/* ============================================================
   OmniFlow Nexus — Stylesheet v1.0
   ============================================================ */

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --nx-bg:          #0d0f14;
  --nx-surface:     #13161e;
  --nx-surface-2:   #1a1e2a;
  --nx-border:      rgba(255,255,255,0.08);
  --nx-border-mid:  rgba(255,255,255,0.14);
  --nx-text:        #e8eaf0;
  --nx-muted:       #6b7280;
  --nx-accent:      #3b82f6;
  --nx-accent-dim:  rgba(59,130,246,0.15);
  --nx-green:       #22c55e;
  --nx-green-dim:   rgba(34,197,94,0.12);
  --nx-red:         #ef4444;
  --nx-red-dim:     rgba(239,68,68,0.12);
  --nx-amber:       #f59e0b;
  --nx-amber-dim:   rgba(245,158,11,0.12);
  --nx-purple:      #a78bfa;
  --nx-radius:      8px;
  --nx-radius-lg:   12px;
  --nx-font:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --nx-font-mono:   'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --sidebar-w:      220px;
}

html { font-size: 14px; }

body {
  font-family: var(--nx-font);
  background: var(--nx-bg);
  color: var(--nx-text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ───────────────────────────────────────────────── */
.nx-layout { display: flex; min-height: 100vh; }

.nx-sidebar {
  width: var(--sidebar-w);
  background: var(--nx-surface);
  border-right: 1px solid var(--nx-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.nx-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.nx-topbar {
  height: 56px;
  background: var(--nx-surface);
  border-bottom: 1px solid var(--nx-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.nx-content {
  padding: 28px 32px;
  flex: 1;
}

/* ── Logo & Brand ─────────────────────────────────────────── */
.nx-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--nx-border);
}
.nx-logo-mark {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nx-logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; color: #fff;
  letter-spacing: -0.5px;
}
.nx-logo-text { line-height: 1.2; }
.nx-logo-text strong { display: block; font-size: 13px; font-weight: 700; color: var(--nx-text); }
.nx-logo-text span { font-size: 10px; color: var(--nx-muted); letter-spacing: 0.1em; text-transform: uppercase; }

/* ── Sidebar Navigation ───────────────────────────────────── */
.nx-nav { padding: 12px 0; flex: 1; }
.nx-nav-section { padding: 12px 16px 4px; font-size: 10px; font-weight: 600; color: var(--nx-muted); letter-spacing: 0.1em; text-transform: uppercase; }
.nx-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 16px;
  color: var(--nx-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  border-radius: 0;
  transition: color .15s, background .15s;
  position: relative;
}
.nx-nav a:hover { color: var(--nx-text); background: rgba(255,255,255,0.04); }
.nx-nav a.active {
  color: var(--nx-accent);
  background: var(--nx-accent-dim);
}
.nx-nav a.active::before {
  content: '';
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 3px;
  background: var(--nx-accent);
  border-radius: 0 2px 2px 0;
}
.nx-nav a svg { width: 16px; height: 16px; flex-shrink: 0; }
.nx-nav-badge {
  margin-left: auto;
  background: var(--nx-red);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 99px;
}
.nx-nav-badge.amber { background: var(--nx-amber); color: #000; }

/* ── Account Switcher ─────────────────────────────────────── */
.nx-acct-switcher {
  padding: 12px 16px;
  border-top: 1px solid var(--nx-border);
}
.nx-acct-switcher select {
  width: 100%;
  background: var(--nx-surface-2);
  border: 1px solid var(--nx-border-mid);
  color: var(--nx-text);
  padding: 7px 10px;
  border-radius: var(--nx-radius);
  font-size: 12px;
  font-family: var(--nx-font);
  cursor: pointer;
}
.nx-acct-switcher select:focus { outline: none; border-color: var(--nx-accent); }

