/* =========================================================================
   NEXUS.OPS — Multi-Agent Orchestration Dashboard
   Design tokens + primitives
   ========================================================================= */

:root {
  /* Obsidian scale */
  --bg-0: #05060A;         /* deep void */
  --bg-1: #0A0C13;         /* panel base */
  --bg-2: #10131C;         /* panel raised */
  --bg-3: #171B26;         /* panel hi */
  --bg-4: #1E2330;         /* border-ish */

  /* Ink */
  --ink-0: #F4F6FC;
  --ink-1: #C8CDDB;
  --ink-2: #8A8FA3;
  --ink-3: #5A6072;
  --ink-4: #3A3F4F;

  /* Accents */
  --cyan:     #00E5FF;
  --cyan-dim: #0B8FA8;
  --magenta:  #FF2D9C;
  --magenta-dim: #A61866;

  /* Status */
  --ok:      #4EE8A4;
  --warn:    #FFB84A;
  --err:     #FF4560;
  --info:    #6CB4FF;

  /* Rules */
  --rule: rgba(255,255,255,0.06);
  --rule-strong: rgba(255,255,255,0.12);
  --rule-cyan: rgba(0, 229, 255, 0.35);
  --rule-mag: rgba(255, 45, 156, 0.35);

  /* Type */
  --f-display: "Space Grotesk", "Inter Tight", sans-serif;
  --f-body: "Inter Tight", "Space Grotesk", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;

  --glass-blur: 18px;
  --glass-alpha: 0.55;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  color: var(--ink-0);
  font-family: var(--f-body);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* Ambient background — node grid + corner glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1200px 800px at 12% -10%, rgba(0, 229, 255, 0.12), transparent 60%),
    radial-gradient(1000px 700px at 100% 110%, rgba(255, 45, 156, 0.10), transparent 60%),
    radial-gradient(600px 400px at 50% 50%, rgba(255,255,255,0.015), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 30%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

/* Scanline overlay (super subtle) */
.scanlines {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background-image: repeating-linear-gradient(
    0deg, rgba(255,255,255,0.012) 0px, rgba(255,255,255,0.012) 1px,
    transparent 1px, transparent 3px);
  mix-blend-mode: overlay;
}

#root { position: relative; z-index: 2; }

/* ---- Typography ---- */
.h-display {
  font-family: var(--f-display);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.mono { font-family: var(--f-mono); }
.caps {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.caps-cy { color: var(--cyan); }
.caps-mg { color: var(--magenta); }

/* ---- Panels ---- */
.panel {
  position: relative;
  background: linear-gradient(180deg, rgba(22,26,38,0.55), rgba(12,14,22,0.75));
  border: 1px solid var(--rule);
  border-radius: 4px;
  backdrop-filter: blur(var(--glass-blur)) saturate(130%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(130%);
}
.panel--flat {
  background: var(--bg-1);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.panel-h {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--rule);
  gap: 12px;
}

/* Crosshair corners (decorative) */
.corners::before,
.corners::after,
.corners > .cn-tl,
.corners > .cn-bl {
  content: "";
  position: absolute;
  width: 10px; height: 10px;
  border-color: var(--cyan);
  border-style: solid;
  opacity: 0.6;
  pointer-events: none;
}
.corners::before { top: -1px; right: -1px; border-width: 1px 1px 0 0; }
.corners::after  { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }
.corners > .cn-tl { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.corners > .cn-bl { bottom: -1px; left: -1px; border-width: 0 0 1px 1px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  font-family: var(--f-mono);
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  background: transparent;
  color: var(--ink-1);
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  cursor: pointer;
  transition: all 140ms ease;
  position: relative;
}
.btn:hover { border-color: var(--rule-cyan); color: var(--ink-0); }
.btn--primary {
  background: linear-gradient(180deg, rgba(0,229,255,0.20), rgba(0,229,255,0.08));
  border-color: var(--cyan);
  color: #E8FEFF;
  box-shadow: 0 0 0 1px rgba(0,229,255,0.10), 0 6px 24px -8px rgba(0,229,255,0.55), inset 0 0 24px -12px rgba(0,229,255,0.6);
}
.btn--primary:hover { filter: brightness(1.15); }
.btn--mg {
  background: linear-gradient(180deg, rgba(255,45,156,0.20), rgba(255,45,156,0.06));
  border-color: var(--magenta);
  color: #FFE7F3;
  box-shadow: 0 0 0 1px rgba(255,45,156,0.10), 0 6px 24px -8px rgba(255,45,156,0.5);
}
.btn--ghost { border-color: transparent; color: var(--ink-2); }
.btn--ghost:hover { background: rgba(255,255,255,0.04); color: var(--ink-0); }
.btn--sm { padding: 6px 10px; font-size: 10px; }

