/* qrcode.css - Scope all styles under .qr-app to prevent side effects on other pages */

.qr-app {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #2d3748;
    max-width: 640px;
    margin: 10px auto 30px auto;
    padding: 0 10px;
}

.qr-app * {
    box-sizing: border-box;
}

/* Header Banner */
.qr-app .qr-header {
    background: linear-gradient(135deg, #6d28d9 0%, #4f46e5 100%);
    color: #ffffff;
    padding: 24px 28px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(109, 40, 217, 0.25);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.qr-app .qr-header-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.02em;
}

.qr-app .qr-header-subtitle {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 4px 0 0 0;
}

/* Main Card */
.qr-app .qr-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid #edf2f7;
    margin-bottom: 20px;
}

.qr-app .qr-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 8px;
}

.qr-app .qr-textarea {
    width: 100%;
    font-size: 1rem;
    padding: 12px 14px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    outline: none;
    resize: vertical;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
}

.qr-app .qr-textarea:focus {
    border-color: #6d28d9;
    box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.15);
}

.qr-app .qr-el-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 14px 0 20px 0;
}

.qr-app .qr-el-item {
    display: none;
}

.qr-app .qr-el-label {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 8px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #4a5568;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.qr-app .qr-el-label span {
    font-weight: 400;
    font-size: 0.7rem;
    color: #94a3b8;
}

.qr-app .qr-el-item:checked + .qr-el-label {
    background: linear-gradient(135deg, #6d28d9 0%, #4f46e5 100%);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(109, 40, 217, 0.25);
}

.qr-app .qr-el-item:checked + .qr-el-label span {
    color: rgba(255, 255, 255, 0.85);
}

.qr-app .qr-btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(135deg, #6d28d9 0%, #4f46e5 100%);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.qr-app .qr-btn-submit:hover {
    box-shadow: 0 6px 16px rgba(109, 40, 217, 0.3);
    transform: translateY(-1px);
}

/* Result */
.qr-app .qr-result-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid #edf2f7;
    margin-bottom: 20px;
    text-align: center;
}

.qr-app .qr-result-title {
    font-size: 1rem;
    font-weight: 700;
    color: #2d3748;
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.qr-app .qr-result-box {
    display: inline-flex;
    padding: 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
}

.qr-app .qr-result-box img {
    display: block;
    width: 260px;
    height: 260px;
    max-width: 100%;
}

.qr-app .qr-result-actions {
    margin-top: 16px;
}

.qr-app .qr-btn-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #4f46e5;
    background: #ede9fe;
    border: 1px solid #ddd6fe;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.qr-app .qr-btn-download:hover {
    background: #ddd6fe;
    color: #4338ca;
}

.qr-app .qr-empty-box {
    padding: 48px 16px;
    color: #94a3b8;
    font-size: 0.9rem;
}

.qr-app .qr-note {
    font-size: 0.775rem;
    color: #94a3b8;
    margin-top: 14px;
}

/* Related Tools Card */
.qr-app .qr-related-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 20px 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    border: 1px solid #edf2f7;
}

.qr-app .qr-related-title {
    font-size: 1rem;
    font-weight: 700;
    color: #2d3748;
    margin: 0 0 14px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.qr-app .qr-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.qr-app .qr-related-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    color: #4a5568;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.qr-app .qr-related-item:hover {
    border-color: #6d28d9;
    color: #6d28d9;
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(109, 40, 217, 0.1);
}