/* ===================================================================
   ROMAIN JOB — Core Design System Variables & Reset
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Manrope:wght@400;500;600;700;800&family=Orbitron:wght@400;700;900&display=swap');

:root {
  --bg-deep: #0A0E1A;
  --bg-card: rgba(15, 20, 40, 0.85);
  --bg-card-hover: rgba(20, 28, 55, 0.9);
  --cyan: #00D4FF;
  --amber: #FFB800;
  --green: #00FF88;
  --danger: #FF4444;
  --orange: #FF8800;
  --violet: #8888FF;
  --text: #E0E8FF;
  --text-muted: rgba(224, 232, 255, 0.5);
  --text-dim: rgba(224, 232, 255, 0.3);
  --border: rgba(0, 212, 255, 0.15);
  --border-glow: rgba(0, 212, 255, 0.4);
  --grid-line: rgba(0, 212, 255, 0.06);
  --font-mono: 'Share Tech Mono', 'Courier New', monospace;
  --font-sans: 'Manrope', system-ui, sans-serif;
  --font-hud: 'Orbitron', sans-serif;
  --radius: 8px;
  --radius-lg: 14px;
  --shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
  --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.3), 0 0 40px rgba(0, 212, 255, 0.1);
  --glow-amber: 0 0 20px rgba(255, 184, 0, 0.3), 0 0 40px rgba(255, 184, 0, 0.1);
  --sidebar-w: 220px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { height: 100%; }

body {
  min-height: 100vh;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: rgba(0,212,255,0.05); }
::-webkit-scrollbar-thumb { background: rgba(0,212,255,0.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,212,255,0.4); }

/* === HUD GRID BACKGROUND === */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
  transform: perspective(800px) rotateX(8deg);
  transform-origin: top center;
}

/* === PARTICLE STARS === */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(0,212,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 65%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 40% 10%, rgba(0,212,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 55% 45%, rgba(255,255,255,0.2) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 80%, rgba(0,212,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 30%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 92% 70%, rgba(0,212,255,0.5) 0%, transparent 100%),
    radial-gradient(2px 2px at 15% 85%, rgba(255,184,0,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 15%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 78% 55%, rgba(0,255,136,0.3) 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
  animation: stars-drift 30s linear infinite;
}

@keyframes stars-drift {
  0% { transform: translateY(0); }
  100% { transform: translateY(-10px); }
}

/* === LAYOUT === */
.app-layout {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* === SIDEBAR === */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: rgba(8, 12, 25, 0.95);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 100;
}

.sidebar-logo {
  padding: 24px 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 28px;
  filter: drop-shadow(0 0 8px var(--cyan));
  animation: logo-pulse 4s ease-in-out infinite;
}

@keyframes logo-pulse {
  0%, 100% { filter: drop-shadow(0 0 8px var(--cyan)); }
  50% { filter: drop-shadow(0 0 18px var(--cyan)) drop-shadow(0 0 30px rgba(0,212,255,0.3)); }
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-hud);
  font-size: 14px;
  font-weight: 900;
  color: var(--cyan);
  letter-spacing: 2px;
  text-shadow: 0 0 10px rgba(0,212,255,0.5);
}

.logo-subtitle {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  cursor: pointer;
  transition: all 0.2s;
  border-left: 3px solid transparent;
  position: relative;
  user-select: none;
}

.nav-item:hover {
  background: rgba(0, 212, 255, 0.06);
  border-left-color: rgba(0, 212, 255, 0.4);
}

.nav-item.active {
  background: rgba(0, 212, 255, 0.1);
  border-left-color: var(--cyan);
}

.nav-item.active .nav-label {
  color: var(--cyan);
}

.nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.nav-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav-item.active .nav-label { color: var(--cyan); }

.nav-badge {
  margin-left: auto;
  background: var(--amber);
  color: #000;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 10px;
  font-family: var(--font-mono);
  animation: badge-blink 2s ease-in-out infinite;
}

@keyframes badge-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
}

.system-status {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-dim);
  line-height: 1.8;
}

.status-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  margin-right: 5px;
  animation: blink-green 2s ease-in-out infinite;
}

.status-dot.green { background: var(--green); }
.status-dot.amber { background: var(--amber); animation-delay: 0.5s; }

@keyframes blink-green {
  0%, 100% { opacity: 1; box-shadow: 0 0 4px currentColor; }
  50% { opacity: 0.3; box-shadow: none; }
}

/* === MAIN CONTENT === */
.main-content {
  flex: 1;
  overflow-y: auto;
  min-width: 0;
}

.page {
  display: none;
  padding: 28px 32px;
  min-height: 100vh;
}

.page.active {
  display: block;
}

/* === PAGE HEADER === */
.page-header {
  margin-bottom: 28px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.page-title-group {}

