/* ── TOKENS ── */
    :root {
      --red:        #E8281A;
      --red-dim:    #9B1A10;
      --red-glow:   rgba(232, 40, 26, 0.15);
      --red-border: rgba(232, 40, 26, 0.2);
      --red-border-strong: rgba(232, 40, 26, 0.4);
      --darker:  #060606;
      --dark:    #0A0A0A;
      --charcoal:#1A1A1A;
      --card:    #111111;
      --card2:   #0E0E0E;
      --off-white: #E8E4DC;
      --muted:   rgba(232, 228, 220, 0.45);
      --futura: 'Rajdhani', 'Futura', 'Century Gothic', sans-serif;
    }

    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }

    body {
      background: var(--darker);
      color: var(--off-white);
      font-family: var(--futura);
      font-weight: 400;
      overflow-x: hidden;
      cursor: crosshair;
      min-height: 100vh;
    }

    /* ── NOISE OVERLAY ── */
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 9999;
      opacity: 0.4;
    }

    /* ── NAV ── */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 48px;
      background: rgba(6, 6, 6, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--red-border);
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 14px;
      text-decoration: none;
    }

    .nav-logo img {
      height: 38px;
      width: auto;
      display: block;
    }

    .nav-logo-text {
      font-family: var(--futura);
      font-weight: 700;
      font-size: 12px;
      letter-spacing: 0.35em;
      color: var(--off-white);
      text-transform: uppercase;
    }

    .nav-right {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .nav-link {
      font-family: var(--futura);
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.25em;
      text-transform: uppercase;
      color: var(--muted);
      text-decoration: none;
      transition: color 0.2s;
    }
    .nav-link:hover { color: var(--off-white); }

    .nav-badge {
      font-family: var(--futura);
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--red);
      border: 1px solid var(--red-border-strong);
      padding: 6px 16px;
      text-decoration: none;
      transition: all 0.2s;
    }
    .nav-badge:hover {
      background: var(--red);
      color: #fff;
    }

    /* ── PAGE WRAP ── */
    .wrap {
      max-width: 1160px;
      margin: 0 auto;
      padding: 112px 40px 60px;
    }

    /* ── HERO HEADER ── */
    .page-header {
      margin-bottom: 48px;
    }

    .eyebrow {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 20px;
    }

    .eyebrow-line {
      width: 32px;
      height: 1px;
      background: var(--red);
    }

    .eyebrow-text {
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.4em;
      text-transform: uppercase;
      color: var(--red);
    }

    .page-title {
      font-family: var(--futura);
      font-size: clamp(40px, 6vw, 72px);
      font-weight: 700;
      line-height: 0.95;
      letter-spacing: -0.01em;
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .page-title span { color: var(--red); }

    .page-subtitle {
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      color: var(--muted);
    }

    /* ── GRID ── */
    .columns {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      align-items: start;
    }

    .col {
      display: grid;
      gap: 20px;
      align-content: start;
    }

    /* ── PANELS / CARDS ── */
    .panel {
      background: var(--card);
      border: 1px solid var(--red-border);
      padding: 28px;
      position: relative;
      overflow: hidden;
    }

    .panel::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 1px;
      background: linear-gradient(90deg, var(--red) 0%, transparent 60%);
    }

    .card {
      background: var(--card2);
      border: 1px solid rgba(255, 255, 255, 0.05);
      padding: 24px;
      position: relative;
    }

    .card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 1px;
      background: linear-gradient(90deg, var(--red-border-strong) 0%, transparent 50%);
    }

    /* ── BADGE ── */
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--red-glow);
      border: 1px solid var(--red-border-strong);
      color: var(--red);
      padding: 5px 12px;
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      margin-bottom: 16px;
    }

    .badge-dot {
      width: 5px;
      height: 5px;
      background: var(--red);
      border-radius: 50%;
    }

    /* ── TYPOGRAPHY ── */
    .panel-title {
      font-family: var(--futura);
      font-size: 22px;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      margin-bottom: 8px;
      color: var(--off-white);
    }

    .panel-lead {
      font-size: 14px;
      font-weight: 400;
      line-height: 1.65;
      color: var(--muted);
      margin-bottom: 24px;
      letter-spacing: 0.02em;
    }

    .panel-lead b {
      color: var(--off-white);
      font-weight: 600;
    }

    .section-label {
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.35em;
      text-transform: uppercase;
      color: var(--muted);
      margin-bottom: 8px;
    }

    .card-title {
      font-family: var(--futura);
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--off-white);
      margin-bottom: 16px;
    }

    /* ── BUTTONS ── */
    .btn {
      appearance: none;
      font-family: var(--futura);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.25em;
      text-transform: uppercase;
      cursor: pointer;
      border: none;
      padding: 14px 28px;
      transition: all 0.2s;
    }

    .btn-primary {
      background: var(--red);
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .btn-primary::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(255, 255, 255, 0.12);
      transform: translateX(-100%);
      transition: transform 0.3s;
    }
    .btn-primary:hover::before { transform: translateX(0); }
    .btn-primary:disabled { opacity: 0.35; cursor: not-allowed; }
    .btn-primary:disabled::before { display: none; }