/* ── Metric Cards ─────────────────────────────────────────── */
.nx-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 28px; }
.nx-metric {
  background: var(--nx-surface);
  border: 1px solid var(--nx-border);
  border-radius: var(--nx-radius-lg);
  padding: 18px 20px;
}
.nx-metric-label { font-size: 11px; font-weight: 600; color: var(--nx-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.nx-metric-value { font-size: 26px; font-weight: 700; letter-spacing: -1px; color: var(--nx-text); }
.nx-metric-delta { font-size: 12px; margin-top: 4px; }
.delta-up { color: var(--nx-green); }
.delta-down { color: var(--nx-red); }

/* ── Tables ───────────────────────────────────────────────── */
.nx-table-wrap { background: var(--nx-surface); border: 1px solid var(--nx-border); border-radius: var(--nx-radius-lg); overflow: hidden; }
.nx-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.nx-table th {
  background: var(--nx-surface-2);
  color: var(--nx-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--nx-border);
}
.nx-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--nx-border);
  color: var(--nx-text);
  vertical-align: middle;
}
.nx-table tbody tr:last-child td { border-bottom: none; }
.nx-table tbody tr:hover { background: rgba(255,255,255,0.02); }

/* ── Badges ───────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 2px 9px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .02em;
}
.badge-green  { background: var(--nx-green-dim); color: var(--nx-green); }
.badge-red    { background: var(--nx-red-dim);   color: var(--nx-red); }
.badge-blue   { background: var(--nx-accent-dim);color: var(--nx-accent); }
.badge-amber  { background: var(--nx-amber-dim); color: var(--nx-amber); }
.badge-gray   { background: rgba(255,255,255,.06); color: var(--nx-muted); }
.badge-dot::before { content: '●'; margin-right: 4px; font-size: 8px; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: var(--nx-radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: all .15s;
  font-family: var(--nx-font);
}
.btn-primary { background: var(--nx-accent); color: #fff; }
.btn-primary:hover { background: #2563eb; }
.btn-ghost { background: transparent; color: var(--nx-muted); border-color: var(--nx-border-mid); }
.btn-ghost:hover { color: var(--nx-text); background: rgba(255,255,255,.04); }
.btn-danger { background: var(--nx-red-dim); color: var(--nx-red); border-color: rgba(239,68,68,.3); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 6px; }

/* ── Forms ────────────────────────────────────────────────── */
.nx-form-group { margin-bottom: 18px; }
.nx-label { display: block; font-size: 12px; font-weight: 600; color: var(--nx-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .05em; }
.nx-input, .nx-select, .nx-textarea {
  width: 100%;
  background: var(--nx-surface-2);
  border: 1px solid var(--nx-border-mid);
  color: var(--nx-text);
  padding: 9px 12px;
  border-radius: var(--nx-radius);
  font-size: 13px;
  font-family: var(--nx-font);
  transition: border-color .15s;
}
.nx-input:focus, .nx-select:focus, .nx-textarea:focus {
  outline: none;
  border-color: var(--nx-accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.nx-input.mono { font-family: var(--nx-font-mono); font-size: 12px; letter-spacing: .04em; }
.nx-input-group { display: flex; gap: 8px; }
.nx-input-group .nx-input { flex: 1; }

/* ── Cards ────────────────────────────────────────────────── */
.nx-card {
  background: var(--nx-surface);
  border: 1px solid var(--nx-border);
  border-radius: var(--nx-radius-lg);
  padding: 20px 24px;
}
.nx-card-title { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.nx-card-sub { font-size: 12px; color: var(--nx-muted); margin-bottom: 16px; }

/* ── Section Heading ──────────────────────────────────────── */
.nx-section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.nx-section-title { font-size: 15px; font-weight: 700; }
.nx-section-sub { font-size: 12px; color: var(--nx-muted); margin-top: 2px; }

/* ── Status Dot ───────────────────────────────────────────── */
.status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.status-dot.green  { background: var(--nx-green); box-shadow: 0 0 6px var(--nx-green); }
.status-dot.red    { background: var(--nx-red); }
.status-dot.amber  { background: var(--nx-amber); }
.status-dot.gray   { background: var(--nx-muted); }