/* ---- Inputs ---- */
.input {
  width: 100%;
  padding: 11px 12px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--rule-strong);
  color: var(--ink-0);
  font-family: var(--f-mono);
  font-size: 13px;
  border-radius: 3px;
  outline: none;
  transition: all 140ms ease;
}
.input:focus {
  border-color: var(--cyan);
  background: rgba(0,229,255,0.04);
  box-shadow: 0 0 0 3px rgba(0,229,255,0.08);
}
.input-group { position: relative; }
.input-group .label {
  position: absolute; top: -7px; left: 10px;
  padding: 0 6px;
  background: var(--bg-1);
  font-family: var(--f-mono);
  font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-2);
}

/* ---- Status dot ---- */
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block;
  position: relative;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(78,232,164,0.15);
}
.dot::after {
  content: "";
  position: absolute; inset: -4px;
  border-radius: 50%;
  background: inherit;
  opacity: 0.6;
  animation: pulse 2.2s ease-out infinite;
}
.dot.cy { background: var(--cyan); box-shadow: 0 0 0 3px rgba(0,229,255,0.18); }
.dot.mg { background: var(--magenta); box-shadow: 0 0 0 3px rgba(255,45,156,0.18); }
.dot.w  { background: var(--warn); box-shadow: 0 0 0 3px rgba(255,184,74,0.15); }
.dot.e  { background: var(--err);  box-shadow: 0 0 0 3px rgba(255,69,96,0.15); }
.dot.idle { background: var(--ink-3); box-shadow: 0 0 0 3px rgba(255,255,255,0.06); }
.dot.idle::after { display: none; }

@keyframes pulse {
  0%   { transform: scale(0.6); opacity: 0.7; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ---- Chips ---- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 8px;
  font-family: var(--f-mono); font-size: 10px; letter-spacing: 0.10em; text-transform: uppercase;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink-1);
  background: rgba(255,255,255,0.02);
}
.chip.cy { color: var(--cyan); border-color: var(--rule-cyan); background: rgba(0,229,255,0.05); }
.chip.mg { color: var(--magenta); border-color: var(--rule-mag); background: rgba(255,45,156,0.05); }
.chip.w  { color: var(--warn); border-color: rgba(255,184,74,0.35); background: rgba(255,184,74,0.05); }
.chip.e  { color: var(--err);  border-color: rgba(255,69,96,0.35); background: rgba(255,69,96,0.05); }
.chip.ok { color: var(--ok);   border-color: rgba(78,232,164,0.35); background: rgba(78,232,164,0.05); }

/* ---- Scrollbars ---- */
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 4px; }
*::-webkit-scrollbar-thumb:hover { background: var(--ink-4); }

/* ---- App shell ---- */
.app {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
}

