:root {
  color-scheme: dark;
  /* Type — brand fonts. Orbitron (geometric display) for the wordmark and numeric
     telemetry readouts; Red Hat Display for headings and UI text. */
  --font-sans: 'Red Hat Display', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display: 'Orbitron', 'Red Hat Display', system-ui, sans-serif;
  /* Brand / accent ramp — built from Brunswick (#1D674A) & Alaskan Moss (#0E4228).
     Jade is the readable on-dark accent; the deep greens carry solid fills. */
  --apex-primary: #34D6A0;          /* jade — links, accents, icons, button fills, focus */
  --apex-primary-strong: #63E6B6;   /* brighter mint — hover / active emphasis */
  --apex-primary-deep: #1D674A;     /* Brunswick — deep solid fills, toggles, gradients */
  --apex-primary-deeper: #0E4228;   /* Alaskan Moss — deepest accent / pressed */
  --apex-on-accent: #06251A;        /* dark ink on bright jade (buttons) */
  --apex-on-primary: #EAF6EF;       /* light text on deep Brunswick fills */
  /* Accent tints — one source of truth for the jade washes used across the UI */
  --apex-primary-rgb: 52, 214, 160;
  --apex-primary-line: rgba(52, 214, 160, 0.28);     /* accent hairline border */
  --apex-primary-gradient: linear-gradient(180deg, #3FE0AC, #2BC492);
  --apex-primary-glow: 0 0 0 1px rgba(52, 214, 160, 0.32), 0 8px 26px rgba(52, 214, 160, 0.20);
  /* Deep brand greens (Brunswick / Alaskan Moss) as RGB so they can carry tints,
     gradients and the ambient page wash throughout the UI — not just solid fills. */
  --apex-brunswick-rgb: 29, 103, 74;
  --apex-moss-rgb: 14, 66, 40;
  /* Mustard — brand secondary accent for caution states, locks and highlights */
  --apex-gold: #E3AD01;
  --apex-gold-strong: #F4C430;
  --apex-gold-rgb: 227, 173, 1;
  /* Surfaces — layered deep moss with real separation between levels so cards lift
     off the background instead of sitting flat against it. */
  --apex-surface: #070B09;          /* app background (deepened for card contrast) */
  --apex-panel: #0E1411;            /* floating nav / rails */
  --apex-card: #161F1A;             /* cards, widgets, modals */
  --apex-card-raised: #1C2620;      /* elevated / top edge of a card gradient */
  --apex-elevate: rgba(255, 255, 255, 0.05);   /* inset top-edge highlight for depth */
  /* Text */
  --apex-muted: #9DB5A8;
  --apex-muted-strong: #B9CDBF;
  --apex-text: #E6F0EA;
  --apex-heading: #F1F8F4;
  --apex-border: rgba(157, 181, 168, 0.20);
  --apex-border-strong: rgba(157, 181, 168, 0.34);
  --apex-focus-ring: rgba(52, 214, 160, 0.45);
  /* Semantic — status "go" green is a grass green kept deliberately distinct from the
     teal brand jade, so "on / connected / OK" never blends into accents and links. */
  --apex-success: #4ADE80;
  --apex-success-strong: #86EFAC;
  --apex-success-deep: #16A34A;
  --apex-success-rgb: 74, 222, 128;
  --apex-danger: #f87171;
  --apex-warning: var(--apex-gold-strong);
  --apex-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 10px 32px rgba(0, 0, 0, 0.34);
  --apex-accent: var(--apex-primary);
  --bs-body-bg: var(--apex-surface);
  --bs-body-color: var(--apex-text);
  --bs-card-bg: var(--apex-card);
  --bs-card-color: var(--apex-text);
  --bs-card-border-color: var(--apex-border);
  --bs-heading-color: var(--apex-heading);
  --bs-border-color: var(--apex-border);
  --bs-table-color: var(--apex-text);
  --bs-table-bg: transparent;
  --bs-input-bg: rgba(255, 255, 255, 0.04);
  --bs-input-color: var(--apex-text);
  --bs-input-border-color: var(--apex-border);
  --bs-nav-link-color: var(--apex-muted);
  --bs-nav-link-hover-color: var(--apex-heading);
  --bs-dropdown-bg: var(--apex-card);
  --bs-dropdown-color: var(--apex-text);
}

