/* ═══════════════════════════════════════════════════════
   UltraX-OS · Design System "Obsidian Command"
   Enterprise-grade · Futurista usable · Mobile-first
   ═══════════════════════════════════════════════════════ */

:root {
  /* Núcleo cromático */
  --bg-void: #07070c;
  --bg-deep: #0b0b14;
  --bg-panel: rgba(18, 18, 30, 0.72);
  --bg-panel-solid: #12121e;
  --bg-raised: rgba(28, 28, 46, 0.85);
  --border-subtle: rgba(120, 130, 200, 0.12);
  --border-active: rgba(99, 102, 241, 0.45);
  --txt-primary: #eef0fb;
  --txt-secondary: #9aa0c0;
  --txt-muted: #5c6284;
  /* Acentos */
  --ax-indigo: #6366f1;
  --ax-cyan: #06b6d4;
  --ax-violet: #8b5cf6;
  --ax-emerald: #10b981;
  --ax-amber: #f59e0b;
  --ax-rose: #f43f5e;
  --grad-core: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --grad-warm: linear-gradient(135deg, #f59e0b 0%, #f43f5e 100%);
  /* Métricas */
  --r-sm: 10px; --r-md: 16px; --r-lg: 22px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --sidebar-w: 248px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg-void);
  color: var(--txt-primary);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  font-size: 14px;
}
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 45% at 18% -5%, rgba(99,102,241,0.13), transparent 60%),
    radial-gradient(ellipse 45% 40% at 95% 8%, rgba(6,182,212,0.09), transparent 55%),
    radial-gradient(ellipse 55% 55% at 60% 110%, rgba(139,92,246,0.08), transparent 60%);
}
body::after {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.35;
  background-image:
    linear-gradient(rgba(120,130,200,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,130,200,0.03) 1px, transparent 1px);
  background-size: 44px 44px;
}
.hidden { display: none !important; }
::selection { background: rgba(99,102,241,0.4); }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.25); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.45); }

/* ── BOOT SCREEN ── */
#boot-screen {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--bg-void);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 22px; transition: opacity 0.6s ease, visibility 0.6s;
}
#boot-screen.fade { opacity: 0; visibility: hidden; }
.boot-core { position: relative; width: 96px; height: 96px; display: grid; place-items: center; }
.boot-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--ax-indigo); border-right-color: var(--ax-cyan);
  animation: spin 1.1s linear infinite;
}
.boot-ring::after {
  content: ''; position: absolute; inset: 8px; border-radius: 50%;
  border: 1px solid transparent; border-bottom-color: var(--ax-violet);
  animation: spin 1.8s linear infinite reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }
.boot-logo {
  font-family: var(--font-display); font-weight: 700; font-size: 26px;
  background: var(--grad-core); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.boot-text {
  font-family: var(--font-display); font-size: 24px; font-weight: 700; letter-spacing: 6px;
}
.boot-text span { color: var(--ax-cyan); }
.boot-sub { font-family: var(--font-mono); font-size: 11px; color: var(--txt-muted); letter-spacing: 1px; animation: pulse-txt 1.6s ease-in-out infinite; }
@keyframes pulse-txt { 0%,100% { opacity: 0.4 } 50% { opacity: 1 } }

/* ── APP LAYOUT ── */
#app { position: relative; z-index: 1; display: flex; min-height: 100dvh; }

/* Sidebar */
#sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  background: rgba(10,10,18,0.88); backdrop-filter: blur(24px);
  border-right: 1px solid var(--border-subtle);
  display: flex; flex-direction: column;
  position: fixed; top: 0; bottom: 0; left: 0; z-index: 60;
  transition: transform 0.32s cubic-bezier(0.22,1,0.36,1);
}
.brand {
  display: flex; align-items: center; gap: 12px; padding: 22px 20px 18px;
  border-bottom: 1px solid var(--border-subtle);
}
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad-core); font-family: var(--font-display); font-weight: 700; font-size: 15px;
  box-shadow: 0 0 24px rgba(99,102,241,0.45);
}
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 17px; letter-spacing: 1.5px; }
.brand-name em { font-style: normal; color: var(--ax-cyan); }
.brand-tag { font-size: 9.5px; color: var(--txt-muted); letter-spacing: 2.2px; text-transform: uppercase; margin-top: 2px; }