/* Top nav */
.topnav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--rule);
  background: rgba(8,10,15,0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: sticky; top: 0; z-index: 20;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.logo-mark {
  width: 22px; height: 22px;
  position: relative;
  display: inline-block;
}
.logo-mark svg { display: block; }
.nav-tabs { display: flex; align-items: center; gap: 2px; }
.nav-tab {
  padding: 8px 14px;
  font-family: var(--f-mono);
  font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-2);
  border: 1px solid transparent;
  cursor: pointer;
  border-radius: 3px;
  background: transparent;
  transition: all 140ms ease;
  position: relative;
}
.nav-tab:hover { color: var(--ink-0); }
.nav-tab.active {
  color: var(--cyan);
  border-color: var(--rule-cyan);
  background: rgba(0,229,255,0.04);
}
.nav-tab .idx {
  color: var(--ink-3);
  margin-right: 6px;
}
.nav-tab.active .idx { color: var(--cyan); opacity: 0.6; }

.topnav .meta {
  display: flex; align-items: center; gap: 18px;
  font-family: var(--f-mono); font-size: 11px; color: var(--ink-2);
}
.topnav .meta .sep { color: var(--ink-4); }

/* Stage */
.stage { position: relative; padding: 24px; }

/* Screen container animates on change */
.screen {
  animation: fadeUp 400ms cubic-bezier(.2,.7,.2,1);
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Data rail */
.rail {
  display: flex; gap: 8px; align-items: center;
  font-family: var(--f-mono); font-size: 10.5px; color: var(--ink-2);
}

/* Subtle blinking caret */
.caret {
  display: inline-block; width: 7px; height: 13px;
  background: var(--cyan);
  vertical-align: -2px;
  animation: blink 1s steps(2) infinite;
  box-shadow: 0 0 8px var(--cyan);
}
@keyframes blink { 50% { opacity: 0; } }

/* Placeholders for imagery */
.ph {
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.025) 0 6px, transparent 6px 12px),
    linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--rule);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--f-mono); font-size: 10px; letter-spacing: 0.14em;
  color: var(--ink-3);
  text-transform: uppercase;
}

/* Tweaks panel */
.tweaks {
  position: fixed; right: 18px; bottom: 18px; z-index: 100;
  width: 300px;
  background: rgba(10,12,19,0.92);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow: hidden;
  box-shadow: 0 20px 50px -20px rgba(0,0,0,0.7), 0 0 0 1px rgba(0,229,255,0.08);
}
.tweaks-h {
  padding: 10px 14px;
  border-bottom: 1px solid var(--rule);
  display: flex; align-items: center; justify-content: space-between;
}
.tweaks-b { padding: 14px; display: flex; flex-direction: column; gap: 14px; }
.tw-row { display: flex; flex-direction: column; gap: 6px; }
.tw-row > label {
  font-family: var(--f-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-2);
  display: flex; justify-content: space-between;
}
.tw-row > label > span:last-child { color: var(--ink-0); }
.swatches { display: flex; gap: 6px; }
.sw {
  flex: 1; height: 28px; border-radius: 3px; cursor: pointer;
  border: 1px solid var(--rule-strong);
  position: relative;
}
.sw.active { border-color: var(--ink-0); box-shadow: 0 0 0 2px rgba(255,255,255,0.06); }
.seg { display: flex; border: 1px solid var(--rule-strong); border-radius: 3px; overflow: hidden; }
.seg > button {
  flex: 1;
  padding: 7px 4px;
  background: transparent; color: var(--ink-2);
  border: 0; cursor: pointer;
  font-family: var(--f-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  border-right: 1px solid var(--rule-strong);
}
.seg > button:last-child { border-right: 0; }
.seg > button.active { background: rgba(0,229,255,0.10); color: var(--cyan); }

/* Hairlines */
.hr { height: 1px; background: var(--rule); border: 0; margin: 0; }

/* Density modifiers */
.density-dense .panel-h { padding: 8px 12px; }
.density-dense .stage { padding: 14px; }
.density-spacious .panel-h { padding: 14px 18px; }
.density-spacious .stage { padding: 36px; }