.page-prefix {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--cyan);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.page-title {
  font-family: var(--font-hud);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 2px;
}

.page-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* === GLASS CARDS === */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.glass-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--glow-cyan);
}

/* === STATUS BADGES === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  font-weight: 700;
  border: 1px solid;
  position: relative;
}

.badge::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.badge-armed {
  color: var(--amber);
  border-color: rgba(255,184,0,0.3);
  background: rgba(255,184,0,0.08);
}

.badge-armed::before { animation: blink-green 1.5s ease-in-out infinite; }

.badge-active {
  color: var(--cyan);
  border-color: rgba(0,212,255,0.3);
  background: rgba(0,212,255,0.08);
}

.badge-cleared {
  color: var(--green);
  border-color: rgba(0,255,136,0.3);
  background: rgba(0,255,136,0.08);
}

.badge-landed {
  color: var(--violet);
  border-color: rgba(136,136,255,0.3);
  background: rgba(136,136,255,0.08);
}

/* === ACTION BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border: 1px solid;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: rgba(0,212,255,0.12);
  border-color: rgba(0,212,255,0.4);
  color: var(--cyan);
}

.btn-primary:hover {
  background: rgba(0,212,255,0.22);
  box-shadow: var(--glow-cyan);
}

.btn-amber {
  background: rgba(255,184,0,0.12);
  border-color: rgba(255,184,0,0.4);
  color: var(--amber);
}

.btn-amber:hover {
  background: rgba(255,184,0,0.22);
  box-shadow: var(--glow-amber);
}

.btn-green {
  background: rgba(0,255,136,0.1);
  border-color: rgba(0,255,136,0.35);
  color: var(--green);
}

.btn-green:hover {
  background: rgba(0,255,136,0.2);
  box-shadow: 0 0 20px rgba(0,255,136,0.25);
}

.btn-danger {
  background: rgba(255,68,68,0.1);
  border-color: rgba(255,68,68,0.35);
  color: var(--danger);
}

.btn-sm { padding: 5px 11px; font-size: 10px; }

/* === TOAST === */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: rgba(15, 20, 40, 0.95);
  border: 1px solid var(--cyan);
  color: var(--text);
  padding: 12px 20px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  box-shadow: var(--glow-cyan);
  z-index: 9999;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ===== MOBILE BOTTOM NAV (hidden by default, shown on mobile) ===== */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  background: rgba(8,12,25,0.97);
  border-top: 1px solid rgba(0,212,255,0.2);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 9999;
  flex-direction: row;
  align-items: stretch;
}
.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  cursor: pointer;
  color: rgba(224,232,255,0.35);
  font-size: 9px;
  font-family: "Share Tech Mono", monospace;
  letter-spacing: 0.5px;
  transition: all 0.2s;
  border-top: 2px solid transparent;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.bottom-nav-item.active {
  color: #00D4FF;
  border-top-color: #00D4FF;
  text-shadow: 0 0 8px rgba(0,212,255,0.6);
}
.bottom-nav-item i { font-size: 17px; }

/* ===== RESPONSIVE ===== */

/* --- TABLET: 768px–1023px --- */
@media (min-width: 768px) and (max-width: 1023px) {
  :root { --sidebar-w: 64px; }
  .logo-text, .nav-label, .sidebar-footer { display: none; }
  .logo-icon { margin: 0 auto; }
  .sidebar-logo { justify-content: center; padding: 16px 8px; }
  .nav-item { justify-content: center; padding: 14px 0; }
  .nav-badge { display: none; }
  .page { padding: 20px 18px; }
  .cockpit-grid { grid-template-columns: 1fr !important; }
  .radar-panel { grid-row: auto !important; }
}

/* --- MOBILE: ≤ 767px --- */
@media (max-width: 767px) {
  /* Show bottom nav, hide sidebar completely */
  .bottom-nav { display: flex !important; }
  .sidebar { display: none !important; width: 0 !important; }

  /* Layout */
  html, body { overflow-x: hidden; }
  body { padding-bottom: 68px; }
  .app-layout { display: block; }
  .main-content { width: 100%; min-width: 0; display: block; }

  /* Pages */
  .page { padding: 14px 12px 20px; }
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .page-title { font-size: 16px; letter-spacing: 1px; }
  .page-prefix { font-size: 9px; }

  /* Action buttons */
  .quick-actions { flex-wrap: wrap; gap: 8px; width: 100%; }
  .quick-actions .btn { font-size: 10px; padding: 8px 12px; flex: 1; min-width: 140px; justify-content: center; }

  /* Toast above bottom nav */
  .toast {
    bottom: 72px;
    right: 12px;
    left: 12px;
    text-align: center;
  }
}