.nav-section { padding: 14px 12px 4px; font-size: 9.5px; letter-spacing: 2.5px; color: var(--txt-muted); text-transform: uppercase; font-weight: 600; }
nav { flex: 1; overflow-y: auto; padding-bottom: 12px; }
.nav-item {
  display: flex; align-items: center; gap: 12px; margin: 2px 10px; padding: 10px 12px;
  border-radius: var(--r-sm); cursor: pointer; color: var(--txt-secondary);
  font-size: 13.5px; font-weight: 500; transition: all 0.18s ease;
  border: 1px solid transparent; position: relative;
}
.nav-item i { width: 18px; text-align: center; font-size: 14px; opacity: 0.85; }
.nav-item:hover { color: var(--txt-primary); background: rgba(99,102,241,0.08); }
.nav-item.active {
  color: var(--txt-primary); background: rgba(99,102,241,0.14);
  border-color: var(--border-active);
  box-shadow: inset 0 0 20px rgba(99,102,241,0.08);
}
.nav-item.active::before {
  content: ''; position: absolute; left: -10px; top: 22%; bottom: 22%; width: 3px;
  background: var(--grad-core); border-radius: 3px;
}

.sidebar-foot { padding: 14px; border-top: 1px solid var(--border-subtle); }
#install-btn {
  width: 100%; padding: 12px; border: none; border-radius: var(--r-sm);
  background: var(--grad-core); color: #fff; font-family: var(--font-display);
  font-weight: 600; font-size: 13px; cursor: pointer; letter-spacing: 0.5px;
  display: flex; align-items: center; justify-content: center; gap: 9px;
  box-shadow: 0 4px 22px rgba(99,102,241,0.35); transition: transform 0.15s, box-shadow 0.2s;
}
#install-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 30px rgba(99,102,241,0.5); }
.mode-pill {
  margin-top: 10px; display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; border-radius: var(--r-sm); background: var(--bg-panel);
  border: 1px solid var(--border-subtle); font-size: 11.5px; color: var(--txt-secondary); cursor: pointer;
}
.mode-pill b { color: var(--ax-cyan); font-weight: 600; text-transform: capitalize; }

/* Main */
#main { flex: 1; margin-left: var(--sidebar-w); min-width: 0; padding: 0 28px 56px; }
#topbar {
  position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 16px;
  padding: 16px 0 14px; background: linear-gradient(180deg, var(--bg-void) 70%, transparent);
}
#menu-toggle { display: none; }
.top-title { flex: 1; }
.top-title h1 { font-family: var(--font-display); font-size: 21px; font-weight: 700; letter-spacing: 0.3px; }
.top-title p { font-size: 12px; color: var(--txt-muted); margin-top: 1px; }
.status-orb {
  display: flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
  background: var(--bg-panel); border: 1px solid var(--border-subtle);
  font-size: 11.5px; color: var(--txt-secondary); font-family: var(--font-mono);
}
.orb { width: 8px; height: 8px; border-radius: 50%; background: var(--ax-emerald); box-shadow: 0 0 10px var(--ax-emerald); animation: pulse-orb 2s ease-in-out infinite; }
@keyframes pulse-orb { 0%,100% { opacity: 1 } 50% { opacity: 0.45 } }

/* ── COMPONENTES ── */
.panel {
  background: var(--bg-panel); backdrop-filter: blur(18px);
  border: 1px solid var(--border-subtle); border-radius: var(--r-md);
  padding: 20px; position: relative; overflow: hidden;
}
.panel::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.5), transparent);
  opacity: 0; transition: opacity 0.3s;
}
.panel:hover::before { opacity: 1; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 10px; flex-wrap: wrap; }
.panel-title { font-family: var(--font-display); font-size: 14.5px; font-weight: 600; display: flex; align-items: center; gap: 9px; }
.panel-title i { color: var(--ax-indigo); font-size: 13px; }

.grid { display: grid; gap: 16px; }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-23 { grid-template-columns: 2fr 1fr; }
.mt { margin-top: 16px; }