/* ==========================================================================
   Responsive grid helpers
   Applied as className so media queries can override inline fallbacks.
   ========================================================================== */
.g-auth       { display: grid; grid-template-columns: 1.05fr 1fr; gap: 24px; min-height: calc(100vh - 140px); }
.g-kpi        { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.g-midrow     { display: grid; grid-template-columns: 1.6fr 1fr; gap: 16px; }
.g-bottomrow  { display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 16px; }
.g-fleet-gauge{ padding: 16px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; place-items: center; }
.g-agent-hdr  { display: grid; grid-template-columns: 1fr auto auto; gap: 16px; align-items: center; }
.g-agent-cards{ display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 16px; }
.g-agent-stats{ display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.g-workflow   { display: grid; grid-template-columns: 230px 1fr 280px; gap: 16px; min-height: calc(100vh - 140px); }
.g-logs       { display: grid; grid-template-columns: 1fr 340px; gap: 16px; min-height: calc(100vh - 140px); }

/* Burger button (hidden on desktop) */
.burger {
  display: none;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  color: var(--ink-1);
  cursor: pointer;
  padding: 0;
}
.burger:active { background: rgba(255,255,255,0.04); }
.burger svg { display: block; }

/* Mobile nav drawer */
.nav-drawer-overlay {
  position: fixed; inset: 0;
  background: rgba(3,5,9,0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 30;
  display: none;
  animation: fadeIn 180ms ease;
}
.nav-drawer {
  position: fixed;
  top: 0; right: 0;
  width: min(320px, 85vw);
  height: 100dvh;
  background: rgba(10,12,19,0.96);
  border-left: 1px solid var(--rule-strong);
  box-shadow: -20px 0 50px -20px rgba(0,0,0,0.7);
  z-index: 31;
  padding: 16px;
  display: none;
  flex-direction: column;
  gap: 6px;
  animation: slideIn 220ms cubic-bezier(.2,.7,.2,1);
}
.nav-drawer .nav-drawer-h {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 10px; margin-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}
.nav-drawer .nav-tab {
  padding: 14px 14px;
  text-align: left;
  font-size: 12px;
  border: 1px solid transparent;
}
.nav-drawer-meta {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  display: flex; flex-direction: column; gap: 10px;
  font-family: var(--f-mono); font-size: 11px;
  color: var(--ink-2);
}
.nav-drawer-meta > span { display: flex; align-items: center; gap: 8px; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }

.nav-drawer-open .nav-drawer-overlay,
.nav-drawer-open .nav-drawer { display: flex; }

/* Lock body scroll while drawer is open */
.nav-drawer-open { overflow: hidden; }

/* ==========================================================================
   Tablet (<= 1024px) — tighten large grids
   ========================================================================== */
@media (max-width: 1024px) {
  .topnav { padding: 12px 16px; gap: 12px; }
  .topnav .meta { gap: 12px; font-size: 10.5px; }
  .stage { padding: 16px; }
  .density-spacious .stage { padding: 20px; }

  .g-kpi { grid-template-columns: repeat(2, 1fr); }
  .g-midrow { grid-template-columns: 1fr; }
  .g-bottomrow { grid-template-columns: 1fr 1fr; }
  .g-workflow { grid-template-columns: 200px 1fr 260px; }
}

/* ==========================================================================
   Mobile (<= 768px)
   ========================================================================== */
@media (max-width: 768px) {
  /* Nav: swap desktop tabs for burger */
  .topnav {
    grid-template-columns: auto auto 1fr auto;
    padding: 10px 14px;
    gap: 10px;
  }
  .topnav .nav-tabs { display: none; }
  .topnav .meta {
    justify-content: flex-end;
    font-size: 10px;
    gap: 8px;
  }
  .topnav .meta .hide-mobile { display: none; }
  .topnav .meta .sep { display: none; }
  .burger { display: inline-flex; }

  /* Stage */
  .stage { padding: 12px; }
  .density-dense .stage { padding: 10px; }
  .density-spacious .stage { padding: 14px; }

  /* Collapse all multi-column grids to single column */
  .g-auth,
  .g-kpi,
  .g-midrow,
  .g-bottomrow,
  .g-fleet-gauge,
  .g-agent-hdr,
  .g-agent-cards,
  .g-workflow,
  .g-logs {
    grid-template-columns: 1fr !important;
    min-height: auto;
  }

