/* Local styles for QR generator, extending the global index.css */
.back-btn {
    display: inline-block;
    background: var(--card-bg);
    border: 2px solid var(--rosa-claro);
    color: var(--texto);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: bold;
    margin-top: 1rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: var(--azul-hover);
    transform: translateX(-5px);
}

.tool-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 24px;
    border: 2px solid var(--rosa-claro);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
    text-align: center;
}

.input-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

#qr-input {
    flex: 1;
    padding: 0.8rem 1rem;
    border: 2px solid var(--rosa);
    border-radius: 12px;
    background: transparent;
    color: var(--texto);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
}

#qr-input:focus {
    border-color: var(--azul-pastel);
}

#generate-btn {
    background: var(--rosa);
    color: var(--texto);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

#generate-btn:hover {
    background: var(--azul-hover);
    transform: scale(1.05);
}

#qrcode-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 250px;
    background: rgba(255, 255, 255, 0.5); /* Keep QR background light for contrast */
    border-radius: 16px;
    padding: 2rem;
    border: 2px dashed var(--rosa-claro);
}

[data-theme="dark"] #qrcode-container {
    background: rgba(255, 255, 255, 0.9); /* Force light background in dark mode for scanner readability */
}