/* KPI cards */
.kpi {
  background: var(--bg-panel); border: 1px solid var(--border-subtle); border-radius: var(--r-md);
  padding: 18px; position: relative; overflow: hidden; transition: border-color 0.25s, transform 0.2s;
}
.kpi:hover { border-color: var(--border-active); transform: translateY(-2px); }
.kpi-icon {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  font-size: 15px; margin-bottom: 12px;
}
.kpi-val { font-family: var(--font-display); font-size: 27px; font-weight: 700; line-height: 1; }
.kpi-label { font-size: 11.5px; color: var(--txt-muted); margin-top: 6px; letter-spacing: 0.3px; }
.kpi-delta { position: absolute; top: 16px; right: 16px; font-family: var(--font-mono); font-size: 10.5px; padding: 3px 8px; border-radius: 6px; }
.d-up { color: var(--ax-emerald); background: rgba(16,185,129,0.1); }
.d-info { color: var(--ax-cyan); background: rgba(6,182,212,0.1); }

/* Badges / chips */
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 3.5px 10px; border-radius: 999px; font-size: 10.5px; font-weight: 600; letter-spacing: 0.4px; }
.chip-observe { background: rgba(148,163,184,0.14); color: #b0bacf; }
.chip-orient  { background: rgba(6,182,212,0.14); color: #4dd8ee; }
.chip-decide  { background: rgba(139,92,246,0.16); color: #b195f8; }
.chip-act     { background: rgba(245,158,11,0.15); color: #fbbf5c; }
.chip-verify  { background: rgba(16,185,129,0.15); color: #43d9a3; }
.chip-closed  { background: rgba(100,110,140,0.15); color: #8a92ae; }
.chip-critical{ background: rgba(244,63,94,0.16); color: #fb7196; }
.chip-high    { background: rgba(245,158,11,0.14); color: #fbbf5c; }
.chip-medium  { background: rgba(6,182,212,0.12); color: #4dd8ee; }
.chip-low     { background: rgba(148,163,184,0.12); color: #a3adc4; }
.chip-connected { background: rgba(16,185,129,0.15); color: #43d9a3; }
.chip-disconnected { background: rgba(100,110,140,0.14); color: #8a92ae; }
.chip-error { background: rgba(244,63,94,0.15); color: #fb7196; }
.chip-healed { background: rgba(16,185,129,0.15); color: #43d9a3; }
.chip-treating { background: rgba(245,158,11,0.14); color: #fbbf5c; }
.chip-diagnosed { background: rgba(139,92,246,0.15); color: #b195f8; }
.chip-detected { background: rgba(244,63,94,0.14); color: #fb7196; }
.chip-monitoring { background: rgba(6,182,212,0.13); color: #4dd8ee; }

/* Listas */
.row-item {
  display: flex; align-items: center; gap: 13px; padding: 13px 14px;
  border-radius: var(--r-sm); border: 1px solid transparent;
  transition: all 0.18s; cursor: pointer;
}
.row-item:hover { background: rgba(99,102,241,0.07); border-color: var(--border-subtle); }
.row-main { flex: 1; min-width: 0; }
.row-title { font-size: 13.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row-sub { font-size: 11.5px; color: var(--txt-muted); margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row-uid { font-family: var(--font-mono); font-size: 10px; color: var(--ax-indigo); }

/* Botones */
.btn {
  padding: 10px 18px; border-radius: var(--r-sm); border: 1px solid var(--border-subtle);
  background: var(--bg-raised); color: var(--txt-primary); font-size: 12.5px; font-weight: 600;
  cursor: pointer; font-family: var(--font-body); transition: all 0.18s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn:hover { border-color: var(--border-active); background: rgba(99,102,241,0.12); }
.btn-primary { background: var(--grad-core); border: none; box-shadow: 0 3px 16px rgba(99,102,241,0.3); }
.btn-primary:hover { box-shadow: 0 6px 24px rgba(99,102,241,0.45); background: var(--grad-core); }
.btn-sm { padding: 6.5px 13px; font-size: 11.5px; }
.btn-ghost { background: transparent; }

/* Formularios */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--txt-muted); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 14px; border-radius: var(--r-sm);
  background: rgba(8,8,16,0.7); border: 1px solid var(--border-subtle);
  color: var(--txt-primary); font-size: 13px; font-family: var(--font-body);
  outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--ax-indigo); box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.field textarea { resize: vertical; min-height: 90px; }
.field-mono input, .field-mono textarea { font-family: var(--font-mono); font-size: 12px; }