* {
  box-sizing: border-box;
}

html {
  background-color: var(--apex-surface);
  /* Stop iOS Safari from auto-inflating text (e.g. in landscape), which makes
     the UI look unevenly "zoomed in". Honour the user's pinch-zoom, not the
     browser's heuristic. */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--apex-surface);
  color: var(--apex-text);
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

/* Ambient brand wash — Brunswick at the top-right, Alaskan Moss at the bottom-left,
   pinned behind all content so the near-black surface reads as deep moss, not flat
   black. A fixed pseudo avoids the mobile repaint cost of background-attachment. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(var(--apex-brunswick-rgb), 0.22), transparent 60%),
    radial-gradient(900px 560px at -10% 108%, rgba(var(--apex-moss-rgb), 0.30), transparent 55%);
}

h1, h2, h3, h4, h5, h6 {
  letter-spacing: -0.01em;
}

a {
  color: var(--apex-primary);
}

a:hover {
  color: var(--apex-primary-strong);
}

.text-muted {
  color: var(--apex-muted) !important;
}

header {
  position: relative;
  z-index: 2;
}

main {
  position: relative;
  padding-top: 1rem;
  padding-bottom: 2.5rem;
}

.container-xxl {
  max-width: 1240px;
}

.glass-nav {
  background: var(--apex-panel);
  border: 1px solid var(--apex-border);
  border-radius: 12px;
  box-shadow: var(--apex-shadow), inset 0 1px 0 var(--apex-elevate);
  padding: 0.15rem 0.75rem;
}

.navbar-brand {
  font-family: var(--font-display);
  color: #F1F8F4;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(150deg, var(--apex-primary), var(--apex-primary-deep) 68%, var(--apex-primary-deeper));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--apex-on-accent);
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.brand-mark img {
  width: 72%;
  height: 72%;
  object-fit: contain;
  display: block;
}

.brand-mark--lg {
  width: 56px;
  height: 56px;
  border-radius: 14px;
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.4);
}

.navbar .nav-link {
  color: var(--apex-muted);
  padding: 0.3rem 0.7rem;
  font-size: 0.875rem;
  border-radius: 8px;
  transition: color 0.15s ease, background 0.15s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
  color: #E6F0EA;
  background: rgba(var(--apex-brunswick-rgb), 0.24);
}

.navbar .nav-link.active {
  color: #F1F8F4;
  background: rgba(var(--apex-brunswick-rgb), 0.34);
  box-shadow: inset 0 0 0 1px var(--apex-primary-line);
}

.profile-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(52, 214, 160, 0.24);
  border-radius: 50%;
  background: rgba(52, 214, 160, 0.09);
  color: #A7E8CF;
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
}

.profile-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  transition: background 0.15s ease, transform 0.15s ease;
}

.profile-trigger:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}

.dropdown-menu {
  background: var(--apex-card);
  border: 1px solid var(--apex-border);
  border-radius: 10px;
  padding: 0.35rem;
  box-shadow: var(--apex-shadow);
}

.dropdown-item {
  color: var(--apex-text);
  border-radius: 6px;
}

.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.dropdown-menu .text-danger {
  color: #fca5a5 !important;
}

.card {
  background: linear-gradient(180deg, var(--apex-card-raised), var(--apex-card));
  color: var(--apex-text);
  border: 1px solid var(--apex-border);
  border-radius: 12px;
  box-shadow: var(--apex-shadow), inset 0 1px 0 var(--apex-elevate);
}

.card-header {
  background: linear-gradient(180deg, rgba(var(--apex-brunswick-rgb), 0.24), rgba(var(--apex-brunswick-rgb), 0.06));
  border-color: var(--apex-border-strong);
  color: var(--apex-heading);
  padding: 1rem 1.25rem;
}

.card-body {
  color: var(--apex-text);
  padding: 1.25rem;
}

.card.shadow-sm {
  box-shadow: var(--apex-shadow);
}

.table {
  color: var(--apex-text);
  border-color: var(--apex-border);
  --bs-table-cell-padding-y: 0.75rem;
  --bs-table-cell-padding-x: 0.85rem;
}

.table td,
.table th {
  color: var(--apex-text);
}

.table> :not(caption)>*>* {
  background-color: transparent;
  border-color: var(--apex-border);
}

.table thead,
.table-light {
  background: rgba(var(--apex-brunswick-rgb), 0.18);
  color: var(--apex-muted-strong);
}