  .g-agent-stats { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }

  /* Auth side swaps order: form first on mobile */
  .g-auth > .panel.auth-hologram { order: 2; }
  .g-auth > .panel.auth-form     { order: 1; }
  .g-auth > .panel.auth-hologram .holo-wrap { min-height: 260px !important; }

  /* Auth form padding trim */
  .auth-form-body { padding: 18px 18px 18px !important; }
  .auth-form-title { font-size: 26px !important; }

  /* Agent header strip: stack */
  .g-agent-hdr .agent-hdr-filters { flex-wrap: wrap; }
  .g-agent-hdr .agent-hdr-filters .btn { flex: 1 1 auto; min-width: 0; }
  .g-agent-hdr .agent-hdr-tools { flex-wrap: wrap; gap: 8px; }
  .g-agent-hdr .agent-hdr-tools .seg { flex: 1; min-width: 0; }
  .g-agent-hdr .agent-hdr-tools .btn--primary { flex: 1; justify-content: center; }

  /* Agent list: horizontal scroll rather than crushed columns */
  .agent-list-scroll { overflow-x: auto; }
  .agent-list-scroll > * { min-width: 920px; }

  /* Workflow canvas: shorter, allow vertical stack */
  .g-workflow > .panel { min-height: 0; }
  .wf-canvas { height: 60vh !important; }
  .wf-library { max-height: 180px; overflow-y: auto; }
  .wf-props { max-height: 360px; overflow-y: auto; }

  /* Logs: shorter terminal, stack sidebar below */
  .g-logs > .panel { min-height: 0; }
  .logs-terminal-body { min-height: 55vh !important; }
  .logs-actions { flex-wrap: wrap; }
  .logs-actions .btn { flex: 1 1 auto; min-width: 0; justify-content: center; }

  /* Logs lines: allow wrap to avoid horizontal overflow */
  .log-line {
    grid-template-columns: 62px 46px 1fr !important;
    row-gap: 2px;
    padding: 3px 4px !important;
  }
  .log-line > .log-msg {
    grid-column: 1 / -1;
    word-break: break-word;
  }

  /* KPI cards: reduce big number */
  .kpi-value { font-size: 26px !important; }

  /* Panel headers: reduce padding */
  .panel-h { padding: 8px 12px; gap: 8px; flex-wrap: wrap; }
  .panel-h .row.gap-2 { flex-wrap: wrap; gap: 6px; }

  /* Tweaks panel: full-width bottom sheet */
  .tweaks {
    left: 8px; right: 8px; bottom: 8px;
    width: auto;
  }

  /* Topnav logo: trim version caps */
  .logo .caps { display: none; }
}

/* Extra-small (<= 420px) */
@media (max-width: 420px) {
  .topnav { grid-template-columns: auto 1fr auto; }
  .topnav .meta { font-size: 9.5px; }
  .topnav .meta > span:not(.hide-mobile-sm) { display: none; }
  .g-agent-stats { grid-template-columns: 1fr 1fr; }
  .h-display { letter-spacing: -0.01em; }
}

/* Reduce-motion */
.motion-subtle .dot::after { animation: none; }
.motion-subtle .caret { animation: none; opacity: 1; }

/* Utility */
.row { display: flex; }
.col { display: flex; flex-direction: column; }
.gap-2 { gap: 8px; } .gap-3 { gap: 12px; } .gap-4 { gap: 16px; } .gap-6 { gap: 24px; }
.grow { flex: 1 1 auto; }
.center { align-items: center; justify-content: center; }
.between { justify-content: space-between; }
.items-center { align-items: center; }
.w-full { width: 100%; }
.text-ink-2 { color: var(--ink-2); } .text-ink-1 { color: var(--ink-1); } .text-ink-3 { color: var(--ink-3); }
.text-cy { color: var(--cyan); } .text-mg { color: var(--magenta); }
.num { font-family: var(--f-mono); font-feature-settings: "tnum"; }