/* Terminal */
.terminal {
  background: #05050a; border: 1px solid var(--border-subtle); border-radius: var(--r-md);
  font-family: var(--font-mono); font-size: 12px; overflow: hidden;
}
.term-head {
  display: flex; align-items: center; gap: 8px; padding: 11px 16px;
  background: rgba(18,18,30,0.9); border-bottom: 1px solid var(--border-subtle);
}
.term-dot { width: 10px; height: 10px; border-radius: 50%; }
.term-title { margin-left: 8px; font-size: 11px; color: var(--txt-muted); letter-spacing: 1px; }
.term-body { padding: 16px; max-height: 380px; overflow-y: auto; line-height: 1.7; }
.term-line { white-space: pre-wrap; word-break: break-word; }
.t-prompt { color: var(--ax-cyan); }
.t-ok { color: var(--ax-emerald); }
.t-err { color: var(--ax-rose); }
.t-dim { color: var(--txt-muted); }
.t-key { color: var(--ax-violet); }

/* Agentes */
.agent-card {
  background: var(--bg-panel); border: 1px solid var(--border-subtle); border-radius: var(--r-md);
  padding: 18px; transition: all 0.22s; position: relative; overflow: hidden;
}
.agent-card:hover { border-color: var(--border-active); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.4); }
.agent-head { display: flex; align-items: center; gap: 13px; margin-bottom: 12px; }
.agent-avatar {
  width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  font-size: 17px; flex-shrink: 0;
}
.agent-name { font-family: var(--font-display); font-weight: 700; font-size: 15px; letter-spacing: 1px; }
.agent-role { font-size: 10.5px; color: var(--txt-muted); text-transform: uppercase; letter-spacing: 1.5px; margin-top: 2px; }
.agent-desc { font-size: 12px; color: var(--txt-secondary); line-height: 1.55; margin-bottom: 13px; min-height: 38px; }
.agent-stats { display: flex; gap: 14px; padding-top: 12px; border-top: 1px solid var(--border-subtle); }
.astat { flex: 1; }
.astat b { display: block; font-family: var(--font-mono); font-size: 14px; }
.astat span { font-size: 9.5px; color: var(--txt-muted); text-transform: uppercase; letter-spacing: 0.8px; }
.swarm-tag { position: absolute; top: 14px; right: 14px; font-family: var(--font-mono); font-size: 9px; padding: 3px 8px; border-radius: 6px; background: rgba(99,102,241,0.12); color: var(--ax-indigo); letter-spacing: 1px; text-transform: uppercase; }

/* OODA pipeline */
.ooda-pipeline { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 6px; }
.ooda-col { min-width: 250px; flex: 1; }
.ooda-col-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; border-radius: var(--r-sm) var(--r-sm) 0 0;
  font-family: var(--font-display); font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
}
.ooda-col-body { background: rgba(10,10,18,0.5); border: 1px solid var(--border-subtle); border-top: none; border-radius: 0 0 var(--r-sm) var(--r-sm); padding: 10px; min-height: 140px; display: flex; flex-direction: column; gap: 8px; }
.ooda-card {
  background: var(--bg-panel-solid); border: 1px solid var(--border-subtle); border-radius: var(--r-sm);
  padding: 12px; cursor: pointer; transition: all 0.18s;
}
.ooda-card:hover { border-color: var(--border-active); transform: translateY(-1px); }
.ooda-card-title { font-size: 12.5px; font-weight: 600; line-height: 1.4; margin: 6px 0; }
.ooda-meta { display: flex; align-items: center; gap: 8px; font-size: 10px; color: var(--txt-muted); font-family: var(--font-mono); flex-wrap: wrap; }

/* Health bars */
.health-track { height: 6px; border-radius: 6px; background: rgba(120,130,200,0.12); overflow: hidden; }
.health-fill { height: 100%; border-radius: 6px; transition: width 0.8s cubic-bezier(0.22,1,0.36,1); }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200; background: rgba(4,4,10,0.75); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  animation: fadein 0.2s ease;
}
@keyframes fadein { from { opacity: 0 } to { opacity: 1 } }
.modal {
  width: 100%; max-width: 640px; max-height: 88vh; overflow-y: auto;
  background: var(--bg-panel-solid); border: 1px solid var(--border-active);
  border-radius: var(--r-lg); padding: 26px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 60px rgba(99,102,241,0.12);
  animation: slideup 0.28s cubic-bezier(0.22,1,0.36,1);
}
@keyframes slideup { from { transform: translateY(24px); opacity: 0 } to { transform: translateY(0); opacity: 1 } }
.modal h3 { font-family: var(--font-display); font-size: 18px; margin-bottom: 4px; }
.modal-sub { font-size: 12px; color: var(--txt-muted); margin-bottom: 20px; }
.modal-close { position: absolute; } 

