/* Firmware uploader (single-button wizard) styles. */
.uploader-wrap {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 24px;
  flex: 1 1 auto;
}

.uploader-header { margin-bottom: 20px; }
.uploader-header h1 { margin: 0 0 4px; font-size: 26px; }
.uploader-header .subtitle { color: var(--text-dim); margin: 0; }

.flash-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

/* flow steps */
.flash-flow {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
}

.flow-item { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }

.flow-dot {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid var(--border);
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 12px;
  background: var(--bg-input);
  flex: 0 0 auto;
}

.flow-item .flow-label { font-weight: 600; color: var(--text-dim); font-size: 13px; }

.flow-item.active .flow-dot { border-color: var(--accent); background: var(--accent); color: #0b1220; }
.flow-item.active .flow-label { color: var(--text); }
.flow-item.done .flow-dot { border-color: var(--ok); background: var(--ok); color: #0b1220; }
.flow-item.done .flow-label { color: var(--ok); }

.flow-connector { flex: 1 1 auto; height: 2px; background: var(--border); min-width: 20px; }
.flow-item.done + .flow-connector { background: var(--ok); }

/* board selector */
.board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.board-option {
  display: block;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}

.board-option:hover { border-color: var(--hover-border); }
.board-option.selected { border-color: var(--accent); background: var(--row-selected); }

.board-option input { display: none; }

.board-option .board-name { font-weight: 700; display: block; margin-bottom: 4px; }
.board-option .board-desc { font-size: 12px; color: var(--text-dim); }

/* firmware source */
.firmware-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.firmware-row .hint { font-size: 12px; color: var(--text-dim); margin-top: 6px; }

/* flash area */
.flash-area { margin-top: 8px; }

.flash-status {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  min-height: 40px;
  margin-bottom: 4px;
}

.flash-status .status-text { font-size: 15px; font-weight: 600; }
.flash-status .status-text.err { color: var(--danger); }
.flash-status .status-text.ok { color: var(--ok); }

.spinner {
  width: 18px;
  height: 18px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex: 0 0 auto;
}

@keyframes spin { to { transform: rotate(360deg); } }

.open-obi-btn {
  display: block;
  text-align: center;
  background: var(--ok);
  border: 1px solid var(--ok);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  padding: 13px 26px;
  border-radius: var(--radius);
  text-decoration: none;
  margin-top: 16px;
}

.open-obi-btn:hover { background: var(--ok); filter: brightness(1.1); }
.open-obi-btn[hidden] { display: none; }

/* details / log */
.advanced {
  margin-top: 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.advanced > summary {
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  user-select: none;
}

.advanced > summary:hover { color: var(--text); }

.advanced .advanced-body { margin-top: 12px; }

.requirements-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
}

.requirements-note a { color: var(--accent); }

/* ============================================================
   Aurora / glass UI layer: firmware uploader (ui-flashy branch).
   ============================================================ */
.flash-card {
  background: linear-gradient(var(--glass-strong), var(--glass-strong)) padding-box,
    var(--grad-soft) border-box;
  border: 1px solid transparent;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 18px 50px -28px var(--glow-1);
}

.flow-connector { background: color-mix(in srgb, var(--border) 85%, transparent); }

.flow-item.active .flow-dot {
  background: var(--grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 14px var(--glow-1);
  animation: dot-pulse 2.4s ease-in-out infinite;
}

.flow-item.done .flow-dot {
  background: linear-gradient(120deg, var(--ok), #34d399);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 14px color-mix(in srgb, var(--ok) 55%, transparent);
}

.flow-item.done + .flow-connector {
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
}

.board-option {
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-color: color-mix(in srgb, var(--border) 80%, transparent);
  transition: transform 0.25s var(--ease-out), border-color 0.25s ease,
    box-shadow 0.3s ease, background 0.25s ease;
}

.board-option:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent-2) 55%, transparent);
}

.board-option.selected {
  border-color: transparent;
  background: linear-gradient(
      color-mix(in srgb, var(--row-selected) 70%, transparent),
      color-mix(in srgb, var(--row-selected) 70%, transparent)) padding-box,
    var(--grad-soft) border-box;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent-2) 40%, transparent),
    0 10px 26px -16px var(--glow-1);
}

.spinner {
  border-color: color-mix(in srgb, var(--border) 55%, transparent);
  border-top-color: var(--accent-2);
  box-shadow: 0 0 10px var(--glow-1);
}

.open-obi-btn {
  background: linear-gradient(120deg, var(--ok), #2dd4bf);
  border: none;
  box-shadow: 0 10px 26px -12px color-mix(in srgb, var(--ok) 60%, transparent);
  transition: transform 0.2s var(--ease-out), box-shadow 0.3s ease;
}

.open-obi-btn:hover {
  background: linear-gradient(120deg, #34d399, #2dd4bf);
  filter: none;
  transform: translateY(-1px);
  box-shadow: 0 14px 32px -14px color-mix(in srgb, var(--ok) 70%, transparent);
}

.advanced {
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-color: color-mix(in srgb, var(--border) 80%, transparent);
}

@keyframes dot-pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--glow-1); }
  50% { box-shadow: 0 0 0 7px transparent; }
}