.table-light th {
  color: #E6F0EA !important;
}

.table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.table-responsive {
  border-radius: 0 0 12px 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35em;
  line-height: 1.15;
  border-radius: 8px;
  border-width: 1px;
  letter-spacing: 0.01em;
  transition: filter 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn svg {
  display: block;
}

.btn:focus {
  box-shadow: none;
}

.btn:focus-visible {
  box-shadow: 0 0 0 0.2rem var(--apex-focus-ring);
}

.btn-primary {
  background: var(--apex-primary-gradient);
  border-color: var(--apex-primary);
  color: var(--apex-on-accent);
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--apex-primary-strong);
  border-color: var(--apex-primary-strong);
  color: var(--apex-on-accent);
  box-shadow: var(--apex-primary-glow);
}

.btn-primary:active,
.btn-primary.active {
  background: var(--apex-primary-deep);
  border-color: var(--apex-primary-deep);
  color: var(--apex-on-primary);
}

.btn-primary:disabled,
.btn-primary.disabled {
  background: var(--apex-primary);
  border-color: var(--apex-primary);
  color: var(--apex-on-accent);
  opacity: 0.45;
}

.btn-outline-primary {
  color: var(--apex-primary);
  border-color: rgba(52, 214, 160, 0.6);
  background: rgba(52, 214, 160, 0.05);
}

.btn-outline-primary:hover {
  background: rgba(52, 214, 160, 0.12);
  color: var(--apex-primary-strong);
}

.btn-outline-secondary {
  color: var(--apex-muted);
  border-color: var(--apex-border);
  background: rgba(255, 255, 255, 0.03);
}

.btn-outline-secondary:hover {
  color: #E6F0EA;
  background: rgba(255, 255, 255, 0.08);
}

.btn-outline-danger {
  color: #fca5a5;
  border-color: rgba(248, 113, 113, 0.35);
  background: rgba(248, 113, 113, 0.06);
}

.btn-outline-danger:hover {
  background: rgba(248, 113, 113, 0.16);
  color: #fecdd3;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: #E6F0EA;
  border: 1px solid var(--apex-border);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.widget-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}

.widget-card {
  border: 1px solid var(--apex-border);
  border-radius: 14px;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
}

.widget-controls {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.widget-controls select {
  flex: 1;
}

.widget-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #E6F0EA;
}

.widget-bar {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  margin-top: 0.35rem;
}

.widget-body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: center;
}

.widget-gauge {
  margin-top: 0.2rem;
}

.widget-spark {
  width: 100%;
  margin-top: 0.2rem;
}

.form-select option {
  background: var(--apex-panel);
  color: var(--apex-text);
}

.form-control,
.form-select {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--apex-border);
  color: var(--apex-text);
  border-radius: 8px;
}

.form-label,
label {
  color: var(--apex-text);
}

.form-control::placeholder,
.form-select::placeholder {
  color: rgba(226, 232, 240, 0.6);
}

.form-control:focus,
.form-select:focus {
  border-color: rgba(52, 214, 160, 0.6);
  box-shadow: 0 0 0 0.2rem rgba(52, 214, 160, 0.15);
  background-color: rgba(255, 255, 255, 0.07);
}

.form-range::-webkit-slider-thumb {
  background: var(--apex-primary);
  border: 1px solid rgba(52, 214, 160, 0.65);
}

.form-range::-webkit-slider-runnable-track {
  background: rgba(255, 255, 255, 0.08);
}

.form-range::-moz-range-thumb {
  background: var(--apex-primary);
  border: 1px solid rgba(52, 214, 160, 0.65);
}

.form-range::-moz-range-track {
  background: rgba(255, 255, 255, 0.08);
}

.form-check-input {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--apex-border);
}

.form-check-input:checked {
  background-color: var(--apex-primary-deep);
  border-color: var(--apex-primary-deep);
}

.form-check-input:focus {
  border-color: rgba(52, 214, 160, 0.6);
  box-shadow: 0 0 0 0.2rem var(--apex-focus-ring);
}

.form-check-label {
  color: var(--apex-text);
}

.form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23e2e8f0' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
}

/* iOS Safari draws its own inset/rounded chrome on search inputs. */
input[type="search"].form-control {
  -webkit-appearance: none;
  appearance: none;
}

input[type="file"].form-control {
  background: rgba(255, 255, 255, 0.04);
  color: #E6F0EA;
  border-color: var(--apex-border);
  color-scheme: dark;
}