/* Toast */
#toast-zone { position: fixed; bottom: 22px; right: 22px; z-index: 400; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: var(--bg-panel-solid); border: 1px solid var(--border-active); border-radius: var(--r-sm);
  padding: 13px 18px; font-size: 12.5px; display: flex; align-items: center; gap: 10px;
  box-shadow: 0 10px 34px rgba(0,0,0,0.5); animation: slideup 0.3s ease; max-width: 360px;
}
.toast i { color: var(--ax-emerald); }
.toast.err i { color: var(--ax-rose); }

/* Install experience */
.install-hero {
  text-align: center; padding: 30px 20px;
}
.install-hero .brand-mark { width: 72px; height: 72px; border-radius: 20px; font-size: 26px; margin: 0 auto 18px; }
.platform-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 18px; text-align: left; }
.platform-card {
  padding: 16px; border-radius: var(--r-md); background: var(--bg-panel);
  border: 1px solid var(--border-subtle); transition: border-color 0.2s;
}
.platform-card:hover { border-color: var(--border-active); }
.platform-card.detected { border-color: var(--ax-cyan); box-shadow: 0 0 24px rgba(6,182,212,0.12); }
.platform-card h4 { font-size: 13px; display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-family: var(--font-display); }
.platform-card ol { padding-left: 18px; font-size: 11.5px; color: var(--txt-secondary); line-height: 1.7; }
.detected-tag { font-size: 9px; padding: 2px 8px; border-radius: 999px; background: rgba(6,182,212,0.15); color: var(--ax-cyan); letter-spacing: 1px; margin-left: auto; }

/* Knowledge graph canvas */
#graph-canvas { width: 100%; height: 420px; border-radius: var(--r-md); background: rgba(5,5,10,0.6); border: 1px solid var(--border-subtle); cursor: grab; }

/* Prediction gauge */
.gauge-row { display: flex; align-items: center; gap: 16px; padding: 12px 0; }
.gauge-label { width: 120px; font-size: 11px; color: var(--txt-muted); text-transform: uppercase; letter-spacing: 1px; }
.gauge-val { font-family: var(--font-mono); font-size: 13px; width: 60px; text-align: right; }

/* Empty state */
.empty { text-align: center; padding: 34px 16px; color: var(--txt-muted); font-size: 12.5px; }
.empty i { font-size: 26px; display: block; margin-bottom: 10px; opacity: 0.4; }

/* View transitions */
.view { animation: viewin 0.35s cubic-bezier(0.22,1,0.36,1); }
@keyframes viewin { from { opacity: 0; transform: translateY(10px) } to { opacity: 1; transform: translateY(0) } }

/* Tabs */
.tabs { display: flex; gap: 6px; background: rgba(8,8,16,0.6); padding: 5px; border-radius: var(--r-sm); border: 1px solid var(--border-subtle); width: fit-content; flex-wrap: wrap; }
.tab { padding: 7px 15px; border-radius: 7px; font-size: 12px; font-weight: 600; color: var(--txt-muted); cursor: pointer; transition: all 0.18s; }
.tab.active { background: rgba(99,102,241,0.18); color: var(--txt-primary); }

/* Sidebar overlay for mobile */
#sidebar-overlay { display: none; position: fixed; inset: 0; z-index: 55; background: rgba(4,4,10,0.6); backdrop-filter: blur(4px); }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .g-3 { grid-template-columns: repeat(2, 1fr); }
  .g-23 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  #sidebar { transform: translateX(-100%); }
  #sidebar.open { transform: translateX(0); box-shadow: 24px 0 60px rgba(0,0,0,0.5); }
  #sidebar.open ~ #sidebar-overlay { display: block; }
  #main { margin-left: 0; padding: 0 14px 90px; }
  #menu-toggle {
    display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px;
    background: var(--bg-panel); border: 1px solid var(--border-subtle); color: var(--txt-primary);
    cursor: pointer; font-size: 15px;
  }
  .g-4, .g-3, .g-2 { grid-template-columns: 1fr; }
  .top-title h1 { font-size: 17px; }
  .platform-grid { grid-template-columns: 1fr; }
  .ooda-col { min-width: 220px; }
}