated-header h2,
.overview-command-bar h2 {
  margin: 2px 0 0;
  color: var(--shell-text);
  font-size: clamp(1.25rem, 1.7vw, 1.9rem);
}

.workspace-header p,
.dashboard-generated-header p,
.overview-command-bar p {
  max-width: 78ch;
  margin: 5px 0 0;
  color: var(--shell-muted);
}

.workspace-kicker,
.dashboard-workspace-kicker,
.overview-kicker,
.overview-surface-title span {
  color: var(--shell-accent) !important;
  font-size: 0.69rem !important;
  font-weight: 800 !important;
  letter-spacing: 0.12em !important;
  text-transform: uppercase;
}

.workspace-status-strip {
  display: grid !important;
  grid-auto-flow: column;
  grid-auto-columns: minmax(94px, 1fr);
  gap: 1px !important;
  overflow: hidden;
  border: 1px solid var(--shell-line) !important;
  border-radius: var(--shell-radius-small) !important;
  background: var(--shell-line) !important;
}

.workspace-status-strip > span {
  min-width: 0;
  padding: 8px 11px !important;
  background: var(--shell-surface-strong) !important;
  color: var(--shell-muted) !important;
  font-size: 0.68rem !important;
  text-transform: uppercase;
}

.workspace-status-strip strong {
  display: block;
  margin-top: 3px;
  overflow: hidden;
  color: var(--shell-text) !important;
  font-size: 0.78rem !important;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Shared tab utility row ----------------------------------------------------- */
.dashboard-utility-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  margin: calc(var(--shell-gap) * -0.45) 0 var(--shell-gap);
  padding: 7px 9px;
  border: 1px solid var(--shell-line);
  border-radius: var(--shell-radius-small);
  background: var(--shell-surface-soft);
}

.dashboard-utility-context {
  min-width: 0;
  overflow: hidden;
  color: var(--shell-muted);
  font-size: 0.75rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dashboard-utility-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.dashboard-utility-button {
  min-height: 32px;
  padding: 5px 10px;
  border: 1px solid var(--shell-line);
  border-radius: var(--shell-radius-small);
  background: var(--shell-surface-strong);
  color: var(--shell-text);
  cursor: pointer;
  font: inherit;
  font-size: 0.75rem;
}

.dashboard-utility-button:hover,
.dashboard-utility-button:focus-visible {
  border-color: var(--shell-accent);
  outline: none;
}

body[data-dashboard-density="compact"] .card,
body[data-dashboard-density="compact"] .panel,
body[data-dashboard-density="compact"] .overview-surface,
body[data-dashboard-density="compact"] .control-card {
  padding: 10px 12px !important;
}

/* Surfaces ------------------------------------------------------------------ */
.card,
.panel,
.control-card,
.overview-surface,
.snapshot-info-card,
.settings-section,
.research-section,
.gate-panel,
.embodiment-card {
  min-width: 0;
  border-color: var(--shell-line) !important;
  background: var(--shell-surface) !important;
  color: var(--shell-text);
  box-shadow: var(--shell-shadow);
}

.card:hover,
.control-card:hover,
.overview-surface:hover {
  border-color: var(--shell-line-strong) !important;
}

/* Direct tab children should consume available width. */
#tab-overview > *,
#tab-network > *,
#tab-control > *,
#tab-research > *,
#tab-gate > *,
#tab-settings > *,
#tab-embodiment > * {
  width: 100%;
  max-width: none;
}

/* Responsive layout primitives --------------------------------------------- */
.grid,
.detail-grid,
.metrics-grid,
.roadmap-grid,
.overview-operations-grid,
.overview-metrics-row,
.population-grid,
.io-flow-grid,
.settings-grid,
.research-grid,
.gate-grid,
.control-grid {
  min-width: 0;
}

.metrics-grid {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)) !important;
}

.detail-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)) !important;
}

.overview-operations-grid,
.overview-metrics-row {
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)) !important;
}

.overview-status-rail {
  grid-template-columns: repeat(auto-fit, minmax(125px, 1fr)) !important;
}

.overview-dynamics-grid {
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr)) !important;
}