/* Keyed on the html attribute (server-rendered + set pre-CSS by the head script),
   not a JS-applied body class, so file buttons are styled on first paint and on
   pages that never load site.js (auth layout). */
html[data-theme="dark"] input[type="file"].form-control::file-selector-button,
html[data-theme="dark"] input[type="file"].form-control::-webkit-file-upload-button {
  background: rgba(13, 16, 14, 0.75) !important;
  color: #E6F0EA !important;
  border: 1px solid var(--apex-border) !important;
  border-radius: 8px;
  cursor: pointer;
}

html[data-theme="dark"] input[type="file"].form-control::file-selector-button:hover,
html[data-theme="dark"] input[type="file"].form-control::-webkit-file-upload-button:hover,
html[data-theme="dark"] input[type="file"].form-control::file-selector-button:focus-visible,
html[data-theme="dark"] input[type="file"].form-control::-webkit-file-upload-button:focus-visible {
  background: rgba(255, 255, 255, 0.14) !important;
  color: #F1F8F4 !important;
  border-color: var(--apex-primary) !important;
}

.modal-content {
  background: var(--apex-card);
  border: 1px solid var(--apex-border);
  box-shadow: var(--apex-shadow);
}

.modal-header,
.modal-footer {
  border-color: var(--apex-border);
}

.btn-close {
  filter: invert(1) grayscale(100%);
}

.alert {
  border-radius: 10px;
  border: 1px solid var(--apex-border);
  background: rgba(255, 255, 255, 0.04);
  color: #F1F8F4;
}

.alert-danger {
  border-color: rgba(248, 113, 113, 0.45);
  background: rgba(248, 113, 113, 0.08);
}

.eyebrow-sm {
  font-family: var(--font-display);
  color: var(--apex-muted);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.feature-card {
  background: var(--apex-card);
  border: 1px solid var(--apex-border);
  border-radius: 12px;
  padding: 1.5rem;
  height: 100%;
  box-shadow: var(--apex-shadow);
  display: flex;
  flex-direction: column;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(52, 214, 160, 0.1);
  border: 1px solid rgba(52, 214, 160, 0.22);
  color: var(--apex-primary);
  font-weight: 700;
}

.feature-card p {
  color: var(--apex-muted);
}

.auth-body {
  min-height: 100vh;
  min-height: 100svh;
  background-color: var(--apex-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.auth-container {
  width: 100%;
  max-width: 460px;
  padding: 2.5rem 1.5rem;
}

.auth-card {
  background: var(--apex-card);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--apex-shadow);
  border: 1px solid var(--apex-border);
  color: var(--apex-text);
}

footer {
  background: transparent;
}

.password-field {
  position: relative;
  display: flex;
  align-items: center;
}

.password-field input {
  padding-right: 2.5rem;
}

.password-field.compact input {
  padding-right: 2rem;
  height: 2.25rem;
}

.toggle-password {
  position: absolute;
  right: 0.5rem;
  background: transparent;
  border: none;
  color: #B9CDBF;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.toggle-password.visible {
  opacity: 1;
}

.toggle-password .icon-eye {
  width: 1.25rem;
  height: 1.25rem;
  display: inline-block;
  position: relative;
}

.toggle-password .icon-eye::before,
.toggle-password .icon-eye::after {
  content: "";
  position: absolute;
  border: 2px solid #E6F0EA;
  border-radius: 999px;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toggle-password .icon-eye::before {
  width: 100%;
  height: 60%;
  top: 20%;
  left: 0;
  border-top-color: transparent;
  border-bottom-color: transparent;
}

.toggle-password .icon-eye::after {
  width: 60%;
  height: 60%;
  top: 20%;
  left: 20%;
  border-radius: 50%;
  background: transparent;
}

.toggle-password.active .icon-eye::after {
  background: #E6F0EA;
}

.toggle-password.active .icon-eye::before {
  opacity: 0.35;
}

.badge-mode {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-mode--direct {
  background: rgba(52, 214, 160, 0.1);
  color: #A7E8CF;
  border: 1px solid rgba(52, 214, 160, 0.3);
}

.badge-mode--remote {
  background: rgba(var(--apex-success-rgb), 0.1);
  color: var(--apex-success-strong);
  border: 1px solid rgba(var(--apex-success-rgb), 0.3);
}

@media (max-width: 768px) {
  .brand-mark {
    width: 26px;
    height: 26px;
  }
}