    .btn-ghost {
      background: transparent;
      color: var(--muted);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .btn-ghost:hover { color: var(--off-white); border-color: rgba(255, 255, 255, 0.2); }
    .btn-ghost:disabled { opacity: 0.3; cursor: not-allowed; }

    .btn-tiny {
      padding: 7px 14px;
      font-size: 10px;
    }

    /* ── ROW ── */
    .row {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    /* ── ENV STATUS ── */
    .env-status {
      margin-top: 16px;
      padding: 10px 14px;
      border: 1px solid rgba(255, 255, 255, 0.06);
      background: rgba(255, 255, 255, 0.02);
      font-size: 12px;
      letter-spacing: 0.05em;
      color: var(--muted);
    }

    #deviceInfo {
      font-size: 12px;
      font-weight: 500;
      letter-spacing: 0.1em;
      color: var(--muted);
    }

    /* ── SELECTS ── */
    select {
      background: var(--dark);
      border: 1px solid var(--red-border);
      color: var(--off-white);
      font-family: var(--futura);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 9px 12px;
      cursor: pointer;
      appearance: none;
      -webkit-appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23E8281A'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 10px center;
      padding-right: 28px;
    }

    select:focus { outline: 1px solid var(--red); }

    /* ── FILE INPUT ── */
    input[type="file"] {
      background: var(--dark);
      border: 1px solid var(--red-border);
      color: var(--off-white);
      font-family: var(--futura);
      font-size: 11px;
      letter-spacing: 0.05em;
      padding: 8px 12px;
      cursor: pointer;
    }

    input[type="file"]::-webkit-file-upload-button {
      background: var(--charcoal);
      color: var(--off-white);
      border: none;
      font-family: var(--futura);
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      padding: 6px 14px;
      cursor: pointer;
      margin-right: 10px;
    }

    /* ── RELEASE NOTES ── */
    details {
      background: rgba(232, 40, 26, 0.03);
      border: 1px solid var(--red-border);
      padding: 14px 16px;
      margin-top: 14px;
    }

    details summary {
      cursor: pointer;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.25em;
      text-transform: uppercase;
      color: var(--red);
      list-style: none;
    }
    details summary::-webkit-details-marker { display: none; }
    details summary::before {
      content: '+ ';
      color: var(--red);
    }
    details[open] summary::before { content: '− '; }

    ul#notes {
      margin: 12px 0 0 0;
      padding-left: 16px;
    }

    ul#notes li {
      font-size: 13px;
      font-weight: 400;
      line-height: 1.7;
      letter-spacing: 0.03em;
      color: var(--muted);
      margin-bottom: 4px;
    }

    /* ── SEPARATOR ── */
    .sep {
      border: none;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      margin: 20px 0;
    }

    /* ── CONSOLE ── */
    .console-wrap {
      background: var(--card);
      border: 1px solid var(--red-border);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .console-wrap::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 1px;
      background: linear-gradient(90deg, var(--red) 0%, transparent 60%);
    }

    .console-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .console-title {
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.4em;
      text-transform: uppercase;
      color: var(--red);
    }

    pre#log {
      margin: 0;
      padding: 16px 20px;
      background: #030303;
      font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
      font-size: 12px;
      line-height: 1.6;
      color: rgba(232, 228, 220, 0.7);
      white-space: pre-wrap;
      word-break: break-word;
      min-height: 200px;
      max-height: 340px;
      overflow-y: auto;
    }

    pre#log::-webkit-scrollbar { width: 4px; }
    pre#log::-webkit-scrollbar-track { background: transparent; }
    pre#log::-webkit-scrollbar-thumb { background: var(--red-dim); }

    /* ── PROGRESS ── */
    #progressText {
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.15em;
      color: var(--muted);
    }

    /* ── HOW-TO & TROUBLESHOOT ── */
    .card ol, .card ul {
      margin: 0;
      padding-left: 18px;
    }

    .card li {
      font-size: 13px;
      font-weight: 400;
      line-height: 1.7;
      letter-spacing: 0.03em;
      color: var(--muted);
      margin-bottom: 6px;
    }

    .card li b {
      color: var(--off-white);
      font-weight: 600;
    }

    /* ── DIVIDER LINE ── */
    .divider {
      display: flex;
      align-items: center;
      gap: 12px;
      margin: 16px 0;
    }

    .divider-line {
      flex: 1;
      height: 1px;
      background: rgba(255, 255, 255, 0.05);
    }

    .divider-text {
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      color: var(--muted);
    }

    /* ── FOOTER ── */
    footer {
      margin-top: 48px;
      padding-top: 24px;
      border-top: 1px solid var(--red-border);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    footer p {
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--muted);
    }

    footer a {
      color: var(--red);
      text-decoration: none;
    }

    footer a:hover { color: var(--off-white); }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      nav { padding: 16px 20px; }
      .wrap { padding: 96px 20px 48px; }
      .columns { grid-template-columns: 1fr; }
    }

    @media (max-width: 560px) {
      .nav-right .nav-link { display: none; }
    }