.workspace-view-tabs,
.workspace-jumps {
  display: flex !important;
  width: 100%;
  gap: 6px;
  margin: 0 0 var(--shell-gap) !important;
  padding: 6px !important;
  overflow-x: auto;
  border: 1px solid var(--shell-line) !important;
  border-radius: var(--shell-radius-small) !important;
  background: var(--shell-surface-soft) !important;
  scrollbar-width: thin;
}

.workspace-view-tabs > *,
.workspace-jumps > * {
  flex: 1 0 auto;
  min-width: max-content;
}

.workspace-view-tabs button,
.workspace-jumps a {
  min-height: 34px;
  padding: 7px 12px !important;
  border: 1px solid transparent !important;
  border-radius: 4px !important;
  background: transparent !important;
  color: var(--shell-muted) !important;
  text-align: center;
  text-decoration: none;
}

.workspace-view-tabs button:hover,
.workspace-view-tabs button.active,
.workspace-jumps a:hover {
  border-color: var(--shell-line) !important;
  background: var(--shell-surface-strong) !important;
  color: var(--shell-text) !important;
}

/* Media/data surfaces -------------------------------------------------------- */
canvas,
svg,
img,
video {
  max-width: 100%;
}

.card canvas,
.panel canvas,
.heatmap-wrap canvas,
.heatmap-split canvas {
  display: block;
  width: 100% !important;
  max-width: 100%;
  height: auto;
}

.heatmap-split {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: var(--shell-gap) !important;
  min-width: 0;
}

.table-wrap,
pre,
.code-block,
.file-content {
  max-width: 100%;
  overflow: auto;
}

table {
  width: 100%;
  max-width: 100%;
  border-collapse: collapse;
}

input,
select,
textarea,
button {
  max-width: 100%;
}

textarea {
  width: 100%;
  resize: vertical;
}

/* Light-mode contrast corrections ------------------------------------------ */
body[data-theme="light"] .tab-nav,
body[data-theme="light"] .workspace-header,
body[data-theme="light"] .dashboard-generated-header,
body[data-theme="light"] .dashboard-utility-bar,
body[data-theme="light"] .workspace-view-tabs,
body[data-theme="light"] .workspace-jumps,
body[data-theme="light"] .card,
body[data-theme="light"] .panel,
body[data-theme="light"] .control-card,
body[data-theme="light"] .overview-surface {
  box-shadow: var(--shell-shadow) !important;
}

body[data-theme="light"] .bar {
  background: #dce9ee !important;
}

body[data-theme="light"] .tab-btn.active {
  color: #083f47 !important;
}

/* Breakpoints --------------------------------------------------------------- */
@media (max-width: 1180px) {
  .tab-nav {
    display: flex !important;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline proximity;
    scrollbar-width: thin;
  }

  .tab-btn {
    flex: 0 0 auto;
    width: auto;
    min-width: 128px;
    scroll-snap-align: start;
  }

  .workspace-header,
  .dashboard-generated-header,
  .overview-command-bar {
    align-items: flex-start !important;
    flex-direction: column;
  }

  .workspace-status-strip {
    width: 100%;
    grid-auto-flow: row;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  }
}

@media (max-width: 820px) {
  main {
    padding-inline: 10px !important;
  }

  .topbar {
    gap: 10px;
    padding: 12px 10px !important;
  }

  .topbar-right {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .tab-nav {
    width: calc(100% - 20px);
    margin-top: 8px !important;
  }

  .heatmap-split {
    grid-template-columns: 1fr !important;
  }

  .dashboard-utility-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .dashboard-utility-actions {
    justify-content: stretch;
  }

  .dashboard-utility-button {
    flex: 1 1 auto;
  }

  .overview-actions {
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

@media (max-width: 520px) {
  .topbar h1 {
    font-size: 1rem !important;
  }

  .header-context,
  .eyebrow {
    display: none;
  }

  .workspace-header,
  .dashboard-generated-header,
  .overview-command-bar {
    padding: 12px !important;
  }

  .workspace-status-strip,
  .overview-status-rail,
  .overview-dynamics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .overview-actions {
    grid-template-columns: 1fr !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tab-content,
  .tab-btn,
  .card,
  .dashboard-utility-button {
    animation: none !important;
    transition: none !important;
  }
}