/* ── MRZ Design Tokens ───────────────────────────────────────────────────── */
:root {
  --mrz-dark:        #0f172a;
  --mrz-surface:     #1e293b;
  --mrz-accent:      #06b6d4;
  --mrz-accent-dim:  rgba(6, 182, 212, 0.12);
  --mrz-online:      #10b981;
  --mrz-text-light:  #f1f5f9;
  --mrz-muted:       #94a3b8;
}

/* ── Base ────────────────────────────────────────────────────────────────── */
html {
  font-size: 14px;
  scroll-behavior: smooth;
}

@media (min-width: 768px) {
  html { font-size: 16px; }
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: #f8fafc;
  color: #1e293b;
}

/* ── Focus ring ──────────────────────────────────────────────────────────── */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus,
.form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--mrz-accent);
}

/* ── Navbar ──────────────────────────────────────────────────────────────── */
.navbar-mrz {
  background-color: var(--mrz-dark) !important;
  border-bottom: 1px solid rgba(6, 182, 212, 0.2);
}

.navbar-mrz .navbar-brand {
  color: var(--mrz-accent) !important;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.navbar-mrz .nav-link {
  color: var(--mrz-muted) !important;
  transition: color 0.15s;
}

.navbar-mrz .nav-link:hover,
.navbar-mrz .nav-link.active {
  color: var(--mrz-text-light) !important;
}

.navbar-mrz .navbar-toggler {
  border-color: rgba(255,255,255,0.2);
}

/* Login partial links in dark navbar */
.navbar-mrz a:not(.navbar-brand):not(.nav-link) {
  color: var(--mrz-muted);
}
.navbar-mrz a:not(.navbar-brand):not(.nav-link):hover {
  color: var(--mrz-text-light);
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.footer {
  background-color: var(--mrz-dark);
  border-top: 1px solid rgba(6, 182, 212, 0.15) !important;
  padding: 1rem 0;
}

.footer a, .footer .text-muted {
  color: var(--mrz-muted) !important;
}

.footer a:hover {
  color: var(--mrz-accent) !important;
}

/* ── Hero ────────────────────────────────────────────────────────────────── */
.mrz-hero {
  background: linear-gradient(135deg, var(--mrz-dark) 0%, #0c1a3a 60%, #0d2040 100%);
  color: var(--mrz-text-light);
  padding: 4rem 2.5rem 3rem;
  margin-bottom: 0;
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}

.mrz-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(6,182,212,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(6,182,212,0.05) 0%, transparent 40%);
  pointer-events: none;
}

.mrz-hero .display-4 {
  font-weight: 800;
  letter-spacing: -0.03em;
}

.mrz-hero .lead {
  color: var(--mrz-muted);
  font-size: 1.15rem;
}

.mrz-hero .accent {
  color: var(--mrz-accent);
}

/* ── Feature strip ───────────────────────────────────────────────────────── */
.mrz-features {
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
  padding: 3rem 0;
}

.mrz-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--mrz-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* ── Page header ─────────────────────────────────────────────────────────── */
.mrz-page-header {
  background: var(--mrz-dark);
  color: var(--mrz-text-light);
  padding: 2rem 0 1.5rem;
  margin: -1rem -12px 2rem;   /* bleed to container edges */
  padding-left: 12px;
  padding-right: 12px;
}

.mrz-page-header h1 {
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0;
}

.mrz-page-header .text-muted {
  color: var(--mrz-muted) !important;
}

/* ── Robot cards ─────────────────────────────────────────────────────────── */
.robot-card {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  transition: box-shadow 0.2s, transform 0.2s;
  background: #fff;
  height: 100%;
}

.robot-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.robot-card .card-body {
  padding: 1.5rem;
}

.robot-card .robot-name {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--mrz-dark);
}

/* ── Status badges ───────────────────────────────────────────────────────── */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 5px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

.status-dot.online {
  background: var(--mrz-online);
  animation: pulse-green 2s infinite;
}

.status-dot.offline { background: #94a3b8; }
.status-dot.busy    { background: #f59e0b; }

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
  50%       { box-shadow: 0 0 0 5px rgba(16,185,129,0); }
}

/* ── Control chips ───────────────────────────────────────────────────────── */
.control-chip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: #f8fafc;
}

.control-chip-type {
  background: var(--mrz-accent-dim);
  color: var(--mrz-accent);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* ── Terminal log ────────────────────────────────────────────────────────── */
.mrz-terminal {
  background: var(--mrz-dark);
  color: #4ade80;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 0.82rem;
  border-radius: 10px;
  padding: 1rem;
  height: 300px;
  overflow-y: auto;
  border: 1px solid rgba(6,182,212,0.2);
  line-height: 1.6;
}

.mrz-terminal::-webkit-scrollbar { width: 6px; }
.mrz-terminal::-webkit-scrollbar-track { background: transparent; }
.mrz-terminal::-webkit-scrollbar-thumb { background: #334155; border-radius: 3px; }

/* ── Forms ───────────────────────────────────────────────────────────────── */
.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* ── Control editor ────────────────────────────────────────────────────────── */
.control-editor-card {
  border-radius: 12px;
}

.control-editor-form .form-label {
  font-weight: 600;
}

.control-slider-settings {
  background: var(--mrz-dark);
  border: 1px solid rgba(6, 182, 212, 0.25);
}

.control-slider-settings-title {
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
  color: var(--mrz-muted);
}

.control-slider-label {
  color: var(--mrz-text-light);
}

/* ── Drive page ──────────────────────────────────────────────────────────── */
.drive-header {
  background: var(--mrz-dark);
  color: var(--mrz-text-light);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.drive-header h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

#remote-video {
  border-radius: 12px;
  border: 1px solid rgba(6,182,212,0.3) !important;
  background: var(--mrz-dark) !important;
}

/* ── Utility ─────────────────────────────────────────────────────────────── */
.btn-accent {
  background-color: var(--mrz-accent);
  color: #fff;
  border: none;
}
.btn-accent:hover {
  background-color: #0891b2;
  color: #fff;
}

/* Manage nav pills */
.nav-pills .nav-link {
  color: var(--mrz-dark);
  border-radius: 6px;
}
.nav-pills .nav-link.active,
.nav-pills .show > .nav-link {
  background-color: var(--mrz-accent);
  color: #fff;
}
.nav-pills .nav-link:hover:not(.active) {
  background-color: var(--mrz-accent-dim);
  color: var(--mrz-accent);
}