.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Shared layout for zpl-editor, zpl-formatter, zpl-ocr */
.zpl-tools-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 12px 40px;
}
.zpl-tools-hero {
    text-align: center;
    margin-bottom: 28px;
    padding: 28px 20px;
    background: linear-gradient(145deg, #f0f7ff 0%, #e8f4fc 50%, #f5f9fc 100%);
    border-radius: 14px;
    border: 1px solid rgba(52, 152, 219, 0.2);
    box-shadow: 0 8px 24px rgba(44, 62, 80, 0.08);
}
.zpl-tools-hero h1 {
    color: #2c3e50;
    font-size: 2.2em;
    margin: 0 0 14px;
    font-weight: 700;
    letter-spacing: -0.02em;
}
.zpl-tools-hero .zpl-tools-lead {
    color: #455a64;
    font-size: 1.08em;
    line-height: 1.75;
    max-width: 920px;
    margin: 0 auto;
}
.zpl-tools-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
    border: 1px solid #e8ecef;
    overflow: hidden;
    margin-bottom: 28px;
}
.zpl-tools-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    align-items: center;
    padding: 16px;
    background: linear-gradient(180deg, #f8fafb, #f1f4f6);
    border-top: 1px solid #e8ecef;
}
.zpl-tools-toolbar button,
.zpl-tools-toolbar .zpl-btn {
    min-width: 140px;
    padding: 10px 18px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.zpl-tools-toolbar button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.25);
}
.zpl-tools-btn-primary {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: #fff;
}
.zpl-tools-btn-secondary {
    background: #fff;
    color: #2c3e50;
    border: 1px solid #cfd8dc !important;
}
.zpl-tools-section {
    background: #fff;
    padding: 28px 24px;
    margin: 24px 0;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}
.zpl-tools-section h2 {
    position: relative;
    padding-left: 14px;
    color: #2c3e50;
    font-size: 1.45em;
    margin: 0 0 20px;
}
.zpl-tools-section h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 22px;
    background: linear-gradient(180deg, #3498db, #5dade2);
    border-radius: 2px;
}
.zpl-tools-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 8px;
}
.zpl-tools-step {
    flex: 1;
    min-width: 240px;
    padding: 18px;
    background: linear-gradient(180deg, #f8fafc, #f1f5f9);
    border-radius: 10px;
    border-top: 4px solid #3498db;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.zpl-tools-step strong {
    display: block;
    color: #2c3e50;
    margin-bottom: 8px;
    font-size: 1.05em;
}
.zpl-tools-step p {
    margin: 0;
    color: #546e7a;
    line-height: 1.65;
    font-size: 0.95em;
}
.zpl-tools-faq .faq {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background: #f8fafb;
    margin-bottom: 8px;
    border-radius: 8px;
    cursor: pointer;
    border-left: 4px solid #3498db;
}
.zpl-tools-faq .question { font-weight: 600; color: #2c3e50; flex: 1; }
.zpl-tools-faq .answer {
    display: none;
    padding: 14px 16px;
    background: #fff;
    margin-bottom: 12px;
    border-radius: 8px;
    color: #546e7a;
    line-height: 1.7;
    border-left: 4px solid #e0e0e0;
}
.zpl-tools-faq .faq.open + .answer { display: block; }
.zpl-tools-faq .icon { color: #3498db; font-size: 12px; }
.zpl-tools-faq .faq.open .icon { transform: rotate(180deg); }
@media (max-width: 768px) {
    .zpl-tools-hero h1 { font-size: 1.65em; }
}