.serial-tool-page .serial-tool-container {
    max-width: 1100px;
}

.serial-status-panel,
.serial-panel {
    background: #202020;
    border: 1px solid #333;
    border-radius: 10px;
    padding: 18px;
    margin-top: 18px;
}

.serial-status-row,
.serial-toolbar,
.serial-grid {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.serial-toolbar-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.serial-toolbar-row-upload {
    flex-basis: 100%;
}

.serial-status-row > div {
    flex: 1 1 220px;
}

.serial-label,
.serial-command-meta {
    color: #9ca3af;
    font-size: 13px;
}

.serial-mono,
.serial-log {
    font-family: 'Monaco', 'Courier New', monospace;
}

.serial-status-pill {
    display: inline-flex;
    padding: 6px 12px;
    border-radius: 999px;
    font-weight: 700;
    margin-top: 6px;
    background: #334155;
    color: #e2e8f0;
}

.serial-status-connecting { background: #92400e; }
.serial-status-connected { background: #166534; }
.serial-status-idle { background: #334155; }

.serial-banner-info { background: #1f2937; color: #dbeafe; border-color: #374151; }
.serial-banner-error { background: #3f1d1d; color: #fecaca; border-color: #7f1d1d; }

.serial-toolbar button,
.serial-command-button,
.secondary-button {
    width: auto;
}

.secondary-button {
    background: #334155 !important;
    box-shadow: none !important;
}

.serial-profile-file {
    width: auto;
    max-width: 280px;
    padding: 7px;
    border: 1px solid #374151;
    border-radius: 8px;
    background: #0b1220;
    color: #d1d5db;
}

.serial-upload-help {
    margin-top: 10px;
}

.serial-grid > .serial-panel {
    flex: 1 1 320px;
    min-width: 300px;
}

.serial-command-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.serial-command-card {
    padding: 14px;
    border: 1px solid #374151;
    border-radius: 8px;
    background: #111827;
}

.serial-command-title {
    font-weight: 700;
    margin-bottom: 6px;
}

.serial-command-description {
    color: #cbd5e1;
    font-size: 14px;
    margin-bottom: 6px;
}

.serial-command-button {
    margin-top: 10px;
    background: #2563eb;
}

.serial-empty-state {
    padding: 16px;
    border: 1px dashed #4b5563;
    border-radius: 8px;
    color: #9ca3af;
}

.serial-log {
    min-height: 320px;
    max-height: 520px;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-word;
    background: #0b1220;
    border: 1px solid #243045;
    border-radius: 8px;
    padding: 12px;
}

.serial-log-line {
    margin-bottom: 6px;
}

.serial-log-time {
    color: #93c5fd;
}

.serial-log-info { color: #cbd5e1; }
.serial-log-success { color: #86efac; }
.serial-log-outgoing { color: #fbbf24; }
.serial-log-incoming { color: #93c5fd; }
.serial-log-error { color: #fca5a5; }

.serial-notes-list {
    padding-left: 20px;
    color: #d1d5db;
}