/* ── Alert Banner ─────────────────────────────────────────── */
.nx-alert { padding: 12px 16px; border-radius: var(--nx-radius); margin-bottom: 16px; font-size: 13px; display: flex; align-items: flex-start; gap: 10px; }
.nx-alert-amber { background: var(--nx-amber-dim); border: 1px solid rgba(245,158,11,.25); color: var(--nx-amber); }
.nx-alert-red   { background: var(--nx-red-dim);   border: 1px solid rgba(239,68,68,.25);  color: var(--nx-red); }
.nx-alert-green { background: var(--nx-green-dim); border: 1px solid rgba(34,197,94,.25);  color: var(--nx-green); }
.nx-alert-blue  { background: var(--nx-accent-dim);border: 1px solid rgba(59,130,246,.25); color: var(--nx-accent); }

/* ── Progress Bar ─────────────────────────────────────────── */
.nx-progress { height: 4px; background: var(--nx-surface-2); border-radius: 99px; overflow: hidden; }
.nx-progress-bar { height: 100%; border-radius: 99px; background: var(--nx-accent); transition: width .3s; }

/* ── Toggle Switch ────────────────────────────────────────── */
.nx-toggle { position: relative; display: inline-block; width: 36px; height: 20px; }
.nx-toggle input { opacity: 0; width: 0; height: 0; }
.nx-toggle-slider {
  position: absolute; inset: 0;
  background: var(--nx-surface-2);
  border: 1px solid var(--nx-border-mid);
  border-radius: 99px;
  cursor: pointer;
  transition: .2s;
}
.nx-toggle-slider::before {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  background: var(--nx-muted);
  border-radius: 50%;
  left: 2px; top: 2px;
  transition: .2s;
}
.nx-toggle input:checked + .nx-toggle-slider { background: var(--nx-accent-dim); border-color: var(--nx-accent); }
.nx-toggle input:checked + .nx-toggle-slider::before { transform: translateX(16px); background: var(--nx-accent); }

/* ── Modal ────────────────────────────────────────────────── */
.nx-modal-bg {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 999;
  align-items: center; justify-content: center;
}
.nx-modal-bg.open { display: flex; }
.nx-modal {
  background: var(--nx-surface);
  border: 1px solid var(--nx-border-mid);
  border-radius: var(--nx-radius-lg);
  width: 480px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
}
.nx-modal-title { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.nx-modal-sub { font-size: 12px; color: var(--nx-muted); margin-bottom: 24px; }
.nx-modal-footer { display: flex; gap: 10px; justify-content: flex-end; margin-top: 24px; }

/* ── Flash Messages ───────────────────────────────────────── */
.nx-flash { padding: 12px 16px; border-radius: var(--nx-radius); margin-bottom: 20px; font-size: 13px; font-weight: 500; }
.nx-flash.success { background: var(--nx-green-dim); color: var(--nx-green); }
.nx-flash.error   { background: var(--nx-red-dim);   color: var(--nx-red); }

/* ── Topbar elements ──────────────────────────────────────── */
.nx-topbar-left { display: flex; align-items: center; gap: 12px; }
.nx-topbar-right { display: flex; align-items: center; gap: 16px; }
.nx-breadcrumb { font-size: 14px; font-weight: 600; color: var(--nx-text); }
.nx-breadcrumb span { color: var(--nx-muted); font-weight: 400; }
.nx-user-pill { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--nx-muted); cursor: pointer; }
.nx-user-avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--nx-accent-dim); color: var(--nx-accent); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 12px; }

/* ── Page-level grid ──────────────────────────────────────── */
.nx-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .nx-grid-2 { grid-template-columns: 1fr; } }

/* ── Utility ──────────────────────────────────────────────── */
.mono { font-family: var(--nx-font-mono); }
.text-muted { color: var(--nx-muted); }
.text-green { color: var(--nx-green); }
.text-red   { color: var(--nx-red); }
.text-amber { color: var(--nx-amber); }
.text-accent{ color: var(--nx-accent); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: 4px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.ml-auto { margin-left: auto; }
.w-full { width: 100%; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.2); }

/* Prevent white flash on select click */
.nx-acct-switcher select,
.nx-select,
select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-color: var(--nx-surface-2) !important;
  color: var(--nx-text) !important;
}
select option {
  background-color: #1a1e2a;
  color: #e8eaf0;
}